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These shares were sold in multiple transactions at prices ranging from $25.50 to $25.63, 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":6654,"source":{"system":"sec-edgar","filing":"0001246360-20-000779","document":"form.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000124636020000779/form.xml","form_type":"4"}},{"id":3233555,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":151103,"kind":"person","name":"MASTERS DENISE","position":1,"cik":"0001736540","reported_name":"MASTERS DENISE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Accounting"}}],"security":"COMMON STOCK","published_at":"2020-03-04T00:42:12.000Z","date":"2020-02-28","kind":"grant","acquired":true,"shares":4403,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On March 17, 2019, the Reporting Person was granted performance restricted stock units (PSUs). The PSUs vested upon the Reporting Person's satisfaction of certain performance criteria. On February 28, 2020, the Issuer's Board of Directors determined the level at which the corporate performance goals were attained, resulting in the vesting of 4,403 shares of Common Stock underlying the PSUs."}],"balance_after":8135,"source":{"system":"sec-edgar","filing":"0001246360-20-000779","document":"form.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000124636020000779/form.xml","form_type":"4"}},{"id":3280053,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":151103,"kind":"person","name":"MASTERS DENISE","position":1,"cik":"0001736540","reported_name":"MASTERS DENISE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Accounting"}}],"security":"COMMON STOCK","published_at":"2020-02-11T22:56:11.000Z","date":"2019-08-20","kind":"grant","acquired":true,"shares":472,"price":16.5,"value":7788.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F3","text":"The reporting person is voluntarily reporting the acquisition of shares of the issuer's common stock pursuant to the Employee Stock Purchase Plan (\"ESPP\"), for the ESPP Purchase Period (as defined in the ESPP) of February 20, 2019 through August 20, 2019. This transaction is also exempt under Rule 16b-3(c)."},{"field":"shares","element":"transactionShares","label":"F4","text":"The Purchase Period ended August 20, 2019 and is the first of two Purchase Periods comprising the Offering Period (as defined in the ESPP) that began February 20, 2019."}],"balance_after":3732,"source":{"system":"sec-edgar","filing":"0001246360-20-000450","document":"form.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000124636020000450/form.xml","form_type":"5"}},{"id":3280052,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":151103,"kind":"person","name":"MASTERS DENISE","position":1,"cik":"0001736540","reported_name":"MASTERS DENISE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Accounting"}}],"security":"COMMON STOCK","published_at":"2020-02-11T22:56:11.000Z","date":"2019-02-20","kind":"grant","acquired":true,"shares":1292,"price":16.5,"value":21318.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"The reporting person is voluntarily reporting the acquisition of shares of the issuer's common stock pursuant to the Employee Stock Purchase Plan (\"ESPP\"), for the ESPP Purchase Period (as defined in the ESPP) of October 22, 2018 through February 20, 2019. This transaction is also exempt under Rule 16b-3(c)."},{"field":"shares","element":"transactionShares","label":"F2","text":"The Purchase Period ended February 20, 2019 and is the second of two Purchase Periods comprising the Offering Period (as defined in the ESPP) that began October 22, 2018."}],"balance_after":3260,"source":{"system":"sec-edgar","filing":"0001246360-20-000450","document":"form.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000124636020000450/form.xml","form_type":"5"}},{"id":3451067,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":151103,"kind":"person","name":"MASTERS DENISE","position":1,"cik":"0001736540","reported_name":"MASTERS DENISE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Accounting"}}],"security":"STOCK OPTION (RTB)","published_at":"2019-08-01T21:42:11.000Z","date":"2019-07-15","kind":"grant","acquired":true,"shares":5750,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"One-fourth (1/4) of the shares subject to the option will vest on July 15, 2020, and one-forty-eighth (1/48th) of the shares subject to the option shall vest each month thereafter."}],"balance_after":5750,"derivative":{"exercise_price":34.64,"expiration_date":"2029-07-14","underlying":"COMMON STOCK","underlying_shares":5750},"source":{"system":"sec-edgar","filing":"0001246360-19-001853","document":"form.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000124636019001853/form.xml","form_type":"4"}},{"id":3451066,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":151103,"kind":"person","name":"MASTERS DENISE","position":1,"cik":"0001736540","reported_name":"MASTERS DENISE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Accounting"}}],"security":"Restricted Stock Units","published_at":"2019-08-01T21:42:11.000Z","date":"2019-07-15","kind":"grant","acquired":true,"shares":5750,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"One fourth (1/4) of the restricted stock units (the RSUs) will vest on July 13, 2020, and one-sixteenth (1/16) of the RSUs will vest every three (3) months thereafter, subject to the individual continuing to be a Service Provider."}],"balance_after":5750,"derivative":{"exercise_price":0,"expiration_date":"2029-07-13","underlying":"COMMON STOCK","underlying_shares":5750},"source":{"system":"sec-edgar","filing":"0001246360-19-001853","document":"form.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000124636019001853/form.xml","form_type":"4"}},{"id":3531827,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":151103,"kind":"person","name":"MASTERS DENISE","position":1,"cik":"0001736540","reported_name":"MASTERS DENISE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Accounting"}}],"security":"RESTRICTED STOCK UNITS - 2017","published_at":"2019-05-10T21:56:11.000Z","date":"2018-09-12","kind":"exercise","acquired":false,"shares":2500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each restricted stock unit represents a contingent right to receive one share of Impinj common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"On April 3, 2018, the reporting person was granted 2,500 restricted stock units (RSUs). These RSUs fully vested on September 12, 2018."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"On April 3, 2018, the reporting person was granted 2,500 restricted stock units (RSUs). These RSUs fully vested on September 12, 2018."}],"balance_after":0,"derivative":{"underlying":"COMMON STOCK","underlying_shares":2500},"source":{"system":"sec-edgar","filing":"0001246360-19-001399","document":"form.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000124636019001399/form.xml","form_type":"4"}},{"id":3531826,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":151103,"kind":"person","name":"MASTERS DENISE","position":1,"cik":"0001736540","reported_name":"MASTERS DENISE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Accounting"}}],"security":"COMMON STOCK","published_at":"2019-05-10T21:56:11.000Z","date":"2019-05-01","kind":"sale","acquired":false,"shares":1292,"price":28.75,"value":37145.0,"ownership":{"direct":true},"balance_after":1968,"source":{"system":"sec-edgar","filing":"0001246360-19-001399","document":"form.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000124636019001399/form.xml","form_type":"4"}},{"id":3531825,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":151103,"kind":"person","name":"MASTERS DENISE","position":1,"cik":"0001736540","reported_name":"MASTERS DENISE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Accounting"}}],"security":"COMMON STOCK","published_at":"2019-05-10T21:56:11.000Z","date":"2019-02-20","kind":"grant","acquired":true,"shares":1292,"price":16.5,"value":21318.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F5","text":"The reporting person is voluntarily reporting the acquisition of shares of the Issuer's common stock pursuant to the Impinj Employee Stock Purchase Plan for the purchase period of October 22, 2018 through February 20, 2019. This transaction is exempt under Rule 16b-3(c)."}],"balance_after":3260,"source":{"system":"sec-edgar","filing":"0001246360-19-001399","document":"form.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000124636019001399/form.xml","form_type":"4"}},{"id":3531824,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":151103,"kind":"person","name":"MASTERS DENISE","position":1,"cik":"0001736540","reported_name":"MASTERS DENISE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Accounting"}}],"security":"COMMON STOCK","published_at":"2019-05-10T21:56:11.000Z","date":"2018-09-14","kind":"tax_withholding","acquired":false,"shares":532,"price":26.3626,"value":14024.9032,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"The reported shares were withheld to cover the reporting person's tax liability in connection with the vesting of RSUs. These shares were not issued to or sold by the reporting person."}],"balance_after":1968,"source":{"system":"sec-edgar","filing":"0001246360-19-001399","document":"form.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000124636019001399/form.xml","form_type":"4"}},{"id":3531823,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":151103,"kind":"person","name":"MASTERS DENISE","position":1,"cik":"0001736540","reported_name":"MASTERS DENISE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Accounting"}}],"security":"COMMON STOCK","published_at":"2019-05-10T21:56:11.000Z","date":"2018-09-12","kind":"exercise","acquired":true,"shares":2500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted stock units convert to common stock on a one-to-one basis."}],"balance_after":2500,"source":{"system":"sec-edgar","filing":"0001246360-19-001399","document":"form.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000124636019001399/form.xml","form_type":"4"}},{"id":3968592,"issuer":{"id":3883,"kind":"organization","name":"IMPINJ INC","symbol":"PI"},"owners":[{"id":151103,"kind":"person","name":"MASTERS DENISE","position":1,"cik":"0001736540","reported_name":"MASTERS DENISE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Accounting"}}],"security":"RESTRICTED STOCK UNITS","published_at":"2018-04-05T22:07:11.000Z","date":"2018-04-03","kind":"grant","acquired":true,"shares":2500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Impinj common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The restricted stock units will fully vest on September 12, 2018."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The restricted stock units will fully vest on September 12, 2018."}],"balance_after":2500,"derivative":{"underlying":"COMMON STOCK","underlying_shares":2500},"source":{"system":"sec-edgar","filing":"0001246360-18-001274","document":"form.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1114995/000124636018001274/form.xml","form_type":"4"}}]}