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2020, September 30, 2020, and December 31, 2020, subject to Ms. O'Rourke's continued service as director through such dates."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"A portion of these shares is subject to vesting."}],"balance_after":3667,"source":{"system":"sec-edgar","filing":"0001321732-20-000027","document":"wf-form4_158164375408270.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1321732/000132173220000027/wf-form4_158164375408270.xml","form_type":"4"}},{"id":3298620,"issuer":{"id":3430,"kind":"organization","name":"Penumbra Inc","symbol":"PEN"},"owners":[{"id":65862,"kind":"person","name":"O'Rourke Bridget","position":1,"cik":"0001704713","reported_name":"O'Rourke Bridget","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common 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The price reported above reflects the weighted average sale 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"A portion of these shares is subject to vesting."}],"balance_after":2911,"source":{"system":"sec-edgar","filing":"0001321732-20-000011","document":"wf-form4_158034661163592.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1321732/000132173220000011/wf-form4_158034661163592.xml","form_type":"4"}},{"id":3298619,"issuer":{"id":3430,"kind":"organization","name":"Penumbra Inc","symbol":"PEN"},"owners":[{"id":65862,"kind":"person","name":"O'Rourke Bridget","position":1,"cik":"0001704713","reported_name":"O'Rourke Bridget","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-01-30T01:10:30.000Z","date":"2020-01-27","kind":"sale","acquired":false,"shares":17,"price":173.11,"value":2942.87,"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 $172.81 to $173.51. The price reported above reflects the weighted average sale 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"A portion of these shares is subject to vesting."}],"balance_after":2937,"source":{"system":"sec-edgar","filing":"0001321732-20-000011","document":"wf-form4_158034661163592.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1321732/000132173220000011/wf-form4_158034661163592.xml","form_type":"4"}},{"id":3298618,"issuer":{"id":3430,"kind":"organization","name":"Penumbra Inc","symbol":"PEN"},"owners":[{"id":65862,"kind":"person","name":"O'Rourke Bridget","position":1,"cik":"0001704713","reported_name":"O'Rourke Bridget","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-01-30T01:10:30.000Z","date":"2020-01-27","kind":"sale","acquired":false,"shares":96,"price":172.36,"value":16546.56,"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 $171.80 to $172.74. The price reported above reflects the weighted average sale 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"A portion of these shares is subject to vesting."}],"balance_after":2954,"source":{"system":"sec-edgar","filing":"0001321732-20-000011","document":"wf-form4_158034661163592.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1321732/000132173220000011/wf-form4_158034661163592.xml","form_type":"4"}},{"id":3298617,"issuer":{"id":3430,"kind":"organization","name":"Penumbra Inc","symbol":"PEN"},"owners":[{"id":65862,"kind":"person","name":"O'Rourke Bridget","position":1,"cik":"0001704713","reported_name":"O'Rourke Bridget","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-01-30T01:10:30.000Z","date":"2020-01-27","kind":"sale","acquired":false,"shares":16,"price":171.54,"value":2744.64,"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 $170.89 to $171.76. The price reported above reflects the weighted average sale 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"A portion of these shares is subject to vesting."}],"balance_after":3050,"source":{"system":"sec-edgar","filing":"0001321732-20-000011","document":"wf-form4_158034661163592.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1321732/000132173220000011/wf-form4_158034661163592.xml","form_type":"4"}},{"id":3298616,"issuer":{"id":3430,"kind":"organization","name":"Penumbra Inc","symbol":"PEN"},"owners":[{"id":65862,"kind":"person","name":"O'Rourke Bridget","position":1,"cik":"0001704713","reported_name":"O'Rourke Bridget","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-01-30T01:10:30.000Z","date":"2020-01-27","kind":"sale","acquired":false,"shares":3,"price":169.98,"value":509.94,"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 $169.85 to $170.04. The price reported above reflects the weighted average sale 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"A portion of these shares is subject to vesting."}],"balance_after":3066,"source":{"system":"sec-edgar","filing":"0001321732-20-000011","document":"wf-form4_158034661163592.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1321732/000132173220000011/wf-form4_158034661163592.xml","form_type":"4"}},{"id":3298615,"issuer":{"id":3430,"kind":"organization","name":"Penumbra Inc","symbol":"PEN"},"owners":[{"id":65862,"kind":"person","name":"O'Rourke Bridget","position":1,"cik":"0001704713","reported_name":"O'Rourke Bridget","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-01-30T01:10:30.000Z","date":"2020-01-27","kind":"sale","acquired":false,"shares":5,"price":169.07,"value":845.35,"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 $168.79 to $169.26. The price reported above reflects the weighted average sale 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"A portion of these shares is subject to vesting."}],"balance_after":3069,"source":{"system":"sec-edgar","filing":"0001321732-20-000011","document":"wf-form4_158034661163592.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1321732/000132173220000011/wf-form4_158034661163592.xml","form_type":"4"}},{"id":3421553,"issuer":{"id":3430,"kind":"organization","name":"Penumbra Inc","symbol":"PEN"},"owners":[{"id":65862,"kind":"person","name":"O'Rourke Bridget","position":1,"cik":"0001704713","reported_name":"O'Rourke Bridget","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-09-05T23:57:45.000Z","date":"2019-09-03","kind":"sale","acquired":false,"shares":73,"price":147.19,"value":10744.87,"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 $147.19 to $147.22. The price reported above reflects the weighted average sale 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"A portion of these shares is subject to vesting."}],"balance_after":3074,"source":{"system":"sec-edgar","filing":"0001321732-19-000103","document":"wf-form4_156772784909605.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1321732/000132173219000103/wf-form4_156772784909605.xml","form_type":"4"}},{"id":3421552,"issuer":{"id":3430,"kind":"organization","name":"Penumbra Inc","symbol":"PEN"},"owners":[{"id":65862,"kind":"person","name":"O'Rourke Bridget","position":1,"cik":"0001704713","reported_name":"O'Rourke Bridget","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-09-05T23:57:45.000Z","date":"2019-09-03","kind":"sale","acquired":false,"shares":102,"price":144.95,"value":14784.9,"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 $144.81 to $144.95. The price reported above reflects the weighted average sale 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"A portion of these shares is subject to vesting."}],"balance_after":3147,"source":{"system":"sec-edgar","filing":"0001321732-19-000103","document":"wf-form4_156772784909605.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1321732/000132173219000103/wf-form4_156772784909605.xml","form_type":"4"}},{"id":3467552,"issuer":{"id":3430,"kind":"organization","name":"Penumbra Inc","symbol":"PEN"},"owners":[{"id":65862,"kind":"person","name":"O'Rourke Bridget","position":1,"cik":"0001704713","reported_name":"O'Rourke Bridget","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-07-03T23:27:42.000Z","date":"2019-07-01","kind":"sale","acquired":false,"shares":102,"price":161.19,"value":16441.38,"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":"F3","text":"This transaction was executed in multiple trades at prices ranging from $161 to $161.19. The price reported above reflects the weighted average sale 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"A portion of these shares is subject to vesting."}],"balance_after":3249,"source":{"system":"sec-edgar","filing":"0001321732-19-000072","document":"wf-form4_156219644755162.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1321732/000132173219000072/wf-form4_156219644755162.xml","form_type":"4"}},{"id":3467551,"issuer":{"id":3430,"kind":"organization","name":"Penumbra Inc","symbol":"PEN"},"owners":[{"id":65862,"kind":"person","name":"O'Rourke Bridget","position":1,"cik":"0001704713","reported_name":"O'Rourke 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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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"A portion of these shares is subject to vesting."}],"balance_after":2650,"source":{"system":"sec-edgar","filing":"0001321732-18-000142","document":"wf-form4_154413600795614.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1321732/000132173218000142/wf-form4_154413600795614.xml","form_type":"4"}},{"id":3740916,"issuer":{"id":3430,"kind":"organization","name":"Penumbra Inc","symbol":"PEN"},"owners":[{"id":65862,"kind":"person","name":"O'Rourke Bridget","position":1,"cik":"0001704713","reported_name":"O'Rourke Bridget","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-12-06T22:40:28.000Z","date":"2018-12-03","kind":"sale","acquired":false,"shares":200,"price":143.55,"value":28710.0,"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":"F5","text":"This transaction was executed in multiple trades at prices ranging from $143.50 to $143.60. 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