REGENERON PHARMACEUTICALS, INC. (REGN) has 7 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 2 sales totalling $2.1M. Most recent filing: Sept. 3, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
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| Sept. 3, 2026 filed Sept. 2, 2026 | McCourt Marion EVP Commercial | −$2,002,458 | 2,346 | −16% | Yes | |
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| Sept. 3, 2026 filed Sept. 2, 2026 | Guarini Kathryn Director | $52,252 | 1,200 | 0% | Yes | |
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| Aug. 21, 2026 filed Aug. 19, 2026 | LAROSA JOSEPH J EVP General Counsel and Secret | — | +3,263 | +36% | No | |
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| Aug. 20, 2026 filed Aug. 18, 2026 | Fenimore Christopher R. EVP Finance CFO | — | +1,684 | +39% | No | |
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| Aug. 12, 2026 filed Aug. 10, 2026 | Guarini Kathryn Director | $32,252 | 1,200 | 0% | Yes | |
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Showing the 5 most recent of 7 filings in the last 90 days.
Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
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