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 1726, 2026

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 58.0201. ~~Departure~~Other ~~of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers~~Events.

As ~~described~~previously ~~below~~disclosed, ~~the~~ ~~Company~~on ~~held~~May ~~its~~16, ~~2026~~2024, ~~Annual~~Ascent ~~Meeting~~Solar ~~of Stockholders on June 17~~Technologies, ~~2026~~Inc., Ata ~~the~~Delaware ~~Annual~~corporation ~~Meeting~~(“we,” “us,” the “Company’s” or ~~stockholders~~“Ascent”), ~~approved~~ entered into an ~~amendment~~At toThe Market Offering Agreement (the ~~Company’s~~“ATM ~~2023~~Agreement”) ~~Equity~~with ~~Incentive~~H.C. ~~Plan~~Wainwright & Co., toLLC, ~~increase~~as ~~the~~sales ~~number~~agent of(“Wainwright”), to sell shares of its common stock, ~~subject~~par tovalue ~~the~~$0.0001 ~~2023~~per ~~Equity~~share (the “Shares”), ~~Incentive~~with ~~Plan~~an ~~from~~aggregate ~~893,611~~sales price of initially up to 1$4,~~700~~219,000, from time to time, through an “at the market offering” program.

AAs ~~summary~~previously ofdisclosed, pursuant ~~the~~to ~~material terms~~prospectus ofsupplements ~~the~~dated ~~amended~~May ~~2023~~23, ~~Plan~~2024, isMay ~~set~~30, ~~forth~~2024 inand ~~the~~August ~~Company’s~~20, ~~definitive~~2025, ~~proxy~~to our shelf registration statement on ~~Schedule~~Form S-3 (File No. 333-267971) initially filed ~~14A~~by ~~for~~ the ~~Annual~~Company ~~Meeting filed~~ with the U.S. Securities and Exchange Commission ~~on April 27, 2026~~ (the “~~Proxy Statement~~SEC”). ~~The~~on ~~summaries~~October of21, ~~the~~2022, ~~amended~~and ~~2023~~declared effective ~~Plan~~by ~~set forth in~~ the ~~Proxy~~SEC ~~Statement~~on ~~are~~November ~~qualified~~7, in2022 ~~their~~(the ~~entirety~~“Initial byRegistration ~~reference~~Statement”), to the ~~full~~Company ~~text~~increased of the ~~amended~~amount ~~2023~~available ~~Plan,~~for ~~a copy of~~sale ~~which~~under isthe ~~filed~~ATM asAgreement, ~~Exhibit~~up ~~10.1~~ to ~~this~~an ~~Current~~additional ~~Report~~aggregate onoffering ~~Form~~price ~~8-K~~of $4,344,000, $3,981,000 and ~~incorporated~~$758,818 ~~herein~~of byShares, ~~reference~~respectively.

~~Item~~The ~~5.07.~~Company ~~Submission~~has ofdetermined to ~~Matters~~increase the amount available for sale under the ATM Agreement, up to aan ~~Vote~~additional aggregate offering price of ~~Security~~$15,000,000 ~~Holders~~of Shares. The Shares will be issued pursuant to our shelf registration statement on Form S-3 (File No. 333-291104) initially filed by the Company with the SEC on October 27, 2025, and declared effective by the SEC on December 30, 2025 (the “Registration Statement”) and the related prospectus supplement (the “Prospectus Supplement”), dated June 26, 2026.

OnBecause ~~June~~there 17is no minimum offering amount required pursuant to the ATM Agreement, ~~2026~~the total number of Shares to be sold under the ATM agreement, if any, and proceeds to the Company, ~~convened~~if ~~its~~any, ~~2026~~are ~~Annual~~not ~~Meeting~~determinable ofat ~~Stockholders~~this time. The ~~matters~~Company ~~voted~~expects ~~upon~~to atuse ~~the~~any ~~Annual~~net ~~Meeting~~proceeds primarily for general and ~~the~~administrative expenses ~~results~~and ofother ~~such~~general ~~voting~~corporate purposes. The Company’s management will have significant discretion and flexibility in applying ~~are~~the ~~set~~net ~~forth~~proceeds ~~below~~from the sale of these securities.

~~Proposal~~This 1Current -Report ~~Election~~does ofnot ~~two~~constitute ~~Class~~an Aoffer ~~directors~~to sell or the solicitation of an offer to ~~serve~~buy aany ~~three~~security ~~year~~nor ~~term~~shall ~~ending~~there be any sale of these securities in any ~~2029~~state ~~until~~in ~~their~~which ~~respective~~such ~~successors~~offer, ~~are~~solicitation ~~duly~~or ~~elected~~sale ~~and~~would ~~qualified~~be unlawful prior to registration or qualification under the securities laws of any such state.

Louis Berezovsky	FOR		AGAINST		ABSTAIN		BROKER NON-VOTE
Common		1,486,075		35,329		9,419		3,706,497
Series 1C Preferred		146,280		0		0		0
Total		1,632,355		35,329		9,419		3,706,497

Attached hereto as Exhibit 5.1, and incorporated by reference to the Prospectus Supplement, is the opinion of Carroll Legal LLC relating to the legality of the issuance and sale of the Shares.

~~Louis~~Since ~~Berezovsky~~May ~~was~~16, ~~duly~~2024, ~~elected~~the Company has sold 1,804,444 shares of common stock under the ATM Agreement for gross proceeds of approximately $12,657,279.56. The Company’s current outstanding shares of common stock are 9,816,431 as of June 26, 2026.

Forrest Reynolds	FOR		AGAINST		ABSTAIN		BROKER NON-VOTE
Common		1,486,071		35,453		9,299		3,706,497
Series 1C Preferred		146,280		0		0		0
Total		1,632,351		35,453		9,299		3,706,497

Forrest Reynolds was duly elected.

Proposal 2 - Ratification of appointment of independent registered accounting firm – Haynie & Company

	FOR		AGAINST		ABSTAIN		BROKER NON-VOTE
Common		5,140,444		32,560		64,316		0
Series 1C Preferred		146,280		0		0		0
Total		5,286,724		32,560		64,316		0

Proposal 2 was approved.

Proposal 3 – Approval of an amendment to the Company’s 2023 Equity Incentive Plan

	FOR		AGAINST		ABSTAIN		BROKER NON-VOTE
Common		1,368,646		146,264		15,913		3,706,497
Series 1C Preferred		146,280		0		0		0
Total		1,514,926		146,264		15,913		3,706,497

Proposal 3 was approved.

Proposal 4 – Approval, on an advisory basis, the compensation of the Company’s Named Executive Officers

	FOR		AGAINST		ABSTAIN		BROKER NON-VOTE
Common		1,444,696		68,145		17,982		3,706,497
Series 1C Preferred		146,280		0		0		0
Total		1,590,976		68,145		17,982		3,706,497

Proposal 4 was approved.

Proposal 5 – Approval to adjourn the Annual Meeting

	FOR		AGAINST		ABSTAIN		BROKER NON-VOTE
Common		5,009,054		200,888		27,378		0
Series 1C Preferred		146,280		0		0		0
Total		5,155,334		200,888		27,378		0

Proposal 5 was approved.

Item 9.01. Financial Statements and Exhibits.

(d)	Exhibits
	Exhibit Number	Description
	10.1	Ascent Solar 2023 Equity Incentive Plan (as amended through June 17, 2026)
	5.1	Opinion of Carrol Legal LLC, dated June 26, 2026
	104	Cover Page Interactive Data File (embedded within the Inline XBRL document).
	23.1	Consent of Carroll Legal LLC (included in Exhibit 5.1)
	104	Cover Page Interactive Data File - the cover page iXBRL tags are 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 17, 2026	By:	/s/ Jin Jo
June 26, 2026	By:	/s/ Jin Jo
		Name: Jin Jo
		Title: Chief Financial Officer

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