SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* BD1 Investment Holding, LLC (Last) (First) (Middle) 1675 SOUTH STATE STREET, SUITE B (Street) DOVER DE 19901 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol Ascent Solar Technologies, Inc. [ ASTI ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 08/02/2021
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock(1)	08/02/2021		P		666,666,672	A	$10,000,000.08	666,666,672	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person* BD1 Investment Holding, LLC (Last) (First) (Middle) 1675 SOUTH STATE STREET, SUITE B (Street) DOVER DE 19901 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Kuhn Johannes (Last) (First) (Middle) 70-72 MUEHLENWEG (Street) LUXEMBOURG N4 L-2155 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Kuhn Ute (Last) (First) (Middle) 70-72 MUEHLENWEG (Street) LUXEMBOURG N4 L-2155 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. On August 2, 2021, BD 1 Investment Holding, LLC ("BD1") and the Issuer entered into a securities purchase agreement pursuant to which BD1 will purchase from the Issuer an aggregate of 666,666,672 shares of common stock for $10,000,000.08 (or $0.015 per share of common stock), in two tranches: (i) 333,333,336 shares of common stock for $5,000,000.04 on or before August 31, 2021 and (ii) 333,333,336 shares of common stock for $5,000,000.04 on or before (x) October 31, 2021 (if the Issuer then has authorized but unissued shares of common stock sufficient to issue such shares) or (y) within five business days after the effective date of an increase in the authorized shares. This joint filing on Form 4 includes Mr. Johannes Kuhn and Mrs. Ute Kuhn who are the 100% beneficial owners of BD1

	/s/ Todd Steadman, Manager of BD1 Investment Holding, LLC and attorney-in-fact for Johannes Kuhn and Ute Kuhn	08/04/2021
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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