PI

SEC source: 0001415889-24-018173 · form4-06252024_110647.xml · nonDerivative · entry 3

DOSSETT JEFFREY · CIK 0001578147 · CHIEF REVENUE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,097

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 $146.89 to $147.41, 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.

SEC source: 0001415889-24-018172 · form4-06252024_110623.xml · nonDerivative · entry 4

Baker Cary · CIK 0001705407 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,179

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").

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 $148.01 to $148.53, 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: 0001415889-24-018172 · form4-06252024_110623.xml · nonDerivative · entry 3

Baker Cary · CIK 0001705407 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,390

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 $146.89 to $147.42, 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: 0001415889-24-018171 · form4-06252024_110654.xml · derivative · entry 13

DIORIO CHRIS PH.D. · CIK 0001677721 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 95,536

Underlying: Common Stock · 5,000 shares

Expires 2028-06-15

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.

F11 · derivative.exercise_date: The option became fully vested on June 11, 2022.

SEC source: 0001415889-24-018171 · form4-06252024_110654.xml · nonDerivative · entry 7

DIORIO CHRIS PH.D. · CIK 0001677721 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 289,474

F4 · kind: The sales reported by Dr. Diorio were effected pursuant to a Rule 10b5-1 trading plan effective on February 28, 2024.

F6 · 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 $148.20 to $149.13, 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: 0001415889-24-018171 · form4-06252024_110654.xml · nonDerivative · entry 6

DIORIO CHRIS PH.D. · CIK 0001677721 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 292,115

F4 · kind: The sales reported by Dr. Diorio were effected pursuant to a Rule 10b5-1 trading plan effective on February 28, 2024.

F5 · 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 $147.20 to $148.14, 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: 0001415889-24-018171 · form4-06252024_110654.xml · nonDerivative · entry 5

DIORIO CHRIS PH.D. · CIK 0001677721 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 294,474

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: 0001415889-24-018171 · form4-06252024_110654.xml · nonDerivative · entry 4

DIORIO CHRIS PH.D. · CIK 0001677721 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 289,474

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").

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 $147.96 to $148.83, 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: 0001415889-24-018171 · form4-06252024_110654.xml · nonDerivative · entry 3

DIORIO CHRIS PH.D. · CIK 0001677721 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 290,040

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 $146.895 to $147.485, 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: 0001415889-24-018175 · form4-06252024_110647.xml · derivative · entry 4

PHELAN CATHAL G · CIK 0001259761 · Director · CHIEF INNOVATION OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,545

Underlying: Common Stock · 413 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 March 23, 2023, the reporting person was granted 6,610 RSUs. One-sixteenth of these RSUs vested on June 23, 2024.

F5 · derivative.expiration_date: On March 23, 2023, the reporting person was granted 6,610 RSUs. One-sixteenth of these RSUs vested on June 23, 2024.

SEC source: 0001415889-24-018175 · form4-06252024_110647.xml · nonDerivative · entry 1

PHELAN CATHAL G · CIK 0001259761 · Director · CHIEF INNOVATION OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,881

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: 0001415889-24-018174 · form4-06252024_110616.xml · derivative · entry 6

MECKLAI HUSSEIN · CIK 0001908089 · CHIEF OPERATING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,817

Underlying: Common Stock · 528 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 RSU represents a contingent right to receive one share of Impinj common stock.

F6 · derivative.exercise_date: On March 23, 2023, the reporting person was granted 8,460 RSU. One-sixteenth of these RSUs vested on June 23, 2024.

F6 · derivative.expiration_date: On March 23, 2023, the reporting person was granted 8,460 RSU. One-sixteenth of these RSUs vested on June 23, 2024.

SEC source: 0001415889-24-018174 · form4-06252024_110616.xml · derivative · entry 5

MECKLAI HUSSEIN · CIK 0001908089 · CHIEF OPERATING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,938

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 RSU represents a contingent right to receive one share of Impinj common stock.

F5 · derivative.exercise_date: On March 23, 2022, the reporting person was granted 25,000 RSUs. One-sixteenth of these RSUs vested on June 23, 2024.

F5 · derivative.expiration_date: On March 23, 2022, the reporting person was granted 25,000 RSUs. One-sixteenth of these RSUs vested on June 23, 2024.

SEC source: 0001415889-24-018174 · form4-06252024_110616.xml · nonDerivative · entry 2

MECKLAI HUSSEIN · CIK 0001908089 · CHIEF OPERATING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,260

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: 0001415889-24-018174 · form4-06252024_110616.xml · nonDerivative · entry 1

MECKLAI HUSSEIN · CIK 0001908089 · CHIEF OPERATING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,732

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: 0001415889-24-018173 · form4-06252024_110647.xml · derivative · entry 6

DOSSETT JEFFREY · CIK 0001578147 · CHIEF REVENUE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,817

Underlying: Common Stock · 528 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 RSU represents a contingent right to receive one share of Impinj common stock.

F6 · derivative.exercise_date: On March 23, 2023, the reporting person was granted 8,460 RSUs. One-sixteenth of these RSUs vested on June 23, 2024.

F6 · derivative.expiration_date: On March 23, 2023, the reporting person was granted 8,460 RSUs. One-sixteenth of these RSUs vested on June 23, 2024.

SEC source: 0001415889-24-018173 · form4-06252024_110647.xml · derivative · entry 5

DOSSETT JEFFREY · CIK 0001578147 · CHIEF REVENUE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,563

Underlying: Common Stock · 937 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 RSU represents a contingent right to receive one share of Impinj common stock.

F5 · derivative.exercise_date: On March 23, 2022, the reporting person was granted 15,000 RSUs. One-sixteenth of these RSUs vested on June 23, 2024.

F5 · derivative.expiration_date: On March 23, 2022, the reporting person was granted 15,000 RSUs. One-sixteenth of these RSUs vested on June 23, 2024.

SEC source: 0001415889-24-018173 · form4-06252024_110647.xml · nonDerivative · entry 2

DOSSETT JEFFREY · CIK 0001578147 · CHIEF REVENUE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,451

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: 0001415889-24-018173 · form4-06252024_110647.xml · nonDerivative · entry 1

DOSSETT JEFFREY · CIK 0001578147 · CHIEF REVENUE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,923

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: 0001415889-24-018172 · form4-06252024_110623.xml · derivative · entry 6

Baker Cary · CIK 0001705407 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,270

Underlying: Common Stock · 479 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 RSU represents a contingent right to receive one share of Impinj common stock.

F6 · derivative.exercise_date: On March 23, 2023, the reporting person was granted 7,665 RSUs, one sixteenth of which vested on June 23, 2024.

F6 · derivative.expiration_date: On March 23, 2023, the reporting person was granted 7,665 RSUs, one sixteenth of which vested on June 23, 2024.

SEC source: 0001415889-24-018172 · form4-06252024_110623.xml · derivative · entry 5

Baker Cary · CIK 0001705407 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,469

Underlying: Common Stock · 781 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 RSU represents a contingent right to receive one share of Impinj common stock.

F5 · derivative.exercise_date: On March 23, 2022, the reporting person was granted 12,500 RSUs, one sixteenth of which vested on June 23, 2024.

F5 · derivative.expiration_date: On March 23, 2022, the reporting person was granted 12,500 RSUs, one sixteenth of which vested on June 23, 2024.

SEC source: 0001415889-24-018172 · form4-06252024_110623.xml · nonDerivative · entry 2

Baker Cary · CIK 0001705407 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,682

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: 0001415889-24-018172 · form4-06252024_110623.xml · nonDerivative · entry 1

Baker Cary · CIK 0001705407 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,203

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: 0001415889-24-018171 · form4-06252024_110654.xml · derivative · entry 12

DIORIO CHRIS PH.D. · CIK 0001677721 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 13,462

Underlying: Common Stock · 1,223 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.

F8 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Impinj common stock.

F10 · derivative.exercise_date: On March 23, 2023, the reporting person was granted 19,580 RSUs. One-sixteenth of these RSUs vested on June 23, 2024.

F10 · derivative.expiration_date: On March 23, 2023, the reporting person was granted 19,580 RSUs. One-sixteenth of these RSUs vested on June 23, 2024.

SEC source: 0001415889-24-018171 · form4-06252024_110654.xml · derivative · entry 11

DIORIO CHRIS PH.D. · CIK 0001677721 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 18,157

Underlying: Common Stock · 2,593 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.

F8 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Impinj common stock.

F9 · derivative.exercise_date: On March 23, 2022, the reporting person was granted 41,500 RSUs. One-sixteenth of these RSUs vested on June 23, 2024.

F9 · derivative.expiration_date: On March 23, 2022, the reporting person was granted 41,500 RSUs. One-sixteenth of these RSUs vested on June 23, 2024.

SEC source: 0001415889-24-018171 · form4-06252024_110654.xml · nonDerivative · entry 2

DIORIO CHRIS PH.D. · CIK 0001677721 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 290,993

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: 0001415889-24-018171 · form4-06252024_110654.xml · nonDerivative · entry 1

DIORIO CHRIS PH.D. · CIK 0001677721 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 289,770

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: 0001415889-24-017474 · form4-06182024_090610.xml · derivative · entry 14

DIORIO CHRIS PH.D. · CIK 0001677721 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 100,536

Underlying: Common Stock · 5,000 shares

Expires 2028-06-15

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.

F11 · derivative.exercise_date: The option became fully vested on June 11, 2022.

SEC source: 0001415889-24-017474 · form4-06182024_090610.xml · nonDerivative · entry 10

DIORIO CHRIS PH.D. · CIK 0001677721 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 287,177

F4 · kind: The sales reported by Dr. Diorio were effected pursuant to a Rule 10b5-1 trading plan effective on February 28, 2024.

SEC source: 0001415889-24-017474 · form4-06182024_090610.xml · nonDerivative · entry 9

DIORIO CHRIS PH.D. · CIK 0001677721 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 287,178

F4 · kind: The sales reported by Dr. Diorio were effected pursuant to a Rule 10b5-1 trading plan effective on February 28, 2024.

F8 · 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 $150.70 to $151.655, 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.

SEC source: 0001415889-24-017474 · form4-06182024_090610.xml · nonDerivative · entry 8

DIORIO CHRIS PH.D. · CIK 0001677721 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 292,177

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: 0001415889-24-017477 · form4-06182024_090620.xml · nonDerivative · entry 4

MECKLAI HUSSEIN · CIK 0001908089 · CHIEF OPERATING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,170

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").

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 $149.92 to $150.60, 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: 0001415889-24-017477 · form4-06182024_090620.xml · nonDerivative · entry 3

MECKLAI HUSSEIN · CIK 0001908089 · CHIEF OPERATING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,422

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 $148.88 to $149.82, 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: 0001415889-24-017476 · form4-06182024_090655.xml · nonDerivative · entry 3

Baker Cary · CIK 0001705407 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,422

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").

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 $149.90 to $150.74, 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.

SEC source: 0001415889-24-017476 · form4-06182024_090655.xml · nonDerivative · entry 2

Baker Cary · CIK 0001705407 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,578

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 $148.88 to $149.875, 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: 0001415889-24-017475 · form4-06182024_090634.xml · nonDerivative · entry 3

DOSSETT JEFFREY · CIK 0001578147 · CHIEF REVENUE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,986

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").

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 $150.00 to $150.50, 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: 0001415889-24-017475 · form4-06182024_090634.xml · nonDerivative · entry 2

DOSSETT JEFFREY · CIK 0001578147 · CHIEF REVENUE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,353

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 $148.8801 to $149.795, 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: 0001415889-24-017474 · form4-06182024_090610.xml · derivative · entry 13

DIORIO CHRIS PH.D. · CIK 0001677721 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 105,536

Underlying: Common Stock · 5,000 shares

Expires 2028-06-15

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.

F11 · derivative.exercise_date: The option became fully vested on June 11, 2022.

SEC source: 0001415889-24-017474 · form4-06182024_090610.xml · nonDerivative · entry 7

DIORIO CHRIS PH.D. · CIK 0001677721 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 287,177

F4 · kind: The sales reported by Dr. Diorio were effected pursuant to a Rule 10b5-1 trading plan effective on February 28, 2024.

F7 · 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 $149.505 to $149.73, 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: 0001415889-24-017474 · form4-06182024_090610.xml · nonDerivative · entry 6

DIORIO CHRIS PH.D. · CIK 0001677721 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 287,429

F4 · kind: The sales reported by Dr. Diorio were effected pursuant to a Rule 10b5-1 trading plan effective on February 28, 2024.

F6 · 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 $148.40 to $149.33, 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: 0001415889-24-017474 · form4-06182024_090610.xml · nonDerivative · entry 5

DIORIO CHRIS PH.D. · CIK 0001677721 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 290,362

F4 · kind: The sales reported by Dr. Diorio were effected pursuant to a Rule 10b5-1 trading plan effective on February 28, 2024.

F5 · 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 $147.39 to $148.37, 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: 0001415889-24-017474 · form4-06182024_090610.xml · nonDerivative · entry 4

DIORIO CHRIS PH.D. · CIK 0001677721 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 292,177

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: 0001415889-24-017474 · form4-06182024_090610.xml · nonDerivative · entry 3

DIORIO CHRIS PH.D. · CIK 0001677721 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 287,177

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").

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 $149.90 to $150.67, 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: 0001415889-24-017474 · form4-06182024_090610.xml · nonDerivative · entry 2

DIORIO CHRIS PH.D. · CIK 0001677721 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 287,521

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 $148.8801 to $149.82, 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: 0001415889-24-017477 · form4-06182024_090620.xml · derivative · entry 6

MECKLAI HUSSEIN · CIK 0001908089 · CHIEF OPERATING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 469 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 RSU represents a contingent right to receive one share of Impinj common stock.

F6 · derivative.exercise_date: On June 29, 2020, the reporting person was granted 7,500 RSUs. One-sixteenth of these RSUs vested on June 15, 2024.

F6 · derivative.expiration_date: On June 29, 2020, the reporting person was granted 7,500 RSUs. One-sixteenth of these RSUs vested on June 15, 2024.

SEC source: 0001415889-24-017477 · form4-06182024_090620.xml · derivative · entry 5

MECKLAI HUSSEIN · CIK 0001908089 · CHIEF OPERATING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

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.

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

F5 · derivative.exercise_date: On June 15, 2020, the reporting person was granted 12,500 RSUs. One-sixteenth of these RSUs vested on June 15, 2024.

F5 · derivative.expiration_date: On June 15, 2020, the reporting person was granted 12,500 RSUs. One-sixteenth of these RSUs vested on June 15, 2024.

SEC source: 0001415889-24-017477 · form4-06182024_090620.xml · nonDerivative · entry 2

MECKLAI HUSSEIN · CIK 0001908089 · CHIEF OPERATING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,665

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: 0001415889-24-017477 · form4-06182024_090620.xml · nonDerivative · entry 1

MECKLAI HUSSEIN · CIK 0001908089 · CHIEF OPERATING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,196

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: 0001415889-24-017476 · form4-06182024_090655.xml · derivative · entry 4

Baker Cary · CIK 0001705407 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

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.

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

F5 · derivative.exercise_date: On June 15, 2020, the reporting person was granted 12,500 RSUs, one sixteenth of which vested on June 15, 2024.

F5 · derivative.expiration_date: On June 15, 2020, the reporting person was granted 12,500 RSUs, one sixteenth of which vested on June 15, 2024.

SEC source: 0001415889-24-017476 · form4-06182024_090655.xml · nonDerivative · entry 1

Baker Cary · CIK 0001705407 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,730

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.