MECKLAI HUSSEIN

SEC source: 0001209191-23-019680 · doc4.xml · nonDerivative · entry 3

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,372

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 $128.98 to 129.96, 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: 0001209191-23-019680 · doc4.xml · derivative · entry 6

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,344

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 restricted stock unit 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 restricted stock units ("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 March 15, 2023.

F6 · derivative.expiration_date: On June 29, 2020, the reporting person was granted 7,500 restricted stock units ("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 March 15, 2023.

SEC source: 0001209191-23-019680 · doc4.xml · derivative · entry 5

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,907

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 restricted stock unit 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 restricted stock units ("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 March 15, 2023.

F5 · derivative.expiration_date: On June 15, 2020, the reporting person was granted 12,500 restricted stock units ("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 March 15, 2023.

SEC source: 0001209191-23-019680 · doc4.xml · nonDerivative · entry 2

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,675

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: 0001209191-23-019680 · doc4.xml · nonDerivative · entry 1

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,206

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: 0001209191-23-014196 · doc4.xml · derivative · entry 3

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,384

Underlying: Common Stock · 6,000 shares

Expires 2028-12-10

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_date: One-fourth of the shares subject to the option vested on December 5, 2019, and 1/48th of the shares subject to the option shall vest each month thereafter, subject to the Reporting Person's continued service to the Issuer through such date.

SEC source: 0001209191-23-014196 · doc4.xml · nonDerivative · entry 2

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,425

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

SEC source: 0001209191-23-014196 · doc4.xml · nonDerivative · entry 1

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,425

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: 0001209191-23-013508 · doc4.xml · nonDerivative · entry 4

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,425

F3 · 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.

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 $128.135 to $128.48, 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: 0001209191-23-013508 · doc4.xml · nonDerivative · entry 3

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,762

F3 · 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.

F4 · 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 $127.09 to $128.055, 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: 0001209191-23-013508 · doc4.xml · nonDerivative · entry 2

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,226

F2 · shares: On March 23, 2022, the Reporting Person was granted PSUs. The PSUs vested upon the Reporting Person's satisfaction of certain performance criteria. On February 23, 2023, the Issuer's Board of Directors determined the level at which the corporate performance goals were attained, resulting in the vesting of 3,053 shares of Common Stock underlying the PSUs.

SEC source: 0001209191-23-013508 · doc4.xml · nonDerivative · entry 1

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,173

F1 · shares: On April 12, 2021, 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 23, 2023, the Issuer's Board of Directors determined the level at which the corporate performance goals were attained, resulting in the vesting of 8,750 shares of Common Stock underlying the PSUs.

SEC source: 0001209191-23-009801 · doc4.xml · derivative · entry 3

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,459

Underlying: Common Stock · 1,041 shares

Expires 2029-07-31

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_date: One-fourth of the shares subject to the option vested July 31, 2020, and 1/48th of the shares subject to the option shall vest each month thereafter, subject to the Reporting Person's continued service to the Issuer through such date.

SEC source: 0001209191-23-009801 · doc4.xml · nonDerivative · entry 2

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,423

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

SEC source: 0001209191-23-009801 · doc4.xml · nonDerivative · entry 1

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,464

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: 0001209191-23-008799 · doc4.xml · derivative · entry 6

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,813

Underlying: Common Stock · 781 shares

Expires 2030-06-29

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_date: One-fourth of the shares subject to the option vested on June 15, 2021, and 1/48th of the shares subject to the option shall vest each month thereafter, subject to the Reporting Person's continued service to the Issuer through such date.

SEC source: 0001209191-23-008799 · doc4.xml · derivative · entry 5

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,688

Underlying: Common Stock · 1,302 shares

Expires 2030-06-15

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.

F3 · derivative.exercise_date: One-fourth of the shares subject to the option vested on June 15, 2021, and 1/48th of the shares subject to the option shall vest each month thereafter, subject to the Reporting Person's continued service to the Issuer through such date.

SEC source: 0001209191-23-008799 · doc4.xml · nonDerivative · entry 4

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,423

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

SEC source: 0001209191-23-008799 · doc4.xml · nonDerivative · entry 3

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,725

F1 · kind: The sales reported by Mr. Mecklai 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 $122.26 to $123.06, 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.

SEC source: 0001209191-23-008799 · doc4.xml · nonDerivative · entry 2

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,570

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: 0001209191-23-008799 · doc4.xml · nonDerivative · entry 1

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,789

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: 0001209191-23-005973 · doc4.xml · nonDerivative · entry 2

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,487

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 $133.0101 to $133.225, 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: 0001209191-23-005973 · doc4.xml · derivative · entry 3

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,250

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 January 31, 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 January 31, 2023.

SEC source: 0001209191-23-005973 · doc4.xml · nonDerivative · entry 1

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,737

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: 0001209191-23-003550 · doc4.xml · nonDerivative · entry 2

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,112

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 $120.38 to $121.0601, 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: 0001209191-23-003550 · doc4.xml · derivative · entry 3

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,844

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 January 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 January 12, 2023.

SEC source: 0001209191-23-003550 · doc4.xml · nonDerivative · entry 1

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,627

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: 0001209191-22-061996 · doc4.xml · nonDerivative · entry 3

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,533

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 $109.6401 to $109.87, 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: 0001209191-22-061996 · doc4.xml · derivative · entry 5

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,813

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.

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

F5 · derivative.exercise_date: On June 29, 2020, the reporting person was granted 7,500 restricted stock units ("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 December 15, 2022.

F5 · derivative.expiration_date: On June 29, 2020, the reporting person was granted 7,500 restricted stock units ("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 December 15, 2022.

SEC source: 0001209191-22-061996 · doc4.xml · derivative · entry 4

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,688

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.

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 restricted stock units ("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 December 15, 2022.

F4 · derivative.expiration_date: On June 15, 2020, the reporting person was granted 12,500 restricted stock units ("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 December 15, 2022.

SEC source: 0001209191-22-061996 · doc4.xml · nonDerivative · entry 2

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,024

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: 0001209191-22-061996 · doc4.xml · nonDerivative · entry 1

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,555

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: 0001209191-22-055383 · doc4.xml · nonDerivative · entry 2

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,774

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 $111.93 to $112.00, 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.

SEC source: 0001209191-22-055383 · doc4.xml · derivative · entry 3

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,875

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 October 31 2022.

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 October 31 2022.

SEC source: 0001209191-22-055383 · doc4.xml · nonDerivative · entry 1

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,026

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: 0001209191-22-055132 · doc4.xml · derivative · entry 8

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,384

Underlying: Common Stock · 9,000 shares

Expires 2028-12-10

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_date: One-fourth of the shares subject to the option vested on December 5, 2019, and 1/48th of the shares subject to the option shall vest each month thereafter, subject to the Reporting Person's continued service to the Issuer through such date.

SEC source: 0001209191-22-055132 · doc4.xml · nonDerivative · entry 7

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,401

F1 · kind: The sales reported by Mr. Mecklai were effected pursuant to a Rule 10b5-1 trading plan effective on February 11, 2022.

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 $112.75 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.

SEC source: 0001209191-22-055132 · doc4.xml · nonDerivative · entry 6

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,965

F1 · kind: The sales reported by Mr. Mecklai were effected pursuant to a Rule 10b5-1 trading plan effective on February 11, 2022.

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 $111.50 to $112.49, 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: 0001209191-22-055132 · doc4.xml · nonDerivative · entry 5

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,194

F1 · kind: The sales reported by Mr. Mecklai were effected pursuant to a Rule 10b5-1 trading plan effective on February 11, 2022.

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 $110.50 to 111.47, 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.

SEC source: 0001209191-22-055132 · doc4.xml · nonDerivative · entry 4

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,753

F1 · kind: The sales reported by Mr. Mecklai were effected pursuant to a Rule 10b5-1 trading plan effective on February 11, 2022.

F4 · 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 $109.47 to $110.46, 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: 0001209191-22-055132 · doc4.xml · nonDerivative · entry 3

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,251

F1 · kind: The sales reported by Mr. Mecklai were effected pursuant to a Rule 10b5-1 trading plan effective on February 11, 2022.

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 $108.47 to $109.37, 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: 0001209191-22-055132 · doc4.xml · nonDerivative · entry 2

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,501

F1 · kind: The sales reported by Mr. Mecklai were effected pursuant to a Rule 10b5-1 trading plan effective on February 11, 2022.

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 $107.42 to $108.40, 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: 0001209191-22-055132 · doc4.xml · nonDerivative · entry 1

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,401

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: 0001209191-22-053678 · doc4.xml · nonDerivative · entry 3

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,401

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 $79.62 to $80.2301, 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: 0001209191-22-053678 · doc4.xml · nonDerivative · entry 2

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,548

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 $78.57 to $79.41, 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: 0001209191-22-053678 · doc4.xml · derivative · entry 4

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,938

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.

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 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 October 12, 2022.

F5 · 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 October 12, 2022.

SEC source: 0001209191-22-053678 · doc4.xml · nonDerivative · entry 1

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,828

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: 0001209191-22-050652 · doc4.xml · nonDerivative · entry 4

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,734

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 $88.17 to $88.54, 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: 0001209191-22-050652 · doc4.xml · nonDerivative · entry 3

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,914

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 $87.1401 to $88.14, 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: 0001209191-22-050652 · doc4.xml · derivative · entry 6

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,282

Underlying: Common Stock · 468 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.

F6 · derivative.exercise_date: On June 29, 2020, the reporting person was granted 7,500 restricted stock units ("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 September 15, 2022.

F6 · derivative.expiration_date: On June 29, 2020, the reporting person was granted 7,500 restricted stock units ("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 September 15, 2022.