Key facts
- This page summarizes Chris Ph.d. Diorio's Form 4 filing for IMPINJ INC (PI).
- 2 reported transactions and 1 derivative row are listed below.
- Accepted by SEC: 30 Oct 2025, 18:14.
Chris Ph.d. Diorio - 30 Oct 2025 Form 4 Insider Report for IMPINJ INC (PI)
- Reporting relationship
- CHIEF EXECUTIVE OFFICER, Director
- Issuer ticker
- PI
- Reported as of
- 30 Oct 2025
- Net transaction value
- +$526,400
- SEC form
- 4
- Accepted by SEC
- 30 Oct 2025, 18:14:44 UTC
- Prior SEC filing
- 24 Sep 2025
- Next SEC filing
- 20 Nov 2025
- Source filing
- View source filing
- Reporting owner signature
- /s/ Yukio Morikubo, Attorney in fact for Chris Diorio
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Chris Ph.d. Diorio filed Form 4 for IMPINJ INC (PI) on 30 Oct 2025.
Change
- Previous filing in this sequence was filed on 24 Sep 2025.
- Current net transaction value: +$526,400.
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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001677721
Primary reporting owner
DIORIO CHRIS PH.D.
- Relationship
- CHIEF EXECUTIVE OFFICER, Director
- Address
- 400 FAIRVIEW AVENUE NORTH, SUITE 1200, SEATTLE
- Signature
- /s/ Yukio Morikubo, Attorney in fact for Chris Diorio
- Signature date
- 30 Oct 2025
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
PI
transaction
Common Stock
Options Exercise
- Transaction value
- $526,400
- Shares
- +23,500
- Change %
- +6.6%
- Price
- $22.40
- Shares after
- 378,005
- Date
- 30 Oct 2025
- Ownership
- Direct
PI
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 199,362
- Date
- 30 Oct 2025
- Ownership
- by DFT L.L.C.
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
PI
transaction
Derivative
Stock Option (right to buy)
Options Exercise
- Transaction value
- $0
- Shares
- -23,500
- Change %
- -100%
- Price
- $0.000000
- Shares after
- 0
- Date
- 30 Oct 2025
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 23,500
- Exercise price
- $22.40
- Footnotes
- F1
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 1 footnote
Footnote F1
The option became fully vested on June 11, 2022.