PI

SEC source: 0001209191-22-013732 · doc4.xml · derivative · entry 3

Baker Cary · CIK 0001705407 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,000

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 February 24, 2022.

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 February 24, 2022.

SEC source: 0001209191-22-013732 · doc4.xml · nonDerivative · entry 1

Baker Cary · CIK 0001705407 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,058

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: 0001209191-22-010945 · doc4.xml · derivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 135,536

Underlying: Common Stock · 4,464 shares

Expires 2018-06-15

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.

F1 · derivative.exercise_date: One-fourth of the shares subject to the option vested on June 11, 2019, and 1/48th of the shares subject to the option vest each month thereafter.

SEC source: 0001209191-22-010945 · doc4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 302,736

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: 0001209191-22-010945 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 298,272

SEC source: 0001209191-22-010945 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 303,034

SEC source: 0001209191-22-009802 · doc4.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 308,034

F4 · kind: Distribution of Common Stock held by DFT L.L.C. to its members for no consideration.

F5 · kind: Change from indirect to direct ownership of shares previously reported as beneficially owned by the reporting person.

SEC source: 0001209191-22-009802 · doc4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By DFT L.L.C.

Disclosed balance after: 589,994

F4 · kind: Distribution of Common Stock held by DFT L.L.C. to its members for no consideration.

SEC source: 0001209191-22-009810 · doc4.xml · nonDerivative · entry 2

Baker Cary · CIK 0001705407 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,308

F2 · 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.

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 $66.97 to $70.91, 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: 0001209191-22-009806 · doc4.xml · nonDerivative · entry 3

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,128

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 $67.02 to $70.91, 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: 0001209191-22-009802 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 293,747

F2 · 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.

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 $66.92 to $71.01 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: 0001209191-22-009800 · doc4.xml · nonDerivative · entry 2

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,383

F2 · 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.

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 $66.88 to $70.84, 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: 0001627436-23-000002 · primary_doc.xml · nonDerivative · entry 3

Sylebra Capital Ltd · CIK 0001627436 · 10% owner

Gibson Daniel Patrick · CIK 0001745725 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 2,848,085

F3 · balance_after: The original Form 4, filed on February 14, 2023, is being amended by this Form 4 amendment solely to correct an administrative error, which misreported the amount of securities beneficially owned following the reported transaction as 2,768,085, when in fact the amount of securities beneficially owned following the reported transaction is 2,848,085.

F1 · ownership.nature: Sylebra Capital Limited (Sylebra HK) is the investment sub-adviser to Sylebra Capital Partners Master Fund, Ltd. (SCPMF), Sylebra Capital Parc Master Fund (PARCMF),Sylebra Capital Menlo Master Fund (MENLO MF), and other advisory clients. Sylebra Capital Management (Sylebra Cayman) is the investment manager and parent of Sylebra HK. Sylebra Cayman owns 100% of the shares of Sylebra HK. Daniel Gibson (Mr. Gibson) owns more than 99% of the shares of Sylebra Cayman. In such capacities, Sylebra HK, Sylebra Cayman and Mr. Gibson may be deemed to share voting and dispositive power over the shares of common stock of the Issuer held by SCP MF, PARCMF, MENLO MF, and other advisory clients

F2 · ownership.nature: These securities are held by SCP MF, PARC MF, MENLO MF, and other advisory clients. Mr. Gibson is a member of the board of directors of the Issuer. Sylebra HK, Sylebra Cayman and Mr. Gibson disclaim beneficial ownership of these securities, and this report shall not be deemed an admission that Sylebra HK, Sylebra Cayman and Mr. Gibson are the beneficial owners of such securities, except to the extent of their pecuniary interest, if any, therein.

SEC source: 0001627436-23-000001 · primary_doc.xml · nonDerivative · entry 2

Sylebra Capital Ltd · CIK 0001627436 · 10% owner

Gibson Daniel Patrick · CIK 0001745725 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 2,808,085

F1 · ownership.nature: Sylebra Capital Limited (Sylebra HK) is the investment sub-adviser to Sylebra Capital Partners Master Fund, Ltd. (SCPMF), Sylebra Capital Parc Master Fund (PARC MF),Sylebra Capital Menlo Master Fund (MENLO MF), and other advisory clients. Sylebra Capital Management (Sylebra Cayman) is the investment manager and parent of Sylebra HK. Sylebra Cayman owns 100% of the shares of Sylebra HK. Daniel Gibson (Mr. Gibson) owns more than 99% of the shares of Sylebra Cayman. In such capacities, Sylebra HK, Sylebra Cayman and Mr. Gibson may be deemed to share voting and dispositive power over the shares of common stock of the Issuer held by SCP MF, PARC MF, MENLO MF, and other advisory clients.

F2 · ownership.nature: These securities are held by SCP MF, PARC MF, MENLO MF, and other advisory clients. Mr. Gibson is a member of the board of directors of the Issuer. Sylebra HK, Sylebra Cayman and Mr. Gibson disclaim beneficial ownership of these securities, and this report shall not be deemed an admission that Sylebra HK, Sylebra Cayman and Mr. Gibson are the beneficial owners of such securities, except to the extent of their pecuniary interest, if any, therein.

SEC source: 0001627436-23-000002 · primary_doc.xml · nonDerivative · entry 2

Sylebra Capital Ltd · CIK 0001627436 · 10% owner

Gibson Daniel Patrick · CIK 0001745725 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 2,808,085

F1 · ownership.nature: Sylebra Capital Limited (Sylebra HK) is the investment sub-adviser to Sylebra Capital Partners Master Fund, Ltd. (SCPMF), Sylebra Capital Parc Master Fund (PARCMF),Sylebra Capital Menlo Master Fund (MENLO MF), and other advisory clients. Sylebra Capital Management (Sylebra Cayman) is the investment manager and parent of Sylebra HK. Sylebra Cayman owns 100% of the shares of Sylebra HK. Daniel Gibson (Mr. Gibson) owns more than 99% of the shares of Sylebra Cayman. In such capacities, Sylebra HK, Sylebra Cayman and Mr. Gibson may be deemed to share voting and dispositive power over the shares of common stock of the Issuer held by SCP MF, PARCMF, MENLO MF, and other advisory clients

F2 · ownership.nature: These securities are held by SCP MF, PARC MF, MENLO MF, and other advisory clients. Mr. Gibson is a member of the board of directors of the Issuer. Sylebra HK, Sylebra Cayman and Mr. Gibson disclaim beneficial ownership of these securities, and this report shall not be deemed an admission that Sylebra HK, Sylebra Cayman and Mr. Gibson are the beneficial owners of such securities, except to the extent of their pecuniary interest, if any, therein.

SEC source: 0001209191-22-009810 · doc4.xml · nonDerivative · entry 1

Baker Cary · CIK 0001705407 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,794

F1 · shares: On April 7, 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 11, 2022, the Issuer's Board of Directors determined the level at which the corporate performance goals were attained, resulting in the vesting of 14,049 shares of Common Stock underlying the PSUs.

SEC source: 0001209191-22-009806 · doc4.xml · nonDerivative · entry 2

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,730

F2 · shares: On April 7, 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 11, 2022, the Issuer's Board of Directors determined the level at which the corporate performance goals were attained, resulting in the vesting of 18,794 shares of Common Stock underlying the PSUs.

SEC source: 0001209191-22-009806 · doc4.xml · nonDerivative · entry 1

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,936

F1 · 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 $68.73 to $70.00, 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: 0001209191-22-009802 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 303,373

F1 · shares: On April 7, 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 11, 2022, the Issuer's Board of Directors determined the level at which the corporate performance goals were attained, resulting in the vesting of 23,801 shares of Common Stock underlying the PSUs.

SEC source: 0001209191-22-009800 · doc4.xml · nonDerivative · entry 1

MECKLAI HUSSEIN · CIK 0001908089 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,896

F1 · shares: On April 7, 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 11, 2022, the Issuer's Board of Directors determined the level at which the corporate performance goals were attained, resulting in the vesting of 15,975 shares of Common Stock underlying the PSUs.

SEC source: 0001209191-22-009795 · doc4.xml · derivative · entry 3

PHELAN CATHAL G · CIK 0001259761 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,000

Underlying: Common Stock · 20,000 shares

Expires 2030-09-18

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_date: The option was approved on September 18, 2020 by the Compensation Committee of the Issuer's Board of Directors in connection with certain consulting services being provided by the Reporting Person. 1/24th of the shares subject to the option shall vest on October 21, 2020 and 1/24th of the shares subject to the option shall vest on each month thereafter, subject to the Reporting Person's continued service to the Issuer through each such date.

SEC source: 0001209191-22-009795 · doc4.xml · nonDerivative · entry 2

PHELAN CATHAL G · CIK 0001259761 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,260

SEC source: 0001209191-22-009795 · doc4.xml · nonDerivative · entry 1

PHELAN CATHAL G · CIK 0001259761 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,260

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: 0000899243-22-004602 · doc4.xml · derivative · entry 1

Rao Meera · CIK 0001480603 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,132

Underlying: Common Stock · 1,132 shares

Expires 2032-02-01

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: The RSUs will fully vest on 02/01/2023.

SEC source: 0001209191-22-024437 · doc4.xml · nonDerivative · entry 2

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,154

F2 · 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 $79.14 to $79.545, 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.

F1 · balance_after: The Form 4 filed on February 2, 2021 omitted one share. The current Form 4 reflects the total number of shares beneficially owned.

SEC source: 0001209191-22-036460 · doc4a.xml · derivative · entry 1

Rao Meera · CIK 0001480603 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,139

Underlying: Common Stock · 1,139 shares

Expires 2032-02-01

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

F2 · shares: The original Form 4 incorrectly reported the reporting person's receipt of 1,132 RSUs on February 1, 2022. The reporting person actually received 1,139 RSUs on such date.

F3 · derivative.exercise_date: The RSUs will fully vest on 02/01/2023.

SEC source: 0001209191-22-024437 · doc4.xml · derivative · entry 5

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,375

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.

F5 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Impinj common stock.

F6 · derivative.exercise_date: On July 31, 2019, the reporting person was granted 25,000 restricted stock units ("RSUs"). One-sixteenth of these RSUs vested on January 31, 2022.

F6 · derivative.expiration_date: On July 31, 2019, the reporting person was granted 25,000 restricted stock units ("RSUs"). One-sixteenth of these RSUs vested on January 31, 2022.

F1 · balance_after: The Form 4 filed on February 2, 2021 omitted one share. The current Form 4 reflects the total number of shares beneficially owned.

SEC source: 0001209191-22-024437 · doc4.xml · nonDerivative · entry 1

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,861

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 · balance_after: The Form 4 filed on February 2, 2021 omitted one share. The current Form 4 reflects the total number of shares beneficially owned.

SEC source: 0000899243-22-000586 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 279,572

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 $87.0550 to $87.7150, 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: 0000899243-22-000586 · doc4.xml · derivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,438

Underlying: Common Stock · 3,906 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 September 5, 2019, the reporting person was granted 62,500 restricted stock units ("RSUs"), one fourth of which vested on July 1, 2020, with an additional one-sixteenth of such RSUs vesting every three months thereafter. One-sixteenth of these RSUs vested on January 1, 2022.

F4 · derivative.expiration_date: On September 5, 2019, the reporting person was granted 62,500 restricted stock units ("RSUs"), one fourth of which vested on July 1, 2020, with an additional one-sixteenth of such RSUs vesting every three months thereafter. One-sixteenth of these RSUs vested on January 1, 2022.

SEC source: 0000899243-22-000586 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 281,220

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: 0001209191-21-070438 · doc4.xml · nonDerivative · entry 2

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,936

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 $80.9601 to $81.15, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.

SEC source: 0001209191-21-070436 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 277,314

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 $80.97 to $81.20, 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: 0001209191-21-070434 · doc4.xml · nonDerivative · entry 2

Baker Cary · CIK 0001705407 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,745

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 $80.52 to $81.375, 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: 0001209191-21-070438 · doc4.xml · derivative · entry 3

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,750

Underlying: Common Stock · 1,875 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 30,000 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, 2021.

F4 · derivative.expiration_date: On June 15, 2020, the reporting person was granted 30,000 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, 2021.

SEC source: 0001209191-21-070438 · doc4.xml · nonDerivative · entry 1

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,741

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: 0001209191-21-070436 · doc4.xml · derivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,625

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 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, 2021.

F4 · derivative.expiration_date: On June 15, 2020, the reporting person was granted 25,000 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, 2021.

SEC source: 0001209191-21-070436 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 277,984

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: 0001209191-21-070434 · doc4.xml · derivative · entry 3

Baker Cary · CIK 0001705407 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,813

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, 2021.

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, 2021.

SEC source: 0001209191-21-070434 · doc4.xml · nonDerivative · entry 1

Baker Cary · CIK 0001705407 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,082

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: 0001209191-22-007793 · doc5.xml · nonDerivative · entry 1

VAN OPPEN PETER H · CIK 0001057881 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,200

SEC source: 0001209191-21-068809 · doc4.xml · nonDerivative · entry 1

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,866

F1 · 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 $82.34 to $83.26, 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: 0001209191-21-069047 · doc4.xml · nonDerivative · entry 1

Baker Cary · CIK 0001705407 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,301

F1 · 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 $82.57 to $82.99, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.

SEC source: 0001209191-21-067698 · doc4.xml · derivative · entry 2

PADVAL UMESH · CIK 0001300840 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,662 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 November 30, 2020, the Reporting Person was granted restricted stock units. The restricted stock units fully vested on November 30, 2021.

F2 · derivative.expiration_date: On November 30, 2020, the Reporting Person was granted restricted stock units. The restricted stock units fully vested on November 30, 2021.

SEC source: 0001209191-21-067698 · doc4.xml · nonDerivative · entry 1

PADVAL UMESH · CIK 0001300840 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,662

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: 0001209191-21-067007 · doc4.xml · nonDerivative · entry 3

Baker Cary · CIK 0001705407 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,801

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.

SEC source: 0001209191-21-067007 · doc4.xml · nonDerivative · entry 2

Baker Cary · CIK 0001705407 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,921

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 $73.6601 to $74.59, 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: 0001209191-21-067007 · doc4.xml · derivative · entry 4

Baker Cary · CIK 0001705407 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,750

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 November 24, 2021.

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 November 24, 2021.

SEC source: 0001209191-21-067007 · doc4.xml · nonDerivative · entry 1

Baker Cary · CIK 0001705407 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,316

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: 0001627436-21-000001 · primary_doc.xml · nonDerivative · entry 1

Sylebra Capital Ltd · CIK 0001627436 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Control person of managed funds

Disclosed balance after: 3,397,337