SEC Form 8-K filed by Aileron 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): January 10, 2025

Rein Therapeutics, Inc.

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code: (737) 802-1989

N/A

(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 (see General Instruction A.2. below):

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. ☐

On January 10, 2025, Aileron Therapeutics, Inc. (the “Company”) amended its Restated Certificate of Incorporation, as amended (the “Certificate of Incorporation”), to effect a change of the Company’s name from “Aileron Therapeutics, Inc.” to “Rein Therapeutics, Inc.” (the “Name Change”). The Name Change became effective at 4:00 p.m. Eastern Time on January 10, 2025.

The Board of Directors of the Company (the “Board”) approved the Name Change pursuant to Section 242 of the General Corporation Law of the State of Delaware. The Name Change does not affect the rights of the Company’s stockholders, and there were no other changes to the Certificate of Incorporation. A copy of the certificate of amendment to the Restated Certificate of Incorporation filed with the Secretary of State of the State of Delaware to affect the Name Change is filed as Exhibit 3.1 and incorporated herein by reference.

In connection with the Name Change, the Board also approved an amendment and restatement of the Company’s Amended and Restated Bylaws solely to reflect the Name Change (as amended and restated, the “Amended and Restated Bylaws”) effective as of January 10, 2025. A copy of the Amended and Restated Bylaws is filed as Exhibit 3.2 and incorporated herein by reference.

Following the Name Change, the new trading symbol for the Company’s common stock on The Nasdaq Capital Market will be “RNTX”. Trading of the Company’s common stock under the new name and trading symbol is expected to commence on January 13, 2025. The CUSIP number for the Company’s common stock will not change in connection with the Name Change.

(d) Exhibits

SIGNATURES

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.