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): July 9, 2026

CINGULATE INC.

(Exact name of registrant as specified in its charter)

1901 W. 47^th Place

Kansas City, KS 66205

(Address of principal executive offices) (Zip Code)

(913) 942-2300

(Registrant’s telephone number, including area code)

(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 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

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. ☐

Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

Equity Plan Amendment

At the Cingulate Inc. (the “Company”) 2026 Annual Meeting of Stockholders held on July 9, 2026 (the “Annual Meeting”), the Company’s stockholders approved Amendment No. 3 to the Cingulate Inc. 2021 Omnibus Equity Incentive Plan (the “Equity Plan”) to increase the number of shares of common stock authorized for issuance thereunder by 625,000 shares (the “Amendment”). The board of directors of the Company had previously approved the Amendment, subject to stockholder approval, and the Amendment became effective upon such stockholder approval.

A copy of the Amendment is included with this Form 8-K as Exhibit 10.1 and is incorporated herein by reference, and the foregoing summary is qualified in its entirety by reference to the terms and provisions of the Amendment.

Changes to Board Structure

On the date of the Annual Meeting, the Company’s Board of Directors (the “Board”) reduced the size of the Board to five (5) directors and appointed Shane Schaffer, the Company’s Chief Executive Officer, as the chairman of the Board. The Board appointed Jeff Hargroves as the lead independent director of the Board.

The Board also appointed Zhanpeng “Frederick” Jiang as the chairman of the Audit Committee of the Board and Mr. Hargroves as the chairman of the Nominating and Corporate Governance Committee of the Board. Following the Annual Meeting: (i) the Audit Committee of the Board consists of Mr. Jiang , as chairman, Mr. Hargroves and Bryan Lawrence, (ii) the Nominating and Corporate Governance Committee of the Board consists of Mr. Hargroves, as chairman, Mr. Jiang and Mr. Lawrence and (iii) the Compensation Committee of the Board consists of Mr. Lawrence, as chairman, Mr. Hargroves and Mr. Jiang.

Item 5.07. Submission of Matters to a Vote of Security Holders.

At the Annual Meeting, four proposals were submitted to the Company’s stockholders. The final voting results were as follows:

Proposal 1

The Company’s stockholders elected the following Class II director to serve for a term expiring at the 2029 annual meeting of stockholders and until his successor has been duly elected.

Proposal 2

The Company’s stockholders approved the ratification of the appointment of KPMG LLP as the Company’s independent registered public accounting firm for the year ending December 31, 2026.

Proposal 3

The Company’s stockholders approved the Amendment to the Equity Plan to increase the number of shares of common stock authorized for issuance thereunder by 625,000 shares to 2,221,126 shares.

Proposal 4

The Company’s stockholders approved the adjournment of the Annual Meeting to a later date or dates, if necessary or appropriate, to permit further solicitation and vote of proxies in the event that there are insufficient votes for, or otherwise in connection with, the approval of one or more of foregoing proposals. Adjournment of the Annual Meeting was deemed not necessary, because there were sufficient votes at the time of the Annual Meeting to approve each proposal.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits

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.