Adaptive Biotechnologies Corp (ADPT)

Latest Insider Confidence Score

2026Q1

46.1
Bearish

Company insider confidence (by quarter)

2019Q2 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Viking Global Opportunities GP LLC 10% Owner 30,993,708 Nov 13, 2020
Viking Global Opportunities Portfolio GP LLC 10% Owner 30,993,708 Nov 13, 2020
Viking Global Opportunities Illiquid Investments Sub-Master LP 10% Owner 30,993,708 Nov 13, 2020
Viking Global Investors Lp 10% Owner 29,993,708 Dec 16, 2020
Halvorsen Ole Andreas 10% Owner 29,993,708 Dec 16, 2020

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Mar 4, 2026 Mar 6, 2026 NEUPERT PETER M Director Neutral 85.0 +15,625 6.95% ✗ -
Mar 4, 2026 Mar 6, 2026 HERSHBERG ROBERT Director Neutral 90.0 +15,625 33.44% ✗ -
Mar 4, 2026 Mar 6, 2026 LO FRANCIS Chief People Officer Neutral 90.0 +44,063 13.84% ✗ -
Mar 4, 2026 Mar 6, 2026 BOBULSKY SUSAN Chief Commercial Officer, MRD Neutral 90.0 +121,875 35.10% ✗ -
Mar 4, 2026 Mar 6, 2026 BENZENO SHARON Chief Commercial Ofc Imm Med Neutral 90.0 +39,063 13.16% ✗ -
Mar 4, 2026 Mar 6, 2026 RUBINSTEIN JULIE COO Neutral 90.0 +81,250 14.12% ✗ -
Mar 4, 2026 Mar 6, 2026 ROBINS HARLAN S Chief Scientific Officer Neutral 90.0 +837,033 72.45% ✗ -
Mar 4, 2026 Mar 6, 2026 PISKEL KYLE CFO Neutral 90.0 +61,875 28.56% ✗ -
Mar 4, 2026 Mar 6, 2026 OWEN KATEY EINTERZ Director Neutral 90.0 +15,625 21.51% ✗ -
Mar 4, 2026 Mar 6, 2026 GRIFFIN MICHELLE RENEE Director Neutral 90.0 +15,625 101.50% ✗ -
Mar 4, 2026 Mar 6, 2026 ROBINS CHAD M CEO Neutral 90.0 +837,033 43.27% ✗ -
Mar 3, 2026 Mar 5, 2026 GRIFFIN MICHELLE RENEE Director Sell 10.0 -48,044 -75.73% ✓ $735.1K
Mar 3, 2026 Mar 5, 2026 RUBINSTEIN JULIE COO Sell 36.3 -92,823 -3.83% ✓ $1.5M
Mar 2, 2026 Mar 4, 2026 ROBINS HARLAN S Chief Scientific Officer Sell 41.3 -24,233 -2.05% ✓ $392.3K
Feb 27, 2026 Mar 3, 2026 ROBINS CHAD M CEO Sell 13.1 -524,998 -21.35% ✓ $8.3M
Feb 4, 2026 Feb 6, 2026 PISKEL KYLE CFO Sell 50.6 -2,145 -0.98% ✓ $39.6K
Feb 2, 2026 Feb 4, 2026 ROBINS HARLAN S Chief Scientific Officer Sell 37.5 -42,788 -3.50% ✓ $799.1K
Feb 2, 2026 Feb 4, 2026 ROBINS CHAD M CEO Sell 36.3 -124,998 -4.84% ✓ $2.3M
Jan 12, 2026 Jan 14, 2026 LO FRANCIS Chief People Officer Sell 18.8 -79,590 -19.99% ✓ $1.4M
Jan 12, 2026 Jan 14, 2026 PISKEL KYLE CFO Sell 46.3 -4,290 -1.94% ✓ $77.2K
Jan 6, 2026 Jan 8, 2026 ROBINS HARLAN S Chief Scientific Officer Sell 48.8 -10,000 -0.81% ✓ $164.4K
Dec 22, 2025 Jan 7, 2026 LO FRANCIS Chief People Officer Sell 46.3 -4,394 -1.36% ✓ $76.9K
Jan 5, 2026 Jan 7, 2026 ROBINS CHAD M CEO Sell 36.3 -124,998 -4.61% ✓ $1.9M
Jan 2, 2026 Jan 6, 2026 LO FRANCIS Chief People Officer Sell 48.8 -3,125 -0.97% ✓ $50.3K
Dec 22, 2025 Dec 29, 2025 LO FRANCIS Chief People Officer Sell 46.3 -4,394 -1.36% ✓ $76.9K
Dec 15, 2025 Dec 17, 2025 LO FRANCIS Chief People Officer Sell 5.0 -113,890 -26.34% ✓ $1.8M
Dec 10, 2025 Dec 12, 2025 HERSHBERG ROBERT Director Sell 20.0 -22,968 -32.96% ✗ $367.5K
Dec 4, 2025 Dec 8, 2025 BENZENO SHARON Chief Commercial Ofc Imm Med Sell 37.5 -12,604 -4.07% ✓ $212.4K
Dec 3, 2025 Dec 5, 2025 ROBINS HARLAN S Chief Scientific Officer Sell 38.8 -37,212 -2.93% ✓ $672.5K
Nov 28, 2025 Dec 2, 2025 PISKEL KYLE CFO Sell 5.0 -162,820 -42.91% ✓ $3.2M
Nov 26, 2025 Dec 1, 2025 ROBINS CHAD M CEO Sell 27.5 -160,734 -5.60% ✓ $3.1M
Nov 20, 2025 Nov 24, 2025 BENZENO SHARON Chief Commercial Ofc Imm Med Sell 2.5 -606,402 -50.53% ✓ $10.1M
Nov 17, 2025 Nov 18, 2025 PISKEL KYLE CFO Sell 52.5 -238 -0.09% ✗ $3.3K
Nov 10, 2025 Nov 12, 2025 ROBINS HARLAN S Chief Scientific Officer Sell 47.5 -10,000 -0.78% ✓ $148.2K
Nov 10, 2025 Nov 12, 2025 ROBINS CHAD M CEO Sell 40.0 -89,265 -1.03% ✓ $1.3M
May 16, 2025 May 20, 2025 PISKEL KYLE CFO Sell 48.8 -1,929 -0.71% ✗ $17.1K
May 15, 2025 May 19, 2025 PISKEL KYLE CFO Sell 78.8 +5,886 2.17% ✗ $17.1K
May 1, 2025 May 5, 2025 ROBINS HARLAN S Chief Scientific Officer Sell 30.0 -68,412 -5.08% ✓ $502.8K
Mar 24, 2025 Mar 26, 2025 ROBINS HARLAN S Chief Scientific Officer Sell 53.8 -1,698 -0.13% ✓ $15.3K
Mar 14, 2025 Mar 17, 2025 PISKEL KYLE CFO Neutral 52.5 - 0.00% ✗ -
Mar 13, 2025 Mar 17, 2025 GRIFFIN MICHELLE RENEE Director Sell 20.0 -36,291 -70.22% ✗ $260.9K
Mar 12, 2025 Mar 12, 2025 HERSHBERG ROBERT Director Sell 20.0 -53,000 -43.20% ✗ $402.3K
Mar 10, 2025 Mar 12, 2025 NEUPERT PETER M Director Sell 22.5 -10,000 -4.26% ✗ $70.5K
Mar 4, 2025 Mar 6, 2025 LO FRANCIS Chief People Officer Sell 95.0 +79,101 30.87% ✗ $145.8K
Mar 4, 2025 Mar 6, 2025 BOBULSKY SUSAN Chief Commercial Officer, MRD Sell 95.0 +93,948 37.09% ✗ $181.6K
Mar 4, 2025 Mar 6, 2025 BENZENO SHARON Chief Commercial Ofc Imm Med Sell 97.5 +65,308 19.95% ✗ $311.8K
Mar 4, 2025 Mar 6, 2025 PISKEL KYLE CFO Sell 95.0 +114,680 74.31% ✗ $72.1K
Mar 4, 2025 Mar 6, 2025 RUBINSTEIN JULIE COO Sell 97.5 +115,495 24.43% ✗ $415.5K
Mar 4, 2025 Mar 6, 2025 ROBINS HARLAN S Chief Scientific Officer Sell 97.5 +258,344 25.30% ✗ $675.2K
Mar 4, 2025 Mar 6, 2025 ROBINS CHAD M CEO Sell 100.0 +382,548 14.85% ✗ $1.6M
Mar 4, 2025 Mar 6, 2025 Pellini Michael J Director Neutral 90.0 +15,394 28.35% ✗ -
Mar 4, 2025 Mar 6, 2025 OWEN KATEY EINTERZ Director Neutral 90.0 +15,394 26.90% ✗ -
Mar 4, 2025 Mar 6, 2025 NEUPERT PETER M Director Neutral 85.0 +15,394 9.09% ✗ -
Mar 4, 2025 Mar 6, 2025 HERSHBERG ROBERT Director Neutral 90.0 +15,394 14.35% ✗ -
Mar 4, 2025 Mar 6, 2025 GRIFFIN MICHELLE RENEE Director Sell 47.5 -270 -0.52% ✓ $124.4K
Feb 19, 2025 Feb 21, 2025 ROBINS CHAD M CEO Sell 27.5 -285,187 -5.24% ✓ $2.4M
Feb 13, 2025 Feb 18, 2025 ROBINS CHAD M CEO Sell 27.5 -470,368 -5.74% ✓ $4M
Nov 18, 2024 Nov 19, 2024 PISKEL KYLE CFO Sell 52.5 -248 -0.16% ✗ $1.2K
Oct 8, 2024 Oct 10, 2024 BOBULSKY SUSAN Chief Commercial Officer, MRD Neutral 52.5 - 0.00% ✗ -
Aug 22, 2024 Aug 23, 2024 Taylor Stacy L SVP and General Counsel Sell 20.0 -26,922 -16.19% ✓ $121.1K
May 15, 2024 May 17, 2024 PISKEL KYLE CFO Neutral 90.0 +31,260 25.35% ✗ -
Mar 12, 2024 Mar 13, 2024 NEUPERT PETER M Director Neutral 52.5 - 0.00% ✗ -
Mar 4, 2024 Mar 6, 2024 Pellini Michael J Director Neutral 90.0 +31,328 136.40% ✗ -
Mar 4, 2024 Mar 6, 2024 OWEN KATEY EINTERZ Director Neutral 90.0 +31,328 120.92% ✗ -
Mar 4, 2024 Mar 6, 2024 NEUPERT PETER M Director Neutral 90.0 +31,328 25.48% ✗ -
Mar 4, 2024 Mar 6, 2024 HERSHBERG ROBERT Director Neutral 90.0 +31,328 41.24% ✗ -
Mar 4, 2024 Mar 6, 2024 GRIFFIN MICHELLE RENEE Director Neutral 90.0 +31,328 151.88% ✗ -
Mar 4, 2024 Mar 6, 2024 PISKEL KYLE Principal Accounting Officer Sell 91.3 +36,013 41.25% ✗ $26.5K
Mar 4, 2024 Mar 6, 2024 Taylor Stacy L SVP and General Counsel Sell 91.3 +26,609 19.05% ✗ $46K
Mar 4, 2024 Mar 6, 2024 LO FRANCIS Chief People Officer Sell 95.0 +85,276 49.88% ✗ $50.4K
Mar 4, 2024 Mar 6, 2024 BENZENO SHARON Chief Commercial Ofc Imm Med Sell 95.0 +103,589 46.28% ✗ $101K
Mar 4, 2024 Mar 6, 2024 RUBINSTEIN JULIE President Sell 95.0 +135,930 40.36% ✗ $135.8K
Mar 4, 2024 Mar 6, 2024 ROBINS HARLAN S Chief Scientific Officer Neutral 90.0 +354,610 53.20% ✗ -
Mar 4, 2024 Mar 6, 2024 PETERSON TYCHO CFO Sell 95.0 +132,334 33.15% ✗ $53.2K
Mar 4, 2024 Mar 6, 2024 ROBINS CHAD M CEO Sell 95.0 +305,937 13.47% ✗ $167K
Mar 4, 2024 Mar 6, 2024 BOBULSKY SUSAN Chief Commercial Officer, MRD Sell 91.3 +119,988 93.52% ✗ $44.6K
Mar 6, 2024 BOBULSKY SUSAN Chief Commercial Officer, MRD Neutral 52.5 - 0.00% ✗ -
Dec 13, 2023 Dec 15, 2023 NEUPERT PETER M Director Neutral 52.5 - 0.00% ✗ -
Nov 16, 2023 Nov 20, 2023 PISKEL KYLE Principal Accounting Officer Sell 52.5 -259 -0.30% ✗ $1.1K
Aug 7, 2023 Aug 8, 2023 SOOD NITIN Chief Commercial Officer, MRD Sell 32.5 -16,202 -7.01% ✓ $107.3K
Jun 20, 2023 Jun 21, 2023 PETERSON TYCHO CFO Sell 5.0 -134,961 -25.27% ✓ $1.1M
Jun 15, 2023 Jun 20, 2023 PETERSON TYCHO CFO Sell 26.3 -70,000 -8.06% ✓ $597.1K
Jun 2, 2023 Jun 6, 2023 PETERSON TYCHO CFO Sell 40.0 -38,000 -7.71% ✗ $272.1K
Apr 10, 2023 Apr 12, 2023 ADAMS R MARK COO Sell 48.8 -3,125 -1.75% ✓ $26.9K
Mar 27, 2023 Mar 29, 2023 GRIFFIN MICHELLE RENEE Director Sell 28.8 -2,341 -10.19% ✓ $19.9K
Mar 6, 2023 Mar 8, 2023 Pellini Michael J Director Neutral 90.0 +14,775 180.34% ✗ -
Mar 6, 2023 Mar 8, 2023 OWEN KATEY EINTERZ Director Neutral 90.0 +14,775 132.73% ✗ -
Mar 6, 2023 Mar 8, 2023 NEUPERT PETER M Director Neutral 90.0 +14,775 180.34% ✗ -
Mar 6, 2023 Mar 8, 2023 HERSHBERG ROBERT Director Neutral 90.0 +14,775 24.14% ✗ -
Mar 6, 2023 Mar 8, 2023 GRIFFIN MICHELLE RENEE Director Neutral 90.0 +14,775 180.34% ✗ -
Mar 6, 2023 Mar 8, 2023 Conroy Kevin T Director Neutral 90.0 +14,775 180.34% ✗ -
Mar 6, 2023 Mar 8, 2023 Trigg Leslie Director Neutral 90.0 +14,775 132.73% ✗ -
Mar 6, 2023 Mar 8, 2023 PISKEL KYLE Principal Accounting Officer Sell 91.3 +40,206 84.90% ✗ $30.2K
Mar 6, 2023 Mar 8, 2023 LO FRANCIS Chief People Officer Sell 95.0 +78,881 85.66% ✗ $58.4K
Mar 6, 2023 Mar 8, 2023 Taylor Stacy L SVP and General Counsel Sell 95.0 +66,819 91.71% ✓ $162.2K
Mar 6, 2023 Mar 8, 2023 ADAMS R MARK COO Sell 95.0 +64,968 57.23% ✓ $203.5K
Mar 6, 2023 Mar 8, 2023 PETERSON TYCHO CFO Neutral 90.0 +118,203 31.55% ✗ -
Mar 6, 2023 Mar 8, 2023 BENZENO SHARON Chief Commercial Ofc Imm Med Sell 95.0 +121,230 118.16% ✗ $100.7K
Mar 6, 2023 Mar 8, 2023 SOOD NITIN Chief Commercial Officer, MRD Sell 95.0 +116,505 101.75% ✓ $141.5K
Mar 6, 2023 Mar 8, 2023 RUBINSTEIN JULIE President Sell 95.0 +110,311 48.70% ✗ $194.3K