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The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the SEC staff, the Issuer or a security holder of the Issuer, upon request, full information regarding the number of shares and prices at which the transaction was effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"A portion of these shares is subject to vesting."}],"balance_after":24296,"source":{"system":"sec-edgar","filing":"0001321732-25-000042","document":"wk-form4_1741221321.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1796068/000132173225000042/wk-form4_1741221321.xml","form_type":"4"}},{"id":1222717,"issuer":{"id":3430,"kind":"organization","name":"Penumbra Inc","symbol":"PEN"},"owners":[{"id":60003,"kind":"person","name":"Shiu Lambert","position":1,"cik":"0001796068","reported_name":"Shiu Lambert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2025-03-05T19:35:27.000Z","date":"2025-03-03","kind":"sale","planned":true,"acquired":false,"shares":348,"price":288.57,"value":100422.36,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"This transaction was executed in multiple trades at prices ranging from $288.53 to $288.63. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the SEC staff, the Issuer or a security holder of the Issuer, upon request, full information regarding the number of shares and prices at which the transaction was effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"A portion of these shares is subject to vesting."}],"balance_after":25252,"source":{"system":"sec-edgar","filing":"0001321732-25-000042","document":"wk-form4_1741221321.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1796068/000132173225000042/wk-form4_1741221321.xml","form_type":"4"}},{"id":1222716,"issuer":{"id":3430,"kind":"organization","name":"Penumbra Inc","symbol":"PEN"},"owners":[{"id":60003,"kind":"person","name":"Shiu Lambert","position":1,"cik":"0001796068","reported_name":"Shiu Lambert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2025-03-05T19:35:27.000Z","date":"2025-03-03","kind":"sale","planned":true,"acquired":false,"shares":2850,"price":286.28,"value":815898.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"This transaction was executed in multiple trades at prices ranging from $285.67 to $286.56. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the SEC staff, the Issuer or a security holder of the Issuer, upon request, full information regarding the number of shares and prices at which the transaction was effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"A portion of these shares is subject to vesting."}],"balance_after":25600,"source":{"system":"sec-edgar","filing":"0001321732-25-000042","document":"wk-form4_1741221321.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1796068/000132173225000042/wk-form4_1741221321.xml","form_type":"4"}},{"id":1222715,"issuer":{"id":3430,"kind":"organization","name":"Penumbra Inc","symbol":"PEN"},"owners":[{"id":60003,"kind":"person","name":"Shiu Lambert","position":1,"cik":"0001796068","reported_name":"Shiu Lambert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2025-03-05T19:35:27.000Z","date":"2025-03-03","kind":"sale","planned":true,"acquired":false,"shares":1672,"price":285.16,"value":476787.52,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"This transaction was executed in multiple trades at prices ranging from $284.82 to $285.48. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the SEC staff, the Issuer or a security holder of the Issuer, upon request, full information regarding the number of shares and prices at which the transaction was effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"A portion of these shares is subject to vesting."}],"balance_after":28450,"source":{"system":"sec-edgar","filing":"0001321732-25-000042","document":"wk-form4_1741221321.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1796068/000132173225000042/wk-form4_1741221321.xml","form_type":"4"}},{"id":1222714,"issuer":{"id":3430,"kind":"organization","name":"Penumbra Inc","symbol":"PEN"},"owners":[{"id":60003,"kind":"person","name":"Shiu Lambert","position":1,"cik":"0001796068","reported_name":"Shiu Lambert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2025-03-05T19:35:27.000Z","date":"2025-03-03","kind":"sale","planned":true,"acquired":false,"shares":550,"price":283.96,"value":156178.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This transaction was executed in multiple trades at prices ranging from $283.95 to $284.10. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the SEC staff, the Issuer or a security holder of the Issuer, upon request, full information regarding the number of shares and prices at which the transaction was effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"A portion of these shares is subject to vesting."}],"balance_after":30122,"source":{"system":"sec-edgar","filing":"0001321732-25-000042","document":"wk-form4_1741221321.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1796068/000132173225000042/wk-form4_1741221321.xml","form_type":"4"}},{"id":1222713,"issuer":{"id":3430,"kind":"organization","name":"Penumbra Inc","symbol":"PEN"},"owners":[{"id":60003,"kind":"person","name":"Shiu Lambert","position":1,"cik":"0001796068","reported_name":"Shiu Lambert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2025-03-05T19:35:27.000Z","date":"2025-03-03","kind":"sale","planned":true,"acquired":false,"shares":886,"price":283.15,"value":250870.9,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $282.67 to $283.61. 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