SEC Form SCHEDULE 13G filed by Inspire Medical Systems Inc.
$INSP
Medical/Dental Instruments
Health Care
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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 |
SCHEDULE 13G
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UNDER THE SECURITIES EXCHANGE ACT OF 1934
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Inspire Medical Systems, Inc. (Name of Issuer) |
Common Stock, $0.001 par value per share (Title of Class of Securities) |
457730109 (CUSIP Number) |
06/25/2026
(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)
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 Rule 13d-1(c)
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| Rule 13d-1(d)
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SCHEDULE 13G
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| CUSIP Number(s): | 457730109 |
| 1 | Names of Reporting Persons
D. E. Shaw & Co., L.P. | ||||||||
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
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| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization
DELAWARE
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| Number of Shares Beneficially Owned by Each Reporting Person With: |
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| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
1,483,107.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
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| 11 | Percent of class represented by amount in row (9)
5.1 % | ||||||||
| 12 | Type of Reporting Person (See Instructions)
IA, PN |
SCHEDULE 13G
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| CUSIP Number(s): | 457730109 |
| 1 | Names of Reporting Persons
David E. Shaw | ||||||||
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
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| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization
UNITED STATES
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| Number of Shares Beneficially Owned by Each Reporting Person With: |
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| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
1,483,107.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
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| 11 | Percent of class represented by amount in row (9)
5.1 % | ||||||||
| 12 | Type of Reporting Person (See Instructions)
IN |
SCHEDULE 13G
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| Item 1. | ||
| (a) | Name of issuer:
Inspire Medical Systems, Inc. | |
| (b) | Address of issuer's principal executive offices:
5500 Wayzata Blvd., Suite 1600, Golden Valley, MN 55416 | |
| Item 2. | ||
| (a) | Name of person filing:
D. E. Shaw & Co., L.P.
David E. Shaw | |
| (b) | Address or principal business office or, if none, residence:
The business address for each reporting person is:
Two Manhattan West
375 Ninth Avenue, 52nd Floor
New York, NY 10001 | |
| (c) | Citizenship:
D. E. Shaw & Co., L.P. is a limited partnership organized under the laws of the state of Delaware.
David E. Shaw is a citizen of the United States of America. | |
| (d) | Title of class of securities:
Common Stock, $0.001 par value per share | |
| (e) | CUSIP Number(s):
457730109 | |
| Item 3. | If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a: | |
| (a) | Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
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| (b) | Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
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| (c) | Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
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| (d) | Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
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| (e) | An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
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| (f) | An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
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| (g) | A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
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| (h) | A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
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| (i) | A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
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| (j) | A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution: | |
| (k) | Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
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| Item 4. | Ownership | |
| (a) | Amount beneficially owned:
D. E. Shaw & Co., L.P.: 1,483,107 shares
This is composed of (i) 486,655 shares in the name of D. E. Shaw Valence Portfolios, L.L.C., (ii) 362,550 shares in the name of D. E. Shaw Oculus Portfolios, L.L.C., (iii) 31,529 shares in the name of D. E. Shaw Composite Portfolios, L.L.C., and (iv) 602,373 shares under the management of D. E. Shaw Investment Management, L.L.C.
David E. Shaw: 1,483,107 shares
This is composed of (i) 486,655 shares in the name of D. E. Shaw Valence Portfolios, L.L.C., (ii) 362,550 shares in the name of D. E. Shaw Oculus Portfolios, L.L.C., (iii) 31,529 shares in the name of D. E. Shaw Composite Portfolios, L.L.C., and (iv) 602,373 shares under the management of D. E. Shaw Investment Management, L.L.C.
David E. Shaw does not own any shares directly. By virtue of David E. Shaw's position as President and sole shareholder of D. E. Shaw & Co., Inc., which is the general partner of D. E. Shaw & Co., L.P., which in turn is the investment adviser of D. E. Shaw Valence Portfolios, L.L.C., D. E. Shaw Oculus Portfolios, L.L.C., and D. E. Shaw Composite Portfolios, L.L.C. and the managing member of D. E. Shaw Investment Management, L.L.C., and by virtue of David E. Shaw's position as President and sole shareholder of D. E. Shaw & Co. II, Inc., which is the managing member of D. E. Shaw & Co., L.L.C., which in turn is the manager of D. E. Shaw Valence Portfolios, L.L.C., D. E. Shaw Oculus Portfolios, L.L.C., and D. E. Shaw Composite Portfolios, L.L.C., David E. Shaw may be deemed to have the shared power to vote or direct the vote of 1,374,263 shares and the shared power to dispose or direct the disposition of 1,483,107 shares, the 1,483,107 shares as described above constituting 5.1% of the outstanding shares, and, therefore, David E. Shaw may be deemed to be the beneficial owner of such shares. David E. Shaw disclaims beneficial ownership of such 1,483,107 shares. | |
| (b) | Percent of class:
D. E. Shaw & Co., L.P.: 5.1%
David E. Shaw: 5.1% | |
| (c) | Number of shares as to which the person has:
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| (i) Sole power to vote or to direct the vote:
D. E. Shaw & Co., L.P.: 0 shares
David E. Shaw: 0 shares | ||
| (ii) Shared power to vote or to direct the vote:
D. E. Shaw & Co., L.P.: 1,374,263 shares
David E. Shaw: 1,374,263 shares | ||
| (iii) Sole power to dispose or to direct the disposition of:
D. E. Shaw & Co., L.P.: 0 shares
David E. Shaw: 0 shares | ||
| (iv) Shared power to dispose or to direct the disposition of:
D. E. Shaw & Co., L.P.: 1,483,107 shares
David E. Shaw: 1,483,107 shares | ||
| Item 5. | Ownership of 5 Percent or Less of a Class. | |
Not Applicable
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| Item 6. | Ownership of more than 5 Percent on Behalf of Another Person. | |
Not Applicable
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| Item 7. | Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person. | |
Not Applicable
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| Item 8. | Identification and Classification of Members of the Group. | |
Not Applicable
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| Item 9. | Notice of Dissolution of Group. | |
Not Applicable
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| Item 10. | Certifications: |
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. |
| 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.
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Comments accompanying signature: Exhibit 1: Power of Attorney, granted by David E. Shaw relating to D. E. Shaw & Co., Inc., in favor of the signatories hereto, among others, dated August 1, 2024.
Exhibit Information
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Exhibit 2: Joint Filing Agreement, by and among the Reporting Persons, dated July 2, 2026. |