InsiderTrades

Form 4 for PI IMPINJ INC

Accepted 2026-05-29 17:32:51 ET · period of report 2026-05-28 · accession 0001300840-26-000002 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2026-05-29 17:32 2026-05-28 PI PADVAL UMESH Dir M - OptEx $0.00 +3,114 6,654 +88% $0
D 2026-05-29 17:32 2026-05-28 PI PADVAL UMESH Dir M - OptEx $0.00 -3,114 0 -100% $0
D 2026-05-29 17:32 2026-05-28 PI PADVAL UMESH Dir A - Grant $0.00 +1,896 1,896 New $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-05-28 M A 3,114 $0.00 6,654 D — —
2 Derivative Restricted Stock Units 2026-05-28 M D 3,114 $0.00 0 D $0.00 · — to — 3,114 Common Stock (F1) Each restricted stock unit ("RSU") represents a contingent right to receive one share of Impinj common stock. (F2) On June 5, 2025, the reporting person was granted 3,114 RSUs. These RSUs fully vested on May 28, 2026. (F2) On June 5, 2025, the reporting person was granted 3,114 RSUs. These RSUs fully vested on May 28, 2026.
3 Derivative Restricted Stock Units 2026-05-28 A A 1,896 $0.00 1,896 D $0.00 · — to — 1,896 Common Stock (F1) Each restricted stock unit ("RSU") represents a contingent right to receive one share of Impinj common stock. (F3) The restricted stock units will fully vest on May 28, 2027. (F3) The restricted stock units will fully vest on May 28, 2027.