ADPT
Adaptive Biotechnologies Corporation$26.46+0.39 (+1.48%)Prev Close$26.09·MCap$4.21B·P/E—·Vol1.10M·Yield—
▲
Buys (12M)
0
$0.00
▼
Sells (12M)
71
$116.14M
◆
Net Activity
Net Seller
$116.14M
●
Active Insiders
11
last 12 mo
Over the past 12 months, insider activity at Adaptive Biotechnologies Corporation (ADPT) has been exclusively selling, with 0 insider purchases totaling $0.00 and 71 insider sales totaling $116.14M. The most recent insider transaction was by BOBULSKY SUSAN (officer: Chief Commercial Officer, MRD), who sold $193.3K worth of shares on Oct 8, 2026. Adaptive Biotechnologies Corporation operates in the Healthcare sector, within the Biotechnology industry, with a market cap of $4.21B.
ADPT Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Oct 8, 2026 | BOBULSKY SUSAN | officer: Chief Commercial Officer, MRD | Sell | 6,444 | $30.00 | $193.3K | 389,350 |
| Oct 8, 2026 | RUBINSTEIN JULIE | officer: President and COO | Sell | 35,643 | $26.60 | $948.2K | 380,302 |
| Oct 5, 2026 | RUBINSTEIN JULIE | officer: President and COO | Sell | 35,643 | $28.46 | $1.01M | 383,602 |
| Oct 5, 2026 | LO FRANCIS | officer: Chief People Officer | Sell | 26,792 | $28.28 | $757.7K | 239,565 |
| Sep 18, 2026 | LO FRANCIS | officer: Chief People Officer | Sell | 115,406 | $28.06 | $3.24M | 228,736-34% |
| Sep 17, 2026 | BOBULSKY SUSAN | officer: Chief Commercial Officer, MRD | Sell | 1,195 | $27.00 | $32.3K | 395,794 |
| Aug 28, 2026 | OWEN KATEY EINTERZ | director | Sell | 9,615 | $26.00 | $250.0K | 78,639 |
| Aug 20, 2026 | HERSHBERG ROBERT | director | Sell | 30,664 | $24.40 | $748.2K | 62,347-33% |
| Aug 19, 2026 | ROBINS CHAD M | director, officer: CEO and Chairman | Sell | 600,000 | $24.80 | $14.88M | 2,183,043 |
| Aug 19, 2026 | NEUPERT PETER M | director | Sell | 124,690 | $25.15 | $3.14M | 240,315-34% |
| Aug 12, 2026 | BOBULSKY SUSAN | officer: Chief Commercial Officer, MRD | Sell | 3,000 | $25.00 | $75.0K | 396,989 |
| Aug 3, 2026 | BOBULSKY SUSAN | officer: Chief Commercial Officer, MRD | Sell | 1,299 | $24.00 | $31.2K | 399,989 |
| Jul 23, 2026 | ROBINS HARLAN S | officer: Chief Scientific Officer | Sell | 492,400 | $21.89 | $10.78M | 1,025,760-32% |
| Jul 20, 2026 | BOBULSKY SUSAN | officer: Chief Commercial Officer, MRD | Sell | 5,000 | $23.00 | $115.0K | 401,288 |
| Jul 17, 2026 | LO FRANCIS | officer: Chief People Officer | Sell | 105,762 | $22.59 | $2.39M | 230,713-31% |
| Jul 7, 2026 | ROBINS HARLAN S | officer: Chief Scientific Officer | Sell | 386,240 | $22.01 | $8.50M | 1,166,547 |
| Jul 6, 2026 | LO FRANCIS | officer: Chief People Officer | Sell | 95,842 | $22.51 | $2.16M | 279,949-26% |
| Jul 6, 2026 | BOBULSKY SUSAN | officer: Chief Commercial Officer, MRD | Sell | 487 | $22.00 | $10.7K | 406,288 |
| Jun 30, 2026 | BENZENO SHARON | officer: Chief Commercial Ofc Imm Med | Sell | 165,802 | $21.13 | $3.50M | 272,751-38% |
| Jun 29, 2026 | GRIFFIN MICHELLE RENEE | director | Sell | 52,084 | $20.18 | $1.05M | 15,625-77% |
| Jun 29, 2026 | BOBULSKY SUSAN | officer: Chief Commercial Officer, MRD | Sell | 5,000 | $20.50 | $102.5K | 406,775 |
| Jun 17, 2026 | ROBINS HARLAN S | officer: Chief Scientific Officer | Sell | 106,160 | $17.41 | $1.85M | 1,412,058 |
| Jun 15, 2026 | BOBULSKY SUSAN | officer: Chief Commercial Officer, MRD | Sell | 5,000 | $19.00 | $95.0K | 411,775 |
| Jun 8, 2026 | LO FRANCIS | officer: Chief People Officer | Sell | 39,741 | $17.49 | $695.1K | 250,934 |
| Jun 8, 2026 | BOBULSKY SUSAN | officer: Chief Commercial Officer, MRD | Sell | 11,000 | $18.00 | $198.0K | 416,775 |
| May 20, 2026 | PISKEL KYLE | officer: Chief Financial Officer | Sell | 3,115 | $13.04 | $40.6K | 256,725 |
| Apr 29, 2026 | RUBINSTEIN JULIE | officer: President and COO | Sell | 19,037 | $14.23 | $270.9K | 377,802 |
| Apr 24, 2026 | RUBINSTEIN JULIE | officer: President and COO | Sell | 57,180 | $13.96 | $798.4K | 390,808 |
| Apr 21, 2026 | RUBINSTEIN JULIE | officer: President and COO | Sell | 69,061 | $14.60 | $1.01M | 403,822 |
| Apr 16, 2026 | RUBINSTEIN JULIE | officer: President and COO | Sell | 57,180 | $14.45 | $826.3K | 416,836 |
| Apr 13, 2026 | RUBINSTEIN JULIE | officer: President and COO | Sell | 57,180 | $13.26 | $758.1K | 431,950 |
| Apr 10, 2026 | LO FRANCIS | officer: Chief People Officer | Sell | 22,564 | $15.07 | $340.0K | 271,154 |
| Apr 10, 2026 | ROBINS HARLAN S | officer: Chief Scientific Officer | Sell | 10,000 | $14.85 | $148.5K | 1,512,058 |
| Apr 8, 2026 | ROBINS CHAD M | director, officer: CEO and Chairman | Sell | 120,595 | $14.65 | $1.77M | 2,217,781 |
| Apr 8, 2026 | RUBINSTEIN JULIE | officer: President and COO | Sell | 69,061 | $14.34 | $990.5K | 442,864 |
| Apr 2, 2026 | RUBINSTEIN JULIE | officer: President and COO | Sell | 38,120 | $14.53 | $553.7K | 451,540 |
| Mar 31, 2026 | RUBINSTEIN JULIE | officer: President and COO | Sell | 57,180 | $13.14 | $751.3K | 480,876 |
| Mar 26, 2026 | RUBINSTEIN JULIE | officer: President and COO | Sell | 57,180 | $14.03 | $802.2K | 477,568 |
| Mar 23, 2026 | RUBINSTEIN JULIE | officer: President and COO | Sell | 57,180 | $13.46 | $769.6K | 490,582 |
| Mar 18, 2026 | RUBINSTEIN JULIE | officer: President and COO | Sell | 57,180 | $13.33 | $762.2K | 503,596 |
| Mar 13, 2026 | BENZENO SHARON | officer: Chief Commercial Ofc Imm Med | Sell | 63,103 | $13.17 | $831.1K | 272,751 |
| Mar 13, 2026 | BOBULSKY SUSAN | officer: Chief Commercial Officer, MRD | Sell | 41,338 | $13.17 | $544.4K | 427,775 |
| Mar 13, 2026 | GRIFFIN MICHELLE RENEE | director | Sell | 15,394 | $13.91 | $214.1K | 15,625-50% |
| Mar 13, 2026 | LO FRANCIS | officer: Chief People Officer | Sell | 30,593 | $14.08 | $430.7K | 291,374 |
| Mar 13, 2026 | PISKEL KYLE | officer: Chief Financial Officer | Sell | 18,672 | $13.17 | $245.9K | 259,840 |
| Mar 13, 2026 | ROBINS CHAD M | director, officer: CEO and Chairman | Sell | 470,167 | $13.17 | $6.19M | 2,630,713 |
| Mar 13, 2026 | ROBINS HARLAN S | officer: Chief Scientific Officer | Sell | 470,266 | $13.17 | $6.19M | 1,851,658 |
| Mar 13, 2026 | RUBINSTEIN JULIE | officer: President and COO | Sell | 179,703 | $13.21 | $2.37M | 520,948-26% |
| Mar 10, 2026 | RUBINSTEIN JULIE | officer: President and COO | Sell | 81,342 | $14.90 | $1.21M | 652,147 |
| Mar 9, 2026 | LO FRANCIS | officer: Chief People Officer | Sell | 38,074 | $15.09 | $574.5K | 321,967 |
Showing 1–50 of 197
1 / 4
ADPT Insider Buying Activity
The following table shows recent insider purchases of Adaptive Biotechnologies Corporation (ADPT) stock reported via SEC Form 4 filings.
No insider buying activity found for ADPT in the last 12 months.
ADPT Insider Selling Activity
The following table shows recent insider sales of Adaptive Biotechnologies Corporation (ADPT) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Oct 8, 2026 | BOBULSKY SUSAN | officer: Chief Commercial Officer, MRD | Sell | 6,444 | $30.00 | $193.3K | 389,350 |
| Oct 8, 2026 | RUBINSTEIN JULIE | officer: President and COO | Sell | 35,643 | $26.60 | $948.2K | 380,302 |
| Oct 5, 2026 | RUBINSTEIN JULIE | officer: President and COO | Sell | 35,643 | $28.46 | $1.01M | 383,602 |
| Oct 5, 2026 | LO FRANCIS | officer: Chief People Officer | Sell | 26,792 | $28.28 | $757.7K | 239,565 |
| Sep 18, 2026 | LO FRANCIS | officer: Chief People Officer | Sell | 115,406 | $28.06 | $3.24M | 228,736-34% |
| Sep 17, 2026 | BOBULSKY SUSAN | officer: Chief Commercial Officer, MRD | Sell | 1,195 | $27.00 | $32.3K | 395,794 |
| Aug 28, 2026 | OWEN KATEY EINTERZ | director | Sell | 9,615 | $26.00 | $250.0K | 78,639 |
| Aug 20, 2026 | HERSHBERG ROBERT | director | Sell | 30,664 | $24.40 | $748.2K | 62,347-33% |
| Aug 19, 2026 | ROBINS CHAD M | director, officer: CEO and Chairman | Sell | 600,000 | $24.80 | $14.88M | 2,183,043 |
| Aug 19, 2026 | NEUPERT PETER M | director | Sell | 124,690 | $25.15 | $3.14M | 240,315-34% |
| Aug 12, 2026 | BOBULSKY SUSAN | officer: Chief Commercial Officer, MRD | Sell | 3,000 | $25.00 | $75.0K | 396,989 |
| Aug 3, 2026 | BOBULSKY SUSAN | officer: Chief Commercial Officer, MRD | Sell | 1,299 | $24.00 | $31.2K | 399,989 |
| Jul 23, 2026 | ROBINS HARLAN S | officer: Chief Scientific Officer | Sell | 492,400 | $21.89 | $10.78M | 1,025,760-32% |
| Jul 20, 2026 | BOBULSKY SUSAN | officer: Chief Commercial Officer, MRD | Sell | 5,000 | $23.00 | $115.0K | 401,288 |
| Jul 17, 2026 | LO FRANCIS | officer: Chief People Officer | Sell | 105,762 | $22.59 | $2.39M | 230,713-31% |
| Jul 7, 2026 | ROBINS HARLAN S | officer: Chief Scientific Officer | Sell | 386,240 | $22.01 | $8.50M | 1,166,547 |
| Jul 6, 2026 | LO FRANCIS | officer: Chief People Officer | Sell | 95,842 | $22.51 | $2.16M | 279,949-26% |
| Jul 6, 2026 | BOBULSKY SUSAN | officer: Chief Commercial Officer, MRD | Sell | 487 | $22.00 | $10.7K | 406,288 |
| Jun 30, 2026 | BENZENO SHARON | officer: Chief Commercial Ofc Imm Med | Sell | 165,802 | $21.13 | $3.50M | 272,751-38% |
| Jun 29, 2026 | GRIFFIN MICHELLE RENEE | director | Sell | 52,084 | $20.18 | $1.05M | 15,625-77% |
| Jun 29, 2026 | BOBULSKY SUSAN | officer: Chief Commercial Officer, MRD | Sell | 5,000 | $20.50 | $102.5K | 406,775 |
| Jun 17, 2026 | ROBINS HARLAN S | officer: Chief Scientific Officer | Sell | 106,160 | $17.41 | $1.85M | 1,412,058 |
| Jun 15, 2026 | BOBULSKY SUSAN | officer: Chief Commercial Officer, MRD | Sell | 5,000 | $19.00 | $95.0K | 411,775 |
| Jun 8, 2026 | LO FRANCIS | officer: Chief People Officer | Sell | 39,741 | $17.49 | $695.1K | 250,934 |
| Jun 8, 2026 | BOBULSKY SUSAN | officer: Chief Commercial Officer, MRD | Sell | 11,000 | $18.00 | $198.0K | 416,775 |
| May 20, 2026 | PISKEL KYLE | officer: Chief Financial Officer | Sell | 3,115 | $13.04 | $40.6K | 256,725 |
| Apr 29, 2026 | RUBINSTEIN JULIE | officer: President and COO | Sell | 19,037 | $14.23 | $270.9K | 377,802 |
| Apr 24, 2026 | RUBINSTEIN JULIE | officer: President and COO | Sell | 57,180 | $13.96 | $798.4K | 390,808 |
| Apr 21, 2026 | RUBINSTEIN JULIE | officer: President and COO | Sell | 69,061 | $14.60 | $1.01M | 403,822 |
| Apr 16, 2026 | RUBINSTEIN JULIE | officer: President and COO | Sell | 57,180 | $14.45 | $826.3K | 416,836 |
| Apr 13, 2026 | RUBINSTEIN JULIE | officer: President and COO | Sell | 57,180 | $13.26 | $758.1K | 431,950 |
| Apr 10, 2026 | LO FRANCIS | officer: Chief People Officer | Sell | 22,564 | $15.07 | $340.0K | 271,154 |
| Apr 10, 2026 | ROBINS HARLAN S | officer: Chief Scientific Officer | Sell | 10,000 | $14.85 | $148.5K | 1,512,058 |
| Apr 8, 2026 | ROBINS CHAD M | director, officer: CEO and Chairman | Sell | 120,595 | $14.65 | $1.77M | 2,217,781 |
| Apr 8, 2026 | RUBINSTEIN JULIE | officer: President and COO | Sell | 69,061 | $14.34 | $990.5K | 442,864 |
| Apr 2, 2026 | RUBINSTEIN JULIE | officer: President and COO | Sell | 38,120 | $14.53 | $553.7K | 451,540 |
| Mar 31, 2026 | RUBINSTEIN JULIE | officer: President and COO | Sell | 57,180 | $13.14 | $751.3K | 480,876 |
| Mar 26, 2026 | RUBINSTEIN JULIE | officer: President and COO | Sell | 57,180 | $14.03 | $802.2K | 477,568 |
| Mar 23, 2026 | RUBINSTEIN JULIE | officer: President and COO | Sell | 57,180 | $13.46 | $769.6K | 490,582 |
| Mar 18, 2026 | RUBINSTEIN JULIE | officer: President and COO | Sell | 57,180 | $13.33 | $762.2K | 503,596 |
| Mar 13, 2026 | BENZENO SHARON | officer: Chief Commercial Ofc Imm Med | Sell | 63,103 | $13.17 | $831.1K | 272,751 |
| Mar 13, 2026 | BOBULSKY SUSAN | officer: Chief Commercial Officer, MRD | Sell | 41,338 | $13.17 | $544.4K | 427,775 |
| Mar 13, 2026 | GRIFFIN MICHELLE RENEE | director | Sell | 15,394 | $13.91 | $214.1K | 15,625-50% |
| Mar 13, 2026 | LO FRANCIS | officer: Chief People Officer | Sell | 30,593 | $14.08 | $430.7K | 291,374 |
| Mar 13, 2026 | PISKEL KYLE | officer: Chief Financial Officer | Sell | 18,672 | $13.17 | $245.9K | 259,840 |
| Mar 13, 2026 | ROBINS CHAD M | director, officer: CEO and Chairman | Sell | 470,167 | $13.17 | $6.19M | 2,630,713 |
| Mar 13, 2026 | ROBINS HARLAN S | officer: Chief Scientific Officer | Sell | 470,266 | $13.17 | $6.19M | 1,851,658 |
| Mar 13, 2026 | RUBINSTEIN JULIE | officer: President and COO | Sell | 179,703 | $13.21 | $2.37M | 520,948-26% |
| Mar 10, 2026 | RUBINSTEIN JULIE | officer: President and COO | Sell | 81,342 | $14.90 | $1.21M | 652,147 |
| Mar 9, 2026 | LO FRANCIS | officer: Chief People Officer | Sell | 38,074 | $15.09 | $574.5K | 321,967 |
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