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): June 27, 2025 (June 26, 2025)

ASCENT SOLAR TECHNOLOGIES, INC.

(Exact name of registrant as specified in its charter)

Delaware		001-32919		20-3672603
(State or other jurisdiction of incorporation)		(Commission File Number)		(I.R.S. Employer Identification No.)

12300 Grant Street
Thornton, CO	80241
(Address of principal executive offices)	(Zip Code)

	(720) 872-5000
	(Registrant’s telephone number, including area code)

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 $0.0001 per share		ASTI		Nasdaq Capital Market

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 8.01. Other Events.

On June 26, 2025, Ascent Solar Technologies, Inc. issued a press release announcing that the Company is commencing work on a Collaborative Agreement Notice (CAN) with NASA Marshall Space Flight Center (MSFC) and support from NASA Glenn Research Center (GRC) to efficiently advance capabilities for receiving beamed power using CIGS PV modules. A copy of this press release is filed as Exhibit 99.1 to this Current Report on Form 8-K and is hereby incorporated herein by reference.

On June 27, 2025, Ascent issued a press release announcing that the Company has entered into a Teaming Agreement to supply a US-based defense solutions provider with its cutting edge, thin-film solar technology solutions for upcoming orbital applications and future missions. A copy of this press release is filed as Exhibit 99.2 to this Current Report on Form 8-K and is hereby incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits.


(d)	Exhibits
	Exhibit Number	Description
	99.1	Press Release dated June 26, 2025
	99.2	Press Release dated June 27, 2025
	104	Cover Page Interactive Data File (embedded within the Inline XBRL document).

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.


	ASCENT SOLAR TECHNOLOGIES, INC.

June 27, 2025	By:	/s/ Jin Jo
		Name: Jin Jo
		Title: Chief Financial Officer

Ascent Solar Technologies, Inc. 8-K