PI

SEC source: 0001209191-23-038460 · doc4.xml · derivative · entry 4

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,125

Underlying: Common Stock · 782 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Impinj common stock.

F4 · derivative.exercise_date: On June 15, 2020, the reporting person was granted 12,500 RSUs, one fourth of which vested on June 15, 2021, with an additional one-sixteenth of such RSUs vesting every three months thereafter. One-sixteenth of these RSUs vested on June 15, 2023.

F4 · derivative.expiration_date: On June 15, 2020, the reporting person was granted 12,500 RSUs, one fourth of which vested on June 15, 2021, with an additional one-sixteenth of such RSUs vesting every three months thereafter. One-sixteenth of these RSUs vested on June 15, 2023.

SEC source: 0001209191-23-038460 · doc4.xml · nonDerivative · entry 2

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,136

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-23-038460 · doc4.xml · nonDerivative · entry 1

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,667

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-23-038454 · doc4.xml · derivative · entry 4

DIORIO CHRIS PH.D. · CIK 0001677721 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,250

Underlying: Common Stock · 1,563 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Impinj common stock.

F4 · derivative.exercise_date: On June 15, 2020, the reporting person was granted 25,000 RSUs, one fourth of which vested on June 15, 2021, with an additional one-sixteenth of such RSUs vesting every three months thereafter. One-sixteenth of these RSUs vested on June 15, 2023.

F4 · derivative.expiration_date: On June 15, 2020, the reporting person was granted 25,000 RSUs, one fourth of which vested on June 15, 2021, with an additional one-sixteenth of such RSUs vesting every three months thereafter. One-sixteenth of these RSUs vested on June 15, 2023.

SEC source: 0001209191-23-038454 · doc4.xml · nonDerivative · entry 1

DIORIO CHRIS PH.D. · CIK 0001677721 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 294,137

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-23-036387 · doc4.xml · nonDerivative · entry 2

PHELAN CATHAL G · CIK 0001259761 · Director · Chief Innovation Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,673

F1 · kind: 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").

F2 · price: 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.

SEC source: 0001209191-23-036376 · doc4.xml · nonDerivative · entry 1

Baker Cary · CIK 0001705407 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 46,234

F1 · kind: The sales reported by Mr. Baker were effected pursuant to a Rule 10b5-1 trading plan effective on February 10, 2023.

F2 · price: 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 $110.00 to $110.02, 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.

SEC source: 0001209191-23-036408 · doc4.xml · derivative · entry 1

WASHINGTON MIRON · CIK 0001969449 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,729

Underlying: Common Stock · 1,729 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Impinj common stock.

F2 · derivative.exercise_date: The restricted stock units will fully vest on the earlier of June 8, 2024 or the date of the 2024 annual meeting of stockholders.

F2 · derivative.expiration_date: The restricted stock units will fully vest on the earlier of June 8, 2024 or the date of the 2024 annual meeting of stockholders.

SEC source: 0001209191-23-036401 · doc4.xml · derivative · entry 2

SESSLER GREGORY · CIK 0001285810 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,529 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Impinj common stock.

F2 · derivative.exercise_date: On June 9, 2022, the reporting person was granted 3,529 RSUs. These RSUs fully vested on June 8, 2023.

F2 · derivative.expiration_date: On June 9, 2022, the reporting person was granted 3,529 RSUs. These RSUs fully vested on June 8, 2023.

SEC source: 0001209191-23-036401 · doc4.xml · nonDerivative · entry 1

SESSLER GREGORY · CIK 0001285810 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,257

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-23-036397 · doc4.xml · derivative · entry 4

SANGHI STEVE · CIK 0001181928 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,945

Underlying: Common Stock · 1,945 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Impinj common stock.

F3 · derivative.exercise_date: The restricted stock units will fully vest on the earlier of June 8, 2024 or the date of the 2024 annual meeting of stockholders.

F3 · derivative.expiration_date: The restricted stock units will fully vest on the earlier of June 8, 2024 or the date of the 2024 annual meeting of stockholders.

SEC source: 0001209191-23-036397 · doc4.xml · derivative · entry 3

SANGHI STEVE · CIK 0001181928 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,881 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Impinj common stock.

F2 · derivative.exercise_date: On June 9, 2022, the reporting person was granted 3,881 RSUs. These RSUs fully vested on June 8, 2023.

F2 · derivative.expiration_date: On June 9, 2022, the reporting person was granted 3,881 RSUs. These RSUs fully vested on June 8, 2023.

SEC source: 0001209191-23-036397 · doc4.xml · nonDerivative · entry 1

SANGHI STEVE · CIK 0001181928 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,912

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-23-036391 · doc4.xml · derivative · entry 3

Rao Meera · CIK 0001480603 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,729

Underlying: Common Stock · 1,729 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Impinj common stock.

F3 · derivative.exercise_date: The restricted stock units will fully vest on the earlier of June 8, 2024 or the date of the 2024 annual meeting of stockholders.

F3 · derivative.expiration_date: The restricted stock units will fully vest on the earlier of June 8, 2024 or the date of the 2024 annual meeting of stockholders.

SEC source: 0001209191-23-036391 · doc4.xml · derivative · entry 2

Rao Meera · CIK 0001480603 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,529 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Impinj common stock.

F2 · derivative.exercise_date: On June 9, 2022, the reporting person was granted 3,529 RSUs. These RSUs fully vested on June 8, 2023.

F2 · derivative.expiration_date: On June 9, 2022, the reporting person was granted 3,529 RSUs. These RSUs fully vested on June 8, 2023.

SEC source: 0001209191-23-036391 · doc4.xml · nonDerivative · entry 1

Rao Meera · CIK 0001480603 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,668

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-23-036387 · doc4.xml · derivative · entry 3

PHELAN CATHAL G · CIK 0001259761 · Director · Chief Innovation Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,529 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Impinj common stock.

F4 · derivative.exercise_date: On June 9, 2022, the reporting person was granted 3,529 RSUs. These RSUs fully vested on June 8, 2023.

F4 · derivative.expiration_date: On June 9, 2022, the reporting person was granted 3,529 RSUs. These RSUs fully vested on June 8, 2023.

SEC source: 0001209191-23-036387 · doc4.xml · nonDerivative · entry 1

PHELAN CATHAL G · CIK 0001259761 · Director · Chief Innovation Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,484

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-23-036382 · doc4.xml · derivative · entry 3

PADVAL UMESH · CIK 0001300840 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,729

Underlying: Common Stock · 1,729 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Impinj common stock.

F3 · derivative.exercise_date: The restricted stock units will fully vest on the earlier of June 8, 2024 or the date of the 2024 annual meeting of stockholders.

F3 · derivative.expiration_date: The restricted stock units will fully vest on the earlier of June 8, 2024 or the date of the 2024 annual meeting of stockholders.

SEC source: 0001209191-23-036382 · doc4.xml · derivative · entry 2

PADVAL UMESH · CIK 0001300840 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,529 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Impinj common stock.

F2 · derivative.exercise_date: On June 9, 2022, the reporting person was granted 3,529 RSUs. These RSUs fully vested on June 8, 2023.

F2 · derivative.expiration_date: On June 9, 2022, the reporting person was granted 3,529 RSUs. These RSUs fully vested on June 8, 2023.

SEC source: 0001209191-23-036382 · doc4.xml · nonDerivative · entry 1

PADVAL UMESH · CIK 0001300840 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,004

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-23-036379 · doc4.xml · derivative · entry 4

Gibson Daniel Patrick · CIK 0001745725 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,729

Underlying: Common Stock · 1,729 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Impinj common stock.

F4 · derivative.exercise_date: The restricted stock units will fully vest on the earlier of June 8, 2024 or the date of the 2024 annual meeting of stockholders.

F4 · derivative.expiration_date: The restricted stock units will fully vest on the earlier of June 8, 2024 or the date of the 2024 annual meeting of stockholders.

SEC source: 0001209191-23-036379 · doc4.xml · derivative · entry 3

Gibson Daniel Patrick · CIK 0001745725 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,529 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Impinj common stock.

F3 · derivative.exercise_date: On June 9, 2022, the reporting person was granted 3,529 RSUs. These RSUs fully vested on June 8, 2023.

F3 · derivative.expiration_date: On June 9, 2022, the reporting person was granted 3,529 RSUs. These RSUs fully vested on June 8, 2023.

SEC source: 0001209191-23-036379 · doc4.xml · nonDerivative · entry 1

Gibson Daniel Patrick · CIK 0001745725 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,356

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-23-033885 · doc4.xml · nonDerivative · entry 2

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 42,814

F1 · kind: The sales reported by Mr. Dossett were effected pursuant to a Rule 10b5-1 trading plan effective on February 10, 2023.

F3 · price: 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 $103.00 to $103.25, 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.

SEC source: 0001209191-23-033885 · doc4.xml · nonDerivative · entry 1

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 43,046

F1 · kind: The sales reported by Mr. Dossett were effected pursuant to a Rule 10b5-1 trading plan effective on February 10, 2023.

F2 · price: 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 $102.00 to $102.90, 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.

SEC source: 0001209191-23-032168 · doc4.xml · nonDerivative · entry 2

Baker Cary · CIK 0001705407 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,234

F1 · kind: 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 PSUs or restricted stock units ("RSUs").

F2 · price: 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 $96.645 to $96.835, 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.

SEC source: 0001209191-23-032168 · doc4.xml · derivative · entry 3

Baker Cary · CIK 0001705407 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,250

Underlying: Common Stock · 3,750 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Impinj common stock.

F4 · derivative.exercise_date: On February 24, 2020, the reporting person was granted 60,000 restricted stock units ("RSUs"), one sixteenth of which vested on May 24, 2023.

F4 · derivative.expiration_date: On February 24, 2020, the reporting person was granted 60,000 restricted stock units ("RSUs"), one sixteenth of which vested on May 24, 2023.

SEC source: 0001209191-23-032168 · doc4.xml · nonDerivative · entry 1

Baker Cary · CIK 0001705407 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,687

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-23-026365 · doc4.xml · nonDerivative · entry 1

SANGHI STEVE · CIK 0001181928 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Sanghi Family Limited Partnership

Disclosed balance after: 40,200

SEC source: 0001209191-23-026363 · doc4.xml · nonDerivative · entry 2

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,885

F1 · kind: 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.

F2 · price: 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 $84.8901 to $84.945, 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.

SEC source: 0001209191-23-026361 · doc4.xml · nonDerivative · entry 3

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 46,314

F3 · kind: The sales reported by Mr. Dossett were effected pursuant to a Rule 10b5-1 trading plan effective on February 10, 2023.

SEC source: 0001209191-23-026361 · doc4.xml · nonDerivative · entry 2

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 49,814

F1 · kind: 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").

F2 · price: 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 $84.8901 to $84.945, 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.

SEC source: 0001209191-23-026363 · doc4.xml · derivative · entry 3

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 625

Underlying: Common Stock · 625 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Impinj common stock.

F4 · derivative.exercise_date: On July 31, 2019, the reporting person was granted 10,000 restricted stock units ("RSUs"). One-sixteenth of these RSUs vested on April 30, 2023.

F4 · derivative.expiration_date: On July 31, 2019, the reporting person was granted 10,000 restricted stock units ("RSUs"). One-sixteenth of these RSUs vested on April 30, 2023.

SEC source: 0001209191-23-026363 · doc4.xml · nonDerivative · entry 1

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,142

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-23-026361 · doc4.xml · derivative · entry 4

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,563

Underlying: Common Stock · 1,562 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Impinj common stock.

F5 · derivative.exercise_date: On July 31, 2019, the reporting person was granted 25,000 RSUs. One-sixteenth of these RSUs vested on April 30, 2023.

F5 · derivative.expiration_date: On July 31, 2019, the reporting person was granted 25,000 RSUs. One-sixteenth of these RSUs vested on April 30, 2023.

SEC source: 0001209191-23-026361 · doc4.xml · nonDerivative · entry 1

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 50,455

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-23-024361 · doc4.xml · nonDerivative · entry 2

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,517

F1 · kind: 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.

F2 · price: 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 $134.12 to $134.96, 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.

SEC source: 0001209191-23-024357 · doc4.xml · nonDerivative · entry 3

DIORIO CHRIS PH.D. · CIK 0001677721 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 292,574

F1 · kind: 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.

F3 · price: 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 $135.17 to $135.59, 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.

SEC source: 0001209191-23-024357 · doc4.xml · nonDerivative · entry 2

DIORIO CHRIS PH.D. · CIK 0001677721 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 292,694

F1 · kind: 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.

F2 · price: 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 $134.14 to $134.8401, 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.

SEC source: 0001209191-23-024359 · doc4.xml · nonDerivative · entry 3

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,893

F1 · kind: 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").

SEC source: 0001209191-23-024359 · doc4.xml · nonDerivative · entry 2

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,894

F1 · kind: 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").

F2 · price: 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 $134.14 to $134.86, 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.

SEC source: 0001209191-23-024352 · doc4.xml · nonDerivative · entry 3

Baker Cary · CIK 0001705407 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,937

F1 · kind: 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.

F3 · price: 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 $135.49 to $135.495, 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.

SEC source: 0001209191-23-024352 · doc4.xml · nonDerivative · entry 2

Baker Cary · CIK 0001705407 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,967

F1 · kind: 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.

F2 · price: 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 $134.14 to $134.85, 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.

SEC source: 0001209191-23-024361 · doc4.xml · derivative · entry 3

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,750

Underlying: Common Stock · 1,094 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Impinj common stock.

F4 · derivative.exercise_date: On April 12, 2021, the reporting person was granted 17,500 restricted stock units ("RSUs"), one fourth of which vested on April 12, 2022, with an additional one-sixteenth of such RSUs vesting every three months thereafter. One-sixteenth of these RSUs vested on April 12, 2023.

F4 · derivative.expiration_date: On April 12, 2021, the reporting person was granted 17,500 restricted stock units ("RSUs"), one fourth of which vested on April 12, 2022, with an additional one-sixteenth of such RSUs vesting every three months thereafter. One-sixteenth of these RSUs vested on April 12, 2023.

SEC source: 0001209191-23-024361 · doc4.xml · nonDerivative · entry 1

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,950

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-23-024357 · doc4.xml · derivative · entry 5

DIORIO CHRIS PH.D. · CIK 0001677721 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock · 3,125 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Impinj common stock.

F5 · derivative.exercise_date: On April 12, 2021, the reporting person was granted 50,000 restricted stock units ("RSUs"), one fourth of which vested on April 12, 2022, with an additional one-sixteenth of such RSUs vesting every three months thereafter. One-sixteenth of these RSUs vested on April 12, 2023.

F5 · derivative.expiration_date: On April 12, 2021, the reporting person was granted 50,000 restricted stock units ("RSUs"), one fourth of which vested on April 12, 2022, with an additional one-sixteenth of such RSUs vesting every three months thereafter. One-sixteenth of these RSUs vested on April 12, 2023.

SEC source: 0001209191-23-024357 · doc4.xml · nonDerivative · entry 1

DIORIO CHRIS PH.D. · CIK 0001677721 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 293,810

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-23-024359 · doc4.xml · derivative · entry 4

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,000

Underlying: Common Stock · 1,250 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Impinj common stock.

F4 · derivative.exercise_date: On April 12, 2021, the reporting person was granted 20,000 restricted stock units ("RSUs"), one fourth of which vested on April 12, 2022, with an additional one-sixteenth of such RSUs vesting every three months thereafter. One-sixteenth of these RSUs vested on April 12, 2023.

F4 · derivative.expiration_date: On April 12, 2021, the reporting person was granted 20,000 restricted stock units ("RSUs"), one fourth of which vested on April 12, 2022, with an additional one-sixteenth of such RSUs vesting every three months thereafter. One-sixteenth of these RSUs vested on April 12, 2023.

SEC source: 0001209191-23-024359 · doc4.xml · nonDerivative · entry 1

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,388

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.