Chris Ph.d. Diorio - 18 Sep 2025 Form 4 Insider Report for IMPINJ INC (PI)

Role
CHIEF EXECUTIVE OFFICER, Director
Signature
/s/ Yukio Morikubo, Attorney in fact for Chris Diorio
Issuer symbol
PI
Transactions as of
18 Sep 2025
Net transactions value
+$1,746,113
Form type
4
Filing time
19 Sep 2025, 17:48:00 UTC
Previous filing
16 Sep 2025
Next filing
24 Sep 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER, Director 400 FAIRVIEW AVENUE NORTH, SUITE 1200, SEATTLE /s/ Yukio Morikubo, Attorney in fact for Chris Diorio 19 Sep 2025 0001677721

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction PI Common Stock Options Exercise $1,588,507 +47,039 +16% $33.77 344,052 18 Sep 2025 Direct
transaction PI Common Stock Options Exercise $157,606 +7,036 +2% $22.40 351,088 18 Sep 2025 Direct
holding PI Common Stock 199,362 18 Sep 2025 by DFT L.L.C.

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 Stock Option (right to buy) Options Exercise $0 -47,039 -100% $0.000000 0 18 Sep 2025 Common Stock 47,039 $33.77 Direct F1
transaction PI Stock Option (right to buy) Options Exercise $0 -7,036 -23% $0.000000 23,500 18 Sep 2025 Common Stock 7,036 $22.40 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The option became fully vested on July 3, 2021.
F2 The option became fully vested on June 11, 2022.