FORM 3
        
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      
1. Name and Address of Reporting Person * BD1 Investment Holding, LLC 2. Date of Event Requiring Statement (MM/DD/YYYY)
12/18/2020 

3. Issuer Name and Ticker or Trading Symbol Ascent Solar Technologies, Inc. [ASTI]
(Last)       (First)       (Middle)
1675 SOUTH STATE STREET, SUITE B
4. Relationship of Reporting Person(s) to Issuer (Check all applicable)_____ Director                          ___X___ 10% Owner
_____ Officer (give title below)        _____ Other (specify below)
(Street)
DOVER, DE 19901      
(City)             (State)             (Zip)
5. If Amendment, Date Original Filed(MM/DD/YYYY)
12/18/2020 

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 Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(MM/DD/YYYY)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Unsecured convertible promissory notes (1)(3) 12/18/2020   (2) Common Stock  105000000000  $0.0001  D   

Explanation of Responses:
(1)  BD 1 Investment Holding, LLC ("BD1") owns two unsecured convertible promissory notes with principal amounts of $10,340,000 and $160,000 ("Exchange Notes"), convertible at any time into 105,000,000,000 shares of Issuer's common stock at a fixed conversion price of $0.0001 per share. This joint filing on Form 3 includes Mr. Johannes Kuhn and Mrs. Ute Kuhn who are the 100% indirect owners of BD1.
(2)  The maturity date of the Exchange Notes is December 18, 2025.
(3)  This Form 3 amendment is being filed to correct the original Form 3 filed on December 28, 2020. The original Form 3 inadvertently omitted an additional Reporting Person, Ute Kahn, the spouse of the Johannes Kuhn, who is an indirect beneficial owner of BD1.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
BD1 Investment Holding, LLC
1675 SOUTH STATE STREET, SUITE B
DOVER, DE 19901

X

Kuhn Johannes
70-72 MUEHLENWEG
L-2155 LUXEMBOURG 

X

Kuhn Ute
70-72 MUEHLENWEG
L-2155 LUXEMBOURG 

X


Signatures
/s/ Todd Steadman, Manager of BD1 Investment Holding, LLC and attorney-in-fact for Johannes Kuhn and Ute Kuhn 3/2/2021
**Signature of Reporting Person Date