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Insider activity — ADPTAdaptive Biotechnologies Corp

8 Form 4 filings for ADPT between 2026-07-17 and 2026-08-20, from 6 filers. 8 discretionary (6 sales, 2 purchases). 4 of 8 state a filing-level total, summing to $21,155,388; the rest report only their largest transaction, so the true figure is higher. Prices ran $7 to $25.

Filings 8 Filers 6 Discretionary 8 Routine 0 Structured 1/8

Filings
FiledFilerRoleAction Shares
largest txn
Price Filing totalTxns
2026-08-20 HERSHBERG ROBERT sold 15,664 $24.41 $748,208 3
2026-08-19 ROBINS CHAD M acquired 321,324 $6.55 $14,882,166 6
2026-08-19 NEUPERT PETER M sold 69,690 $25.16 $3,135,850 4
2026-08-12 BOBULSKY SUSAN sold 3,000 $25.00
2026-08-03 BOBULSKY SUSAN sold 1,299 $24.00
2026-07-23 ROBINS HARLAN S acquired 284,800 $6.55 3
2026-07-20 BOBULSKY SUSAN sold 5,000 $23.00
2026-07-17 LO FRANCIS sold 105,762 $22.59 $2,389,164 4
8 filings · 6 filers · disclosed totals only $21,155,388 (4/8)
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