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Insider

Samuel C. Blackman

HEAD OF R&D

Samuel C. Blackman (HEAD OF R&D) filed 3 Form 4 reports in the past 24 months (0 purchases, 3 sales), most often in DAWN. The largest single filing was $456K of DAWN (28,255 sh across 2 lots, as filed), executed Nov 8 2024.

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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
3
0 buys · 3 sells
Median delay
–
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$1.0M
shares × price, as filed
Last traded
Dec 10 2024
Filed Dec 12 2024
Open performance→
Volume by month
$636K$318K$0Oct 2024Apr 2025Oct 2025Apr 2026Nov 2024 · sells $636KDec 2024 · sells $399K
Buys $0 Sells $1.0M

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

Sectors filed on
Not on file 3 filings

Sector per market data · by filing · past 24 months

Most traded names
DAWN DAWN DAWN · 0 buys · 3 sells 3 filings
Recent filings
DAWNSALE Day One Biopharmaceuticals, Inc. View filing → $399K
30,000 sh × $13.31
Exec Dec 10 2024
Filed Dec 12 2024 · 5:30 PM ET DAWNSALE Day One Biopharmaceuticals, Inc. View filing → $456K
28,255 sh across 2 lots
Exec Nov 8 2024
Filed Nov 12 2024 · 5:30 PM ET DAWNSALE Day One Biopharmaceuticals, Inc. View filing → $180K
11,245 sh × $16.03
Exec Nov 7 2024
Filed Nov 8 2024 · 5:30 PM ET DAWNSALE Day One Biopharmaceuticals, Inc. View filing → $427K
30,000 sh × $14.22
Exec Sep 10 2024
Filed Sep 12 2024 · 5:30 PM ET