SLDP

SEC source: 0001891897-22-000003 · primary_doc.xml · nonDerivative · entry 1

STEPHENS JOHN JOSEPH · CIK 0001258391 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · by LP

Disclosed balance after: 55,505

F1 · price: This transaction was executed in multiple trades at prices ranging from $6.515 to $6.56. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001879903-22-000002 · primary_doc.xml · nonDerivative · entry 1

Campbell Douglas M · CIK 0001879903 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,050,214

F1 · kind: The proceeds of these sales will be used primarily to cover the reporting person's tax liability arising from option exercises.

F2 · price: This transaction was executed in multiple trades at prices ranging from $6.335 to $6.865. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001879903-22-000001 · primary_doc.xml · nonDerivative · entry 2

Campbell Douglas M · CIK 0001879903 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,300,214

F1 · kind: The proceeds of these sales will be used primarily to cover the reporting person's tax liability arising from option exercises.

F3 · price: This transaction was executed in multiple trades at prices ranging from $6.60 to $6.87. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001879903-22-000001 · primary_doc.xml · nonDerivative · entry 1

Campbell Douglas M · CIK 0001879903 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,550,214

F1 · kind: The proceeds of these sales will be used primarily to cover the reporting person's tax liability arising from option exercises.

F2 · price: This transaction was executed in multiple trades at prices ranging from $6.80 to $6.975. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001891897-22-000002 · primary_doc.xml · nonDerivative · entry 1

STEPHENS JOHN JOSEPH · CIK 0001258391 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · by LP

Disclosed balance after: 30,505

F1 · price: This transaction was executed in multiple trades at prices ranging from $7.13 to $7.14. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001891897-22-000001 · primary_doc.xml · nonDerivative · entry 1

STEPHENS JOHN JOSEPH · CIK 0001258391 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · by LP

Disclosed balance after: 13,216

F1 · price: This transaction was executed in multiple trades at prices ranging from $6.851 to $6.94. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F2 · ownership.nature: The reporting person and his spouse own 99% of the Limited Partnership ("LP"). The remaining 1% is held by the general partner. The general partner of the LP is a limited liability company owned by the reporting person and his spouse and managed solely by the reporting person.

SEC source: 0001104659-22-080518 · tm2221240-2_4seq1.xml · nonDerivative · entry 1

Wright Mary Ann · CIK 0001354116 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,227

F1 · shares: Represents restricted stock units, which upon vesting of the unit, represent the right to receive one share of the issuer's common stock. The restricted stock units vest in 12 equal installments commencing on August 15, 2022 and then quarterly thereafter on February 15, May 15, August 15, and November 15 of each year, subject to the reporting person continuing to be a service provider (as defined in the Company's 2021 Equity Incentive Plan) through the applicable vesting date.

SEC source: 0001104659-22-079450 · tm2220920-1_4seq1.xml · nonDerivative · entry 2

Jansen David B · CIK 0001882291 · Director · President

10b5-1 filing: Not disclosed

Ownership: Indirect · by Trust

Disclosed balance after: 795,495

F1 · kind: Represents the transfer of 795,495 shares of common stock from the reporting person to the Jean and David Jansen Living Trust, of which the reporting person is a trustee and in such capacity, has the right to exercise voting and investment power over such shares of common stock.

SEC source: 0001104659-22-079450 · tm2220920-1_4seq1.xml · nonDerivative · entry 1

Jansen David B · CIK 0001882291 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 94,611

F1 · kind: Represents the transfer of 795,495 shares of common stock from the reporting person to the Jean and David Jansen Living Trust, of which the reporting person is a trustee and in such capacity, has the right to exercise voting and investment power over such shares of common stock.

SEC source: 0001104659-22-075095 · tm2219546-1_4seq1.xml · nonDerivative · entry 1

Campbell Douglas M · CIK 0001879903 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,800,214

F1 · shares: This was a bona fide gift to The University of New Mexico Foundation, Inc.

SEC source: 0001899514-22-000002 · primary_doc.xml · nonDerivative · entry 3

Volta Energy Technologies, LLC · CIK 0001899514 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Volta SPW Co-investment, LP

Disclosed balance after: 3,137,745

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.20 to $6.50, inclusive. The reporting person undertakes to provide to Solid Power, Inc., any security holder of Solid Power, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote 1.

F4 · ownership.nature: Securities owned by Volta SPW Co-investment, LP ("Volta Co-Invest"). The General Partner of Volta Co-invest, Volta Energy Storage Fund I GP, LLC, is a wholly owned subsidiary of the Reporting Person.

SEC source: 0001899514-22-000002 · primary_doc.xml · nonDerivative · entry 2

Volta Energy Technologies, LLC · CIK 0001899514 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Volta Energy Storage Fund I, LP

Disclosed balance after: 2,246,794

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.20 to $6.50, inclusive. The reporting person undertakes to provide to Solid Power, Inc., any security holder of Solid Power, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote 1.

F3 · ownership.nature: Securities owned by Volta Energy Storage Fund I, LP ("VESF"). The General Partner of VESF, Volta Energy Storage Fund I GP, LLC, is a wholly owned subsidiary of the Reporting Person.

SEC source: 0001899514-22-000002 · primary_doc.xml · nonDerivative · entry 1

Volta Energy Technologies, LLC · CIK 0001899514 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Volta SPV SPW, LLC

Disclosed balance after: 12,015,268

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.20 to $6.50, inclusive. The reporting person undertakes to provide to Solid Power, Inc., any security holder of Solid Power, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote 1.

F2 · ownership.nature: Securities owned directly by Volta SPV SPW, LLC ("Volta SPV"). The Reporting Person is the Managing member of Volta SPV.

SEC source: 0001104659-22-070922 · tm2218360-1_4seq1.xml · nonDerivative · entry 1

Liebscher James · CIK 0001891897 · Chief Legal Officer & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 161,612

F1 · shares: Represents shares of the issuer's common stock withheld to satisfy the reporting person's tax obligation upon the vesting of restricted stock units.

SEC source: 0001899514-22-000001 · primary_doc.xml · nonDerivative · entry 6

Volta Energy Technologies, LLC · CIK 0001899514 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Volta SPW Co-investment, LP

Disclosed balance after: 3,171,569

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.00 to $7.03, inclusive.

F5 · ownership.nature: Securities owned by Volta SPW Co-investment, LP ("Volta Co-Invest"). The General Partner of Volta Co-invest, Volta Energy Storage Fund I GP, LLC, is a wholly owned subsidiary of the Reporting Person.

SEC source: 0001899514-22-000001 · primary_doc.xml · nonDerivative · entry 4

Volta Energy Technologies, LLC · CIK 0001899514 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Volta Energy Storage Fund I, LP

Disclosed balance after: 2,434,196

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.00 to $7.03, inclusive.

F4 · ownership.nature: Securities owned by Volta Energy Storage Fund I, LP ("VESF"). The General Partner of VESF, Volta Energy Storage Fund I GP, LLC, is a wholly owned subsidiary of the Reporting Person.

SEC source: 0001899514-22-000001 · primary_doc.xml · nonDerivative · entry 2

Volta Energy Technologies, LLC · CIK 0001899514 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Volta SPV SPW, LLC

Disclosed balance after: 12,251,121

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.00 to $7.03, inclusive.

F2 · ownership.nature: Securities owned directly by Volta SPV SPW, LLC ("Volta SPV"). The Reporting Person is the Managing member of Volta SPV.

SEC source: 0001899514-22-000001 · primary_doc.xml · nonDerivative · entry 5

Volta Energy Technologies, LLC · CIK 0001899514 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Volta SPW Co-investment, LP

Disclosed balance after: 3,171,872

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.02 to $7.21, inclusive. The reporting person undertakes to provide to Solid Power, Inc., any security holder of Solid Power, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes 1 and 3 to this Form 4.

F5 · ownership.nature: Securities owned by Volta SPW Co-investment, LP ("Volta Co-Invest"). The General Partner of Volta Co-invest, Volta Energy Storage Fund I GP, LLC, is a wholly owned subsidiary of the Reporting Person.

SEC source: 0001899514-22-000001 · primary_doc.xml · nonDerivative · entry 3

Volta Energy Technologies, LLC · CIK 0001899514 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Volta Energy Storage Fund I, LP

Disclosed balance after: 2,435,877

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.02 to $7.21, inclusive. The reporting person undertakes to provide to Solid Power, Inc., any security holder of Solid Power, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes 1 and 3 to this Form 4.

F4 · ownership.nature: Securities owned by Volta Energy Storage Fund I, LP ("VESF"). The General Partner of VESF, Volta Energy Storage Fund I GP, LLC, is a wholly owned subsidiary of the Reporting Person.

SEC source: 0001899514-22-000001 · primary_doc.xml · nonDerivative · entry 1

Volta Energy Technologies, LLC · CIK 0001899514 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Volta SPV SPW, LLC

Disclosed balance after: 12,253,237

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.02 to $7.21, inclusive. The reporting person undertakes to provide to Solid Power, Inc., any security holder of Solid Power, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes 1 and 3 to this Form 4.

F2 · ownership.nature: Securities owned directly by Volta SPV SPW, LLC ("Volta SPV"). The Reporting Person is the Managing member of Volta SPV.

SEC source: 0001104659-22-065094 · tm2216960-2_4seq1.xml · nonDerivative · entry 1

Roe Lesa B · CIK 0001903970 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,579

F1 · shares: Represents restriced stock units, which upon vesting of the unit, represent the right to receive one share of the issuer's common stock. The restricted stock units vest upon the earlier of: (i) the first anniversary of the grant date or (ii) the day before the Company's next annual meeting of stockholders, in each case, subject to the reporting person continuing to be a service provider (as defined in the Company's 2021 Equity Incentive Plan) through the applicable vesting date.

SEC source: 0001104659-22-065092 · tm2216960-1_4seq1.xml · nonDerivative · entry 1

Goldberg Steven H · CIK 0001879989 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,700

F1 · shares: Represents restriced stock units, which upon vesting of the unit, represent the right to receive one share of the issuer's common stock. The restricted stock units vest upon the earlier of: (i) the first anniversary of the grant date or (ii) the day before the Company's next annual meeting of stockholders, in each case, subject to the reporting person continuing to be a service provider (as defined in the Company's 2021 Equity Incentive Plan) through the applicable vesting date.

SEC source: 0001104659-22-065096 · tm2216960-4_4seq1.xml · nonDerivative · entry 1

STEPHENS JOHN JOSEPH · CIK 0001258391 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,700

F1 · shares: Represents restriced stock units, which upon vesting of the unit, represent the right to receive one share of the issuer's common stock. The restricted stock units vest upon the earlier of: (i) the first anniversary of the grant date or (ii) the day before the Company's next annual meeting of stockholders, in each case, subject to the reporting person continuing to be a service provider (as defined in the Company's 2021 Equity Incentive Plan) through the applicable vesting date.

SEC source: 0001104659-22-065095 · tm2216960-3_4seq1.xml · nonDerivative · entry 1

Miziolek Aleksandra A · CIK 0001599142 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,559

F1 · shares: Represents restriced stock units, which upon vesting of the unit, represent the right to receive one share of the issuer's common stock. The restricted stock units vest upon the earlier of: (i) the first anniversary of the grant date or (ii) the day before the Company's next annual meeting of stockholders, in each case, subject to the reporting person continuing to be a service provider (as defined in the Company's 2021 Equity Incentive Plan) through the applicable vesting date.

SEC source: 0001104659-22-060470 · tm2215575-3_4seq1.xml · derivative · entry 2

Jacobs Jon Eric · CIK 0001886468 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 107,221

Underlying: Common Stock · 107,221 shares

Expires 2032-05-12

F2 · derivative.exercise_date: 25% of the shares issuable upon exercise of the option will vest in four equal annual installments commencing on May 12, 2023, subject to the reporting person continuing to be a service provider (as defined in the Company's 2021 Equity Incentive Plan) through the applicable vesting date.

SEC source: 0001104659-22-060470 · tm2215575-3_4seq1.xml · nonDerivative · entry 1

Jacobs Jon Eric · CIK 0001886468 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,728

F1 · shares: Represents restriced stock units, which upon vesting of the unit, represent the right to receive one share of the issuer's common stock. The restricted stock units vest in four equal annual installments commencing on May 12, 2023, subject to the reporting person continuing to be a service provider (as defined in the Company's 2021 Equity Incentive Plan) through the applicable vesting date.

SEC source: 0001104659-22-060489 · tm2215575-5_4seq1.xml · derivative · entry 2

Johnson Derek Colby · CIK 0001882289 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 207,049

Underlying: Common Stock · 207,049 shares

Expires 2032-05-12

F2 · derivative.exercise_date: 25% of the shares issuable upon exercise of the option will vest in four equal annual installments commencing on May 12, 2023, subject to the reporting person continuing to be a service provider (as defined in the Company's 2021 Equity Incentive Plan) through the applicable vesting date.

SEC source: 0001104659-22-060489 · tm2215575-5_4seq1.xml · nonDerivative · entry 1

Johnson Derek Colby · CIK 0001882289 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 88,304

F1 · shares: Represents restriced stock units, which upon vesting of the unit, represent the right to receive one share of the issuer's common stock. The restricted stock units vest in four equal annual installments commencing on May 12, 2023, subject to the reporting person continuing to be a service provider (as defined in the Company's 2021 Equity Incentive Plan) through the applicable vesting date.

SEC source: 0001104659-22-060480 · tm2215575-4_4seq1.xml · derivative · entry 2

Jansen David B · CIK 0001882291 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 221,838

Underlying: Common Stock · 221,838 shares

Expires 2032-05-12

F2 · derivative.exercise_date: 25% of the shares issuable upon exercise of the option will vest in four equal annual installments commencing on May 12, 2023, subject to the reporting person continuing to be a service provider (as defined in the Company's 2021 Equity Incentive Plan) through the applicable vesting date.

SEC source: 0001104659-22-060480 · tm2215575-4_4seq1.xml · nonDerivative · entry 1

Jansen David B · CIK 0001882291 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 890,106

F1 · shares: Represents restriced stock units, which upon vesting of the unit, represent the right to receive one share of the issuer's common stock. The restricted stock units vest in four equal annual installments commencing on May 12, 2023, subject to the reporting person continuing to be a service provider (as defined in the Company's 2021 Equity Incentive Plan) through the applicable vesting date.

SEC source: 0001104659-22-060458 · tm2215575-1_4seq1.xml · derivative · entry 2

Buettner-Garrett Joshua · CIK 0001880162 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 118,313

Underlying: Common Stock · 118,313 shares

Expires 2032-05-12

F2 · derivative.exercise_date: 25% of the shares issuable upon exercise of the option will vest in four equal annual installments commencing on May 12, 2023, subject to the reporting person continuing to be a service provider (as defined in the Company's 2021 Equity Incentive Plan) through the applicable vesting date.

SEC source: 0001104659-22-060458 · tm2215575-1_4seq1.xml · nonDerivative · entry 1

Buettner-Garrett Joshua · CIK 0001880162 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,459

F1 · shares: Represents restriced stock units, which upon vesting of the unit, represent the right to receive one share of the issuer's common stock. The restricted stock units vest in four equal annual installments commencing on May 12, 2023, subject to the reporting person continuing to be a service provider (as defined in the Company's 2021 Equity Incentive Plan) through the applicable vesting date.

SEC source: 0001104659-22-060465 · tm2215575-2_4seq1.xml · derivative · entry 2

Campbell Douglas M · CIK 0001879903 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 443,676

Underlying: Common Stock · 443,676 shares

Expires 2032-05-12

F2 · derivative.exercise_date: 25% of the shares issuable upon exercise of the option will vest in four equal annual installments commencing on May 12, 2023, subject to the reporting person continuing to be a service provider (as defined in the Company's 2021 Equity Incentive Plan) through the applicable vesting date.

SEC source: 0001104659-22-060465 · tm2215575-2_4seq1.xml · nonDerivative · entry 1

Campbell Douglas M · CIK 0001879903 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,962,552

F1 · shares: Represents restriced stock units, which upon vesting of the unit, represent the right to receive one share of the issuer's common stock. The restricted stock units vest in four equal annual installments commencing on May 12, 2023, subject to the reporting person continuing to be a service provider (as defined in the Company's 2021 Equity Incentive Plan) through the applicable vesting date.

SEC source: 0001104659-22-060502 · tm2215575-7_4seq1.xml · derivative · entry 2

Paprzycki Kevin A. · CIK 0001738972 · CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 177,470

Underlying: Common Stock · 177,470 shares

Expires 2032-05-12

F2 · derivative.exercise_date: 25% of the shares issuable upon exercise of the option will vest in four equal annual installments commencing on May 12, 2023, subject to the reporting person continuing to be a service provider (as defined in the Company's 2021 Equity Incentive Plan) through the applicable vesting date.

SEC source: 0001104659-22-060502 · tm2215575-7_4seq1.xml · nonDerivative · entry 1

Paprzycki Kevin A. · CIK 0001738972 · CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,689

F1 · shares: Represents restriced stock units, which upon vesting of the unit, represent the right to receive one share of the issuer's common stock. The restricted stock units vest in four equal annual installments commencing on May 12, 2023, subject to the reporting person continuing to be a service provider (as defined in the Company's 2021 Equity Incentive Plan) through the applicable vesting date.

SEC source: 0001104659-22-060497 · tm2215575-6_4seq1.xml · derivative · entry 4

Liebscher James · CIK 0001891897 · Chief Legal Officer & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 125,708

Underlying: Common Stock · 125,708 shares

Expires 2032-05-12

F4 · derivative.exercise_date: 25% of the shares issuable upon exercise of the option will vest in four equal annual installments commencing on May 12, 2023, subject to the reporting person continuing to be a service provider (as defined in the Company's 2021 Equity Incentive Plan) through the applicable vesting date.

SEC source: 0001104659-22-060497 · tm2215575-6_4seq1.xml · derivative · entry 3

Liebscher James · CIK 0001891897 · Chief Legal Officer & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 273,009

Underlying: Common Stock · 273,009 shares

Expires 2032-05-12

F3 · derivative.exercise_date: 25% of the shares issuable upon exercise of the option will vest in four equal annual installments commencing on June 11, 2022, subject to the reporting person continuing to be a service provider (as defined in the Company's 2021 Equity Incentive Plan) through the applicable vesting date.

SEC source: 0001104659-22-060497 · tm2215575-6_4seq1.xml · nonDerivative · entry 2

Liebscher James · CIK 0001891897 · Chief Legal Officer & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 170,048

F2 · shares: Represents restriced stock units, which upon vesting of the unit, represent the right to receive one share of the issuer's common stock. The restricted stock units vest in four equal annual installments commencing on May 12, 2023, subject to the reporting person continuing to be a service provider (as defined in the Company's 2021 Equity Incentive Plan) through the applicable vesting date.

SEC source: 0001104659-22-060497 · tm2215575-6_4seq1.xml · nonDerivative · entry 1

Liebscher James · CIK 0001891897 · Chief Legal Officer & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 116,435

F1 · shares: Represents restriced stock units, which upon vesting of the unit, represent the right to receive one share of the issuer's common stock. The restricted stock units vest in four equal annual installments commencing on June 11, 2022, subject to the reporting person continuing to be a service provider (as defined in the Company's 2021 Equity Incentive Plan) through the applicable vesting date.

SEC source: 0001104659-22-041523 · tm2210577-1_4seq1.xml · nonDerivative · entry 1

Roe Lesa B · CIK 0001903970 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,879

F1 · shares: Represents restriced stock units, which upon vesting of the unit, represent the contingent right to receive one share of the issuer's common stock. The restricted stock units vest in 12 equal installments commencing on the Transaction Date and then quarterly thereafter on February 15, May 15, August 15, and November 15 of each year, subject to the reporting person continuing to be a service provider (as defined in the Company's 2021 Equity Incentive Plan) through the applicable vesting date.

SEC source: 0001104659-22-041525 · tm2210577-2_4seq1.xml · nonDerivative · entry 1

Miziolek Aleksandra A · CIK 0001599142 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,859

F1 · shares: Represents restriced stock units, which upon vesting of the unit, represent the contingent right to receive one share of the issuer's common stock. The restricted stock units vest in 12 equal installments commencing on the Transaction Date and then quarterly thereafter on February 15, May 15, August 15, and November 15 of each year, subject to the reporting person continuing to be a service provider (as defined in the Company's 2021 Equity Incentive Plan) through the applicable vesting date.

SEC source: 0001104659-22-004054 · tm222831-1_4seq1.xml · derivative · entry 2

Campbell Douglas M · CIK 0001879903 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,091,169 shares

Expires 2022-02-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001104659-22-004054 · tm222831-1_4seq1.xml · nonDerivative · entry 1

Campbell Douglas M · CIK 0001879903 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,773,329

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001104659-21-147780 · tm2134826-15_4seq1.xml · derivative · entry 1

Jacobs Jon Eric · CIK 0001886468 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,034,143

Underlying: Common Stock · 1,034,143 shares

Expires 2031-10-19

F2 · price: On December 8, 2021, the Issuer completed the merger (the "Merger") pursuant to the as amended Business Combination Agreement and Plan of Reorganization, by and among the Issuer, a wholly owned subsidiary of the Issuer, and Solid Power, Inc. ("Solid Power"). At the effective time of the Merger (the "Effective Time"), each Solid Power option was converted into an option to purchase a number of shares of Common Stock of the Issuer, equal to the product (rounded down to the nearest whole number) of (x) the number of shares of Solid Power Common Stock subject to such Solid Power Option immediately prior to the Effective Time and (y) an exchange ratio calculated at closing (the "Exchange Ratio"), at an exercise price per share (rounded up to the nearest whole cent) equal to (A) the exercise price per share of such Solid Power Option immediately prior to the Effective Time divided by (B) the Exchange Ratio.

F1 · derivative.exercise_date: 25% of the total number of shares issuable upon exercise of the option will vest on October 18, 2022, and 1/36 of the remaining shares issuable upon exercise of the option vest monthly thereafter.

F2 · derivative.underlying_shares: On December 8, 2021, the Issuer completed the merger (the "Merger") pursuant to the as amended Business Combination Agreement and Plan of Reorganization, by and among the Issuer, a wholly owned subsidiary of the Issuer, and Solid Power, Inc. ("Solid Power"). At the effective time of the Merger (the "Effective Time"), each Solid Power option was converted into an option to purchase a number of shares of Common Stock of the Issuer, equal to the product (rounded down to the nearest whole number) of (x) the number of shares of Solid Power Common Stock subject to such Solid Power Option immediately prior to the Effective Time and (y) an exchange ratio calculated at closing (the "Exchange Ratio"), at an exercise price per share (rounded up to the nearest whole cent) equal to (A) the exercise price per share of such Solid Power Option immediately prior to the Effective Time divided by (B) the Exchange Ratio.

SEC source: 0001104659-21-147776 · tm2134826-13_4seq1.xml · derivative · entry 2

Johnson Derek Colby · CIK 0001882289 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,909,187

Underlying: Common Stock · 954,593 shares

Expires 2031-08-03

F2 · price: On December 8, 2021, the Issuer completed the merger (the "Merger") pursuant to the as amended Business Combination Agreement and Plan of Reorganization, by and among the Issuer, a wholly owned subsidiary of the Issuer, and Solid Power, Inc. ("Solid Power"). At the effective time of the Merger (the "Effective Time"), each Solid Power option was converted into an option to purchase a number of shares of Common Stock of the Issuer, equal to the product (rounded down to the nearest whole number) of (x) the number of shares of Solid Power Common Stock subject to such Solid Power Option immediately prior to the Effective Time and (y) an exchange ratio calculated at closing (the "Exchange Ratio"), at an exercise price per share (rounded up to the nearest whole cent) equal to (A) the exercise price per share of such Solid Power Option immediately prior to the Effective Time divided by (B) the Exchange Ratio.

F3 · derivative.exercise_date: 25% of the total number of shares issuable upon exercise of the option will vest on August 3, 2022, and 1/36 of the remaining shares issuable upon exercise of the option vested or will vest, as applicable, monthly thereafter.

F2 · derivative.underlying_shares: On December 8, 2021, the Issuer completed the merger (the "Merger") pursuant to the as amended Business Combination Agreement and Plan of Reorganization, by and among the Issuer, a wholly owned subsidiary of the Issuer, and Solid Power, Inc. ("Solid Power"). At the effective time of the Merger (the "Effective Time"), each Solid Power option was converted into an option to purchase a number of shares of Common Stock of the Issuer, equal to the product (rounded down to the nearest whole number) of (x) the number of shares of Solid Power Common Stock subject to such Solid Power Option immediately prior to the Effective Time and (y) an exchange ratio calculated at closing (the "Exchange Ratio"), at an exercise price per share (rounded up to the nearest whole cent) equal to (A) the exercise price per share of such Solid Power Option immediately prior to the Effective Time divided by (B) the Exchange Ratio.

SEC source: 0001104659-21-147776 · tm2134826-13_4seq1.xml · derivative · entry 1

Johnson Derek Colby · CIK 0001882289 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 954,594

Underlying: Common Stock · 954,594 shares

Expires 2030-01-30

F2 · price: On December 8, 2021, the Issuer completed the merger (the "Merger") pursuant to the as amended Business Combination Agreement and Plan of Reorganization, by and among the Issuer, a wholly owned subsidiary of the Issuer, and Solid Power, Inc. ("Solid Power"). At the effective time of the Merger (the "Effective Time"), each Solid Power option was converted into an option to purchase a number of shares of Common Stock of the Issuer, equal to the product (rounded down to the nearest whole number) of (x) the number of shares of Solid Power Common Stock subject to such Solid Power Option immediately prior to the Effective Time and (y) an exchange ratio calculated at closing (the "Exchange Ratio"), at an exercise price per share (rounded up to the nearest whole cent) equal to (A) the exercise price per share of such Solid Power Option immediately prior to the Effective Time divided by (B) the Exchange Ratio.

F1 · derivative.exercise_date: 25% of the total number of shares issuable upon exercise of the option vested on January 27, 2021, and 1/36 of the remaining shares issuable upon exercise of the option vested or will vest, as applicable, monthly thereafter.

F2 · derivative.underlying_shares: On December 8, 2021, the Issuer completed the merger (the "Merger") pursuant to the as amended Business Combination Agreement and Plan of Reorganization, by and among the Issuer, a wholly owned subsidiary of the Issuer, and Solid Power, Inc. ("Solid Power"). At the effective time of the Merger (the "Effective Time"), each Solid Power option was converted into an option to purchase a number of shares of Common Stock of the Issuer, equal to the product (rounded down to the nearest whole number) of (x) the number of shares of Solid Power Common Stock subject to such Solid Power Option immediately prior to the Effective Time and (y) an exchange ratio calculated at closing (the "Exchange Ratio"), at an exercise price per share (rounded up to the nearest whole cent) equal to (A) the exercise price per share of such Solid Power Option immediately prior to the Effective Time divided by (B) the Exchange Ratio.

SEC source: 0001104659-21-147775 · tm2134826-12_4seq1.xml · derivative · entry 3

Jansen David B · CIK 0001882291 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,863,781

Underlying: Common Stock · 1,272,791 shares

Expires 2031-08-03

F3 · price: At the Effective Time, each Solid Power option was converted into an option to purchase a number of shares of Common Stock of the Issuer, equal to the product (rounded down to the nearest whole number) of (x) the number of shares of Solid Power Common Stock subject to such Solid Power Option immediately prior to the Effective Time and (y) the Exchange Ratio, at an exercise price per share (rounded up to the nearest whole cent) equal to (A) the exercise price per share of such Solid Power Option immediately prior to the Effective Time divided by (B) the Exchange Ratio.

F4 · derivative.exercise_date: 25% of the shares issuable upon exercise of the option will vest on August 3, 2022, and 1/36 of the remaining shares issuable upon exercise of the option will vest monthly thereafter.

F3 · derivative.underlying_shares: At the Effective Time, each Solid Power option was converted into an option to purchase a number of shares of Common Stock of the Issuer, equal to the product (rounded down to the nearest whole number) of (x) the number of shares of Solid Power Common Stock subject to such Solid Power Option immediately prior to the Effective Time and (y) the Exchange Ratio, at an exercise price per share (rounded up to the nearest whole cent) equal to (A) the exercise price per share of such Solid Power Option immediately prior to the Effective Time divided by (B) the Exchange Ratio.

SEC source: 0001104659-21-147775 · tm2134826-12_4seq1.xml · derivative · entry 2

Jansen David B · CIK 0001882291 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,590,990

Underlying: Common Stock · 1,590,990 shares

Expires 2027-02-01

F3 · price: At the Effective Time, each Solid Power option was converted into an option to purchase a number of shares of Common Stock of the Issuer, equal to the product (rounded down to the nearest whole number) of (x) the number of shares of Solid Power Common Stock subject to such Solid Power Option immediately prior to the Effective Time and (y) the Exchange Ratio, at an exercise price per share (rounded up to the nearest whole cent) equal to (A) the exercise price per share of such Solid Power Option immediately prior to the Effective Time divided by (B) the Exchange Ratio.

F3 · derivative.underlying_shares: At the Effective Time, each Solid Power option was converted into an option to purchase a number of shares of Common Stock of the Issuer, equal to the product (rounded down to the nearest whole number) of (x) the number of shares of Solid Power Common Stock subject to such Solid Power Option immediately prior to the Effective Time and (y) the Exchange Ratio, at an exercise price per share (rounded up to the nearest whole cent) equal to (A) the exercise price per share of such Solid Power Option immediately prior to the Effective Time divided by (B) the Exchange Ratio.

SEC source: 0001104659-21-147775 · tm2134826-12_4seq1.xml · nonDerivative · entry 1

Jansen David B · CIK 0001882291 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 795,495

F1 · shares: Reflects shares of Common Stock, par value $0.0001, of the Issuer acquired upon the completion of the merger (the "Merger") pursuant to the as amended Business Combination Agreement and Plan of Reorganization, by and among the Issuer, a wholly owned subsidiary of the Issuer, and Solid Power, Inc. ("Solid Power"). At the effective time of the Merger (the "Effective Time"), each share of Solid Power common stock issued and outstanding immediately prior to the Effective Time was canceled and converted into the right to receive the number of shares of Common Stock of the Issuer equal to an exchange ratio calculated at closing (the "Exchange Ratio").

F2 · price: In connection with the Merger, at the Effective Time, each share of Solid Power common stock issued and outstanding immediately prior to the Effective Time was canceled and converted into the right to receive the number of shares of Common Stock of the Issuer equal to the Exchange Ratio.