Cary Baker - 22 Feb 2024 Form 4 Insider Report for IMPINJ INC (PI)

Footnote F1

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 21, 2024, the Issuer's Board of Directors determined the level at which the corporate performance goals were attained, resulting in the vesting of 7,500 shares of Common Stock underlying the PSUs.

Footnote F2

On March 23, 2022, 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 21, 2024, the Issuer's Board of Directors determined the level at which the corporate performance goals were attained, resulting in the vesting of 4,875 shares of Common Stock underlying the PSUs.

Footnote F3

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 F4

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 $100.27 to $100.845, 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.

Footnote F5

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 $101.31 to $102.20, 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.

Footnote F6

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 $103.47 to $104.07, 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.

Footnote F7

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

Footnote F8

On February 24, 2020, the reporting person was granted 60,000 RSUs, one sixteenth of which vested on February 24, 2024.