(Mark One) ☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF1934 For the quarterly period endedJune 30, 2026 or ☐TRANSITION REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the Transition Period fromtoCommission File No. 001-32919 Ascent Solar Technologies, Inc.(Exact name of registrant as specified in its charter) Registrant’s telephone number including area code: 720-872-5000 Securities registered pursuant to Section 12(b) of the Act: Indicate by check mark whether the issuer (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Actof 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject tosuch filing requirements for the past 90 days.Yes☒No☐ Indicate by check mark whether the registrant has submitted every Interactive Data File required to be submitted pursuant to Rule 405 ofRegulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submitand post such files).☒Yes☐No Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reportingcompany. See definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act: Large accelerated filer☐Non-accelerated filer☒ Accelerated filer☐Smaller reporting company☒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 complyingwith any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).Yes☐No☒As of August 6, 2026, there were 9,816,431 shares of our common stock issued and outstanding. ASCENT SOLAR TECHNOLOGIES, INC.Quarterly Report on Form 10-QFor the Period EndedJune 30, 2026Table of Contents PART I. FINANCIAL INFORMATIONItem 1.Unaudited Condensed Financial Statements1Unaudited Condensed Balance Sheets - as of June 30, 2026 and December 31, 20251Unaudited Condensed Statements of Operations and Comprehensive Income - For the Three and SixMonths Ended June 30, 2026 and 20252Unaudited Condensed Statements of Changes in Stockholders’ Equity (Deficit) - For the Three and SixMonths Ended June 30, 2026 and 20253Unaudited Condensed Statements of Cash Flow - For the Six Months Ended June 30, 2026 and 20255Notes to the Unaudited Condensed Financial Statements6Item 2.Management’s Discussion and Analysis of Financial Condition and Results of Operations15Item 3.Quantitative and Qualitative Disclosures About Market Risk20Item 4.Controls and Procedures20PART II. OTHER INFORMATION21Item 1.Legal Proceedings21Item 1A.Risk Factors21Item 2.Unregistered Sales of Equity Securities and Use of Proceeds21Item 3.Defaults Upon Senior Securities21Item 4.Mine Safety Disclosures21Item 5.Other Information21Item 6.Exhibits22SIGNATURES26 Table of Contents FORWARD-LOOKING STATEMENTS This Quarterly Report on Form 10-Q includes “forward-looking statements” that involve risks and uncertainties. Forward-looking statements include statements concerning our plans, objectives, goals, strategies, future events, future net sales orperformance, capital expenditures, financing needs, plans or intentions relating to acquisitions, business trends and otherinformation that is not historical information and, in particular, appear under headings including “Management’s Discussion andAnalysis of Financial Condition and Results of Operations” and “Overview.” When used in this Quarterly Report, the words“estimates,” “expects,” “anticipates,” “projects,” “plans,” “intends,” “believes,” “forecasts,” “foresees,” “likely,” “may,” “should,”“goal,” “target,” and variations of such words or similar expressions are intended to identify forward-looking statements. Allforward-looking statements are based upon information available to us on the date of this Quarterly Report. These forward-looking statements are subject to risks, uncertainties and other factors, many of which are outside of our control,that could cause actual results to differ materially from the results discussed in the forward-looking statements, including, amongother things, the matters discussed in this Quarterly Report in the sections captioned “Risk Factors” and “Management’s Discussionand Analysis of Financial Condition and Results of Operations.” Factors you should consider that could cause these differences are: •Our operating history and lack of profitability;•Our ability to develop demand for, and sales of, our products;•Our ability to attract and retain qualified personnel to implement our business plan and corporate growth strategies;•Our ability to develop sales, mar