InsiderTrades

Form 4 for ADPT Adaptive Biotechnologies Corp

Accepted 2026-08-28 17:50:00 ET · period of report 2026-08-26 · accession 0001852578-26-000005 · 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
2026-08-28 17:50 2026-08-26 ADPT OWEN KATEY EINTERZ Dir S - Sale $26.00 -9,615 78.6K -11% -$250.0K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-08-26 S D 9,615 $26.00 78,639 D — —