SEC Form SC 13G/A filed by Tenable Holdings Inc. (Amendment)

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SC 13G/A 1 i50528694a.htm SCHEDULE 13G/A, AMENDMENT #3

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

(Rule 13d-102)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b),

(c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2

(Amendment No. 3 – Exit Filing)*

TENABLE HOLDINGS, INC.

(Name of Issuer)

COMMON STOCK, $0.01 PAR VALUE PER SHARE

(Title of Class of Securities)

88025T102

(CUSIP Number)

December 31, 2021

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

☐ Rule 13d-1(b)

☐ Rule 13d-1(c)

⌧ Rule 13d-1(d)

*	The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

CUSIP No. 88025T102				13G	Page 1 of 22 Pages

1.	NAMES OF REPORTING PERSONS Insight Venture Partners IX, L.P.
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☐
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5.	SOLE VOTING POWER 0
		6.	SHARED VOTING POWER 0
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER 0
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ☐
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12.	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) PN

(1)	Calculations are based upon 107,444,768 shares of Common Stock of the Issuer outstanding as of October 28, 2021, as set forth in the Form 10-Q of the Issuer filed with the U.S. Securities and Exchange Commission on November 3, 2021.

CUSIP No. 88025T102				13G	Page 2 of 22 Pages

1.	NAMES OF REPORTING PERSONS Insight Venture Partners (Cayman) IX, L.P.
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☐
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5.	SOLE VOTING POWER 0
		6.	SHARED VOTING POWER 0
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER 0
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ☐
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12.	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) PN

(1)	Calculations are based upon 107,444,768 shares of Common Stock of the Issuer outstanding as of October 28, 2021, as set forth in the Form 10-Q of the Issuer filed with the U.S. Securities and Exchange Commission on November 3, 2021.

CUSIP No. 88025T102				13G	Page 3 of 22 Pages

1.	NAMES OF REPORTING PERSONS Insight Venture Partners (Delaware) IX, L.P.
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☐
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5.	SOLE VOTING POWER 0
		6.	SHARED VOTING POWER 0
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER 0
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ☐
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12.	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) PN

(1)	Calculations are based upon 107,444,768 shares of Common Stock of the Issuer outstanding as of October 28, 2021, as set forth in the Form 10-Q of the Issuer filed with the U.S. Securities and Exchange Commission on November 3, 2021.

CUSIP No. 88025T102				13G	Page 4 of 22 Pages

1.	NAMES OF REPORTING PERSONS Insight Venture Partners IX (Co-Investors), L.P.
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☐
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5.	SOLE VOTING POWER 0
		6.	SHARED VOTING POWER 0
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER 0
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ☐
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12.	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) PN

(1)	Calculations are based upon 107,444,768 shares of Common Stock of the Issuer outstanding as of October 28, 2021, as set forth in the Form 10-Q of the Issuer filed with the U.S. Securities and Exchange Commission on November 3, 2021.

CUSIP No. 88025T102				13G	Page 5 of 22 Pages

1.	NAMES OF REPORTING PERSONS Insight Venture Associates IX, L.P.
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☐
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5.	SOLE VOTING POWER 0
		6.	SHARED VOTING POWER 0
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER 0
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ☐
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12.	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) PN

(1)	Calculations are based upon 107,444,768 shares of Common Stock of the Issuer outstanding as of October 28, 2021, as set forth in the Form 10-Q of the Issuer filed with the U.S. Securities and Exchange Commission on November 3, 2021.

CUSIP No. 88025T102				13G	Page 6 of 22 Pages

1.	NAMES OF REPORTING PERSONS Insight Venture Associates IX, Ltd.
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☐
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5.	SOLE VOTING POWER 0
		6.	SHARED VOTING POWER 0
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER 0
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ☐
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12.	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) CO

(1)	Calculations are based upon 107,444,768 shares of Common Stock of the Issuer outstanding as of October 28, 2021, as set forth in the Form 10-Q of the Issuer filed with the U.S. Securities and Exchange Commission on November 3, 2021.

CUSIP No. 88025T102				13G	Page 7 of 22 Pages

1.	NAMES OF REPORTING PERSONS Insight Venture Partners Growth-Buyout Coinvestment Fund, L.P.
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☐
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5.	SOLE VOTING POWER 0
		6.	SHARED VOTING POWER 0
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER 0
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ☐
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12.	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) PN

(1)	Calculations are based upon 107,444,768 shares of Common Stock of the Issuer outstanding as of October 28, 2021, as set forth in the Form 10-Q of the Issuer filed with the U.S. Securities and Exchange Commission on November 3, 2021.

CUSIP No. 88025T102				13G	Page 8 of 22 Pages

1.	NAMES OF REPORTING PERSONS Insight Venture Partners Growth-Buyout Coinvestment Fund (Cayman), L.P.
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☐
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5.	SOLE VOTING POWER 0
		6.	SHARED VOTING POWER 0
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER 0
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ☐
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12.	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) PN

(1)	Calculations are based upon 107,444,768 shares of Common Stock of the Issuer outstanding as of October 28, 2021, as set forth in the Form 10-Q of the Issuer filed with the U.S. Securities and Exchange Commission on November 3, 2021.

CUSIP No. 88025T102				13G	Page 9 of 22 Pages

1.	NAMES OF REPORTING PERSONS Insight Venture Partners Growth-Buyout Coinvestment Fund (Delaware), L.P.
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☐
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5.	SOLE VOTING POWER 0
		6.	SHARED VOTING POWER 0
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER 0
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ☐
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12.	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) PN

(1)	Calculations are based upon 107,444,768 shares of Common Stock of the Issuer outstanding as of October 28, 2021, as set forth in the Form 10-Q of the Issuer filed with the U.S. Securities and Exchange Commission on November 3, 2021.

CUSIP No. 88025T102				13G	Page 10 of 22 Pages

1.	NAMES OF REPORTING PERSONS Insight Venture Partners Growth-Buyout Coinvestment Fund (B), L.P.
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☐
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5.	SOLE VOTING POWER 0
		6.	SHARED VOTING POWER 0
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER 0
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ☐
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12.	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) PN

(1)	Calculations are based upon 107,444,768 shares of Common Stock of the Issuer outstanding as of October 28, 2021, as set forth in the Form 10-Q of the Issuer filed with the U.S. Securities and Exchange Commission on November 3, 2021.

CUSIP No. 88025T102				13G	Page 11 of 22 Pages

1.	NAMES OF REPORTING PERSONS Insight Venture Associates Growth-Buyout Coinvestment, L.P.
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☐
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5.	SOLE VOTING POWER 0
		6.	SHARED VOTING POWER 0
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER 0
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ☐
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12.	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) PN

(1)	Calculations are based upon 107,444,768 shares of Common Stock of the Issuer outstanding as of October 28, 2021, as set forth in the Form 10-Q of the Issuer filed with the U.S. Securities and Exchange Commission on November 3, 2021.

CUSIP No. 88025T102				13G	Page 12 of 22 Pages

1.	NAMES OF REPORTING PERSONS Insight Venture Associates Growth-Buyout Coinvestment Ltd.
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☐
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5.	SOLE VOTING POWER 0
		6.	SHARED VOTING POWER 0
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER 0
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ☐
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12.	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) CO

(1)	Calculations are based upon 107,444,768 shares of Common Stock of the Issuer outstanding as of October 28, 2021, as set forth in the Form 10-Q of the Issuer filed with the U.S. Securities and Exchange Commission on November 3, 2021.

CUSIP No. 88025T102				13G	Page 13 of 22 Pages

1.	NAMES OF REPORTING PERSONS Insight Holdings Group, LLC
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☐
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5.	SOLE VOTING POWER 0
		6.	SHARED VOTING POWER 0
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER 0
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ☐
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12.	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) OO

(1)	Calculations are based upon 107,444,768 shares of Common Stock of the Issuer outstanding as of October 28, 2021, as set forth in the Form 10-Q of the Issuer filed with the U.S. Securities and Exchange Commission on November 3, 2021.

Item 1(a).

Name of Issuer:

Tenable Holdings, Inc. (the “Issuer”)

Item 1(b).

Address of Issuer’s Principal Executive Offices:

6100 Merriweather Drive, Columbia, Maryland, 21044

Item 2(a).

Name of Person Filing:

This Statement is being filed by the following persons (each a “Reporting Person” and, collectively, the “Reporting Persons”): (i) Insight Venture Partners IX, L.P., a Cayman Islands exempted limited partnership (“IVP IX”), (ii) Insight Venture Partners (Cayman) IX, L.P., a Cayman Islands exempted limited partnership (“IVP Cayman IX”), (iii) Insight Venture Partners (Delaware) IX, L.P., a Delaware limited partnership (“IVP Delaware IX”), (iv) Insight Venture Partners IX (Co-Investors), L.P., a Cayman Islands exempted limited partnership (“IVP Co-Investors IX” and, together with IVP IX, IVP Cayman IX and IVP Delaware IX, the “IVP IX Funds”), (v) Insight Venture Associates IX, L.P., a Cayman Islands exempted limited partnership (“IVA IX”), (vi) Insight Venture Associates IX, Ltd., a Cayman Islands exempted company (“IVA IX Ltd”), (vii) Insight Venture Partners Growth-Buyout Coinvestment Fund, L.P., a Cayman Islands exempted limited partnership (“IVP Coinvestment”), (viii) Insight Venture Partners Growth-Buyout Coinvestment Fund (Cayman), L.P., a Cayman Islands exempted limited partnership (“IVP Coinvestment (Cayman)”), (ix) Insight Venture Partners Growth-Buyout Coinvestment Fund (Delaware), L.P., a Delaware limited partnership (“IVP Coinvestment (Delaware)”), (x) Insight Venture Partners Growth-Buyout Coinvestment Fund (B), L.P., a Cayman Islands exempted limited partnership (“IVP Coinvestment (B)” and, together with IVP Coinvestment, IVP Coinvestment (Cayman) and IVP Coinvestment (Delaware), the “IVP Coinvestment Funds”), (xi) Insight Venture Associates Growth-Buyout Coinvestment, L.P., a Cayman Islands exempted limited partnership (“IVA Coinvestment”), (xii) Insight Venture Associates Growth-Buyout Coinvestment Ltd., a Cayman Islands exempted company (“IVA Coinvestment Ltd”) and (xiii) Insight Holdings Group, LLC, a Delaware limited liability company (“Holdings”).

The general partner of each of the IVP IX Funds is IVA IX, whose general partner is IVA IX Ltd. The general partner of each of the IVP Coinvestment Funds is IVA Coinvestment, whose general partner is IVA Coinvestment Ltd. The sole shareholder of IVA IX Ltd and IVA Coinvestment Ltd is Holdings.

Item 2(b).

Address of Principal Business Office or, if None, Residence:

The address of the principal business and principal office of each of the Reporting Persons is c/o Insight Partners, 1114 Avenue of the Americas, 36th Floor, New York, New York 10036.

Item 2(c).

Citizenship:

See Item 2(a).

Item 2(d).

Title of Class of Securities:

Common Stock, par value $0.01 per share (“Common Stock”)

Item 2(e).

CUSIP Number:

88025T102

Item 3.

If this statement is filed pursuant to Rule 13d-1(b) or Rule 13d-2(b) or (c), check whether the person filing is a:

(a)		☐	Broker or dealer registered under Section 15 of the Exchange Act.
(b)		☐	Bank as defined in Section 3(a)(6) of the Exchange Act.
(c)		☐	Insurance company as defined in Section 3(a)(19) of the Exchange Act.
(d)		☐	Investment company registered under Section 8 of the Investment Company Act.
(e)		☐	An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);
	(f)	☐	An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F);
(g)		☐	A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G);
(h)		☐	A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act;
	(i)	☐	A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act;
	(j)	☐	Group, in accordance with Rule 13d-1(b)(1)(ii)(J).

Not applicable.

Item 4.

Ownership.

The information required by Items 4(a)-(c) is set forth in Rows 5-11 of the cover pages hereto for each Reporting Person and is incorporated herein by reference for each such Reporting Person.

Item 5.

Ownership of Five Percent or Less of a Class.

If this statement is being filed to report the fact that as of the date hereof each of the Reporting Persons have ceased to be the beneficial owner of more than five percent of the class of securities, check the following ☒

Item 6.

Ownership of More than Five Percent on Behalf of Another Person.

Not applicable.

Item 7.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company.

Not applicable.

Item 8.

Identification and Classification of Members of the Group.

The Reporting Persons are making this single, joint filing because they may be deemed to constitute a “group” within the meaning of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). The agreement among the Reporting Persons to file jointly in accordance with Rule 13d-1(k) of the Exchange Act is attached hereto as Exhibit 99.1. The Reporting Persons disclaim membership in a group and this report shall not be deemed an admission by any of the Reporting Persons that they are or may be members of a “group” for purposes of Rule 13d-5 or for any other purpose.

Item 9.

Notice of Dissolution of Group.

Not applicable.

Item 10.

Certification.

Not applicable.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

	INSIGHT HOLDINGS GROUP, LLC


	By:	/s/ Andrew Prodromos
	Name:	Andrew Prodromos
	Title:	Attorney-in-Fact



	INSIGHT VENTURE PARTNERS IX, L.P.
	By:	Insight Venture Associates IX, L.P., its general partner
	By:	Insight Venture Associates IX, Ltd., its general partner


	By:	/s/ Andrew Prodromos
	Name:	Andrew Prodromos
	Title:	Authorized Officer



	INSIGHT VENTURE PARTNERS (CAYMAN) IX, L.P.
	By:	Insight Venture Associates IX, L.P., its general partner
	By:	Insight Venture Associates IX, Ltd., its general partner


	By:	/s/ Andrew Prodromos
	Name:	Andrew Prodromos
	Title:	Authorized Officer



	INSIGHT VENTURE PARTNERS (DELAWARE) IX, L.P.
	By:	Insight Venture Associates IX, L.P., its general partner
	By:	Insight Venture Associates IX, Ltd., its general partner


	By:	/s/ Andrew Prodromos
	Name:	Andrew Prodromos
	Title:	Authorized Officer



	INSIGHT VENTURE PARTNERS IX (CO-INVESTORS), L.P.
	By:	Insight Venture Associates IX, L.P., its general partner
	By:	Insight Venture Associates IX, Ltd., its general partne


	By:	/s/ Andrew Prodromos
	Name:	Andrew Prodromos
	Title:	Authorized Officer

[Signature Page to Schedule 13G]

	INSIGHT VENTURE ASSOCIATES IX, L.P.
	By:	Insight Venture Associates IX, Ltd., its general partner


	By:	/s/ Andrew Prodromos
	Name:	Andrew Prodromos
	Title:	Authorized Officer



	INSIGHT VENTURE ASSOCIATES IX, LTD.


	By:	/s/ Andrew Prodromos
	Name:	Andrew Prodromos
	Title:	Authorized Officer



	INSIGHT VENTURE PARTNERS GROWTH-BUYOUT COINVESTMENT FUND, L.P.
	By:	Insight Venture Associates Growth-Buyout Coinvestment, L.P., its general partner
	By:	Insight Venture Associates Growth-Buyout Coinvestment, Ltd., its general partner


	By:	/s/ Andrew Prodromos
	Name:	Andrew Prodromos
	Title:	Authorized Officer



	INSIGHT VENTURE PARTNERS GROWTH-BUYOUT COINVESTMENT FUND (CAYMAN), L.P.
	By:	Insight Venture Associates Growth-Buyout Coinvestment, L.P., its general partner
	By:	Insight Venture Associates Growth-Buyout Coinvestment, Ltd., its general partner


	By:	/s/ Andrew Prodromos
	Name:	Andrew Prodromos
	Title:	Authorized Officer



	INSIGHT VENTURE PARTNERS GROWTH-BUYOUT COINVESTMENT FUND (DELAWARE), L.P.
	By:	Insight Venture Associates Growth-Buyout Coinvestment, L.P., its general partner
	By:	Insight Venture Associates Growth-Buyout Coinvestment, Ltd., its general partner


	By:	/s/ Andrew Prodromos
	Name:	Andrew Prodromos
	Title:	Authorized Officer

[Signature Page to Schedule 13G]

	INSIGHT VENTURE PARTNERS GROWTH-BUYOUT COINVESTMENT FUND (B), L.P.
	By:	Insight Venture Associates Growth-Buyout Coinvestment, L.P., its general partner
	By:	Insight Venture Associates Growth-Buyout Coinvestment, Ltd., its general partner


	By:	/s/ Andrew Prodromos
	Name:	Andrew Prodromos
	Title:	Authorized Officer



	INSIGHT VENTURE ASSOCIATES GROWTH-BUYOUT COINVESTMENT, L.P.
	By:	Insight Venture Associates Growth-Buyout Coinvestment, Ltd., its general partner


	By:	/s/ Andrew Prodromos
	Name:	Andrew Prodromos
	Title:	Authorized Officer



	INSIGHT VENTURE ASSOCIATES GROWTH-BUYOUT COINVESTMENT, LTD.


	By:	/s/ Andrew Prodromos
	Name:	Andrew Prodromos
	Title:	Authorized Officer

[Signature Page to Schedule 13G]

EXHIBIT INDEX



Exhibit 99.1		Joint Filing Agreement, as required by Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended

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Recent Analyst Ratings for

$TENB

Date	Price Target	Rating	Analyst
4/29/2026		Outperform → Mkt Perform	William Blair
3/3/2026	$19.00	Equal Weight	Wells Fargo
1/8/2026	$38.00 → $28.00	Buy	Needham
4/1/2025	$42.00	Equal-Weight	Stephens
3/31/2025	$50.00	Overweight	Cantor Fitzgerald
3/18/2025		Equal-Weight	Morgan Stanley
1/17/2025	$46.00 → $45.00	Buy → Hold	Stifel
12/2/2024	$47.00	Overweight → Equal-Weight	Morgan Stanley

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SEC Form SC 13G/A filed by Tenable Holdings Inc. (Amendment)

2/10/22 5:30:55 PM ET

$TENB

Computer Software: Prepackaged Software

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SC 13G/A 1 i50528694a.htm SCHEDULE 13G/A, AMENDMENT #3

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

(Rule 13d-102)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b),

(c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2

(Amendment No. 3 – Exit Filing)*

TENABLE HOLDINGS, INC.

(Name of Issuer)

COMMON STOCK, $0.01 PAR VALUE PER SHARE

(Title of Class of Securities)

88025T102

(CUSIP Number)

December 31, 2021

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

☐ Rule 13d-1(b)

☐ Rule 13d-1(c)

⌧ Rule 13d-1(d)

*	The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

CUSIP No. 88025T102				13G	Page 1 of 22 Pages

1.	NAMES OF REPORTING PERSONS Insight Venture Partners IX, L.P.
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☐
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5.	SOLE VOTING POWER 0
		6.	SHARED VOTING POWER 0
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER 0
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ☐
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12.	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) PN

(1)	Calculations are based upon 107,444,768 shares of Common Stock of the Issuer outstanding as of October 28, 2021, as set forth in the Form 10-Q of the Issuer filed with the U.S. Securities and Exchange Commission on November 3, 2021.

CUSIP No. 88025T102				13G	Page 2 of 22 Pages

1.	NAMES OF REPORTING PERSONS Insight Venture Partners (Cayman) IX, L.P.
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☐
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5.	SOLE VOTING POWER 0
		6.	SHARED VOTING POWER 0
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER 0
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ☐
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12.	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) PN

(1)	Calculations are based upon 107,444,768 shares of Common Stock of the Issuer outstanding as of October 28, 2021, as set forth in the Form 10-Q of the Issuer filed with the U.S. Securities and Exchange Commission on November 3, 2021.

CUSIP No. 88025T102				13G	Page 3 of 22 Pages

1.	NAMES OF REPORTING PERSONS Insight Venture Partners (Delaware) IX, L.P.
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☐
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5.	SOLE VOTING POWER 0
		6.	SHARED VOTING POWER 0
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER 0
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ☐
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12.	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) PN

(1)	Calculations are based upon 107,444,768 shares of Common Stock of the Issuer outstanding as of October 28, 2021, as set forth in the Form 10-Q of the Issuer filed with the U.S. Securities and Exchange Commission on November 3, 2021.

CUSIP No. 88025T102				13G	Page 4 of 22 Pages

1.	NAMES OF REPORTING PERSONS Insight Venture Partners IX (Co-Investors), L.P.
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☐
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5.	SOLE VOTING POWER 0
		6.	SHARED VOTING POWER 0
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER 0
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ☐
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12.	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) PN

(1)	Calculations are based upon 107,444,768 shares of Common Stock of the Issuer outstanding as of October 28, 2021, as set forth in the Form 10-Q of the Issuer filed with the U.S. Securities and Exchange Commission on November 3, 2021.

CUSIP No. 88025T102				13G	Page 5 of 22 Pages

1.	NAMES OF REPORTING PERSONS Insight Venture Associates IX, L.P.
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☐
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5.	SOLE VOTING POWER 0
		6.	SHARED VOTING POWER 0
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER 0
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ☐
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12.	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) PN

(1)	Calculations are based upon 107,444,768 shares of Common Stock of the Issuer outstanding as of October 28, 2021, as set forth in the Form 10-Q of the Issuer filed with the U.S. Securities and Exchange Commission on November 3, 2021.

CUSIP No. 88025T102				13G	Page 6 of 22 Pages

1.	NAMES OF REPORTING PERSONS Insight Venture Associates IX, Ltd.
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☐
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5.	SOLE VOTING POWER 0
		6.	SHARED VOTING POWER 0
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER 0
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ☐
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12.	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) CO

(1)	Calculations are based upon 107,444,768 shares of Common Stock of the Issuer outstanding as of October 28, 2021, as set forth in the Form 10-Q of the Issuer filed with the U.S. Securities and Exchange Commission on November 3, 2021.

CUSIP No. 88025T102				13G	Page 7 of 22 Pages

1.	NAMES OF REPORTING PERSONS Insight Venture Partners Growth-Buyout Coinvestment Fund, L.P.
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☐
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5.	SOLE VOTING POWER 0
		6.	SHARED VOTING POWER 0
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER 0
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ☐
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12.	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) PN

(1)	Calculations are based upon 107,444,768 shares of Common Stock of the Issuer outstanding as of October 28, 2021, as set forth in the Form 10-Q of the Issuer filed with the U.S. Securities and Exchange Commission on November 3, 2021.

CUSIP No. 88025T102				13G	Page 8 of 22 Pages

1.	NAMES OF REPORTING PERSONS Insight Venture Partners Growth-Buyout Coinvestment Fund (Cayman), L.P.
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☐
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5.	SOLE VOTING POWER 0
		6.	SHARED VOTING POWER 0
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER 0
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ☐
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12.	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) PN

(1)	Calculations are based upon 107,444,768 shares of Common Stock of the Issuer outstanding as of October 28, 2021, as set forth in the Form 10-Q of the Issuer filed with the U.S. Securities and Exchange Commission on November 3, 2021.

CUSIP No. 88025T102				13G	Page 9 of 22 Pages

1.	NAMES OF REPORTING PERSONS Insight Venture Partners Growth-Buyout Coinvestment Fund (Delaware), L.P.
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☐
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5.	SOLE VOTING POWER 0
		6.	SHARED VOTING POWER 0
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER 0
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ☐
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12.	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) PN

(1)	Calculations are based upon 107,444,768 shares of Common Stock of the Issuer outstanding as of October 28, 2021, as set forth in the Form 10-Q of the Issuer filed with the U.S. Securities and Exchange Commission on November 3, 2021.

CUSIP No. 88025T102				13G	Page 10 of 22 Pages

1.	NAMES OF REPORTING PERSONS Insight Venture Partners Growth-Buyout Coinvestment Fund (B), L.P.
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☐
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5.	SOLE VOTING POWER 0
		6.	SHARED VOTING POWER 0
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER 0
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ☐
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12.	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) PN

(1)	Calculations are based upon 107,444,768 shares of Common Stock of the Issuer outstanding as of October 28, 2021, as set forth in the Form 10-Q of the Issuer filed with the U.S. Securities and Exchange Commission on November 3, 2021.

CUSIP No. 88025T102				13G	Page 11 of 22 Pages

1.	NAMES OF REPORTING PERSONS Insight Venture Associates Growth-Buyout Coinvestment, L.P.
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☐
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5.	SOLE VOTING POWER 0
		6.	SHARED VOTING POWER 0
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER 0
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ☐
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12.	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) PN

(1)	Calculations are based upon 107,444,768 shares of Common Stock of the Issuer outstanding as of October 28, 2021, as set forth in the Form 10-Q of the Issuer filed with the U.S. Securities and Exchange Commission on November 3, 2021.

CUSIP No. 88025T102				13G	Page 12 of 22 Pages

1.	NAMES OF REPORTING PERSONS Insight Venture Associates Growth-Buyout Coinvestment Ltd.
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☐
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5.	SOLE VOTING POWER 0
		6.	SHARED VOTING POWER 0
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER 0
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ☐
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12.	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) CO

(1)	Calculations are based upon 107,444,768 shares of Common Stock of the Issuer outstanding as of October 28, 2021, as set forth in the Form 10-Q of the Issuer filed with the U.S. Securities and Exchange Commission on November 3, 2021.

CUSIP No. 88025T102				13G	Page 13 of 22 Pages

1.	NAMES OF REPORTING PERSONS Insight Holdings Group, LLC
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☐
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5.	SOLE VOTING POWER 0
		6.	SHARED VOTING POWER 0
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER 0
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ☐
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12.	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) OO

(1)	Calculations are based upon 107,444,768 shares of Common Stock of the Issuer outstanding as of October 28, 2021, as set forth in the Form 10-Q of the Issuer filed with the U.S. Securities and Exchange Commission on November 3, 2021.

Item 1(a).

Name of Issuer:

Tenable Holdings, Inc. (the “Issuer”)

Item 1(b).

Address of Issuer’s Principal Executive Offices:

6100 Merriweather Drive, Columbia, Maryland, 21044

Item 2(a).

Name of Person Filing:

Item 2(b).

Address of Principal Business Office or, if None, Residence:

The address of the principal business and principal office of each of the Reporting Persons is c/o Insight Partners, 1114 Avenue of the Americas, 36th Floor, New York, New York 10036.

Item 2(c).

Citizenship:

See Item 2(a).

Item 2(d).

Title of Class of Securities:

Common Stock, par value $0.01 per share (“Common Stock”)

Item 2(e).

CUSIP Number:

88025T102

Item 3.

If this statement is filed pursuant to Rule 13d-1(b) or Rule 13d-2(b) or (c), check whether the person filing is a:

(a)		☐	Broker or dealer registered under Section 15 of the Exchange Act.
(b)		☐	Bank as defined in Section 3(a)(6) of the Exchange Act.
(c)		☐	Insurance company as defined in Section 3(a)(19) of the Exchange Act.
(d)		☐	Investment company registered under Section 8 of the Investment Company Act.
(e)		☐	An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);
	(f)	☐	An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F);
(g)		☐	A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G);
(h)		☐	A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act;
	(i)	☐	A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act;
	(j)	☐	Group, in accordance with Rule 13d-1(b)(1)(ii)(J).

Not applicable.

Item 4.

Ownership.

The information required by Items 4(a)-(c) is set forth in Rows 5-11 of the cover pages hereto for each Reporting Person and is incorporated herein by reference for each such Reporting Person.

Item 5.

Ownership of Five Percent or Less of a Class.

Item 6.

Ownership of More than Five Percent on Behalf of Another Person.

Not applicable.

Item 7.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company.

Not applicable.

Item 8.

Identification and Classification of Members of the Group.

Item 9.

Notice of Dissolution of Group.

Not applicable.

Item 10.

Certification.

Not applicable.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

	INSIGHT HOLDINGS GROUP, LLC


	By:	/s/ Andrew Prodromos
	Name:	Andrew Prodromos
	Title:	Attorney-in-Fact



	INSIGHT VENTURE PARTNERS IX, L.P.
	By:	Insight Venture Associates IX, L.P., its general partner
	By:	Insight Venture Associates IX, Ltd., its general partner


	By:	/s/ Andrew Prodromos
	Name:	Andrew Prodromos
	Title:	Authorized Officer



	INSIGHT VENTURE PARTNERS (CAYMAN) IX, L.P.
	By:	Insight Venture Associates IX, L.P., its general partner
	By:	Insight Venture Associates IX, Ltd., its general partner


	By:	/s/ Andrew Prodromos
	Name:	Andrew Prodromos
	Title:	Authorized Officer



	INSIGHT VENTURE PARTNERS (DELAWARE) IX, L.P.
	By:	Insight Venture Associates IX, L.P., its general partner
	By:	Insight Venture Associates IX, Ltd., its general partner


	By:	/s/ Andrew Prodromos
	Name:	Andrew Prodromos
	Title:	Authorized Officer



	INSIGHT VENTURE PARTNERS IX (CO-INVESTORS), L.P.
	By:	Insight Venture Associates IX, L.P., its general partner
	By:	Insight Venture Associates IX, Ltd., its general partne


	By:	/s/ Andrew Prodromos
	Name:	Andrew Prodromos
	Title:	Authorized Officer

[Signature Page to Schedule 13G]

	INSIGHT VENTURE ASSOCIATES IX, L.P.
	By:	Insight Venture Associates IX, Ltd., its general partner


	By:	/s/ Andrew Prodromos
	Name:	Andrew Prodromos
	Title:	Authorized Officer



	INSIGHT VENTURE ASSOCIATES IX, LTD.


	By:	/s/ Andrew Prodromos
	Name:	Andrew Prodromos
	Title:	Authorized Officer



	INSIGHT VENTURE PARTNERS GROWTH-BUYOUT COINVESTMENT FUND, L.P.
	By:	Insight Venture Associates Growth-Buyout Coinvestment, L.P., its general partner
	By:	Insight Venture Associates Growth-Buyout Coinvestment, Ltd., its general partner


	By:	/s/ Andrew Prodromos
	Name:	Andrew Prodromos
	Title:	Authorized Officer



	INSIGHT VENTURE PARTNERS GROWTH-BUYOUT COINVESTMENT FUND (CAYMAN), L.P.
	By:	Insight Venture Associates Growth-Buyout Coinvestment, L.P., its general partner
	By:	Insight Venture Associates Growth-Buyout Coinvestment, Ltd., its general partner


	By:	/s/ Andrew Prodromos
	Name:	Andrew Prodromos
	Title:	Authorized Officer



	INSIGHT VENTURE PARTNERS GROWTH-BUYOUT COINVESTMENT FUND (DELAWARE), L.P.
	By:	Insight Venture Associates Growth-Buyout Coinvestment, L.P., its general partner
	By:	Insight Venture Associates Growth-Buyout Coinvestment, Ltd., its general partner


	By:	/s/ Andrew Prodromos
	Name:	Andrew Prodromos
	Title:	Authorized Officer

[Signature Page to Schedule 13G]

	INSIGHT VENTURE PARTNERS GROWTH-BUYOUT COINVESTMENT FUND (B), L.P.
	By:	Insight Venture Associates Growth-Buyout Coinvestment, L.P., its general partner
	By:	Insight Venture Associates Growth-Buyout Coinvestment, Ltd., its general partner


	By:	/s/ Andrew Prodromos
	Name:	Andrew Prodromos
	Title:	Authorized Officer



	INSIGHT VENTURE ASSOCIATES GROWTH-BUYOUT COINVESTMENT, L.P.
	By:	Insight Venture Associates Growth-Buyout Coinvestment, Ltd., its general partner


	By:	/s/ Andrew Prodromos
	Name:	Andrew Prodromos
	Title:	Authorized Officer



	INSIGHT VENTURE ASSOCIATES GROWTH-BUYOUT COINVESTMENT, LTD.


	By:	/s/ Andrew Prodromos
	Name:	Andrew Prodromos
	Title:	Authorized Officer

[Signature Page to Schedule 13G]

EXHIBIT INDEX



Exhibit 99.1		Joint Filing Agreement, as required by Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended

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Date	Price Target	Rating	Analyst
4/29/2026		Outperform → Mkt Perform	William Blair
3/3/2026	$19.00	Equal Weight	Wells Fargo
1/8/2026	$38.00 → $28.00	Buy	Needham
4/1/2025	$42.00	Equal-Weight	Stephens
3/31/2025	$50.00	Overweight	Cantor Fitzgerald
3/18/2025		Equal-Weight	Morgan Stanley
1/17/2025	$46.00 → $45.00	Buy → Hold	Stifel
12/2/2024	$47.00	Overweight → Equal-Weight	Morgan Stanley

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Chief Financial Officer Brown Matthew Charles converted options into 14,544 shares and covered exercise/tax liability with 5,219 shares, increasing direct ownership by 31% to 39,866 units (SEC Form 4) to cover taxes

Chief Accounting Officer Anschutz Barron converted options into 4,223 shares and covered exercise/tax liability with 2,021 shares, increasing direct ownership by 3% to 73,875 units (SEC Form 4) (tax withholding)

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Tenable Holdings Inc. filed SEC Form 8-K: Regulation FD Disclosure, Financial Statements and Exhibits

Amendment: SEC Form SCHEDULE 13G/A filed by Tenable Holdings Inc.

Tenable Holdings Inc. filed SEC Form 8-K: Submission of Matters to a Vote of Security Holders

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Press Releases

Tenable Announces Strategic Integration with the Claude Compliance API to Provide Unprecedented Visibility and Governance for Enterprise AI Usage

Tenable One Powers AI-Driven Cyber Risk Decisions with the Release of the Open Connector

Tenable Launches Open Partner Exchange Network (OPEN) to Connect Security Tools, Data and AI-Driven Workflows Across the Enterprise

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Leadership Updates

Tenable Appoints Dino DiMarino as Chief Revenue Officer

Tenable Appoints Microsoft Cloud Security Veteran Vlad Korsunsky as Chief Technology Officer

Tenable Names Matthew Brown as Chief Financial Officer

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Insider Purchases

Chief Financial Officer Brown Matthew Charles bought $258,480 worth of shares (12,000 units at $21.54), increasing direct ownership by 65% to 30,541 units (SEC Form 4)

Director Vicks Raymond Jr. bought $99,765 worth of shares (4,500 units at $22.17), increasing direct ownership by 38% to 16,266 units (SEC Form 4)

Director Coviello Arthur W Jr bought $258,000 worth of shares (12,000 units at $21.50), increasing direct ownership by 30% to 51,731 units (SEC Form 4)

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Analyst Ratings

Tenable downgraded by William Blair

Wells Fargo initiated coverage on Tenable with a new price target

Needham reiterated coverage on Tenable with a new price target

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Financials

Tenable Announces First Quarter 2026 Financial Results

Tenable to Announce Fiscal First Quarter 2026 Earnings Results

Tenable Announces Fourth Quarter and Full Year 2025 Financial Results

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Large Ownership Changes

Amendment: SEC Form SC 13G/A filed by Tenable Holdings Inc.