ADPT Adaptive Biotechnologies Corporation

NASDAQ
$24.20

Adaptive Biotechnologies Corporation (ADPT) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

Insider signal In line Selling ran in line with ADPT's own trailing one-year pace, with 70% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 9 sellers in the last 90 days
Insiders buying
0
0 transactions
Insiders selling
11
126 transactions
Purchases
$0
0 shares
Sales
$118.7M
6,707,204 shares
Net activity
-$118.7M
purchases less sales

How much of that selling was preplanned? 70% planned / 30% discretionary

10b5-1 plan sales $82.9M 103 transactions · 4,676,377 shares
Discretionary sales $35.8M 23 transactions · 2,030,827 shares

Largest single sale: $8.0M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

No open-market insider purchase on record.

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
OWEN KATEY EINTERZ Director Sell 9,615 $26.00 $250.0K 78,639 −10.9% of holding
ROBINS CHAD M 2 fills CEO and Chairman Sell 278,676 $24.48 $6.8M 2,180,722 −11.3% of holding
HERSHBERG ROBERT 2 fills Director Sell 30,664 $24.40 $748.2K 62,347 −33% of holding
ROBINS CHAD M 2 fills CEO and Chairman Sell 321,324 $25.08 $8.1M 2,183,043 −12.8% of holding
NEUPERT PETER M 3 fills Director Sell 124,690 $25.15 $3.1M 240,315 −34.2% of holding
BOBULSKY SUSAN Chief Commercial Officer, MRD Sell 10b5-1 3,000 $25.00 $75.0K 396,989 −0.8% of holding
BOBULSKY SUSAN Chief Commercial Officer, MRD Sell 10b5-1 1,299 $24.00 $31.2K 399,989 −0.3% of holding
ROBINS HARLAN S 2 fills Chief Scientific Officer Sell 10b5-1 492,400 $21.89 $10.8M 1,025,760 −32.4% of holding
BOBULSKY SUSAN Chief Commercial Officer, MRD Sell 10b5-1 5,000 $23.00 $115.0K 401,288 −1.2% of holding
LO FRANCIS Chief People Officer Sell 10b5-1 105,762 $22.59 $2.4M 230,713 −31.4% of holding
ROBINS HARLAN S 2 fills Chief Scientific Officer Sell 10b5-1 386,240 $22.01 $8.5M 1,166,547 −24.9% of holding
LO FRANCIS Chief People Officer Sell 10b5-1 44,838 $22.59 $1.0M 230,713 −16.3% of holding
LO FRANCIS 2 fills Chief People Officer Sell 10b5-1 51,004 $22.45 $1.1M 279,949 −15.4% of holding
BOBULSKY SUSAN Chief Commercial Officer, MRD Sell 10b5-1 487 $22.00 $10.7K 406,288 −0.1% of holding
BENZENO SHARON Chief Commercial Ofc Imm Med Sell 10b5-1 154,768 $21.14 $3.3M 221,278 −41.2% of holding
BENZENO SHARON Chief Commercial Ofc Imm Med Sell 10b5-1 11,034 $21.00 $231.7K 272,751 −3.9% of holding
GRIFFIN MICHELLE RENEE Director Sell 10b5-1 52,084 $20.18 $1.1M 15,625 −76.9% of holding
BOBULSKY SUSAN Chief Commercial Officer, MRD Sell 10b5-1 5,000 $20.50 $102.5K 406,775 −1.2% of holding
ROBINS HARLAN S Chief Scientific Officer Sell 10b5-1 6,160 $18.01 $110.9K 1,405,898 −0.4% of holding
ROBINS HARLAN S Chief Scientific Officer Sell 10b5-1 100,000 $17.37 $1.7M 1,412,058 −6.6% of holding
BOBULSKY SUSAN Chief Commercial Officer, MRD Sell 10b5-1 5,000 $19.00 $95.0K 411,775 −1.2% of holding
LO FRANCIS Chief People Officer Sell 10b5-1 39,741 $17.49 $695.1K 250,934 −13.7% of holding
BOBULSKY SUSAN Chief Commercial Officer, MRD Sell 10b5-1 11,000 $18.00 $198.0K 416,775 −2.6% of holding
PISKEL KYLE Chief Financial Officer Sell 3,115 $13.04 $40.6K 256,725 −1.2% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 19,037 $14.23 $270.9K 377,802 −4.8% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 19,060 $14.02 $267.2K 382,132 −4.8% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 19,060 $13.74 $261.9K 386,470 −4.7% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 19,060 $14.13 $269.3K 390,808 −4.7% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 30,941 $14.66 $453.6K 395,146 −7.3% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 19,060 $14.55 $277.3K 399,484 −4.6% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 19,060 $14.57 $277.7K 403,822 −4.5% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 19,060 $14.18 $270.3K 408,160 −4.5% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 19,060 $14.61 $278.5K 412,498 −4.4% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 19,060 $14.56 $277.5K 416,836 −4.4% of holding
RUBINSTEIN JULIE 2 fills President and COO Sell 10b5-1 19,060 $13.15 $250.6K 424,512 −4.3% of holding
RUBINSTEIN JULIE 2 fills President and COO Sell 10b5-1 19,060 $12.77 $243.3K 425,912 −4.3% of holding
RUBINSTEIN JULIE 2 fills President and COO Sell 10b5-1 19,060 $13.86 $264.2K 431,950 −4.2% of holding
ROBINS CHAD M CEO and Chairman Sell 10b5-1 37,263 $15.19 $566.0K 2,180,518 −1.7% of holding
RUBINSTEIN JULIE 2 fills President and COO Sell 10b5-1 30,941 $14.83 $458.9K 434,288 −6.7% of holding
LO FRANCIS Chief People Officer Sell 10b5-1 22,564 $15.07 $340.0K 271,154 −7.7% of holding
ROBINS HARLAN S Chief Scientific Officer Sell 10b5-1 10,000 $14.85 $148.5K 1,512,058 −0.7% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 19,060 $13.56 $258.5K 438,526 −4.2% of holding
ROBINS CHAD M CEO and Chairman Sell 10b5-1 83,332 $14.41 $1.2M 2,217,781 −3.6% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 19,060 $14.33 $273.1K 442,864 −4.1% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 19,060 $14.60 $278.3K 447,202 −4.1% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 19,060 $14.45 $275.4K 451,540 −4.1% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 19,060 $13.45 $256.4K 455,878 −4% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 19,060 $12.63 $240.7K 460,216 −4% of holding
RUBINSTEIN JULIE 2 fills President and COO Sell 10b5-1 19,060 $13.34 $254.2K 480,876 −3.8% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 19,060 $14.12 $269.1K 468,892 −3.9% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 19,060 $14.27 $272.0K 473,230 −3.9% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 19,060 $13.70 $261.1K 477,568 −3.8% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 19,060 $13.83 $263.6K 481,906 −3.8% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 19,060 $13.37 $254.8K 486,244 −3.8% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 19,060 $13.18 $251.2K 490,582 −3.7% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 19,060 $13.18 $251.2K 494,920 −3.7% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 19,060 $13.40 $255.4K 499,258 −3.7% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 19,060 $13.41 $255.6K 503,596 −3.6% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 19,060 $12.96 $247.0K 507,934 −3.6% of holding
RUBINSTEIN JULIE 2 fills President and COO Sell 10b5-1 19,060 $12.86 $245.0K 517,672 −3.6% of holding
ROBINS HARLAN S 2 fills Chief Scientific Officer Sell 470,266 $13.17 $6.2M 1,851,658 −20.3% of holding
ROBINS CHAD M 2 fills CEO and Chairman Sell 470,167 $13.17 $6.2M 2,630,713 −15.2% of holding
RUBINSTEIN JULIE President and COO Sell 122,523 $13.17 $1.6M 520,948 −19% of holding
BENZENO SHARON Chief Commercial Ofc Imm Med Sell 63,103 $13.17 $831.1K 272,751 −18.8% of holding
BOBULSKY SUSAN Chief Commercial Officer, MRD Sell 41,338 $13.17 $544.4K 427,775 −8.8% of holding
LO FRANCIS Chief People Officer Sell 10b5-1 30,593 $14.08 $430.7K 291,374 −9.5% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 19,060 $14.08 $268.4K 516,610 −3.6% of holding
PISKEL KYLE Chief Financial Officer Sell 18,672 $13.17 $245.9K 259,840 −6.7% of holding
GRIFFIN MICHELLE RENEE Director Sell 15,394 $13.91 $214.1K 15,625 −49.6% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 19,460 $14.68 $285.7K 643,471 −2.9% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 30,941 $14.79 $457.6K 647,809 −4.6% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 30,941 $15.14 $468.4K 652,147 −4.5% of holding
LO FRANCIS Chief People Officer Sell 38,074 $15.09 $574.5K 321,967 −10.6% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 30,941 $16.00 $495.1K 575,235 −5.1% of holding
RUBINSTEIN JULIE President and COO Sell 10b5-1 30,941 $16.60 $513.6K 579,573 −5.1% of holding
ROBINS CHAD M 2 fills CEO and Chairman Sell 10b5-1 53,083 $15.52 $823.8K 1,936,627 −2.7% of holding
GRIFFIN MICHELLE RENEE Director Sell 10b5-1 48,044 $15.30 $735.1K 15,394 −75.7% of holding
RUBINSTEIN JULIE 2 fills President and COO Sell 10b5-1 30,941 $15.67 $484.8K 590,429 −5% of holding
ROBINS HARLAN S Chief Scientific Officer Sell 10b5-1 14,233 $16.52 $235.1K 1,155,291 −1.2% of holding
ROBINS CHAD M CEO and Chairman Sell 10b5-1 289,024 $15.82 $4.6M 1,987,330 −12.7% of holding
ROBINS HARLAN S Chief Scientific Officer Sell 10b5-1 10,000 $15.72 $157.2K 1,169,524 −0.8% of holding
ROBINS CHAD M CEO and Chairman Sell 10b5-1 182,891 $15.99 $2.9M 2,276,354 −7.4% of holding
PISKEL KYLE Chief Financial Officer Sell 10b5-1 2,145 $18.46 $39.6K 216,637 −1% of holding
ROBINS HARLAN S Chief Scientific Officer Sell 10b5-1 8,120 $19.00 $154.3K 1,179,524 −0.7% of holding
ROBINS CHAD M CEO and Chairman Sell 10b5-1 124,998 $18.44 $2.3M 2,459,245 −4.8% of holding
ROBINS HARLAN S Chief Scientific Officer Sell 10b5-1 34,668 $18.60 $644.8K 1,187,644 −2.8% of holding
LO FRANCIS Chief People Officer Sell 10b5-1 79,590 $17.73 $1.4M 315,978 −20.1% of holding
PISKEL KYLE Chief Financial Officer Sell 10b5-1 4,290 $18.00 $77.2K 216,637 −1.9% of holding
ROBINS HARLAN S Chief Scientific Officer Sell 10b5-1 10,000 $16.44 $164.4K 1,222,312 −0.8% of holding
ROBINS CHAD M CEO and Chairman Sell 10b5-1 124,998 $15.59 $1.9M 2,584,243 −4.6% of holding
LO FRANCIS Chief People Officer Sell 10b5-1 3,125 $16.08 $50.3K 315,978 −1% of holding
LO FRANCIS 2 fills Chief People Officer Sell 10b5-1 8,788 $17.50 $153.8K 315,978 −2.7% of holding
LO FRANCIS Chief People Officer Sell 10b5-1 113,890 $15.57 $1.8M 315,978 −26.5% of holding
HERSHBERG ROBERT Director Sell 22,968 $16.00 $367.5K 46,722 −33% of holding
BENZENO SHARON Chief Commercial Ofc Imm Med Sell 10b5-1 12,604 $16.85 $212.4K 296,791 −4.1% of holding
ROBINS HARLAN S Chief Scientific Officer Sell 10b5-1 10,000 $16.61 $166.1K 1,232,312 −0.8% of holding
ROBINS HARLAN S Chief Scientific Officer Sell 10b5-1 27,212 $18.61 $506.4K 1,242,312 −2.1% of holding
ROBINS CHAD M CEO and Chairman Sell 10b5-1 124,998 $18.94 $2.4M 2,709,241 −4.4% of holding
PISKEL KYLE Chief Financial Officer Sell 10b5-1 162,820 $19.50 $3.2M 216,637 −42.9% of holding
ROBINS CHAD M CEO and Chairman Sell 10b5-1 35,736 $19.68 $703.3K 2,834,239 −1.2% of holding
BENZENO SHARON Chief Commercial Ofc Imm Med Sell 10b5-1 308,477 $16.91 $5.2M 296,791 −51% of holding
BENZENO SHARON Chief Commercial Ofc Imm Med Sell 10b5-1 297,925 $16.54 $4.9M 296,791 −50.1% of holding
PISKEL KYLE Chief Financial Officer Sell 238 $14.05 $3.3K 269,343 −0.1% of holding
ROBINS CHAD M CEO and Chairman Sell 10b5-1 1,867 $15.00 $28.0K 2,869,975 −0.1% of holding
ROBINS CHAD M CEO and Chairman Sell 10b5-1 1,237 $14.57 $18.0K 2,871,851 −0% of holding
ROBINS CHAD M CEO and Chairman Sell 10b5-1 86,161 $14.73 $1.3M 2,873,088 −2.9% of holding
ROBINS HARLAN S Chief Scientific Officer Sell 10b5-1 10,000 $14.82 $148.2K 1,269,524 −0.8% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.