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

Reporting relationship: CHIEF INNOVATION OFFICER, Director
Issuer ticker: PI
Reported as of: 20 May 2025
Net transaction value: -$60,678
SEC form: 4
Accepted by SEC: 21 May 2025, 18:10:38 UTC
Prior SEC filing: 25 Mar 2025
Source filing: View source filing
Reporting owner signature: /s/ Yukio Morikubo, Attorney in fact for Cathal G. Phelan

Key filing fact

Cathal G. Phelan filed Form 4 for IMPINJ INC (PI) on 21 May 2025.

Key facts

This page summarizes Cathal G. Phelan's Form 4 filing for IMPINJ INC (PI).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 21 May 2025, 18:10.

Change

Previous filing in this sequence was filed on 25 Mar 2025.
Current net transaction value: -$60,678.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001259761 Primary reporting owner

PHELAN CATHAL G

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

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

PI transaction

Common Stock

Options Exercise

Transaction value: $0
Shares: +1,375
Change %: +14%
Price: $0.000000
Shares after: 10,923
Date: 20 May 2025
Ownership: Direct

PI transaction

Common Stock

Tax liability

Transaction value: $60,678
Shares: -492
Change %: -4.5%
Price: $123.33
Shares after: 10,431
Date: 20 May 2025
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

PI transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -1,375
Change %: -12%
Price: $0.000000
Shares after: 9,625
Date: 20 May 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,375
Exercise price: $0.000000
Footnotes: F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote 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.

Footnote F2

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

Footnote 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.