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Harlan S Robins

Chief Scientific Officer

Harlan S Robins (Chief Scientific Officer) filed 10 Form 4 reports in the trailing twelve months (0 purchases, 10 sales), most often in Adaptive Biotechnologies Corporation (ADPT). The largest single filing was $10.8M of ADPT (492,400 sh across 2 lots, as filed), executed Jul 21.

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Return, ttmiAverage return per filing, trailing twelve months
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
returns measure stock purchases only
Filings, ttm
10
0 buys · 10 sells
Median delay
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$29.6M
shares × price, as filed
Last traded
Jul 21
Filed Jul 23

Median ADV $72.7M across their filed names

Open performance
Volume by month
$19.3M$9.6M$0Oct 2024Apr 2025Oct 2025Apr 2026Mar 2025 · sells $675KMay 2025 · sells $503KNov 2025 · sells $148KDec 2025 · sells $673KJan 2026 · sells $164KFeb 2026 · sells $799KMar 2026 · sells $6.6MApr 2026 · sells $148KJun 2026 · sells $1.8MJul 2026 · sells $19.3M
Buys $0 Sells $30.8M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Healthcare 10 filings

Sector per market data · by filing · past 12 months

Most traded names
ADPT Adaptive Biotechnologies Corporation ADPT · 0 buys · 12 sells 12 filings
Recent filings
ADPTSALE Adaptive Biotechnologies Corporation View filing → $673K
37,212 sh across 2 lots
Exec Dec 3 2025
Filed Dec 5 2025 · 5:30 PM ET
ADPTSALE Adaptive Biotechnologies Corporation View filing → $148K
10,000 sh × $14.82
Exec Nov 10 2025
Filed Nov 12 2025 · 5:30 PM ET
ADPTSALE Adaptive Biotechnologies Corporation View filing → $503K
68,412 sh × $7.35
Exec May 1 2025
Filed May 5 2025 · 5:30 PM ET
ADPTSALE Adaptive Biotechnologies Corporation View filing → $675K
96,656 sh across 2 lots
Exec Mar 5 2025
Filed Mar 6 2025 · 5:30 PM ET