United States Biotechnology & Medical Research

Adaptive Biotechnologies Corp (ADPT)

Track

Adaptive Biotechnologies Corp has seen significant insider selling over the past 90 days, with 36 transactions totaling over $62 million in sales. Key executives, including the Chief Scientific Officer and Chief People Officer, have executed planned and proposed sales. This activity follows a 66.8% stock price increase and a recent earnings report that missed EPS expectations.
Ticker: ADPT Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Adaptive Biotechnologies Corp. Upgrade to see score, net flow, insiders and the full signal context.

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Planned sale 30 Jul 2026
Value US$3,963,157.46 | Price 252.03 | Shares 59,485 (+12.4%)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-08-03 2026-07-30 PlS Planned sale
2.1
BOBULSKY SUSAN

Chief Commercial Officer, MRD

Officer
59,485 +12.4%
252.03
US$3,963,157 		59,485 +12.4% 252.03 US$3,963,157
2026-07-30 2026-07-30 PrS Proposed sale
2.1
SUSAN BOBULSKY

Officer

Officer
60,756
281.34
US$1,965,974 		60,756 281.34 US$1,965,974
2026-07-23 2026-07-21 PlS Planned sale
2.1
ROBINS HARLAN S

Chief Scientific Officer

Officer
14,418 +27.6%
427.90
US$3,366,727 		14,418 +27.6% 427.90 US$3,366,727
2026-07-23 2026-07-21 PlS Planned sale
2.1
ROBINS HARLAN S

Chief Scientific Officer

Officer
1,000 -21.4%
21.72
US$100,000 		1,000 -21.4% 21.72 US$100,000
2026-07-21 2026-07-21 PrS Proposed sale
2.1
Harlan Robins

Officer

Officer
1,000
22.58
US$100,000 		1,000 22.58 US$100,000
2026-07-20 2026-07-16 PlS Planned sale
2.1
BOBULSKY SUSAN

Chief Commercial Officer, MRD

Officer
1,000 -1.2%
23.00
US$100,000 		1,000 -1.2% 23.00 US$100,000
2026-07-16 2026-07-16 PrS Proposed sale
2.1
SUSAN BOBULSKY

Officer

Officer
5,000
22.90
US$114,500 		5,000 22.90 US$114,500
2026-07-17 2026-07-15 PlS Planned sale
2.6
LO FRANCIS

Chief People Officer

Officer
105,762 -31.4%
22.59
US$2,389,164 		105,762 -31.4% 22.59 US$2,389,164
2026-07-07 2026-07-02 PlS Planned sale
2.1
ROBINS HARLAN S

Chief Scientific Officer

Officer
146,889 -12.6%
22.45
US$3,297,658 		146,889 -12.6% 22.45 US$3,297,658
2026-07-07 2026-07-02 PlS Planned sale
2.1
ROBINS HARLAN S

Chief Scientific Officer

Officer
239,351 -17.0%
21.74
US$5,203,491 		239,351 -17.0% 21.74 US$5,203,491
2026-07-06 2026-07-02 PlS Planned sale
2.6
LO FRANCIS

Chief People Officer

Officer
44,838 -16.3%
22.59
US$1,012,890 		44,838 -16.3% 22.59 US$1,012,890
2026-07-02 2026-07-02 PrS Proposed sale
2.1
Harlan Robins

Officer

Officer
386,240
21.19
US$8,184,426 		386,240 21.19 US$8,184,426
2026-07-06 2026-07-01 PlS Planned sale
2.6
LO FRANCIS

Chief People Officer

Officer
42,261 -15.1%
22.50
US$950,872 		42,261 -15.1% 22.50 US$950,872
2026-07-06 2026-07-01 PlS Planned sale
2.6
LO FRANCIS

Chief People Officer

Officer
8,743 -3.0%
22.18
US$193,920 		8,743 -3.0% 22.18 US$193,920
2026-07-06 2026-07-01 PlS Planned sale
2.1
BOBULSKY SUSAN

Chief Commercial Officer, MRD

Officer
487 -0.1%
22.00
US$10,714 		487 -0.1% 22.00 US$10,714
2026-07-01 2026-07-01 PrS Proposed sale
2.6
FRANCIS LO

Officer

Officer
199,260
21.45
US$4,274,127 		199,260 21.45 US$4,274,127
2026-07-01 2026-07-01 PrS Proposed sale
2.1
SUSAN BOBULSKY

Officer

Officer
487
21.45
US$10,446 		487 21.45 US$10,446
2026-06-30 2026-06-29 PlS Planned sale
2.4
BENZENO SHARON

Chief Commercial Ofc Imm Med

Officer
154,768 -41.2%
21.14
US$3,271,796 		154,768 -41.2% 21.14 US$3,271,796
2026-06-29 2026-06-29 PrS Proposed sale
2.4
SHARON BENZENO

Officer

Officer
152,931
20.96
US$3,205,434 		152,931 20.96 US$3,205,434
2026-06-30 2026-06-26 PlS Planned sale
2.4
BENZENO SHARON

Chief Commercial Ofc Imm Med

Officer
11,034 -3.9%
21.00
US$231,714 		11,034 -3.9% 21.00 US$231,714
2026-06-26 2026-06-26 PrS Proposed sale
2.4
SHARON BENZENO

Officer

Officer
12,871
20.25
US$260,638 		12,871 20.25 US$260,638
2026-06-29 2026-06-25 PlS Planned sale
2.1
BOBULSKY SUSAN

Chief Commercial Officer, MRD

Officer
5,000 -1.2%
20.50
US$102,500 		5,000 -1.2% 20.50 US$102,500
2026-06-29 2026-06-25 PlS Planned sale
1.4
GRIFFIN MICHELLE RENEE
Non-Executive Director
52,084 -76.9%
20.18
US$1,051,055 		52,084 -76.9% 20.18 US$1,051,055
2026-06-25 2026-06-25 PrS Proposed sale
2.1
SUSAN BOBULSKY

Officer

Officer
5,000
19.34
US$96,700 		5,000 19.34 US$96,700
2026-06-25 2026-06-25 PrS Proposed sale
1.4
MICHELLE GRIFFIN

Director

Non-Executive Director
52,084
19.34
US$1,007,305 		52,084 19.34 US$1,007,305
2026-06-17 2026-06-16 PlS Planned sale
2.1
ROBINS HARLAN S

Chief Scientific Officer

Officer
6,160 -0.4%
18.01
US$110,942 		6,160 -0.4% 18.01 US$110,942
2026-06-16 2026-06-16 PrS Proposed sale
2.1
Harlan Robins

Officer

Officer
6,160
17.22
US$106,075 		6,160 17.22 US$106,075
2026-06-17 2026-06-15 PlS Planned sale
2.1
ROBINS HARLAN S

Chief Scientific Officer

Officer
100,000 -6.6%
17.37
US$1,737,000 		100,000 -6.6% 17.37 US$1,737,000
2026-06-15 2026-06-15 PrS Proposed sale
2.1
Harlan Robins

Officer

Officer
100,000
17.46
US$1,746,000 		100,000 17.46 US$1,746,000
2026-06-15 2026-06-11 PlS Planned sale
2.1
BOBULSKY SUSAN

Chief Commercial Officer, MRD

Officer
5,000 -1.2%
19.00
US$95,000 		5,000 -1.2% 19.00 US$95,000
2026-06-11 2026-06-11 PrS Proposed sale
2.1
SUSAN BOBULSKY

Officer

Officer
5,000
17.07
US$85,350 		5,000 17.07 US$85,350
2026-06-08 2026-06-04 PlS Planned sale
2.1
BOBULSKY SUSAN

Chief Commercial Officer, MRD

Officer
11,000 -2.6%
18.00
US$198,000 		11,000 -2.6% 18.00 US$198,000
2026-06-08 2026-06-04 PlS Planned sale
2.6
LO FRANCIS

Chief People Officer

Officer
39,741 -13.7%
17.49
US$695,070 		39,741 -13.7% 17.49 US$695,070
2026-06-04 2026-06-04 PrS Proposed sale
2.1
SUSAN BOBULSKY

Officer

Officer
11,000
15.99
US$175,890 		11,000 15.99 US$175,890
2026-06-04 2026-06-04 PrS Proposed sale
2.6
FRANCIS LO

Officer

Officer
42,085
15.99
US$672,939 		42,085 15.99 US$672,939
2026-05-20 2026-05-18 S Sale
2.5
PISKEL KYLE

Chief Financial Officer

Officer
3,115 -1.2%
13.04
US$40,620 		3,115 -1.2% 13.04 US$40,620
2026-05-15 2026-05-18 PrS Proposed sale
2.5
PISKEL KYLE

Officer

Officer
3,160
12.83
US$40,543 		3,160 12.83 US$40,543
2026-04-29 2026-04-27 PlS Planned sale
2.6
RUBINSTEIN JULIE

President and COO

Officer
19,037 -4.8%
14.23
US$270,897 		19,037 -4.8% 14.23 US$270,897
2026-04-24 2026-04-24 PlS Planned sale
2.6
RUBINSTEIN JULIE

President and COO

Officer
19,060 -4.8%
14.02
US$267,221 		19,060 -4.8% 14.02 US$267,221
2026-04-24 2026-04-23 PlS Planned sale
2.6
RUBINSTEIN JULIE

President and COO

Officer
19,060 -4.7%
13.74
US$261,884 		19,060 -4.7% 13.74 US$261,884
2026-04-24 2026-04-22 PlS Planned sale
2.6
RUBINSTEIN JULIE

President and COO

Officer
19,060 -4.7%
14.13
US$269,318 		19,060 -4.7% 14.13 US$269,318
2026-04-21 2026-04-21 PlS Planned sale
2.6
RUBINSTEIN JULIE

President and COO

Officer
30,941 -7.3%
14.66
US$453,595 		30,941 -7.3% 14.66 US$453,595
2026-04-21 2026-04-20 PlS Planned sale
2.6
RUBINSTEIN JULIE

President and COO

Officer
19,060 -4.6%
14.55
US$277,323 		19,060 -4.6% 14.55 US$277,323
2026-04-21 2026-04-17 PlS Planned sale
2.6
RUBINSTEIN JULIE

President and COO

Officer
19,060 -4.5%
14.57
US$277,704 		19,060 -4.5% 14.57 US$277,704
2026-04-16 2026-04-16 PlS Planned sale
2.6
RUBINSTEIN JULIE

President and COO

Officer
19,060 -4.5%
14.18
US$270,271 		19,060 -4.5% 14.18 US$270,271
2026-04-16 2026-04-15 PlS Planned sale
2.6
RUBINSTEIN JULIE

President and COO

Officer
19,060 -4.4%
14.61
US$278,467 		19,060 -4.4% 14.61 US$278,467
2026-04-16 2026-04-14 PlS Planned sale
2.6
RUBINSTEIN JULIE

President and COO

Officer
19,060 -4.4%
14.56
US$277,514 		19,060 -4.4% 14.56 US$277,514
2026-04-13 2026-04-13 PlS Planned sale
2.6
RUBINSTEIN JULIE

President and COO

Officer
3,338 -0.8%
14.08
US$46,999 		3,338 -0.8% 14.08 US$46,999
2026-04-13 2026-04-13 PlS Planned sale
2.6
RUBINSTEIN JULIE

President and COO

Officer
15,722 -3.6%
12.95
US$203,600 		15,722 -3.6% 12.95 US$203,600
2026-04-13 2026-04-10 PlS Planned sale
2.6
RUBINSTEIN JULIE

President and COO

Officer
400 -0.1%
13.48
US$5,392 		400 -0.1% 13.48 US$5,392
2026-04-13 2026-04-10 PlS Planned sale
2.6
RUBINSTEIN JULIE

President and COO

Officer
18,660 -4.2%
12.75
US$237,915 		18,660 -4.2% 12.75 US$237,915
2026-04-13 2026-04-09 PlS Planned sale
2.6
RUBINSTEIN JULIE

President and COO

Officer
2,100 -0.5%
14.44
US$30,324 		2,100 -0.5% 14.44 US$30,324
2026-04-13 2026-04-09 PlS Planned sale
2.6
RUBINSTEIN JULIE

President and COO

Officer
16,960 -3.8%
13.79
US$233,878 		16,960 -3.8% 13.79 US$233,878
2026-04-10 2026-04-08 PlS Planned sale
2.6
LO FRANCIS

Chief People Officer

Officer
22,564 -7.7%
15.07
US$340,039 		22,564 -7.7% 15.07 US$340,039
2026-04-10 2026-04-08 PlS Planned sale
2.1
ROBINS HARLAN S

Chief Scientific Officer

Officer
10,000 -0.7%
14.85
US$148,500 		10,000 -0.7% 14.85 US$148,500
2026-04-08 2026-04-08 PlS Planned sale
2.3
ROBINS CHAD M

CEO and Chairman

Executive Director
37,263 -1.7%
15.19
US$566,025 		37,263 -1.7% 15.19 US$566,025
2026-04-08 2026-04-08 PlS Planned sale
2.6
RUBINSTEIN JULIE

President and COO

Officer
100 -0.0%
15.48
US$1,548 		100 -0.0% 15.48 US$1,548
2026-04-08 2026-04-08 PlS Planned sale
2.6
RUBINSTEIN JULIE

President and COO

Officer
30,841 -6.6%
14.83
US$457,372 		30,841 -6.6% 14.83 US$457,372
2026-04-08 2026-04-08 PrS Proposed sale
2.3
Chad Robins

Officer

Officer
37,263
14.84
US$552,983 		37,263 14.84 US$552,983
2026-04-08 2026-04-08 PrS Proposed sale
2.1
Harlan Robins

Officer

Officer
10,000
14.84
US$148,400 		10,000 14.84 US$148,400
2026-04-08 2026-04-08 PrS Proposed sale
2.6
FRANCIS LO

Officer

Officer
22,564
13.71
US$309,352 		22,564 13.71 US$309,352
2026-04-08 2026-04-07 PlS Planned sale
2.6
RUBINSTEIN JULIE

President and COO

Officer
19,060 -4.2%
13.56
US$258,454 		19,060 -4.2% 13.56 US$258,454
2026-04-08 2026-04-06 PlS Planned sale
2.3
ROBINS CHAD M

CEO and Chairman

Executive Director
83,332 -3.6%
14.41
US$1,200,814 		83,332 -3.6% 14.41 US$1,200,814
2026-04-08 2026-04-06 PlS Planned sale
2.6
RUBINSTEIN JULIE

President and COO

Officer
19,060 -4.1%
14.33
US$273,130 		19,060 -4.1% 14.33 US$273,130
2026-04-06 2026-04-06 PrS Proposed sale
2.3
Chad Robins

Officer

Officer
83,332
14.08
US$1,173,315 		83,332 14.08 US$1,173,315
2026-04-02 2026-04-02 PlS Planned sale
2.6
RUBINSTEIN JULIE

President and COO

Officer
19,060 -4.1%
14.60
US$278,276 		19,060 -4.1% 14.60 US$278,276
2026-04-02 2026-04-02 PlS Planned sale
2.6
RUBINSTEIN JULIE

President and COO

Officer
19,060 -4.1%
14.60
US$278,276 		19,060 -4.1% 14.60 US$278,276
2026-04-02 2026-04-01 PlS Planned sale
2.6
RUBINSTEIN JULIE

President and COO

Officer
19,060 -4.1%
14.45
US$275,417 		19,060 -4.1% 14.45 US$275,417
2026-04-02 2026-04-01 PlS Planned sale
2.6
RUBINSTEIN JULIE

President and COO

Officer
19,060 -4.1%
14.45
US$275,417 		19,060 -4.1% 14.45 US$275,417
2026-03-31 2026-03-31 PlS Planned sale
2.6
RUBINSTEIN JULIE

President and COO

Officer
19,060 -4.0%
13.45
US$256,357 		19,060 -4.0% 13.45 US$256,357
2026-03-31 2026-03-30 PlS Planned sale
2.6
RUBINSTEIN JULIE

President and COO

Officer
19,060 -4.0%
12.63
US$240,728 		19,060 -4.0% 12.63 US$240,728
2026-03-31 2026-03-27 PlS Planned sale
2.6
RUBINSTEIN JULIE

President and COO

Officer
16,322 -3.4%
13.48
US$220,021 		16,322 -3.4% 13.48 US$220,021
2026-03-31 2026-03-27 PlS Planned sale
2.6
RUBINSTEIN JULIE

President and COO

Officer
2,738 -0.6%
12.49
US$34,198 		2,738 -0.6% 12.49 US$34,198
2026-03-26 2026-03-26 PlS Planned sale
2.6
RUBINSTEIN JULIE

President and COO

Officer
19,060 -3.9%
14.12
US$269,127 		19,060 -3.9% 14.12 US$269,127
2026-03-26 2026-03-25 PlS Planned sale
2.6
RUBINSTEIN JULIE

President and COO

Officer
19,060 -3.9%
14.27
US$271,986 		19,060 -3.9% 14.27 US$271,986
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