Insider Trading News

Regeneron Pharmaceuticals, Inc. officer Joseph J Larosa sells $4.31M in stock

By Insider Stock Trader Newsroom1 min readInsider Stock Trader
Regeneron Pharmaceuticals, Inc. officer Joseph J Larosa sells $4.31M in stockRegeneron Pharmaceuticals, Inc. officer Joseph J Larosa sells $4.31M in stock

The officer sold at an average of $965.49 a share, according to a Form 4 filed with the SEC on Nov 4. Information only, not investment advice.

Joseph J Larosa sold about $4.3 million of Regeneron Pharmaceuticals, Inc. (REGN) stock on Nov 2, according to an SEC filing. The officer received an average of $965.49 for 4,466 shares.

The filing does not mark the sale as made under a Rule 10b5-1 trading plan. After the trade, the filing lists 38,906 shares held.

The trade was reported within two business days, as Section 16 requires.

Details from the SEC filing:

The sale
CompanyRegeneron Pharmaceuticals, Inc. (REGN)
InsiderJoseph J Larosa
RoleEVP General Counsel and Secret
TransactionOpen-market sale (code S)
Shares4,466
Average price$965.49
Value$4,311,890
Trade dateNov 2, 2026
Filed with the SECNov 4, 2026, 4:04 PM ET
Shares held after38,906
OwnershipDirect
Rule 10b5-1 planNot marked in the filing

Open the full breakdown of this REGN trade

View the Form 4 on SEC.gov

Browse the latest insider selling · Browse the insider trading newsroom

Source: SEC Form 4. Information only, not investment advice. Not affiliated with or endorsed by the U.S. Securities and Exchange Commission.