IMPINJ INC — Director's Dealing 2021

Oct 5, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IMPINJ INC (PI)
CIK: 0001114995
Period of Report: 2021-10-01

Reporting Person: DIORIO CHRIS PH.D. (Director, Chief Executive Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-10-01	Common Stock	M	3906	$0.00	Acquired	298024	Direct
2021-10-04	Common Stock	S	1603	$53.7835	Disposed	296421	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-10-01	Restricted Stock Units	$0.00	M	3906	Disposed		Common Stock (3906)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	639998	Indirect

Footnotes

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.

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 $53.22 to $54.21, 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.

F3: 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 October 1, 2021.