InsiderTrades

Form 4 for ADPT Adaptive Biotechnologies Corp

Accepted 2026-06-08 20:29:21 ET · period of report 2026-06-04 · accession 0001780660-26-000015 · 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
DMT 2026-06-08 20:29 2026-06-04 ADPT LO FRANCIS CHRO M - OptEx $8.85 +19.5K 290.7K +7% +$172.8K
DT 2026-06-08 20:29 2026-06-04 ADPT LO FRANCIS CHRO S - Sale+OE $17.49 -39.7K 250.9K -14% -$695.1K
DMT 2026-06-08 20:29 2026-06-04 ADPT LO FRANCIS CHRO M - OptEx $0.00 -19.5K 140.6K -12% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-06-04 M A 5,792 $12.14 276,946 D — — (F1) The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 15, 2025.
2 Common Common Stock 2026-06-04 M A 2,009 $8.46 278,955 D — — (F1) The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 15, 2025.
3 Common Common Stock 2026-06-04 M A 2,344 $3.99 281,299 D — — (F1) The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 15, 2025.
4 Common Common Stock 2026-06-04 M A 9,376 $8.12 290,675 D — — (F1) The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 15, 2025.
5 Common Common Stock 2026-06-04 S D 39,741 $17.49 250,934 D — — (F1) The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 15, 2025.
6 Derivative Stock Option (right to buy) 2026-06-04 M D 5,792 $0.00 171,823 D $12.14 · — to 2032-03-04 5,792 Common Stock (F1) The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 15, 2025. (F2) The option is fully vested and exercisable.
7 Derivative Stock Option (right to buy) 2026-06-04 M D 2,009 $0.00 85,065 D $8.46 · — to 2033-03-06 2,009 Common Stock (F1) The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 15, 2025. (F3) The options vested with respect to 1/4 of such shares on March 4, 2024, with 1/48 of such shares vesting thereafter at the end of each full month of continuous service until fully vested.
8 Derivative Stock Option (right to buy) 2026-06-04 M D 2,344 $0.00 85,953 D $3.99 · — to 2034-03-04 2,344 Common Stock (F1) The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 15, 2025. (F4) The options vested with respect to 1/4 of such shares on March 4, 2025, with 1/48 of such shares vesting thereafter at the end of each full month of continuous service until fully vested.
9 Derivative Stock Option (right to buy) 2026-06-04 M D 9,376 $0.00 140,648 D $8.12 · — to 2035-03-04 9,376 Common Stock (F1) The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 15, 2025. (F5) The options vested with respect to 1/4 of such shares on March 4, 2026, with 1/48 of such shares vesting thereafter at the end of each full month of continuous service until fully vested.