SEC Form 8-K filed by Aldeyra Therapeutics Inc.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): April 1, 2026

ALDEYRA THERAPEUTICS, INC.

(Exact name of Registrant as specified in its charter)

131 Hartwell Avenue, Suite 320

Lexington, MA 02421

(Address of principal executive offices and zip code)

Registrant’s telephone number, including area code: (781) 761-4904

Not Applicable

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

As previously disclosed, Aldeyra Therapeutics, Inc. (“Aldeyra” or the “Company”) entered into that certain Loan and Security Agreement, dated as of March 25, 2019, by and among the Company, Helio Vision, LLC, the several banks and other financial institutions or entities from time to time parties thereto (the “Lenders”) and Hercules Capital, Inc., in its capacity as administrative agent and collateral agent for itself and the Lenders (as amended from time to time, the “Hercules Credit Facility”), with a maturity date of April 1, 2026.

On April 1, 2026, the Company paid off the outstanding borrowings of $15 million, and terminated all outstanding commitments under the Hercules Credit Facility. As a result, the Hercules Credit Facility terminated pursuant to its terms. As previously disclosed, cash, cash equivalents, and marketable securities as of December 31, 2025 are expected to support operations into 2028.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Dated April 1, 2026