SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES 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: 3235-0104 Estimated average burden hours per response: 0.5

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)	2. Date of Event Requiring Statement (Month/Day/Year) 01/25/2022	3. Issuer Name and Ticker or Trading Symbol Solid Power, Inc. [ SDLP ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)	5. 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 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)
Common Stock, par value $0.0001 per share	8,390,000	I	See footnotes(2)(5)
Common Stock, par value $0.0001 per share	6,798,303	I	See footnotes(3)(5)
Common Stock, par value $0.0001 per share	485,112	I	See footnotes(4)(5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: 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
Warrants (right to buy)	03/26/2022	(1)	Common Stock, par value $0.0001 per share	7,367,353	$11.5	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. The warrants will expire on December 8, 2026, five years after the completion of the issuer's business combination which occurred on December 8, 2021, or earlier upon redemption or liquidation.

2. Decarbonization Plus Acquisition Sponsor III 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 Decarbonization Plus Acquisition Sponsor III LLC.

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 Decarbonization Plus Acquisition Sponsor III LLC, REL Batavia Partnership, LP and Riverstone SP Partners, LLC. Each such entity or 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.

Remarks:

Exhibit 24- Power of Attorney

	David M. Leuschen, By: /s/ Peter Haskopoulos, Attorney-in-fact	02/14/2022
	Pierre F. Lapeyre, Jr., By: /s/ Peter Haskopoulos, Attorney-in-fact	02/14/2022
	** 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 5 (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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.