Cary Baker - 23 Mar 2024 Form 4 Insider Report for IMPINJ INC (PI)

Footnote F1

These shares were disposed of in non-discretionary transactions to cover the reporting person's tax withholding obligations in connection with the settlement of an award of restricted stock units ("RSUs").

Footnote F2

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 $126.81 to $127.60, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.

Footnote F3

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 $127.92 to $128.78, 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.

Footnote F4

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

Footnote F5

On March 23, 2022, the reporting person was granted 12,500 RSUs, one sixteenth of which vested on March 23, 2024.

Footnote F6

On March 23, 2023 the reporting person was granted 7,665 RSUs, one fourth of which vested on March 23, 2024, with an additional one-sixteenth of such RSUs vesting every three months thereafter.

Footnote F7

One-fourth of the shares subject to the grant shall vest on March 23, 2025, and 1/16th of the shares subject to the grant shall vest each quarter thereafter, subject to the Reporting Person's continued service to the Issuer through such date.