JR
Insider
John Edward Robinson
Chief Scientific OfficerJohn Edward Robinson (Chief Scientific Officer) filed 1 Form 4 report in the trailing twelve months (0 purchases, 1 sale), most often in Cogent Biosciences, Inc. (COGT). The largest single filing was $3.5M of COGT (90,000 sh × $38.74, as filed), executed Dec 26 2025.
Add to watchlistReturn, 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
1
0 buys · 1 sells
Median delay
–
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$3.5M
shares × price, as filed
Last traded
Dec 26 2025
Filed Dec 30 2025
Median ADV $84.0M across their filed names
Open performance→Volume by month
Buys $0
Sells $3.5M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Healthcare
1 filing
Sector per market data · by filing · past 12 months
Most traded names
COGTRecent filings
COGTSALE
Cogent Biosciences, Inc.
View filing →
$3.5M90,000 sh × $38.74
Exec Dec 26 2025
Filed Dec 30 2025 · 5:30 PM ET