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One-sixteenth of these RSUs vested on December 23, 2024."}],"balance_after":3719,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":413},"source":{"system":"sec-edgar","filing":"0001415889-24-030169","document":"form4-12262024_101221.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000141588924030169/form4-12262024_101221.xml","form_type":"4"}},{"id":1322115,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF INNOVATION OFFICER"}}],"security":"Common Stock","published_at":"2024-12-26T22:05:24.000Z","date":"2024-12-24","kind":"sale","planned":false,"acquired":false,"shares":173,"price":146.2026,"value":25293.0498,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These shares were disposed of in non-discretionary transactions to cover the reporting person's tax withholding obligations in connection with the settlement of an award of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. 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The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":6979,"source":{"system":"sec-edgar","filing":"0001415889-24-030169","document":"form4-12262024_101221.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000141588924030169/form4-12262024_101221.xml","form_type":"4"}},{"id":1322114,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF INNOVATION OFFICER"}}],"security":"Common Stock","published_at":"2024-12-26T22:05:24.000Z","date":"2024-12-24","kind":"sale","planned":false,"acquired":false,"shares":37,"price":145.3986,"value":5379.7482,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These shares were disposed of in non-discretionary transactions to cover the reporting person's tax withholding obligations in connection with the settlement of an award of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $144.9701 to $145.7301 inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":7152,"source":{"system":"sec-edgar","filing":"0001415889-24-030169","document":"form4-12262024_101221.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000141588924030169/form4-12262024_101221.xml","form_type":"4"}},{"id":1322113,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF INNOVATION OFFICER"}}],"security":"Common Stock","published_at":"2024-12-26T22:05:24.000Z","date":"2024-12-23","kind":"exercise","planned":false,"acquired":true,"shares":413,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":7189,"source":{"system":"sec-edgar","filing":"0001415889-24-030169","document":"form4-12262024_101221.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000141588924030169/form4-12262024_101221.xml","form_type":"4"}},{"id":1354883,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF INNOVATION OFFICER"}}],"security":"Restricted Stock Units","published_at":"2024-11-22T21:33:42.000Z","date":"2024-11-20","kind":"exercise","planned":false,"acquired":false,"shares":1375,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit represents a contingent right to receive one share of Impinj common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"One-fourth of the shares subject to the grant vested on February 20, 2024, and 1/16th of the shares subject to the grant vest each quarter thereafter, subject to the Reporting Person's continued service to the Issuer through such date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"One-fourth of the shares subject to the grant vested on February 20, 2024, and 1/16th of the shares subject to the grant vest each quarter thereafter, subject to the Reporting Person's continued service to the Issuer through such date."}],"balance_after":12375,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":1375},"source":{"system":"sec-edgar","filing":"0001415889-24-027531","document":"form4-11222024_091139.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000141588924027531/form4-11222024_091139.xml","form_type":"4"}},{"id":1354882,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF INNOVATION OFFICER"}}],"security":"Common Stock","published_at":"2024-11-22T21:33:42.000Z","date":"2024-11-21","kind":"sale","planned":false,"acquired":false,"shares":697,"price":186.1374,"value":129737.7678,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These shares were disposed of in non-discretionary transactions to cover the reporting person's tax withholding obligations in connection with the settlement of an award of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $185.955 to $186.655 inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":6776,"source":{"system":"sec-edgar","filing":"0001415889-24-027531","document":"form4-11222024_091139.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000141588924027531/form4-11222024_091139.xml","form_type":"4"}},{"id":1354881,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF INNOVATION OFFICER"}}],"security":"Common Stock","published_at":"2024-11-22T21:33:42.000Z","date":"2024-11-20","kind":"exercise","planned":false,"acquired":true,"shares":1375,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":7473,"source":{"system":"sec-edgar","filing":"0001415889-24-027531","document":"form4-11222024_091139.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000141588924027531/form4-11222024_091139.xml","form_type":"4"}},{"id":1371799,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF INNOVATION OFFICER"}}],"security":"Common Stock","published_at":"2024-11-08T22:19:54.000Z","date":"2024-11-08","kind":"sale","planned":false,"acquired":false,"shares":1012,"price":202.3637,"value":204792.0644,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $202.11 to $202.41, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":6098,"source":{"system":"sec-edgar","filing":"0001415889-24-026462","document":"form4-11082024_101150.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000141588924026462/form4-11082024_101150.xml","form_type":"4"}},{"id":1371798,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF INNOVATION OFFICER"}}],"security":"Common Stock","published_at":"2024-11-08T22:19:54.000Z","date":"2024-11-08","kind":"sale","planned":false,"acquired":false,"shares":2968,"price":201.6425,"value":598474.94,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $201.11 to $202.06, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":7110,"source":{"system":"sec-edgar","filing":"0001415889-24-026462","document":"form4-11082024_101150.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000141588924026462/form4-11082024_101150.xml","form_type":"4"}},{"id":1371797,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF INNOVATION OFFICER"}}],"security":"Common Stock","published_at":"2024-11-08T22:19:54.000Z","date":"2024-11-08","kind":"sale","planned":false,"acquired":false,"shares":7569,"price":200.2806,"value":1515923.8614,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $200.11 to $201.10 inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":10078,"source":{"system":"sec-edgar","filing":"0001415889-24-026462","document":"form4-11082024_101150.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000141588924026462/form4-11082024_101150.xml","form_type":"4"}},{"id":1399617,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF INNOVATION OFFICER"}}],"security":"Restricted Stock Units","published_at":"2024-09-25T21:48:51.000Z","date":"2024-09-23","kind":"exercise","planned":false,"acquired":false,"shares":413,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each restricted stock unit represents a contingent right to receive one share of Impinj common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"On March 23, 2023, the reporting person was granted 6,610 RSUs.   One-sixteenth of these RSUs vested on September 23, 2024."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"On March 23, 2023, the reporting person was granted 6,610 RSUs.   One-sixteenth of these RSUs vested on September 23, 2024."}],"balance_after":4132,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":413},"source":{"system":"sec-edgar","filing":"0001415889-24-023971","document":"form4-09252024_090947.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000141588924023971/form4-09252024_090947.xml","form_type":"4"}},{"id":1399616,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF INNOVATION OFFICER"}}],"security":"Common Stock","published_at":"2024-09-25T21:48:51.000Z","date":"2024-09-24","kind":"sale","planned":false,"acquired":false,"shares":59,"price":209.8301,"value":12379.9759,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"These shares were disposed of in non-discretionary transactions to cover the reporting person's tax withholding obligations in connection with the settlement of an award of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $209.515 to $210.22, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":17647,"source":{"system":"sec-edgar","filing":"0001415889-24-023971","document":"form4-09252024_090947.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000141588924023971/form4-09252024_090947.xml","form_type":"4"}},{"id":1399615,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF INNOVATION OFFICER"}}],"security":"Common Stock","published_at":"2024-09-25T21:48:51.000Z","date":"2024-09-24","kind":"sale","planned":false,"acquired":false,"shares":150,"price":208.8767,"value":31331.505,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"These shares were disposed of in non-discretionary transactions to cover the reporting person's tax withholding obligations in connection with the settlement of an award of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $208.38 to $209.36 inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":17706,"source":{"system":"sec-edgar","filing":"0001415889-24-023971","document":"form4-09252024_090947.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000141588924023971/form4-09252024_090947.xml","form_type":"4"}},{"id":1399614,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF INNOVATION OFFICER"}}],"security":"Common Stock","published_at":"2024-09-25T21:48:51.000Z","date":"2024-09-23","kind":"exercise","planned":false,"acquired":true,"shares":413,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"The amount of securities beneficially owned includes 76 shares acquired on August 20, 2024 under the Impinj, Inc. 2016 Employee Stock Purchase Plan, in a transaction exempt under Rule 16b-3(c) that is being voluntarily reported by the reporting person on this Form 4."}],"balance_after":17856,"source":{"system":"sec-edgar","filing":"0001415889-24-023971","document":"form4-09252024_090947.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000141588924023971/form4-09252024_090947.xml","form_type":"4"}},{"id":1425770,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF INNOVATION OFFICER"}}],"security":"Restricted Stock Units","published_at":"2024-08-22T20:59:38.000Z","date":"2024-08-20","kind":"exercise","planned":false,"acquired":false,"shares":1375,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Each restricted stock unit represents a contingent right to receive one share of Impinj common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"One-fourth of the shares subject to the grant vested on February 20, 2024, and 1/16th of the shares subject to the grant vest each quarter thereafter, subject to the Reporting Person's continued service to the Issuer through such date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"One-fourth of the shares subject to the grant vested on February 20, 2024, and 1/16th of the shares subject to the grant vest each quarter thereafter, subject to the Reporting Person's continued service to the Issuer through such date."}],"balance_after":13750,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":1375},"source":{"system":"sec-edgar","filing":"0001415889-24-022049","document":"form4-08222024_080835.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000141588924022049/form4-08222024_080835.xml","form_type":"4"}},{"id":1425769,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF INNOVATION OFFICER"}}],"security":"Common Stock","published_at":"2024-08-22T20:59:38.000Z","date":"2024-08-21","kind":"sale","planned":false,"acquired":false,"shares":471,"price":162.5268,"value":76550.1228,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These shares were disposed of in non-discretionary transactions to cover the reporting person's tax withholding obligations in connection with the settlement of an award of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $162.3725 to $162.72 inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":17367,"source":{"system":"sec-edgar","filing":"0001415889-24-022049","document":"form4-08222024_080835.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000141588924022049/form4-08222024_080835.xml","form_type":"4"}},{"id":1425768,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF INNOVATION OFFICER"}}],"security":"Common Stock","published_at":"2024-08-22T20:59:38.000Z","date":"2024-08-21","kind":"sale","planned":false,"acquired":false,"shares":206,"price":162.2929,"value":33432.3374,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These shares were disposed of in non-discretionary transactions to cover the reporting person's tax withholding obligations in connection with the settlement of an award of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $161.33 to $162.3101 inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":17838,"source":{"system":"sec-edgar","filing":"0001415889-24-022049","document":"form4-08222024_080835.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000141588924022049/form4-08222024_080835.xml","form_type":"4"}},{"id":1425767,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF INNOVATION OFFICER"}}],"security":"Common Stock","published_at":"2024-08-22T20:59:38.000Z","date":"2024-08-20","kind":"exercise","planned":false,"acquired":true,"shares":1375,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":18044,"source":{"system":"sec-edgar","filing":"0001415889-24-022049","document":"form4-08222024_080835.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000141588924022049/form4-08222024_080835.xml","form_type":"4"}},{"id":1469789,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF INNOVATION OFFICER"}}],"security":"Restricted Stock Units","published_at":"2024-06-25T23:19:50.000Z","date":"2024-06-23","kind":"exercise","planned":false,"acquired":false,"shares":413,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Each restricted stock unit represents a contingent right to receive one share of Impinj common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"On March 23, 2023, the reporting person was granted 6,610 RSUs.   One-sixteenth of these RSUs vested on June 23, 2024."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"On March 23, 2023, the reporting person was granted 6,610 RSUs.   One-sixteenth of these RSUs vested on June 23, 2024."}],"balance_after":4545,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":413},"source":{"system":"sec-edgar","filing":"0001415889-24-018175","document":"form4-06252024_110647.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000141588924018175/form4-06252024_110647.xml","form_type":"4"}},{"id":1469788,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF INNOVATION OFFICER"}}],"security":"Common Stock","published_at":"2024-06-25T23:19:50.000Z","date":"2024-06-24","kind":"sale","planned":false,"acquired":false,"shares":56,"price":148.2852,"value":8303.9712,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These shares were disposed of in non-discretionary transactions to cover the reporting person's tax withholding obligations in connection with the settlement of an award of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $148.04 to $148.59, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":16669,"source":{"system":"sec-edgar","filing":"0001415889-24-018175","document":"form4-06252024_110647.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000141588924018175/form4-06252024_110647.xml","form_type":"4"}},{"id":1469787,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF INNOVATION OFFICER"}}],"security":"Common Stock","published_at":"2024-06-25T23:19:50.000Z","date":"2024-06-24","kind":"sale","planned":false,"acquired":false,"shares":156,"price":147.2454,"value":22970.2824,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These shares were disposed of in non-discretionary transactions to cover the reporting person's tax withholding obligations in connection with the settlement of an award of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. 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These shares were sold in multiple transactions at prices ranging from $166.90 to $167.19 inclusive. 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These shares were sold in multiple transactions at prices ranging from $152.325 to $152.665, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":15857,"source":{"system":"sec-edgar","filing":"0001415889-24-011778","document":"form4-04302024_080425.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000141588924011778/form4-04302024_080425.xml","form_type":"4"}},{"id":1533026,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF INNOVATION OFFICER"}}],"security":"Common Stock","published_at":"2024-04-30T20:47:35.000Z","date":"2024-04-26","kind":"sale","planned":false,"acquired":false,"shares":318,"price":151.6765,"value":48233.127,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $151.29 to $152.15, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":16484,"source":{"system":"sec-edgar","filing":"0001415889-24-011778","document":"form4-04302024_080425.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000141588924011778/form4-04302024_080425.xml","form_type":"4"}},{"id":1533025,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF INNOVATION OFFICER"}}],"security":"Common Stock","published_at":"2024-04-30T20:47:35.000Z","date":"2024-04-26","kind":"sale","planned":false,"acquired":false,"shares":2584,"price":150.221,"value":388171.064,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. 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The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":16802,"source":{"system":"sec-edgar","filing":"0001415889-24-011778","document":"form4-04302024_080425.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000141588924011778/form4-04302024_080425.xml","form_type":"4"}},{"id":1533024,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF INNOVATION OFFICER"}}],"security":"Common Stock","published_at":"2024-04-30T20:47:35.000Z","date":"2024-04-26","kind":"sale","planned":false,"acquired":false,"shares":6415,"price":146.339,"value":938764.685,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. 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The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":19386,"source":{"system":"sec-edgar","filing":"0001415889-24-011778","document":"form4-04302024_080425.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000141588924011778/form4-04302024_080425.xml","form_type":"4"}},{"id":1560908,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF INNOVATION OFFICER"}}],"security":"Restricted Stock 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These shares were sold in multiple transactions at prices ranging from $98.58 to $99.06 inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":24990,"source":{"system":"sec-edgar","filing":"0001415889-24-004673","document":"form4-02212024_110256.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000141588924004673/form4-02212024_110256.xml","form_type":"4"}},{"id":1630035,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF INNOVATION OFFICER"}}],"security":"Common Stock","published_at":"2024-02-21T23:06:16.000Z","date":"2024-02-20","kind":"exercise","planned":false,"acquired":true,"shares":5500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"The amount of securities beneficially owned includes 296 shares acquired on February 20, 2024 under the Impinj, Inc. 2016 Employee Stock Purchase Plan, in a transaction exempt under Rule 16b-3(c) that is being voluntarily reported by the reporting person on this Form 4."}],"balance_after":27546,"source":{"system":"sec-edgar","filing":"0001415889-24-004673","document":"form4-02212024_110256.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000141588924004673/form4-02212024_110256.xml","form_type":"4"}},{"id":1634741,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF INNOVATION OFFICER"}}],"security":"Stock Option (right to buy)","published_at":"2024-02-20T21:37:54.000Z","date":"2024-02-15","kind":"exercise","planned":false,"acquired":false,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option was approved on September 18, 2020 by the Compensation Committee of the Issuer's Board of Directors in connection with certain consulting services being provided by the Reporting Person. The Option fully vested on October 21, 2022."}],"balance_after":0,"derivative":{"exercise_price":25.78,"expiration_date":"2030-09-21","underlying":"Common Stock","underlying_shares":10000},"source":{"system":"sec-edgar","filing":"0001415889-24-004367","document":"form4-02202024_090219.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000141588924004367/form4-02202024_090219.xml","form_type":"4"}},{"id":1634740,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF INNOVATION OFFICER"}}],"security":"Common Stock","published_at":"2024-02-20T21:37:54.000Z","date":"2024-02-15","kind":"sale","planned":false,"acquired":false,"shares":10000,"price":106.2289,"value":1062289.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $106.00 to $106.62 inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":21750,"source":{"system":"sec-edgar","filing":"0001415889-24-004367","document":"form4-02202024_090219.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000141588924004367/form4-02202024_090219.xml","form_type":"4"}},{"id":1634739,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF INNOVATION OFFICER"}}],"security":"Common Stock","published_at":"2024-02-20T21:37:54.000Z","date":"2024-02-15","kind":"exercise","planned":false,"acquired":true,"shares":10000,"price":25.78,"value":257800.0,"ownership":{"direct":true},"balance_after":31750,"source":{"system":"sec-edgar","filing":"0001415889-24-004367","document":"form4-02202024_090219.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000141588924004367/form4-02202024_090219.xml","form_type":"4"}},{"id":1770699,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Innovation Officer"}}],"security":"Restricted Stock Units","published_at":"2023-10-02T22:54:40.000Z","date":"2023-10-01","kind":"exercise","planned":false,"acquired":false,"shares":2000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each RSU represents a contingent right to receive one share of Impinj common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The RSUs were approved by the Compensation Committee of the Issuer's Board of Directors on October 1, 2022. 25% of the RSUs vested on January 1, 2023 and the remaining RSUs vested equally on each of April 1, 2023, July 1, 2023 and October 1, 2023, subject in each case to the Reporting Person continuing to be a service provider on each such vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"The RSUs were approved by the Compensation Committee of the Issuer's Board of Directors on October 1, 2022. 25% of the RSUs vested on January 1, 2023 and the remaining RSUs vested equally on each of April 1, 2023, July 1, 2023 and October 1, 2023, subject in each case to the Reporting Person continuing to be a service provider on each such vesting date."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0001209191-23-051210","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919123051210/doc4.xml","form_type":"4"}},{"id":1770698,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Innovation Officer"}}],"security":"Common Stock","published_at":"2023-10-02T22:54:40.000Z","date":"2023-10-02","kind":"sale","planned":false,"acquired":false,"shares":480,"price":53.9115,"value":25877.52,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"These shares were disposed of in non-discretionary transactions to cover the reporting person's tax withholding obligations in connection with the settlement of an award of restricted stock units (\"RSUs\")."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $53.70 to $54.05, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":21750,"source":{"system":"sec-edgar","filing":"0001209191-23-051210","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919123051210/doc4.xml","form_type":"4"}},{"id":1770697,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Innovation Officer"}}],"security":"Common Stock","published_at":"2023-10-02T22:54:40.000Z","date":"2023-10-02","kind":"sale","planned":false,"acquired":false,"shares":602,"price":52.7903,"value":31779.7606,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"These shares were disposed of in non-discretionary transactions to cover the reporting person's tax withholding obligations in connection with the settlement of an award of restricted stock units (\"RSUs\")."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $52.2701 to $53.10 inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":22230,"source":{"system":"sec-edgar","filing":"0001209191-23-051210","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919123051210/doc4.xml","form_type":"4"}},{"id":1770696,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Innovation Officer"}}],"security":"Common Stock","published_at":"2023-10-02T22:54:40.000Z","date":"2023-10-01","kind":"exercise","planned":false,"acquired":true,"shares":2000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"The amount of securities beneficially owned includes 201 shares acquired on August 18, 2023 under the Impinj, Inc. 2016 Employee Stock Purchase Plan, in a transaction exempt under Rule 16b-3(c) that is being voluntarily reported by the reporting person on this Form 4."}],"balance_after":22832,"source":{"system":"sec-edgar","filing":"0001209191-23-051210","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919123051210/doc4.xml","form_type":"4"}},{"id":1837127,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Innovation Officer"}}],"security":"Restricted Stock Units","published_at":"2023-07-05T21:55:04.000Z","date":"2023-07-01","kind":"exercise","planned":false,"acquired":false,"shares":2000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Each restricted stock unit represents a contingent right to receive one share of Impinj common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The RSUs were approved by the Compensation Committee of the Issuer's Board of Directors on October 1, 2022. 25% of the RSUs vested on January 1, 2023 and the remaining RSUs vest equally on each of April 1, 2023, July 1, 2023 and October 1, 2023, subject in each case to the Reporting Person continuing to be a service provider on each such vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"The RSUs were approved by the Compensation Committee of the Issuer's Board of Directors on October 1, 2022. 25% of the RSUs vested on January 1, 2023 and the remaining RSUs vest equally on each of April 1, 2023, July 1, 2023 and October 1, 2023, subject in each case to the Reporting Person continuing to be a service provider on each such vesting date."}],"balance_after":2000,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0001209191-23-041240","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919123041240/doc4.xml","form_type":"4"}},{"id":1837126,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Innovation Officer"}}],"security":"Common Stock","published_at":"2023-07-05T21:55:04.000Z","date":"2023-07-03","kind":"sale","planned":false,"acquired":false,"shares":160,"price":90.6947,"value":14511.152,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These shares were disposed of in non-discretionary transactions to cover the reporting person's tax withholding obligations in connection with the settlement of an award of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $90.58 to $90.76, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":20631,"source":{"system":"sec-edgar","filing":"0001209191-23-041240","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919123041240/doc4.xml","form_type":"4"}},{"id":1837125,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Innovation Officer"}}],"security":"Common Stock","published_at":"2023-07-05T21:55:04.000Z","date":"2023-07-03","kind":"sale","planned":false,"acquired":false,"shares":882,"price":90.042,"value":79417.044,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These shares were disposed of in non-discretionary transactions to cover the reporting person's tax withholding obligations in connection with the settlement of an award of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $89.5601 to $90.28 inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":20791,"source":{"system":"sec-edgar","filing":"0001209191-23-041240","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919123041240/doc4.xml","form_type":"4"}},{"id":1837124,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Innovation Officer"}}],"security":"Common Stock","published_at":"2023-07-05T21:55:04.000Z","date":"2023-07-01","kind":"exercise","planned":false,"acquired":true,"shares":2000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":21673,"source":{"system":"sec-edgar","filing":"0001209191-23-041240","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919123041240/doc4.xml","form_type":"4"}},{"id":1859294,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Innovation Officer"}}],"security":"Restricted Stock Units","published_at":"2023-06-12T21:21:31.000Z","date":"2023-06-08","kind":"exercise","planned":false,"acquired":false,"shares":3529,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each RSU represents a contingent right to receive one share of Impinj common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"On June 9, 2022, the reporting person was granted 3,529 RSUs. These RSUs fully vested on June 8, 2023."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"On June 9, 2022, the reporting person was granted 3,529 RSUs. These RSUs fully vested on June 8, 2023."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":3529},"source":{"system":"sec-edgar","filing":"0001209191-23-036387","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919123036387/doc4.xml","form_type":"4"}},{"id":1859293,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Innovation Officer"}}],"security":"Common Stock","published_at":"2023-06-12T21:21:31.000Z","date":"2023-06-09","kind":"sale","planned":false,"acquired":false,"shares":1811,"price":108.979,"value":197360.969,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These shares were disposed of in non-discretionary transactions to cover the reporting person's tax withholding obligations in connection with the settlement of an award of restricted stock units (\"RSU\")."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $108.58 to $109.39, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":19673,"source":{"system":"sec-edgar","filing":"0001209191-23-036387","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919123036387/doc4.xml","form_type":"4"}},{"id":1859292,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Innovation Officer"}}],"security":"Common Stock","published_at":"2023-06-12T21:21:31.000Z","date":"2023-06-08","kind":"exercise","planned":false,"acquired":true,"shares":3529,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":21484,"source":{"system":"sec-edgar","filing":"0001209191-23-036387","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919123036387/doc4.xml","form_type":"4"}},{"id":1929395,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Innovation Officer"}}],"security":"Restricted Stock Units","published_at":"2023-04-04T22:10:38.000Z","date":"2023-04-01","kind":"exercise","planned":false,"acquired":false,"shares":2000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit represents a contingent right to receive one share of Impinj common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The RSUs were approved by the Compensation Committee of the Issuer's Board of Directors on October 1, 2022. 25% of the RSUs vested on January 1, 2023 and the remaining RSUs vest equally on each of April 1, 2023, July 1, 2023 and October 1, 2023, subject in each case to the Reporting Person continuing to be a service provider on each such vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The RSUs were approved by the Compensation Committee of the Issuer's Board of Directors on October 1, 2022. 25% of the RSUs vested on January 1, 2023 and the remaining RSUs vest equally on each of April 1, 2023, July 1, 2023 and October 1, 2023, subject in each case to the Reporting Person continuing to be a service provider on each such vesting date."}],"balance_after":4000,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0001209191-23-022907","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919123022907/doc4.xml","form_type":"4"}},{"id":1929394,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Innovation Officer"}}],"security":"Common Stock","published_at":"2023-04-04T22:10:38.000Z","date":"2023-04-03","kind":"sale","planned":false,"acquired":false,"shares":1118,"price":131.3412,"value":146839.4616,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These shares were disposed of in non-discretionary transactions to cover the reporting person's tax withholding obligations in connection with the settlement of an award of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $131.05 to $131.7001, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":17955,"source":{"system":"sec-edgar","filing":"0001209191-23-022907","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919123022907/doc4.xml","form_type":"4"}},{"id":1929393,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Innovation Officer"}}],"security":"Common 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continued service to the Issuer through such date."}],"balance_after":6610,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":6610},"source":{"system":"sec-edgar","filing":"0001209191-23-021246","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919123021246/doc4.xml","form_type":"4"}},{"id":2004217,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Innovation Officer"}}],"security":"Restricted Stock 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service to the Issuer through such date."}],"balance_after":22000,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":22000},"source":{"system":"sec-edgar","filing":"0001209191-23-011223","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919123011223/doc4.xml","form_type":"4"}},{"id":2069034,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Innovation Officer"}}],"security":"Restricted Stock 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Directors on October 1, 2022.  25% of the RSUs vested on January 1, 2023 and the remaining RSUs vest equally on each of April 1, 2023, July 1, 2023 and October 1, 2023, subject in each case to the Reporting Person continuing to be a service provider on each such vesting date."}],"balance_after":6000,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0001209191-23-001405","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919123001405/doc4.xml","form_type":"4"}},{"id":2069033,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Innovation 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The Option fully vested on October 21, 2022."}],"balance_after":10000,"derivative":{"exercise_price":25.78,"expiration_date":"2030-09-21","underlying":"Common Stock","underlying_shares":10000},"source":{"system":"sec-edgar","filing":"0001209191-22-055135","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919122055135/doc4.xml","form_type":"4"}},{"id":2128734,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-11-01T23:02:07.000Z","date":"2022-10-28","kind":"sale","acquired":false,"shares":564,"price":113.3637,"value":63937.1268,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported by Mr. Phelan were effected pursuant to a Rule 10b5-1 trading plan effective on February 11, 2022."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $112.94 to $113.58, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":15073,"source":{"system":"sec-edgar","filing":"0001209191-22-055135","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919122055135/doc4.xml","form_type":"4"}},{"id":2128733,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-11-01T23:02:07.000Z","date":"2022-10-28","kind":"sale","acquired":false,"shares":700,"price":112.1893,"value":78532.51,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported by Mr. Phelan were effected pursuant to a Rule 10b5-1 trading plan effective on February 11, 2022."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $111.89 to $112.74, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":15637,"source":{"system":"sec-edgar","filing":"0001209191-22-055135","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919122055135/doc4.xml","form_type":"4"}},{"id":2128732,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-11-01T23:02:07.000Z","date":"2022-10-28","kind":"sale","acquired":false,"shares":2836,"price":111.4152,"value":315973.5072,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported by Mr. Phelan were effected pursuant to a Rule 10b5-1 trading plan effective on February 11, 2022."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $110.88 to $111.86, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":16337,"source":{"system":"sec-edgar","filing":"0001209191-22-055135","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919122055135/doc4.xml","form_type":"4"}},{"id":2128731,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-11-01T23:02:07.000Z","date":"2022-10-28","kind":"sale","acquired":false,"shares":4000,"price":110.3524,"value":441409.6,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported by Mr. Phelan were effected pursuant to a Rule 10b5-1 trading plan effective on February 11, 2022."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $109.85 to $110.81, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":19173,"source":{"system":"sec-edgar","filing":"0001209191-22-055135","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919122055135/doc4.xml","form_type":"4"}},{"id":2128730,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-11-01T23:02:07.000Z","date":"2022-10-28","kind":"sale","acquired":false,"shares":700,"price":109.0843,"value":76359.01,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported by Mr. Phelan were effected pursuant to a Rule 10b5-1 trading plan effective on February 11, 2022."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $108.70 to $109.57, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":23173,"source":{"system":"sec-edgar","filing":"0001209191-22-055135","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919122055135/doc4.xml","form_type":"4"}},{"id":2128729,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-11-01T23:02:07.000Z","date":"2022-10-28","kind":"sale","acquired":false,"shares":1200,"price":108.1401,"value":129768.12,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported by Mr. Phelan were effected pursuant to a Rule 10b5-1 trading plan effective on February 11, 2022."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $107.53 to $108.47, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":23873,"source":{"system":"sec-edgar","filing":"0001209191-22-055135","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919122055135/doc4.xml","form_type":"4"}},{"id":2128728,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common 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the Issuer's Board of Directors in connection with certain consulting services being provided by the Reporting Person.  25% of the RSUs will vest on each of January 1, 2023, April 1, 2023, July 1, 2023 and October 1, 2023, subject in each case to the Reporting Person continuing to be a service provider on each such vesting date."}],"balance_after":8000,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":8000},"source":{"system":"sec-edgar","filing":"0001209191-22-051867","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919122051867/doc4.xml","form_type":"4"}},{"id":2198024,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2022-08-02T21:12:41.000Z","date":"2022-07-29","kind":"exercise","acquired":false,"shares":20000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The option was approved on September 18, 2020 by the Compensation Committee of the Issuer's Board of Directors in connection with certain consulting services being provided by the Reporting Person. 1/24th of the shares subject to the option shall vest on October 21, 2020 and 1/24th of the shares subject to the option shall vest on each month thereafter, subject to the Reporting Person's continued service to the Issuer through each such date."}],"balance_after":20000,"derivative":{"exercise_price":25.78,"expiration_date":"2030-09-21","underlying":"Common Stock","underlying_shares":20000},"source":{"system":"sec-edgar","filing":"0001209191-22-043932","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919122043932/doc4.xml","form_type":"4"}},{"id":2198023,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-08-02T21:12:41.000Z","date":"2022-07-29","kind":"sale","acquired":false,"shares":200,"price":83.87,"value":16774.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported by Mr. Phelan were effected pursuant to a Rule 10b5-1 trading plan effective on February 11, 2022."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $83.78 to $83.96, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":15073,"source":{"system":"sec-edgar","filing":"0001209191-22-043932","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919122043932/doc4.xml","form_type":"4"}},{"id":2198022,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-08-02T21:12:41.000Z","date":"2022-07-29","kind":"sale","acquired":false,"shares":17927,"price":82.2307,"value":1474149.7589,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported by Mr. Phelan were effected pursuant to a Rule 10b5-1 trading plan effective on February 11, 2022."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $82.20 to $82.93, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":15273,"source":{"system":"sec-edgar","filing":"0001209191-22-043932","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919122043932/doc4.xml","form_type":"4"}},{"id":2198021,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-08-02T21:12:41.000Z","date":"2022-07-29","kind":"sale","acquired":false,"shares":1344,"price":81.5922,"value":109659.9168,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported by Mr. Phelan were effected pursuant to a Rule 10b5-1 trading plan effective on February 11, 2022."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $81.07 to $82.00, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":33200,"source":{"system":"sec-edgar","filing":"0001209191-22-043932","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919122043932/doc4.xml","form_type":"4"}},{"id":2198020,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-08-02T21:12:41.000Z","date":"2022-07-29","kind":"sale","acquired":false,"shares":529,"price":80.3665,"value":42513.8785,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported by Mr. Phelan were effected pursuant to a Rule 10b5-1 trading plan effective on February 11, 2022."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $80.03 to $80.99, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein."}],"balance_after":34544,"source":{"system":"sec-edgar","filing":"0001209191-22-043932","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919122043932/doc4.xml","form_type":"4"}},{"id":2198019,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-08-02T21:12:41.000Z","date":"2022-07-29","kind":"exercise","acquired":true,"shares":20000,"price":25.78,"value":515600.0,"ownership":{"direct":true},"balance_after":35073,"source":{"system":"sec-edgar","filing":"0001209191-22-043932","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919122043932/doc4.xml","form_type":"4"}},{"id":2234540,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2022-06-13T22:52:55.000Z","date":"2022-06-09","kind":"grant","acquired":true,"shares":3529,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of Impinj common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The restricted stock units will fully vest on the earlier of June 9, 2023 or the date of the 2023 annual meeting of stockholders."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The restricted stock units will fully vest on the earlier of June 9, 2023 or the date of the 2023 annual meeting of stockholders."}],"balance_after":3529,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":3529},"source":{"system":"sec-edgar","filing":"0001209191-22-036455","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919122036455/doc4.xml","form_type":"4"}},{"id":2234539,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2022-06-13T22:52:55.000Z","date":"2022-06-09","kind":"exercise","acquired":false,"shares":943,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of Impinj common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"On June 9, 2022, the reporting person was granted 943 RSUs. These RSUs fully vested on June 9, 2022."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"On June 9, 2022, the reporting person was granted 943 RSUs. These RSUs fully vested on June 9, 2022."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":943},"source":{"system":"sec-edgar","filing":"0001209191-22-036455","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919122036455/doc4.xml","form_type":"4"}},{"id":2234538,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2022-06-13T22:52:55.000Z","date":"2022-06-09","kind":"grant","acquired":true,"shares":943,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of Impinj common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"On June 9, 2022, the reporting person was granted 943 RSUs. These RSUs fully vested on June 9, 2022."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"On June 9, 2022, the reporting person was granted 943 RSUs. These RSUs fully vested on June 9, 2022."}],"balance_after":943,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":943},"source":{"system":"sec-edgar","filing":"0001209191-22-036455","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919122036455/doc4.xml","form_type":"4"}},{"id":2234537,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2022-06-13T22:52:55.000Z","date":"2022-06-09","kind":"exercise","acquired":false,"shares":870,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of Impinj common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"On June 10, 2021, the reporting person was granted 870 RSUs. These RSUs fully vested on June 9, 2022."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"On June 10, 2021, the reporting person was granted 870 RSUs. These RSUs fully vested on June 9, 2022."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":870},"source":{"system":"sec-edgar","filing":"0001209191-22-036455","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919122036455/doc4.xml","form_type":"4"}},{"id":2234536,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common 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buy)","published_at":"2022-02-15T21:27:47.000Z","date":"2022-02-11","kind":"exercise","acquired":false,"shares":20000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option was approved on September 18, 2020 by the Compensation Committee of the Issuer's Board of Directors in connection with certain consulting services being provided by the Reporting Person. 1/24th of the shares subject to the option shall vest on October 21, 2020 and 1/24th of the shares subject to the option shall vest on each month thereafter, subject to the Reporting Person's continued service to the Issuer through each such date."}],"balance_after":40000,"derivative":{"exercise_price":25.78,"expiration_date":"2030-09-18","underlying":"Common 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Stock","published_at":"2022-02-15T21:27:47.000Z","date":"2022-02-11","kind":"exercise","acquired":true,"shares":20000,"price":25.78,"value":515600.0,"ownership":{"direct":true},"balance_after":33260,"source":{"system":"sec-edgar","filing":"0001209191-22-009795","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919122009795/doc4.xml","form_type":"4"}},{"id":2632322,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-07-16T21:08:02.000Z","date":"2020-03-13","kind":"purchase","acquired":true,"shares":2000,"price":17.975,"value":35950.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The \"Amount\" and \"Price\" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares purchased. These shares were purchased in multiple transactions at prices ranging from $17.95 to $18.00, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth herein."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"This Form 4 is is not timely filed. The untimely filing of this Form 4 caused the total amount of securities beneficially reported by the Reporting Person in the Forms 4 filed on October 23, 2020 and June 11, 2021 to be underreported by 2,000 shares. As of the date of this filing, July 15, 2021, 2021, the Reporting Person is the direct beneficial owner of 13,260 shares of the common stock of the Issuer."}],"balance_after":13260,"source":{"system":"sec-edgar","filing":"0001209191-21-046961","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919121046961/doc4.xml","form_type":"4"}},{"id":2672438,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2021-06-11T22:01:26.000Z","date":"2021-06-10","kind":"grant","acquired":true,"shares":870,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of Impinj common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The restricted stock units will fully vest on June 10, 2022."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The restricted stock units will fully vest on June 10, 2022."}],"balance_after":870,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":870},"source":{"system":"sec-edgar","filing":"0001209191-21-039984","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919121039984/doc4.xml","form_type":"4"}},{"id":2672437,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2021-06-11T22:01:26.000Z","date":"2021-06-10","kind":"exercise","acquired":false,"shares":2849,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of Impinj common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"On March 10, 2020, the reporting person was granted 3,561 RSUs. These RSUs fully vested on March 10, 2021."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"On March 10, 2020, the reporting person was granted 3,561 RSUs. These RSUs fully vested on March 10, 2021."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":2849},"source":{"system":"sec-edgar","filing":"0001209191-21-039984","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919121039984/doc4.xml","form_type":"4"}},{"id":2672436,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-06-11T22:01:26.000Z","date":"2021-06-10","kind":"exercise","acquired":true,"shares":2849,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":11260,"source":{"system":"sec-edgar","filing":"0001209191-21-039984","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919121039984/doc4.xml","form_type":"4"}},{"id":3000893,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":79495,"kind":"person","name":"PHELAN CATHAL G","position":1,"cik":"0001259761","reported_name":"PHELAN CATHAL G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2020-10-23T20:56:25.000Z","date":"2020-10-23","kind":"exercise","acquired":false,"shares":3411,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of Impinj common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"On October 23, 2019, the reporting person was granted 3,411 RSUs.  These RSUs fully vested on October 23, 2020."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"On October 23, 2019, the reporting person was granted 3,411 RSUs.  These RSUs fully vested on October 23, 2020."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":3411},"source":{"system":"sec-edgar","filing":"0001209191-20-055699","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000120919120055699/doc4.xml","form_type":"4"}}],"next_cursor":"2020-10-23T20:56:25.000000Z,3000893"}