Cathal G. Phelan - 20 May 2025 Form 4 Insider Report for IMPINJ INC (PI)

Role
CHIEF INNOVATION OFFICER, Director
Signature
/s/ Yukio Morikubo, Attorney in fact for Cathal G. Phelan
Issuer symbol
PI
Transactions as of
20 May 2025
Net transactions value
-$60,678
Form type
4
Filing time
21 May 2025, 18:10:38 UTC
Previous filing
25 Mar 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
PHELAN CATHAL G CHIEF INNOVATION OFFICER, Director 400 FAIRVIEW AVE N. SUITE 1200, SEATTLE /s/ Yukio Morikubo, Attorney in fact for Cathal G. Phelan 21 May 2025 0001259761

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction PI Common Stock Options Exercise $0 +1,375 +14% $0.000000 10,923 20 May 2025 Direct
transaction PI Common Stock Tax liability $60,678 -492 -4.5% $123.33 10,431 20 May 2025 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction PI Restricted Stock Units Options Exercise $0 -1,375 -12% $0.000000 9,625 20 May 2025 Common Stock 1,375 $0.000000 Direct F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 In an exempt disposition to the Issuer under Rule 16b-3(e), the Reporting Person remitted shares to the Issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of restricted stock units, or RSUs.
F2 Each restricted stock unit represents a contingent right to receive one share of Impinj common stock.
F3 One-fourth of the shares subject to the grant vested on February 20, 2024, and 1/16th of the shares subject to the grant vest each quarter thereafter, subject to the Reporting Person's continued service to the Issuer through such date.