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
X	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* LEUSCHEN DAVID M (Last) (First) (Middle) C/O RIVERSTONE HOLDINGS LLC 712 FIFTH AVENUE, 36TH FLOOR (Street) NEW YORK NY 10019 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol Solid Power, Inc. [ SLDP ]	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) 01/25/2023
	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, par value $0.0001 per share	01/26/2023		J(1)		3,651,546	D	(1)	4,738,454	I(2)(5)	By Decarbonization Plus Acquisition Sponsor III LLC
Common Stock, par value $0.0001 per share								6,798,303	I(3)(5)	By REL Batavia Partnership, LP
Common Stock, par value $0.0001 per share								485,112	I(4)(5)	By Riverstone SP Partners, LLC

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
Warrants (right to buy)	$11.5	01/25/2023		S			89,866	03/26/2022	12/08/2026	Common Stock, par value $0.0001 per share	89,866	$0.66(6)	7,277,487	I	See Footnotes(2)(5)
Warrants (right to buy)	$11.5	01/26/2023		S			20,528	03/26/2022	12/08/2026	Common Stock, par value $0.0001 per share	20,528	$0.67(7)	7,256,959	I	See Footnotes(2)(5)

1. Name and Address of Reporting Person* LEUSCHEN DAVID M (Last) (First) (Middle) C/O RIVERSTONE HOLDINGS LLC 712 FIFTH AVENUE, 36TH FLOOR (Street) NEW YORK NY 10019 (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* LAPEYRE PIERRE F JR (Last) (First) (Middle) C/O RIVERSTONE HOLDINGS LLC 712 FIFTH AVENUE, 36TH FLOOR (Street) NEW YORK NY 10019 (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 January 26, 2023, Decarbonization Plus Acquisition Sponsor III LLC ("DCRC Sponsor") distributed 3,651,546 shares of common stock, par value $0.0001 ("Common Stock"), of Solid Power, Inc. (the "Issuer") to its members pro rata.

2. DCRC Sponsor is the record holder of these securities. David M. Leuschen and Pierre F. Lapeyre, Jr. are the managing directors of Riverstone Holdings LLC, which controls DCRC Sponsor.

3. REL Batavia Partnership, LP is the record holder of these securities. David M. Leuschen and Pierre F. Lapeyre, Jr. are the sole members of the ultimate general partner of REL Batavia Partnership, LP.

4. Riverstone SP Partners, LLC is the record holder of these securities. David M. Leuschen and Pierre F. Lapeyre, Jr. are the managing directors of Riverstone Holdings LLC, which is the managing member of Riverstone SP Partners, LLC.

5. Each of Mr. Leuschen and Mr. Lapeyre may be deemed to have or share beneficial ownership of the securities held directly by DCRC Sponsor, REL Batavia Partnership, LP and Riverstone SP Partners, LLC. Each such person disclaims any such beneficial ownership of such securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or for any other purpose.

6. The price reported in Column 8 of Table II is a weighted average price. The warrants were sold in multiple transactions at prices ranging from $0.65 to $0.75, inclusive. The reporting persons will provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, information regarding the number of warrants sold at each price within the range.

7. The price reported in Column 8 of Table II is a weighted average price. The warrants were sold in multiple transactions at prices ranging from $0.65 to $0.67, inclusive. The reporting persons will provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, information regarding the number of warrants sold at each price within the range.

Remarks:

	David M. Leuschen By: /s/ Peter Haskopoulos, Title: Attorney-in-Fact	01/26/2023
	Pierre F. Lapeyre, Jr. By: /s/ Peter Haskopoulos, Title: Attorney-in-Fact	01/26/2023
	** Signature of Reporting Person	Date
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* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
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