CD
Insider
Caroline Dorsa
DirectorCaroline Dorsa (Director) filed 1 Form 4 report in the past 24 months (1 purchase, 0 sales), most often in Biogen Inc. (BIIB). Across 1 priced purchase filing, the average 21-session return was +7.1% from execution and +6.9% from disclosure (delay-adjusted; derived). The largest single filing was $152K of BIIB (1,235 sh × $122.72, as filed), executed May 2 2025.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
+7.1%
avg across 1 priced filings
Delay-adjustediThe same average, entered at disclosure dates
+6.9%
same 1 filings, from disclosure
Filings, ttm
1
1 buys · 0 sells
Median delay
3d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$152K
shares × price, as filed
Last traded
May 2 2025
Filed May 5 2025
Median ADV $258.1M across their filed names
Open performance→Volume by month
Buys $152K
Sells $0
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Healthcare
1 filing
Sector per market data · by filing · past 24 months
Most traded names
BIIBRecent filings
BIIBPURCHASE
Biogen Inc.
View filing →
$152K1,235 sh × $122.72
Exec May 2 2025
Filed May 5 2025 · 5:30 PM ET