{"transactions":[{"id":768187,"issuer":{"id":5427,"kind":"organization","name":"Solid Power, Inc."},"owners":[{"id":45287,"kind":"person","name":"Roe Lesa B","position":1,"cik":"0001903970","reported_name":"Roe Lesa B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-21T21:37:14.000Z","date":"2026-05-20","kind":"sale","planned":true,"acquired":false,"shares":39207,"price":2.66,"value":104290.62,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"This sale was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 23, 2025 (the \"10b5-1 Plan\"). The 10b5-1 Plan was established to cover the reporting person's tax liability arising from vesting of restricted stock units."}],"balance_after":243975,"source":{"system":"sec-edgar","filing":"0001844862-26-000016","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1903970/000184486226000016/primary_doc.xml","form_type":"4"}},{"id":768186,"issuer":{"id":5427,"kind":"organization","name":"Solid Power, Inc."},"owners":[{"id":45287,"kind":"person","name":"Roe Lesa B","position":1,"cik":"0001903970","reported_name":"Roe Lesa B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-21T21:37:14.000Z","date":"2026-05-20","kind":"grant","planned":true,"acquired":true,"shares":44133,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"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 upon the earlier of: (i) the first anniversary of the grant date or (ii) the day before the issuer's next annual meeting of stockholders following the grant date, in each case, subject to the reporting person continuing to be a service provider (as defined in the Solid Power, Inc. 2021 Equity Incentive Plan) through such vesting date."}],"balance_after":283182,"source":{"system":"sec-edgar","filing":"0001844862-26-000016","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1903970/000184486226000016/primary_doc.xml","form_type":"4"}},{"id":1129483,"issuer":{"id":5427,"kind":"organization","name":"Solid Power, Inc."},"owners":[{"id":45287,"kind":"person","name":"Roe Lesa B","position":1,"cik":"0001903970","reported_name":"Roe Lesa B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-30T20:31:45.000Z","date":"2025-05-29","kind":"sale","planned":false,"acquired":false,"shares":29000,"price":1.69,"value":49010.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction was executed in multiple trades at prices ranging from $1.69 to $1.695. 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."}],"balance_after":239049,"source":{"system":"sec-edgar","filing":"0001903970-25-000004","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1903970/000190397025000004/primary_doc.xml","form_type":"4"}},{"id":1137504,"issuer":{"id":5427,"kind":"organization","name":"Solid Power, Inc."},"owners":[{"id":45287,"kind":"person","name":"Roe Lesa B","position":1,"cik":"0001903970","reported_name":"Roe Lesa B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-22T17:20:23.000Z","date":"2025-05-21","kind":"grant","planned":false,"acquired":true,"shares":118808,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"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 upon the earlier of: (i) the first anniversary of the grant date or (ii) the day before the issuer's next annual meeting of stockholders following the grant date, in each case, subject to the reporting person continuing to be a service provider (as defined in the Solid Power, Inc. 2021 Equity Incentive Plan) through such vesting date."}],"balance_after":268049,"source":{"system":"sec-edgar","filing":"0001903970-25-000003","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1903970/000190397025000003/primary_doc.xml","form_type":"4"}},{"id":1434974,"issuer":{"id":5427,"kind":"organization","name":"Solid Power, Inc."},"owners":[{"id":45287,"kind":"person","name":"Roe Lesa B","position":1,"cik":"0001903970","reported_name":"Roe Lesa B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-08-13T15:24:17.000Z","date":"2024-08-09","kind":"sale","planned":false,"acquired":false,"shares":27900,"price":1.351,"value":37692.9,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale was made to generate proceeds to cover the reporting person's tax liability arising from the vesting of restricted stock units."}],"balance_after":149241,"source":{"system":"sec-edgar","filing":"0001903970-24-000002","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1903970/000190397024000002/primary_doc.xml","form_type":"4"}},{"id":1503906,"issuer":{"id":5427,"kind":"organization","name":"Solid Power, Inc."},"owners":[{"id":45287,"kind":"person","name":"Roe Lesa B","position":1,"cik":"0001903970","reported_name":"Roe Lesa B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-05-23T19:01:04.000Z","date":"2024-05-22","kind":"grant","planned":false,"acquired":true,"shares":82365,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"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 upon the earlier of: (i) the first anniversary of the grant date or (ii) the day before the issuer's next annual meeting of stockholders following the grant date, in each case, subject to the reporting person continuing to be a service provider (as defined in the Solid Power, Inc. 2021 Equity Incentive Plan) through such vesting date."}],"balance_after":177141,"source":{"system":"sec-edgar","filing":"0001903970-24-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1903970/000190397024000001/primary_doc.xml","form_type":"4"}},{"id":1878406,"issuer":{"id":5427,"kind":"organization","name":"Solid Power, Inc."},"owners":[{"id":45287,"kind":"person","name":"Roe Lesa B","position":1,"cik":"0001903970","reported_name":"Roe Lesa B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-05-25T21:51:45.000Z","date":"2023-05-24","kind":"grant","planned":false,"acquired":true,"shares":59197,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"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 upon the earlier of: (i) the first anniversary of the grant date or (ii) the day before the issuer's next annual meeting of stockholders following the grant date, in each case, subject to the reporting person continuing to be a service provider (as defined in the 2021 Solid Power, Inc. Equity Incentive Plan) through such vesting date."}],"balance_after":94776,"source":{"system":"sec-edgar","filing":"0001903970-23-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1903970/000190397023000001/primary_doc.xml","form_type":"4"}},{"id":2255468,"issuer":{"id":5427,"kind":"organization","name":"Solid Power, Inc."},"owners":[{"id":45287,"kind":"person","name":"Roe Lesa B","position":1,"cik":"0001903970","reported_name":"Roe Lesa B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-05-26T16:04:24.000Z","date":"2022-05-25","kind":"grant","acquired":true,"shares":15700,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"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."}],"balance_after":35579,"source":{"system":"sec-edgar","filing":"0001104659-22-065094","document":"tm2216960-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1903970/000110465922065094/tm2216960-2_4seq1.xml","form_type":"4"}},{"id":2311521,"issuer":{"id":5427,"kind":"organization","name":"Solid Power, Inc."},"owners":[{"id":45287,"kind":"person","name":"Roe Lesa B","position":1,"cik":"0001903970","reported_name":"Roe Lesa B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-04-01T13:42:36.000Z","date":"2022-04-01","kind":"grant","acquired":true,"shares":19879,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"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."}],"balance_after":19879,"source":{"system":"sec-edgar","filing":"0001104659-22-041523","document":"tm2210577-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1903970/000110465922041523/tm2210577-1_4seq1.xml","form_type":"4"}}]}