Daniel Patrick Gibson - 05 Jun 2025 Form 4 Insider Report for IMPINJ INC (PI)

Reporting relationship: Director
Issuer ticker: PI
Reported as of: 05 Jun 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 06 Jun 2025, 16:37:33 UTC
Prior SEC filing: 12 Jun 2023
Next SEC filing: 29 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Yukio Morikubo, Attorney in fact for Daniel Patrick Gibson

Key filing fact

Daniel Patrick Gibson filed Form 4 for IMPINJ INC (PI) on 06 Jun 2025.

Key facts

This page summarizes Daniel Patrick Gibson's Form 4 filing for IMPINJ INC (PI).
3 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 06 Jun 2025, 16:37.

Change

Previous filing in this sequence was filed on 12 Jun 2023.
Current net transaction value: $0.

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 0001745725 Primary reporting owner

Gibson Daniel Patrick

Relationship: Director
Address: C/O IMPINJ, INC., 400 FAIRVIEW AVENUE NORTH, SUITE 1200, SEATTLE
Signature: /s/ Yukio Morikubo, Attorney in fact for Daniel Patrick Gibson
Signature date: 06 Jun 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: +1,811
Change %: +10%
Price: $0.000000
Shares after: 19,896
Date: 05 Jun 2025
Ownership: Direct

PI holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 2,129,260
Date: 05 Jun 2025
Ownership: See footnote
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: -1,811
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 05 Jun 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,811
Exercise price: $0.000000
Footnotes: F2, F3

PI transaction Derivative

Restricted Stock Units

Award

Transaction value: $0
Shares: +3,114
Change %
Price: $0.000000
Shares after: 3,114
Date: 05 Jun 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 3,114
Exercise price: $0.000000
Footnotes: F2, F4

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

Sylebra Capital Limited (Sylebra HK) and Sylebra Capital LLC (Sylebra US) are the investment sub-advisers to Sylebra Capital Partners Master Fund, Ltd. (SCP MF), Sylebra Capital Parc Master Fund (PARC MF), Sylebra Capital Menlo Master Fund (MENLO MF), and other advisory clients. Sylebra Capital Management (Sylebra Cayman) is the investment manager and parent of Sylebra HK. Sylebra Cayman owns 100% of the shares of Sylebra HK, and Daniel Patrick Gibson (Gibson) owns 100% of Class A shares of Sylebra Cayman and 100% of the share capital of Sylebra US. Gibson is a founder and Chief Investment Officer of Sylebra Cayman. In such capacities, Sylebra HK, Sylebra US, Sylebra Cayman and Gibson may be deemed to share voting and dispositive power over the shares of common stock of the Issuer held by SCP MF, PARC MF, MENLO MF, and other advisory clients.

Footnote F2

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

Footnote F3

On June 6, 2024, the reporting person was granted 1,811 RSUs. These RSUs fully vested on June 5, 2025.

Footnote F4

The RSUs will fully vest on the earlier of June 5, 2026 or the date of the 2026 annual meeting of stockholders.