Robins Harlan S (CIK 0001780851)

Latest company ownership

ADPT - Adaptive Biotechnologies Corp
Role: Chief Scientific Officer
Shares held
1,269,524
Last filed at
Dec 5, 2025
Confidence Score
42.3
2025Q4
Confidence Score History
2020Q1 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Dec 3, 2025 Dec 5, 2025 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 38.8 -37,212 -2.93% ✓ $672.5K
Nov 10, 2025 Nov 12, 2025 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 47.5 -10,000 -0.78% ✓ $148.2K
May 1, 2025 May 5, 2025 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 30.0 -68,412 -5.08% ✓ $502.8K
Mar 24, 2025 Mar 26, 2025 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 53.8 -1,698 -0.13% ✓ $15.3K
Mar 4, 2025 Mar 6, 2025 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 97.5 +258,344 25.30% ✗ $675.2K
Mar 4, 2022 Mar 8, 2022 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 95.0 +242,600 349.77% ✗ $54.2K
Nov 17, 2021 Nov 19, 2021 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 41.3 -4,000 -2.80% ✓ $128K
Oct 19, 2021 Oct 21, 2021 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 35.0 -11,200 -3.83% ✓ $377.6K
Oct 6, 2021 Oct 8, 2021 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 35.0 -11,685 -3.99% ✓ $385K
Sep 13, 2021 Sep 15, 2021 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 38.8 -11,685 -2.71% ✓ $432.1K
Aug 25, 2021 Aug 27, 2021 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 35.0 -11,685 -4.00% ✓ $400.2K
Jul 19, 2021 Jul 21, 2021 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 38.8 -11,685 -2.68% ✓ $437.9K
May 5, 2021 Jun 11, 2021 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 35.0 -7,790 -3.59% ✓ $277K
Jun 9, 2021 Jun 11, 2021 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 35.0 -11,685 -3.23% ✓ $436.1K
May 5, 2021 May 7, 2021 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 35.0 -7,090 -3.28% ✓ $252.2K
May 4, 2021 May 6, 2021 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 32.5 -3,895 -5.32% ✓ $140.7K
Apr 20, 2021 Apr 22, 2021 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 27.5 -27,265 -5.13% ✓ $1.1M
Mar 23, 2021 Mar 25, 2021 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 35.0 -19,475 -4.41% ✓ $786.1K
Feb 3, 2021 Feb 5, 2021 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 7.5 -7,790 -91.98% ✓ $464.2K
Feb 1, 2021 Feb 3, 2021 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 7.5 -15,580 -52.24% ✓ $899.6K
Jan 21, 2021 Jan 25, 2021 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 5.0 -23,370 -97.18% ✓ $1.6M
Jan 19, 2021 Jan 25, 2021 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 3.8 -100,000 -53.57% ✓ $6.8M
Jan 19, 2021 Jan 21, 2021 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 3.8 -100,000 -53.57% ✓ $6.8M
Nov 4, 2020 Nov 6, 2020 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 5.0 -33,300 -62.01% ✓ $1.7M
Oct 16, 2020 Oct 20, 2020 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 7.5 -11,100 -94.24% ✓ $574.9K
Oct 14, 2020 Oct 16, 2020 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 5.0 -22,200 -80.10% ✓ $1.2M
Sep 22, 2020 Sep 24, 2020 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 5.0 -33,300 -63.03% ✓ $1.6M
Aug 19, 2020 Aug 24, 2020 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 5.0 -33,300 -55.82% ✓ $1.4M
Jul 16, 2020 Jul 17, 2020 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 5.0 -33,300 -59.80% ✓ $1.3M
Jun 23, 2020 Jun 25, 2020 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 5.0 -33,300 -51.53% ✓ $1.5M
May 19, 2020 May 21, 2020 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 5.0 -70,000 -99.04% ✓ $2.8M
May 14, 2020 May 18, 2020 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 32.5 -77,700 -4.68% ✓ $2.9M
Apr 20, 2020 Apr 22, 2020 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 32.5 -44,400 -3.21% ✓ $1.3M
Feb 20, 2020 Feb 24, 2020 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 47.5 -7,400 -0.84% ✓ $247.6K
Feb 18, 2020 Feb 20, 2020 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 38.8 -25,900 -2.49% ✓ $822.7K
Jan 15, 2020 Jan 17, 2020 Adaptive Biotechnologies Corp Chief Scientific Officer Sell 45.0 -11,100 -0.89% ✓ $319.3K