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): December 18, 2025

 

ASP Isotopes Inc.

(Exact name of registrant as specified in its charter)

 

Delaware

 

001-41555

 

87-2618235

(State or other jurisdiction of

incorporation)

 

(Commission

File Number)

 

(IRS Employer

Identification No.)

 

601 Pennsylvania Avenue NW,

South BuildingSuite 900

WashingtonDC

 

20004

(Address of principal executive offices)

 

(Zip Code)

 

Registrant’s telephone number, including area code: (202756-2245

 

 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:

 

 

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

 

 

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

 

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

 

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

 

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

 

Title of each class

 

Trading Symbol(s)

 

Name of each exchange on which registered

Common Stock, par value $0.01

 

ASPI

 

The Nasdaq Stock Market LLC

 

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  

 

 

 

 

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

 

ASP Isotopes Inc. (the “Company”) held its 2025 Annual Meeting of Stockholders (the “Annual Meeting”) on December 18, 2025. At the Annual Meeting, the Company’s stockholders voted on three proposals, as described below. Each of the proposals was described in detail in the Company’s definitive proxy statement on Schedule 14A filed with the U.S. Securities and Exchange Commission on November 25, 2025. The vote totals noted below are final voting results from the Annual Meeting.

 

Proposal 1

 

The Company’s stockholders elected the following two Class III Directors to hold office until the 2028 annual meeting of stockholders or until their successors are duly elected and qualified.

 

Name

Votes For

Votes Withheld

Broker Non-Votes

Sipho N. Maseko

40,620,822

315,703

29,281,258

Todd Wider, M.D.

24,108,474

16,828,051

29,281,258

 

Proposal 2

 

The Company’s stockholders ratified the appointment of EisnerAmper LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2025.

 

Votes For

Votes Against

Abstentions

68,642,639

442,193

1,132,951

 

 

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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.

 

 

ASP ISOTOPES INC.

 

 

 

 

Date: December 19, 2025

By:

/s/ Donald G. Ainscow

 

 

Name:

Donald G. Ainscow

 

 

Title:

Executive Vice President,

General Counsel and Secretary

 

 

 

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