REGN · ISSUER CIK 872589
REGENERON PHARMACEUTICALS, INC.
Between Aug 1, 2026 and Oct 29, 2026, 6 REGENERON PHARMACEUTICALS, INC. insiders reported $0.00 of open-market purchases and $6.5M of sales on SEC Form 4.
↗6 insiders filed
Original Form 4 filings from Aug 1, 2026 to Oct 29, 2026. 5 of 5 sales were reported under a 10b5-1 plan.
$0.00Insider buying
$6.5MInsider selling
−$6.5MNet open-market
Oct 15, 2026Latest filing
| Ticker | Insider | Type | Owned | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 15, 202616:02 | Oct 14, 2026 | REGN | Co-Chief Scientific Officer | S · Sell10b5-1 | $772.70 | −4,147 | 47,833 | -8% | −$3.2M | ||
| Oct 15, 202616:02 | Oct 13, 2026 | REGN | Co-Chief Scientific Officer | M · Exercise10b5-1 | $381.92 | +17,000 | 64,833 | +36% | $6.5M | ||
| Oct 15, 202616:02 | Oct 13, 2026 | REGN | Co-Chief Scientific Officer | F · Tax10b5-1 | $754.58 | −12,853 | 51,980 | -20% | $9.7M | ||
| Sep 3, 202616:50 | Sep 3, 2026from Sep 2, 2026 | REGN | EVP Commercial | S · Sell10b5-1 | $853.56 | −2,346 | 12,003 | -16% | −$2.0M | ||
| Sep 3, 202616:47 | Sep 2, 2026 | REGN | Director | S · Sell10b5-1 | $850.00 | −400 | 603 | -40% | −$340K | ||
| Sep 3, 202616:47 | Sep 2, 2026 | REGN | Director | M · Exercise10b5-1 | $719.37 | +400 | 1,003 | +66% | $288K | ||
| Aug 21, 202616:01 | Aug 19, 2026 | REGN | EVP General Counsel and Secret | M · Exercise | $381.92 | +12,282 | 45,392 | +37% | $4.7M | ||
| Aug 21, 202616:01 | Aug 19, 2026 | REGN | EVP General Counsel and Secret | F · Tax | $830.15 | −9,019 | 36,373 | -20% | $7.5M | ||
| Aug 20, 202616:01 | Aug 18, 2026 | REGN | EVP Finance CFO | M · Exercise | $381.92 | +6,283 | 24,583 | +34% | $2.4M | ||
| Aug 20, 202616:01 | Aug 18, 2026 | REGN | EVP Finance CFO | F · Tax | $813.47 | −4,599 | 19,984 | -19% | $3.7M | ||
| Aug 12, 202616:16 | Aug 10, 2026 | REGN | Director | S · Sell10b5-1 | $800.00 | −400 | 603 | -40% | −$320K | ||
| Aug 12, 202616:16 | Aug 10, 2026 | REGN | Director | M · Exercise10b5-1 | $719.37 | +400 | 1,003 | +66% | $288K | ||
| Aug 12, 202616:14 | Aug 10, 2026 | REGN | Director | S · Sell10b5-1 | $800.00 | −800 | 1,703 | -32% | −$640K | ||
| Aug 12, 202616:14 | Aug 10, 2026 | REGN | Director | M · Exercise10b5-1 | $376.69 | +800 | 2,503 | +47% | $301K |