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Insider

Joseph J Larosa

EVP General Counsel and Secret · Regeneron Pharmaceuticals

Joseph J Larosa (EVP General Counsel and Secret) filed 1 Form 4 report in the trailing twelve months (0 purchases, 1 sale), most often in Regeneron Pharmaceuticals, Inc. (REGN). The largest single filing was $4.3M of REGN (4,466 sh across 2 lots, as filed), executed Nov 2. Data as of Nov 8 2026.

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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
1
0 buys · 1 sells
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$4.3M
shares × price, as filed
Last traded
Nov 2
Filed Nov 4

Median ADV $702.3M across their filed names

Open performance→
Volume by month
$4.3M$2.2M$0Dec 2024Jun 2025Dec 2025Jun 2026Nov 2026 · sells $4.3M
Buys $0 Sells $4.3M

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
REGN Regeneron Pharmaceuticals, Inc. REGN · 0 buys · 1 sell 1 filing
Recent filings
REGNSALE Regeneron Pharmaceuticals, Inc. View filing → $4.3M
4,466 sh across 2 lots
Exec Nov 2
Filed Nov 4 · 4:04 PM ET