PI

SEC source: 0001209191-21-016438 · doc4.xml · nonDerivative · entry 4

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,528

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 awards of RSUs.

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 $66.165 to $67.05, 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: 0001209191-21-016438 · doc4.xml · nonDerivative · entry 3

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,703

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 awards of RSUs.

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 $65.115 to $66.10, 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: 0001209191-21-016438 · doc4.xml · nonDerivative · entry 2

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,163

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 awards of 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 $64.08 to $64.99, 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: 0001209191-21-016434 · doc4.xml · nonDerivative · entry 5

Baker Cary · CIK 0001705407 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,108

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.

SEC source: 0001209191-21-016434 · doc4.xml · nonDerivative · entry 4

Baker Cary · CIK 0001705407 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,208

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.

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 $65.96 to $66,54, 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. 1

SEC source: 0001209191-21-016434 · doc4.xml · nonDerivative · entry 3

Baker Cary · CIK 0001705407 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,041

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.

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 $64.945 to $65.89, 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: 0001209191-21-016434 · doc4.xml · nonDerivative · entry 2

Baker Cary · CIK 0001705407 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,789

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 $63.91 to $64.85, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.

SEC source: 0001209191-21-016431 · doc4.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 281,714

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.

SEC source: 0001209191-21-016431 · 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: 281,814

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.

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 $65.98 to $66.93, 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: 0001209191-21-016431 · 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: 284,214

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.

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 $64.91 to $65.845, 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: 0001209191-21-016431 · 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: 289,654

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 $63.90 to $64.855, 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: 0001209191-21-016438 · doc4.xml · nonDerivative · entry 1

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,746

F1 · kind: On February 26, 2021, the Reporting Person was granted restricted stock units (RSU's). One hundred percent of the RSUs vested on the grant date.

SEC source: 0001209191-21-016434 · doc4.xml · nonDerivative · entry 1

Baker Cary · CIK 0001705407 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,181

F1 · kind: On June 15, 2020, 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 26, 2021, the Issuer's Board of Directors determined the level at which the corporate performance goals were attained, resulting in the vesting of 15,696 shares of Common Stock underlying the PSUs.

SEC source: 0001209191-21-016431 · 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: 293,864

F1 · shares: On September 18, 2020, 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 26, 2021, the Issuer's Board of Directors determined the level at which the corporate performance goals were attained, resulting in the vesting of 31,440 shares of Common Stock underlying the PSUs.

SEC source: 0001209191-21-014783 · doc4.xml · nonDerivative · entry 2

Baker Cary · CIK 0001705407 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,485

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: 0001209191-21-014783 · doc4.xml · derivative · entry 3

Baker Cary · CIK 0001705407 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,000

Underlying: Common Stock · 15,000 shares

Expires not disclosed

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

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

F3 · derivative.exercise_date: On February 24, 2020, the reporting person was granted 60,000 restricted stock units ("RSUs"), one fourth of which vested on February 24, 2021.

F3 · derivative.expiration_date: On February 24, 2020, the reporting person was granted 60,000 restricted stock units ("RSUs"), one fourth of which vested on February 24, 2021.

SEC source: 0001209191-21-014783 · doc4.xml · nonDerivative · entry 1

Baker Cary · CIK 0001705407 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,500

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: 0001209191-21-013236 · doc4.xml · derivative · entry 3

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,759

Underlying: Common Stock · 1,500 shares

Expires 2028-05-16

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 November 16, 2018, and 1/48th of the shares subject to the option shall vest on the 3rd day of each month thereafter

SEC source: 0001209191-21-013236 · doc4.xml · nonDerivative · entry 2

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,596

SEC source: 0001209191-21-013236 · doc4.xml · nonDerivative · entry 1

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,096

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: 0001209191-21-012571 · 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: 262,424

SEC source: 0001209191-21-012564 · doc4.xml · nonDerivative · entry 4

VAN OPPEN PETER H · CIK 0001057881 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,264

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 $72.45 to $72.84, 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: 0001209191-21-012564 · doc4.xml · nonDerivative · entry 3

VAN OPPEN PETER H · CIK 0001057881 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,264

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 $71.275 to $72.15, 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: 0001209191-21-012564 · doc4.xml · nonDerivative · entry 2

VAN OPPEN PETER H · CIK 0001057881 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,317

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 $70.08 to $71.07, 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: 0001209191-21-012564 · doc4.xml · nonDerivative · entry 1

VAN OPPEN PETER H · CIK 0001057881 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,617

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 $69.00 to $69.19, 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: 0001209191-21-012571 · 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: 267,186

F1 · kind: Distribution of Common Stock held by DFT L.L.C. to its members for no consideration.

F2 · kind: Change from indirect to direct ownership of shares previously reported as beneficially owned by the reporting person.

SEC source: 0001209191-21-012571 · doc4.xml · nonDerivative · entry 1

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: 639,998

F1 · kind: Distribution of Common Stock held by DFT L.L.C. to its members for no consideration.

SEC source: 0001209191-21-006925 · doc4.xml · nonDerivative · entry 3

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,596

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 $56.95 to $57.00, 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: 0001209191-21-006925 · doc4.xml · nonDerivative · entry 2

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,697

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 $55.675 to $56.29, 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: 0001209191-21-006925 · doc4.xml · derivative · entry 4

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,626

Underlying: Common Stock · 1,562 shares

Expires not disclosed

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

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

F5 · derivative.exercise_date: On July 31, 2019, the reporting person was granted 25,000 restricted stock units ("RSUs"). One-sixteenth of these RSUs vested on January 31, 2021.

F5 · 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, 2021.

SEC source: 0001209191-21-006925 · doc4.xml · nonDerivative · entry 1

DOSSETT JEFFREY · CIK 0001578147 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,037

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: 0001209191-21-003710 · doc4.xml · nonDerivative · entry 5

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: 649,999

F1 · kind: The sales reported by DFT, L.L.C. were effected pursuant to a Rule 10b5-1 trading plan adopted on August 26, 2020.

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 $57.22 to $57.28, 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: 0001209191-21-003710 · doc4.xml · nonDerivative · entry 4

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: 651,248

F1 · kind: The sales reported by DFT, L.L.C. were effected pursuant to a Rule 10b5-1 trading plan adopted on August 26, 2020.

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 $56.205 to $57.16, 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: 0001209191-21-003710 · 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: 654,049

F1 · kind: The sales reported by DFT, L.L.C. were effected pursuant to a Rule 10b5-1 trading plan adopted on August 26, 2020.

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 $54.87 to $55.83, 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: 0001209191-21-003710 · doc4.xml · nonDerivative · entry 2

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: 659,999

F1 · kind: The sales reported by DFT, L.L.C. were effected pursuant to a Rule 10b5-1 trading plan adopted on August 26, 2020.

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 $54.75 to $55.22, 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: 0001209191-21-003710 · doc4.xml · nonDerivative · entry 1

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: 661,868

F1 · kind: The sales reported by DFT, L.L.C. were effected pursuant to a Rule 10b5-1 trading plan adopted on August 26, 2020.

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 $53.75 to $54.665, 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: 0001209191-21-003253 · doc4.xml · nonDerivative · entry 7

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: 670,719

F2 · kind: The sales reported by DFT, L.L.C. were effected pursuant to a Rule 10b5-1 trading plan adopted on August 26, 2020.

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 $53.91 to $54.70, 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: 0001209191-21-003253 · doc4.xml · nonDerivative · entry 6

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: 674,802

F2 · kind: The sales reported by DFT, L.L.C. were effected pursuant to a Rule 10b5-1 trading plan adopted on August 26, 2020.

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 $52.91 to $53.88, 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: 0001209191-21-003253 · doc4.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 263,227

F1 · kind: The sales reported by Dr. Diorio were effected pursuant to a Rule 10b5-1 trading plan adopted on August 24, 2020.

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 $54.83 to $55.13, 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: 0001209191-21-003253 · 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: 263,527

F1 · kind: The sales reported by Dr. Diorio were effected pursuant to a Rule 10b5-1 trading plan adopted on August 24, 2020.

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 $53.81 to $54.795, 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: 0001209191-21-003253 · 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: 269,923

F1 · kind: The sales reported by Dr. Diorio were effected pursuant to a Rule 10b5-1 trading plan adopted on August 24, 2020.

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 $52.66 to $53.56, 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: 0001209191-21-003708 · doc4a.xml · nonDerivative · entry 1

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: 669,999

F1 · kind: The sales reported by DFT, L.L.C. were effected pursuant to a Rule 10b5-1 trading plan adopted on August 26, 2020.

F2 · shares: The original Form 4 inadvertently reported the sale of 4,083 shares of common stock by DFT L.L.C. on 1/12/2021. DFT L.L.C. actually sold 4,803 shares of common stock on 1/12/2021.

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 $53.91 to $54.70, 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: 0001209191-21-003253 · doc4.xml · nonDerivative · entry 2

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: 679,999

F2 · kind: The sales reported by DFT, L.L.C. were effected pursuant to a Rule 10b5-1 trading plan adopted on August 26, 2020.

SEC source: 0001209191-21-003253 · 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: 273,227

F1 · kind: The sales reported by Dr. Diorio were effected pursuant to a Rule 10b5-1 trading plan adopted on August 24, 2020.

SEC source: 0001209191-21-002759 · doc4.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,661

Underlying: Common Stock · 2,339 shares

Expires 2026-08-22

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 August 23, 2017, and 1/48th of the shares subject to the option vested each month thereafter.

SEC source: 0001209191-21-002759 · 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: 283,227

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: 0001209191-21-002315 · 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: 280,888

F3 · kind: The sales reported by Dr. Diorio were effected pursuant to a Rule 10b5-1 trading plan adopted on August 24, 2020.

SEC source: 0001209191-21-002315 · 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: 288,608

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 $43.805 to $44,135, 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: 0001209191-21-002315 · doc4.xml · derivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,000

Underlying: Common Stock · 14,000 shares

Expires 2026-08-22

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.

F6 · derivative.exercise_date: One-fourth of the shares subject to the option vested on August 23, 2017, and 1/48th of the shares subject to the option vested each month thereafter.

SEC source: 0001209191-21-002315 · 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: 290,247

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.