DIORIO CHRIS PH.D. 4

4 · IMPINJ INC · Filed Sep 24, 2025

Form 4

Period: 2025-09-23

DirectorCHIEF EXECUTIVE OFFICER

Transactions

Exercise/Conversion
Common Stock
2025-09-23+1,818→ 356,724 total
Exercise/Conversion
Restricted Stock Units
2025-09-23−1,224→ 7,343 total
Exercise: $0.00→ Common Stock (1,224 underlying)
Exercise/Conversion
Common Stock
2025-09-23+1,224→ 354,906 total
Tax Payment
Common Stock
2025-09-23$184.97/sh−2,219$410,448→ 354,505 total
Exercise/Conversion
Common Stock
2025-09-23+2,594→ 353,682 total
Exercise/Conversion
Restricted Stock Units
2025-09-23−2,594→ 5,188 total
Exercise: $0.00→ Common Stock (2,594 underlying)
Exercise/Conversion
Restricted Stock Units
2025-09-23−1,818→ 18,172 total
Exercise: $0.00→ Common Stock (1,818 underlying)

Holdings

Footnotes (5)

[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.
[F2]Each RSU represents a contingent right to receive one share of Impinj common stock.
[F3]On March 23, 2022, the reporting person was granted 41,500 RSUs. One-sixteenth of these vested on September 23, 2025.
[F4]On March 23, 2023, the reporting person was granted 19,580 RSUs. One-sixteenth of these vested on September 23, 2025.
[F5]On March 23, 2024, the reporting person was granted 29,075 RSUs. One-sixteenth of these vested on September 23, 2025.

Documents

1 file