Form DEFA14C Galera Therapeutics,

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14C

(Rule 14c-101)

SCHEDULE 14C INFORMATION STATEMENT

Information Statement Pursuant to Section 14(c) of the

Securities Exchange Act of 1934

Check the appropriate box:

GALERA THERAPEUTICS, INC.

(Name of Registrant as Specified In Its Charter)

Payment of Filing Fee (Check all boxes that apply):

Explanatory Note

On July 7, 2026, Galera Therapeutics, Inc., a Delaware Corporation (the “Company”) filed with the U.S. Securities and Exchange Commission (the “SEC”) a Current Report on Form 8-K announcing that its board of directors approved a one-for-two hundred (1:200) reverse stock split of the Company’s common stock, par value $0.001 (“Common Stock”). The disclosure included in the Form 8-K is provided below.

Item 8.01 Other Events

On July 7, 2026, the Company announced that its board of directors approved a one-for-two hundred (1:200) reverse stock split (“Reverse Stock Split”) of the Company’s Common Stock.

The Reverse Stock Split is expected to become effective on July 12, 2026 as of 11:59 p.m. Eastern Time (the “Effective Time”), with shares to begin trading on a split-adjusted basis at market open on July 13, 2026. In connection with the Reverse Stock Split, every two hundred shares of Common Stock issued and outstanding as of the Effective Time will be automatically converted into one share of Common Stock. No fractional shares will be issued in connection with the Reverse Stock Split; the Company’s stockholders will be entitled to receive the cash value equal to the fraction to which the stockholder would otherwise be entitled, multiplied by the closing price of Common Stock, as reported on the OTCQB Market, on the last trading day prior to the effective date of the Reverse Stock Split.

In addition, the Reverse Stock Split will effect a reduction in the number of shares of Common Stock (i) available for issuance under the Company’s 2019 Equity Incentive Plan and 2023 Employment Inducement Award Plan, and (ii) issuable upon the exercise of stock options outstanding immediately prior to the effectiveness of the Reverse Stock Split. To reflect the Reverse Stock Split, there will also be a corresponding increase in the exercise price per share applicable to outstanding stock options.

The Reverse Stock Split will also effect a proportionate reduction in the number of shares of Common Stock issuable upon the exercise of the Company’s outstanding warrants, with a corresponding adjustment to the exercise price per share applicable to each such warrant.

The aforementioned adjustments will occur automatically upon effectiveness of the Reverse Stock Split.

Important Additional Information

As described in further detail in the Company’s Definitive Information Statement filed with the SEC on July 2, 2026 (the “Information Statement”), the Company is not and will not be soliciting proxies from stockholders in connection with the matters described in the Information Statement. Under the terms of the Delaware General Corporation Law and the certificate of incorporation of the Company, stockholders of the Company holding a majority of the outstanding shares of Company Common Stock have acted by written consent to adopt the Agreement and Plan of Merger dated April 14, 2026 (as it may be amended, supplemented, or modified from time to time) among the Company, Gazelle Parent, Inc., a Delaware corporation (“Parent”), Obsidian Therapeutics, Inc., a Delaware corporation, Onyx MergerSub, Inc., a wholly-owned subsidiary of Parent and Gazelle Merger Subsidiary, Inc., a wholly-owned subsidiary of Parent, and each of the transactions contemplated thereby, as further described in the Information Statement. This filing should not be interpreted to be an admission or acknowledgement by the Company of any intent or desire by the Company to in any way conduct a solicitation.