Key facts
- This page summarizes Chris Ph.d. Diorio's Form 4 filing for IMPINJ INC (PI).
- 5 reported transactions and 2 derivative rows are listed below.
- Accepted by SEC: 24 Jun 2026, 17:10.
Chris Ph.d. Diorio - 23 Jun 2026 Form 4 Insider Report for IMPINJ INC (PI)
- Reporting relationship
- CHIEF EXECUTIVE OFFICER, Director
- Issuer ticker
- PI
- Reported as of
- 23 Jun 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 24 Jun 2026, 17:10:27 UTC
- Prior SEC filing
- 16 Jun 2026
- 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.
4 source fields
Reporting owner
1 detail
Key filing fact
Chris Ph.d. Diorio filed Form 4 for IMPINJ INC (PI) on 24 Jun 2026.
Change
- Previous filing in this sequence was filed on 16 Jun 2026.
- 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
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
- 24 Jun 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
PI
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +1,223
- Change %
- +0.32%
- Price
- $0.000000*
- Shares after
- 381,525
- Date
- 23 Jun 2026
- Ownership
- Direct
PI
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +1,817
- Change %
- +0.48%
- Price
- $0.000000*
- Shares after
- 383,342
- Date
- 23 Jun 2026
- Ownership
- Direct
PI
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -1,197
- Change %
- -0.31%
- Price
- $125.22*
- Shares after
- 382,145
- Date
- 23 Jun 2026
- Ownership
- Direct
- Footnotes
- F1
PI
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 199,362
- Date
- 23 Jun 2026
- Ownership
- by DFT L.L.C.
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
- Shares
- -1,223
- Change %
- -25%
- Price
- $0.000000*
- Shares after
- 3,672
- Date
- 23 Jun 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 1,223
- Exercise price
- $0.000000
- Footnotes
- F2, F3
PI
transaction
Derivative
Restricted Stock Units
Options Exercise
- Transaction value
- Shares
- -1,817
- Change %
- -12%
- Price
- $0.000000*
- Shares after
- 12,721
- Date
- 23 Jun 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 1,817
- 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
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 RSU represents a contingent right to receive one share of Impinj common stock.
Footnote F3
On March 23, 2023, the reporting person was granted 19,580 RSUs. One-sixteenth of these vested on June 23, 2026.
Footnote F4
On March 23, 2024, the reporting person was granted 29,075 RSUs. One-sixteenth of these vested on June 23, 2026.