REGN Regeneron Pharmaceuticals
Nasdaq · SEC CIK 872589 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $12.91M 15 sales by 7 insiders
- Filings on record
- 402 since 2021-07-02, latest 2026-09-03 16:50
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| POON CHRISTINE A | Dir | — | $4.25M |
| McCourt Marion | EVP Commercial | — | $2.00M |
| Zoghbi Huda Y | Dir | — | $1.92M |
| Pitofsky Jason | VP Ctrl | — | $1.87M |
| Bassler Bonnie L | Dir | — | $1.77M |
| Guarini Kathryn | Dir | — | $660.0K |
| RYAN ARTHUR F | Dir | — | $434.7K |
| MURPHY ANDREW J | EVP Research | — | — |
| Fenimore Christopher R. | EVP Fin CFO | — | — |
| Schenkein David P | Dir | — | — |
Transactions 678
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MT | 2026-09-03 16:50 | 2026-09-02+ | REGN | McCourt Marion | EVP Commercial | S - Sale | $853.56 | -2,346 | 12.0K | -16% | -$2.00M |
| DT | 2026-09-03 16:47 | 2026-09-02 | REGN | Guarini Kathryn | Dir | M - OptEx | $719.37 | +400 | 1,003 | +66% | +$287.7K |
| DT | 2026-09-03 16:47 | 2026-09-02 | REGN | Guarini Kathryn | Dir | S - Sale+OE | $850.00 | -400 | 603 | -40% | -$340.0K |
| D | 2026-08-21 16:01 | 2026-08-19 | REGN | LAROSA JOSEPH J | EVP GC, Secret | M - OptEx | $381.92 | +12.3K | 45.4K | +37% | +$4.69M |
| D | 2026-08-21 16:01 | 2026-08-19 | REGN | LAROSA JOSEPH J | EVP GC, Secret | F - Tax | $830.15 | -9,019 | 36.4K | -20% | -$7.49M |
| D | 2026-08-20 16:01 | 2026-08-18 | REGN | Fenimore Christopher R. | EVP Fin CFO | M - OptEx | $381.92 | +6,283 | 24.6K | +34% | +$2.40M |
| D | 2026-08-20 16:01 | 2026-08-18 | REGN | Fenimore Christopher R. | EVP Fin CFO | F - Tax | $813.47 | -4,599 | 20.0K | -19% | -$3.74M |
| DT | 2026-08-12 16:16 | 2026-08-10 | REGN | Guarini Kathryn | Dir | M - OptEx | $719.37 | +400 | 1,003 | +66% | +$287.7K |
| DT | 2026-08-12 16:16 | 2026-08-10 | REGN | Guarini Kathryn | Dir | S - Sale+OE | $800.00 | -400 | 603 | -40% | -$320.0K |
| DT | 2026-08-12 16:14 | 2026-08-10 | REGN | Zoghbi Huda Y | Dir | M - OptEx | $376.69 | +800 | 2,503 | +47% | +$301.4K |
| DT | 2026-08-12 16:14 | 2026-08-10 | REGN | Zoghbi Huda Y | Dir | S - Sale+OE | $800.00 | -800 | 1,703 | -32% | -$640.0K |
| T | 2026-07-07 16:05 | 2026-07-02 | REGN | RYAN ARTHUR F | Dir | S - Sale | $650.15 | -200 | 17.3K | -1% | -$130.0K |
| MT | 2026-05-04 16:14 | 2026-05-01 | REGN | RYAN ARTHUR F | Dir | S - Sale | $705.24 | -100 | 17.5K | -0.6% | -$70.5K |
| MT | 2026-04-03 16:01 | 2026-04-01 | REGN | RYAN ARTHUR F | Dir | S - Sale | $777.27 | -100 | 17.6K | -0.6% | -$77.7K |
| M | 2026-03-03 | 2026-03-02 | REGN | RYAN ARTHUR F | Dir | S - Sale | $785.50 | -100 | 17.8K | -0.6% | -$78.5K |
| DM | 2026-02-23 | 2026-02-19 | REGN | Zoghbi Huda Y | Dir | S - Sale+OE | $781.33 | -1,638 | 3,242 | -34% | -$1.28M |
| D | 2026-02-23 | 2026-02-19 | REGN | Zoghbi Huda Y | Dir | M - OptEx | $376.69 | +1,638 | 3,341 | +96% | +$617.0K |
| DM | 2026-02-11 | 2026-02-09 | REGN | Pitofsky Jason | SVP Ctrl | S - Sale+OE | $778.52 | -2,036 | 5,376 | -27% | -$1.59M |
| D | 2026-02-11 | 2026-02-09 | REGN | Pitofsky Jason | SVP Ctrl | M - OptEx | $492.00 | +1,000 | 6,308 | +19% | +$492.0K |
| M | 2026-02-11 | 2026-02-09 | REGN | RYAN ARTHUR F | Dir | S - Sale | $778.53 | -100 | 17.9K | -0.6% | -$77.9K |
| D | 2026-01-08 | 2026-01-07 | REGN | Bassler Bonnie L | Dir | S - Sale+OE | $800.00 | -1,500 | 1,703 | -47% | -$1.20M |
| D | 2026-01-08 | 2026-01-07 | REGN | Bassler Bonnie L | Dir | M - OptEx | $374.12 | +1,500 | 3,203 | +88% | +$561.2K |
| D | 2026-01-06 | 2026-01-02 | REGN | Zoghbi Huda Y | Dir | A - Grant | $0.00 | +155 | 1,703 | +10% | $0 |
| D | 2026-01-06 | 2026-01-02 | REGN | Guarini Kathryn | Dir | A - Grant | $0.00 | +155 | 603 | +35% | $0 |
| D | 2026-01-06 | 2026-01-02 | REGN | SING GEORGE L | Dir | A - Grant | $0.00 | +155 | 31.0K | +0.5% | $0 |
| D | 2026-01-06 | 2026-01-02 | REGN | POON CHRISTINE A | Dir | A - Grant | $0.00 | +155 | 5,219 | +3% | $0 |
| D | 2026-01-06 | 2026-01-02 | REGN | COLES N ANTHONY | Dir | A - Grant | $0.00 | +155 | 1,714 | +10% | $0 |
| D | 2026-01-06 | 2026-01-02 | REGN | Schenkein David P | Dir | A - Grant | $0.00 | +155 | 603 | +35% | $0 |
| D | 2026-01-06 | 2026-01-02 | REGN | GOLDSTEIN JOSEPH L | Dir | A - Grant | $0.00 | +155 | 6,703 | +2% | $0 |
| D | 2026-01-06 | 2026-01-02 | REGN | RYAN ARTHUR F | Dir | A - Grant | $0.00 | +155 | 17.9K | +0.9% | $0 |
| D | 2026-01-06 | 2026-01-02 | REGN | Bassler Bonnie L | Dir | A - Grant | $0.00 | +155 | 1,703 | +10% | $0 |
| D | 2026-01-06 | 2026-01-02 | REGN | Thompson Craig B. | Dir | A - Grant | $0.00 | +155 | 775 | +25% | $0 |
| D | 2026-01-06 | 2026-01-02 | REGN | BROWN MICHAEL S | Dir | A - Grant | $0.00 | +155 | 1,703 | +10% | $0 |
| D | 2026-01-05 | 2025-12-31 | REGN | YANCOPOULOS GEORGE | Pres, CSO, Bd. Co-COB, Dir | M - OptEx | $0.00 | +28.6K | 339.0K | +9% | $0 |
| D | 2026-01-05 | 2025-12-31 | REGN | YANCOPOULOS GEORGE | Pres, CSO, Bd. Co-COB, Dir | F - Tax | $772.09 | -28.6K | 310.5K | -8% | -$22.06M |
| D | 2026-01-05 | 2025-12-31 | REGN | SCHLEIFER LEONARD S | Pres, CEO, Bd. Co-COB, Dir | F - Tax | $772.09 | -28.6K | 214.5K | -12% | -$22.06M |
| D | 2026-01-05 | 2025-12-31 | REGN | SCHLEIFER LEONARD S | Pres, CEO, Bd. Co-COB, Dir | M - OptEx | $0.00 | +28.6K | 243.1K | +13% | $0 |
| D | 2025-12-31 | 2025-12-30 | REGN | SING GEORGE L | Dir | M - OptEx | $520.01 | +9,212 | 37.0K | +33% | +$4.79M |
| D | 2025-12-31 | 2025-12-30 | REGN | SING GEORGE L | Dir | F - Tax | $774.03 | -6,188 | 30.9K | -17% | -$4.79M |
| 2025-12-11 | 2025-12-09 | REGN | McCourt Marion | EVP Commercial | F - Tax | $701.51 | -1,021 | 14.3K | -7% | -$716.2K | |
| 2025-12-11 | 2025-12-09 | REGN | MURPHY ANDREW J | EVP Research | F - Tax | $701.51 | -4,229 | 47.8K | -8% | -$2.97M | |
| D | 2025-12-11 | 2025-12-09 | REGN | SCHLEIFER LEONARD S | Pres, CEO, Bd. Co-COB, Dir | M - OptEx | $555.67 | +172.7K | 369.7K | +88% | +$95.98M |
| D | 2025-12-11 | 2025-12-09 | REGN | SCHLEIFER LEONARD S | Pres, CEO, Bd. Co-COB, Dir | F - Tax | $701.51 | -155.1K | 214.5K | -42% | -$108.84M |
| D | 2025-12-11 | 2025-12-09 | REGN | YANCOPOULOS GEORGE | Pres, CSO, Bd. Co-COB, Dir | M - OptEx | $555.67 | +146.8K | 442.3K | +50% | +$81.58M |
| D | 2025-12-11 | 2025-12-09 | REGN | YANCOPOULOS GEORGE | Pres, CSO, Bd. Co-COB, Dir | F - Tax | $701.51 | -131.9K | 310.5K | -30% | -$92.51M |
| 2025-12-11 | 2025-12-09 | REGN | Van Plew Daniel P | EVP, General Mgr, Industrial | F - Tax | $701.51 | -2,552 | 21.7K | -11% | -$1.79M | |
| D | 2025-12-09 | 2025-12-05 | REGN | MURPHY ANDREW J | EVP Research | A - Grant | $0.00 | +3,715 | 53.8K | +7% | $0 |
| D | 2025-12-09 | 2025-12-08 | REGN | MURPHY ANDREW J | EVP Research | F - Tax | $712.94 | -1,699 | 52.1K | -3% | -$1.21M |
| D | 2025-12-09 | 2025-12-08 | REGN | Fenimore Christopher R. | EVP Fin CFO | F - Tax | $712.94 | -992 | 18.3K | -5% | -$707.2K |
| D | 2025-12-09 | 2025-12-05 | REGN | Fenimore Christopher R. | EVP Fin CFO | A - Grant | $0.00 | +3,027 | 19.3K | +19% | $0 |
| D | 2025-12-09 | 2025-12-08 | REGN | Pitofsky Jason | VP Ctrl | F - Tax | $712.94 | -989 | 5,308 | -16% | -$705.1K |
| D | 2025-12-09 | 2025-12-05 | REGN | Pitofsky Jason | VP Ctrl | A - Grant | $0.00 | +2,064 | 6,297 | +49% | $0 |
| D | 2025-12-09 | 2025-12-05 | REGN | Van Plew Daniel P | EVP, General Mgr, Industrial | A - Grant | $0.00 | +3,715 | 26.1K | +17% | $0 |
| D | 2025-12-09 | 2025-12-08 | REGN | Van Plew Daniel P | EVP, General Mgr, Industrial | F - Tax | $712.94 | -1,906 | 24.2K | -7% | -$1.36M |
| D | 2025-12-09 | 2025-12-05 | REGN | McCourt Marion | EVP Commercial | A - Grant | $0.00 | +2,476 | 16.7K | +17% | $0 |
| D | 2025-12-09 | 2025-12-08 | REGN | McCourt Marion | EVP Commercial | F - Tax | $712.94 | -1,336 | 15.4K | -8% | -$952.5K |
| D | 2025-12-09 | 2025-12-05 | REGN | LAROSA JOSEPH J | EVP GC, Secret | A - Grant | $0.00 | +2,476 | 30.9K | +9% | $0 |
| D | 2025-12-09 | 2025-12-08 | REGN | LAROSA JOSEPH J | EVP GC, Secret | F - Tax | $712.94 | -1,396 | 29.5K | -5% | -$995.3K |
| D | 2025-11-24 | 2025-11-20 | REGN | LAROSA JOSEPH J | EVP GC, Secret | F - Tax | $736.77 | -12.7K | 22.8K | -36% | -$9.35M |
| D | 2025-11-24 | 2025-11-20 | REGN | LAROSA JOSEPH J | EVP GC, Secret | M - OptEx | $555.67 | +14.4K | 35.5K | +69% | +$8.03M |
| D | 2025-11-24 | 2025-11-20 | REGN | Bassler Bonnie L | Dir | S - Sale+OE | $750.00 | -760 | 1,548 | -33% | -$570.0K |
| D | 2025-11-24 | 2025-11-20 | REGN | Bassler Bonnie L | Dir | M - OptEx | $371.40 | +760 | 2,308 | +49% | +$282.3K |
| 2025-11-10 | 2025-11-07 | REGN | Pitofsky Jason | VP Ctrl | S - Sale | $651.43 | -431 | 4,233 | -9% | -$280.8K | |
| D | 2025-10-31 | 2025-10-29 | REGN | MURPHY ANDREW J | EVP Research | M - OptEx | $555.67 | +35.0K | 84.1K | +71% | +$19.45M |
| D | 2025-10-31 | 2025-10-29 | REGN | MURPHY ANDREW J | EVP Research | F - Tax | $648.82 | -32.5K | 51.6K | -39% | -$21.08M |
| D | 2025-10-31 | 2025-10-30 | REGN | MURPHY ANDREW J | EVP Research | G - Gift | $0.00 | -1,538 | 50.0K | -3% | $0 |
| DM | 2025-10-31 | 2025-10-29 | REGN | POON CHRISTINE A | Dir | S - Sale+OE | $654.27 | -6,500 | 3,552 | -65% | -$4.25M |
| DM | 2025-10-31 | 2025-10-29+ | REGN | POON CHRISTINE A | Dir | M - OptEx | $520.01 | +9,212 | 8,852 | New | +$4.79M |
| D | 2025-01-06 | 2025-01-02 | REGN | COLES N ANTHONY | Dir | A - Grant | $0.00 | +166 | 1,559 | +12% | $0 |
| D | 2025-01-06 | 2024-12-20 | REGN | POON CHRISTINE A | Dir | W - Inherited | $0.00 | +14 | 2,186 | +0.6% | $0 |
| D | 2025-01-06 | 2025-01-02 | REGN | POON CHRISTINE A | Dir | A - Grant | $0.00 | +166 | 2,352 | +8% | $0 |
| D | 2025-01-06 | 2025-01-02 | REGN | GOLDSTEIN JOSEPH L | Dir | A - Grant | $0.00 | +166 | 6,548 | +3% | $0 |
| D | 2025-01-06 | 2025-01-02 | REGN | Schenkein David P | Dir | A - Grant | $0.00 | +166 | 448 | +59% | $0 |
| D | 2025-01-06 | 2025-01-02 | REGN | Guarini Kathryn | Dir | A - Grant | $0.00 | +166 | 448 | +59% | $0 |
| D | 2025-01-06 | 2025-01-02 | REGN | Bassler Bonnie L | Dir | A - Grant | $0.00 | +166 | 1,548 | +12% | $0 |
| D | 2025-01-06 | 2025-01-02 | REGN | BROWN MICHAEL S | Dir | A - Grant | $0.00 | +166 | 1,548 | +12% | $0 |
| D | 2025-01-06 | 2025-01-02 | REGN | RYAN ARTHUR F | Dir | A - Grant | $0.00 | +166 | 17.7K | +0.9% | $0 |
| D | 2025-01-06 | 2025-01-02 | REGN | Zoghbi Huda Y | Dir | A - Grant | $0.00 | +166 | 1,548 | +12% | $0 |
| D | 2025-01-06 | 2025-01-02 | REGN | Thompson Craig B. | Dir | A - Grant | $0.00 | +166 | 620 | +37% | $0 |
| D | 2025-01-03 | 2024-12-31 | REGN | SING GEORGE L | Dir | F - Tax | $708.19 | -1,948 | 27.7K | -7% | -$1.38M |
| D | 2025-01-03 | 2024-12-31 | REGN | SING GEORGE L | Dir | M - OptEx | $413.33 | +3,338 | 29.6K | +13% | +$1.38M |
| D | 2025-01-03 | 2025-01-02 | REGN | SING GEORGE L | Dir | A - Grant | $0.00 | +166 | 27.8K | +0.6% | $0 |
| 2024-12-18 | 2024-12-16 | REGN | LAROSA JOSEPH J | EVP GC, Secret | F - Tax | $730.81 | -702 | 30.1K | -2% | -$513.0K | |
| 2024-12-18 | 2024-12-16 | REGN | MURPHY ANDREW J | EVP Research | F - Tax | $730.81 | -1,054 | 49.1K | -2% | -$770.3K | |
| 2024-12-18 | 2024-12-16 | REGN | McCourt Marion | EVP Commercial | F - Tax | $730.81 | -759 | 14.2K | -5% | -$554.7K | |
| 2024-12-18 | 2024-12-16 | REGN | Van Plew Daniel P | EVP, General Mgr, Industrial | F - Tax | $730.81 | -969 | 34.8K | -3% | -$708.2K | |
| 2024-12-18 | 2024-12-16 | REGN | Fenimore Christopher R. | CFO, SVP Fin | F - Tax | $730.81 | -491 | 16.3K | -3% | -$358.8K | |
| 2024-12-18 | 2024-12-16 | REGN | STAHL NEIL | EVP Research, Development | F - Tax | $730.81 | -304 | 48.8K | -0.6% | -$222.2K | |
| 2024-12-18 | 2024-12-16 | REGN | Pitofsky Jason | VP Ctrl | F - Tax | $730.81 | -298 | 4,664 | -6% | -$217.8K | |
| D | 2024-12-10 | 2024-12-06 | REGN | MURPHY ANDREW J | EVP Research | A - Grant | $0.00 | +3,499 | 50.6K | +7% | $0 |
| D | 2024-12-10 | 2024-12-09 | REGN | MURPHY ANDREW J | EVP Research | F - Tax | $787.00 | -492 | 50.1K | -1.0% | -$387.2K |
| D | 2024-12-10 | 2024-12-06 | REGN | LAROSA JOSEPH J | EVP GC, Secret | A - Grant | $0.00 | +2,332 | 31.3K | +8% | $0 |
| D | 2024-12-10 | 2024-12-09 | REGN | LAROSA JOSEPH J | EVP GC, Secret | F - Tax | $787.00 | -492 | 30.8K | -2% | -$387.2K |
| DMI | 2024-12-10 | 2024-04-04+ | REGN | Pitofsky Jason | VP Ctrl | G - Gift | $0.00 | +179 | 89 | New | $0 |
| D | 2024-12-10 | 2024-12-09 | REGN | Pitofsky Jason | VP Ctrl | F - Tax | $787.00 | -149 | 4,962 | -3% | -$117.3K |
| D | 2024-12-10 | 2024-12-06 | REGN | Pitofsky Jason | VP Ctrl | A - Grant | $0.00 | +907 | 5,111 | +22% | $0 |
| 2024-12-10 | 2024-12-09 | REGN | STAHL NEIL | EVP Research, Development | F - Tax | $787.00 | -466 | 49.1K | -0.9% | -$366.7K | |
| D | 2024-12-10 | 2024-12-09 | REGN | McCourt Marion | EVP Commercial | F - Tax | $787.00 | -274 | 15.0K | -2% | -$215.6K |
| D | 2024-12-10 | 2024-12-06 | REGN | McCourt Marion | EVP Commercial | A - Grant | $0.00 | +2,332 | 15.3K | +18% | $0 |
| D | 2024-12-10 | 2024-12-06 | REGN | Van Plew Daniel P | EVP, General Mgr, Industrial | A - Grant | $0.00 | +3,499 | 36.3K | +11% | $0 |
Purchase Sale Sale after option exercise All abbreviations