Washington, D.C. 20549

FORM 8-K

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): June 5, 2026

Femasys Inc.

(Exact name of registrant as specified in its charter)

(Registrant’s telephone number, including area code)

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 Instructions A.2. below):

Securities registered pursuant to Section 12(b) of the Exchange 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 June 5, 2026, Femasys Inc. (the “Company”) filed a Certificate of Amendment to the Eleventh Amended and Restated Certificate of Incorporation of the Company (the “Amendment”) with the Secretary of State of the State of Delaware to effect a 1-for-20 reverse stock split of its outstanding common stock. The Amendment became effective at 8:40 a.m. Eastern Time on June 5, 2026 (the “Effective Time”). The Amendment was authorized by the stockholders of the Company at the Company’s special meeting of stockholders on April 29, 2026.

The Amendment provides that, at the Effective Time, every 20 shares of the Company’s issued and outstanding common stock were automatically combined into one issued and outstanding share of common stock, without any change in par value per share. The reverse split affected all shares of the Company’s common stock outstanding immediately prior to the Effective Time. As a result of the reverse stock split, proportionate adjustments will be made to the per share exercise price and/or the number of shares issuable upon the exercise or vesting of all stock options, restricted stock units (“RSUs”) and warrants issued by the Company and outstanding immediately prior to the Effective Time, which will result in a proportionate decrease in the number of shares of the Company’s common stock reserved for issuance upon exercise or vesting of such stock options, RSUs and warrants, and, in the case of stock options and warrants, a proportionate increase in the exercise price of all such stock options and warrants. In addition, the number of shares reserved for issuance under the Company’s equity compensation plan immediately prior to the Effective Time has been reduced proportionately.

No fractional shares will be issued as a result of the reverse stock split. Instead, fractional shares will be rounded up to the next whole share at the Depository Trust Company (DTC) participant level. The reverse stock split affects all stockholders proportionately and will not affect any stockholder’s percentage ownership of the Company’s common stock (other than the nominal effect of the treatment of fractional shares).

The Company’s common stock will begin trading on The Nasdaq Capital Market on a split-adjusted basis when the market opens on June 8, 2026. The new CUSIP number for the Company’s common stock following the reverse stock split is 31447E 204.

The foregoing description is qualified in its entirety by the Amendment, which is filed as Exhibit 3.1 to this Current Report on Form 8-K and is incorporated herein by reference.

To the extent required by Item 5.03 of Form 8-K, the information contained in Item 3.03 of this Current Report on Form 8-K is incorporated herein by reference.

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.