ADPTAdaptive Biotechnologies Corp
Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-08-21.
Insider buys (90d)
$0.00
Insider sells (90d)
$50.32M
Net flow
$-50.32M
Filings
18
Buy transactions
0
Sell transactions
30
Distinct insiders
8
Last close (cached)
$25.99
as of 2026-08-21
1d return
+2.2%
5d return
+5.1%
1m return
+16.5%
Top insiders trading ADPT (90d)
Recent transactions (50)
| Filed | Txn date | Insider | Code | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-08-21 | 2026-08-18 | HERSHBERG ROBERT Director | Sale | 15,664 | $24.41 | $382.4K | open → |
| 2026-08-21 | 2026-08-18 | HERSHBERG ROBERT Director | Sale | 15,000 | $24.39 | $365.9K | open → |
| 2026-08-21 | 2026-08-18 | HERSHBERG ROBERT Director | Exer. | 15,000 | $6.32 | $94.8K | open → |
| 2026-08-20 | 2026-08-18 | ROBINS CHAD M OfficerDirector | Sale | 204 | $25.14 | $5.1K | open → |
| 2026-08-20 | 2026-08-18 | ROBINS CHAD M OfficerDirector | Sale | 278,472 | $24.48 | $6.82M | open → |
| 2026-08-20 | 2026-08-18 | ROBINS CHAD M OfficerDirector | Exer. | 278,676 | $6.55 | $1.83M | open → |
| 2026-08-20 | 2026-08-17 | ROBINS CHAD M OfficerDirector | Sale | 2,525 | $25.57 | $64.6K | open → |
| 2026-08-20 | 2026-08-17 | ROBINS CHAD M OfficerDirector | Sale | 318,799 | $25.08 | $8.00M | open → |
| 2026-08-20 | 2026-08-17 | ROBINS CHAD M OfficerDirector | Exer. | 321,324 | $6.55 | $2.10M | open → |
| 2026-08-20 | 2026-08-17 | NEUPERT PETER M Director | Sale | 69,690 | $25.16 | $1.75M | open → |
| 2026-08-20 | 2026-08-17 | NEUPERT PETER M Director | Sale | 40,000 | $25.10 | $1.00M | open → |
| 2026-08-20 | 2026-08-17 | NEUPERT PETER M Director | Sale | 15,000 | $25.23 | $378.4K | open → |
| 2026-08-20 | 2026-08-17 | NEUPERT PETER M Director | Exer. | 15,000 | $6.32 | $94.8K | open → |
| 2026-08-12 | 2026-08-10 | BOBULSKY SUSAN Officer | Sale | 3,000 | $25.00 | $75.0K | open → |
| 2026-08-03 | 2026-07-30 | BOBULSKY SUSAN Officer | Sale | 1,299 | $24.00 | $31.2K | open → |
| 2026-07-23 | 2026-07-21 | ROBINS HARLAN S Officer | Sale | 213,702 | $22.12 | $4.73M | open → |
| 2026-07-23 | 2026-07-21 | ROBINS HARLAN S Officer | Sale | 278,698 | $21.72 | $6.05M | open → |
| 2026-07-23 | 2026-07-21 | ROBINS HARLAN S Officer | Exer. | 284,800 | $6.55 | $1.87M | open → |
| 2026-07-20 | 2026-07-16 | BOBULSKY SUSAN Officer | Sale | 5,000 | $23.00 | $115.0K | open → |
| 2026-07-17 | 2026-07-15 | LO FRANCIS Officer | Sale | 105,762 | $22.59 | $2.39M | open → |
| 2026-07-17 | 2026-07-15 | LO FRANCIS Officer | Exer. | 22,711 | $8.46 | $192.1K | open → |
| 2026-07-17 | 2026-07-15 | LO FRANCIS Officer | Exer. | 23,677 | $12.14 | $287.4K | open → |
| 2026-07-17 | 2026-07-15 | LO FRANCIS Officer | Exer. | 59,374 | $7.80 | $463.1K | open → |
| 2026-07-07 | 2026-07-02 | ROBINS HARLAN S Officer | Sale | 146,889 | $22.45 | $3.30M | open → |
| 2026-07-07 | 2026-07-02 | ROBINS HARLAN S Officer | Sale | 239,351 | $21.74 | $5.20M | open → |
| 2026-07-06 | 2026-07-02 | LO FRANCIS Officer | Sale | 44,838 | $22.59 | $1.01M | open → |
| 2026-07-06 | 2026-07-02 | LO FRANCIS Officer | Exer. | 12,637 | $8.46 | $106.9K | open → |
| 2026-07-06 | 2026-07-02 | LO FRANCIS Officer | Exer. | 12,600 | $12.14 | $153.0K | open → |
| 2026-07-06 | 2026-07-02 | LO FRANCIS Officer | Exer. | 12,626 | $7.80 | $98.5K | open → |
| 2026-07-06 | 2026-07-01 | LO FRANCIS Officer | Sale | 42,261 | $22.50 | $950.9K | open → |
| 2026-07-06 | 2026-07-01 | LO FRANCIS Officer | Sale | 8,743 | $22.18 | $193.9K | open → |
| 2026-07-06 | 2026-07-01 | LO FRANCIS Officer | Exer. | 14,064 | $8.12 | $114.2K | open → |
| 2026-07-06 | 2026-07-01 | LO FRANCIS Officer | Exer. | 4,688 | $3.99 | $18.7K | open → |
| 2026-07-06 | 2026-07-01 | LO FRANCIS Officer | Exer. | 12,206 | $8.46 | $103.3K | open → |
| 2026-07-06 | 2026-07-01 | LO FRANCIS Officer | Exer. | 3,300 | $12.14 | $40.1K | open → |
| 2026-07-06 | 2026-07-01 | LO FRANCIS Officer | Exer. | 3,500 | $7.80 | $27.3K | open → |
| 2026-07-06 | 2026-07-01 | BOBULSKY SUSAN Officer | Sale | 487 | $22.00 | $10.7K | open → |
| 2026-06-30 | 2026-06-29 | BENZENO SHARON Officer | Sale | 154,768 | $21.14 | $3.27M | open → |
| 2026-06-30 | 2026-06-29 | BENZENO SHARON Officer | Exer. | 51,570 | $8.12 | $418.7K | open → |
| 2026-06-30 | 2026-06-29 | BENZENO SHARON Officer | Exer. | 24,944 | $3.99 | $99.5K | open → |
| 2026-06-30 | 2026-06-29 | BENZENO SHARON Officer | Exer. | 24,944 | $8.46 | $211.0K | open → |
| 2026-06-30 | 2026-06-29 | BENZENO SHARON Officer | Exer. | 1,837 | $12.14 | $22.3K | open → |
| 2026-06-30 | 2026-06-26 | BENZENO SHARON Officer | Sale | 11,034 | $21.00 | $231.7K | open → |
| 2026-06-30 | 2026-06-26 | BENZENO SHARON Officer | Exer. | 11,034 | $12.14 | $134.0K | open → |
| 2026-06-29 | 2026-06-25 | BOBULSKY SUSAN Officer | Sale | 5,000 | $20.50 | $102.5K | open → |
| 2026-06-29 | 2026-06-25 | GRIFFIN MICHELLE RENEE Director | Sale | 52,084 | $20.18 | $1.05M | open → |
| 2026-06-29 | 2026-06-25 | GRIFFIN MICHELLE RENEE Director | Exer. | 52,084 | $7.80 | $406.3K | open → |
| 2026-06-18 | 2026-06-16 | ROBINS HARLAN S Officer | Sale | 6,160 | $18.01 | $110.9K | open → |
| 2026-06-18 | 2026-06-15 | ROBINS HARLAN S Officer | Sale | 100,000 | $17.37 | $1.74M | open → |
| 2026-06-15 | 2026-06-11 | BOBULSKY SUSAN Officer | Sale | 5,000 | $19.00 | $95.0K | open → |
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