Regeneron 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.
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. Three Regeneron Pharmaceuticals, Inc. insiders sold on the open market within 14 days, a pattern known as a cluster sell.
The insider still holds 38,906 shares after the sale, 10% fewer than before. The trade was reported within two business days, as Section 16 requires.
Details from the SEC filing:
| Company | Regeneron Pharmaceuticals, Inc. (REGN) |
|---|---|
| Insider | Joseph J Larosa |
| Role | EVP General Counsel and Secret |
| Transaction | Open-market sale (code S) |
| Shares | 4,466 |
| Average price | $965.49 |
| Value | $4,311,890 |
| Trade date | Nov 2, 2026 |
| Filed with the SEC | Nov 4, 2026, 4:04 PM ET |
| Shares held after | 38,906 |
| Ownership | Direct |
| Rule 10b5-1 plan | Not marked in the filing |
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Source: SEC Form 4. Information only, not investment advice. Not affiliated with or endorsed by the U.S. Securities and Exchange Commission.