Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
2024-11-01 Sale | 2024-11-05 4:23 pm | REGENERON PHARMACEUTICALS INC. | REGN | McCourt Marion EVP Commercial | 1,000 | $844.61 | $844,610 | 19,105 (Indirect Direct) | View |
2024-10-01 Sale | 2024-10-03 4:02 pm | REGENERON PHARMACEUTICALS INC. | REGN | RYAN ARTHUR F Director | 100 | $1,049 | $104,878 | 17,582 (Direct) | View |
2024-10-01 Sale | 2024-10-03 4:02 pm | REGENERON PHARMACEUTICALS INC. | REGN | McCourt Marion EVP Commercial | 1,000 | $1,054 | $1,054,060 | 20,105 (Indirect Direct) | View |
2024-09-03 Sale | 2024-09-05 4:01 pm | REGENERON PHARMACEUTICALS INC. | REGN | McCourt Marion EVP Commercial | 1,000 | $1,179 | $1,178,730 | 21,105 (Indirect Direct) | View |
2024-09-03 Sale | 2024-09-05 4:01 pm | REGENERON PHARMACEUTICALS INC. | REGN | RYAN ARTHUR F Director | 100 | $1,179 | $117,868 | 17,682 (Direct) | View |
2024-08-28 Sale | 2024-08-29 4:27 pm | REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Finance & CFO | 5,680 | $1,205 | $6,846,262 | 18,742 (Indirect Direct) | View |
2024-08-15 Sale | 2024-08-19 4:02 pm | REGENERON PHARMACEUTICALS INC. | REGN | Bassler Bonnie L Director | 756 | $1,170 | $884,520 | 2,898 (Direct) | View |
2024-08-15 Sale | 2024-08-19 4:01 pm | REGENERON PHARMACEUTICALS INC. | REGN | POON CHRISTINE A Director | 10,838 | $1,158 | $12,552,285 | 2,172 (Direct) | View |
2024-08-14 Sale | 2024-08-15 4:01 pm | REGENERON PHARMACEUTICALS INC. | REGN | MURPHY ANDREW J EVP Research | 6,363 | $1,153 | $7,337,505 | 52,632 (Indirect Direct) | View |
2024-08-08 Sale | 2024-08-12 4:05 pm | REGENERON PHARMACEUTICALS INC. | REGN | STAHL NEIL EVP Research and Development | 5,197 | $1,085 | $5,636,346 | 60,553 (Indirect Direct) | View |
2024-08-07 Sale | 2024-08-07 4:40 pm | REGENERON PHARMACEUTICALS INC. | REGN | Pitofsky Jason VP Controller | 487 | $1,070 | $521,090 | 4,214 (Indirect Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
2025-01-02 Option Award | 2025-01-06 5:42 pm | N/A 2035-01-02 | REGENERON PHARMACEUTICALS INC. | REGN | Schenkein David P Director | 2,124 | $0 | 2,406 (Direct) | View |
2025-01-02 Option Award | 2025-01-06 4:13 pm | N/A 2035-01-02 | REGENERON PHARMACEUTICALS INC. | REGN | Thompson Craig B. Director | 2,124 | $0 | 2,578 (Direct) | View |
2025-01-02 Option Award | 2025-01-06 4:12 pm | N/A 2035-01-02 | REGENERON PHARMACEUTICALS INC. | REGN | COLES N ANTHONY Director | 2,124 | $0 | 3,517 (Direct) | View |
2025-01-02 Option Award | 2025-01-06 4:11 pm | N/A 2035-01-02 | REGENERON PHARMACEUTICALS INC. | REGN | Zoghbi Huda Y Director | 2,124 | $0 | 3,506 (Direct) | View |
2025-01-02 Option Award | 2025-01-06 4:08 pm | N/A 2035-01-02 | REGENERON PHARMACEUTICALS INC. | REGN | RYAN ARTHUR F Director | 2,124 | $0 | 19,706 (Direct) | View |
2024-12-20 Acquisition | 2025-01-06 4:07 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | POON CHRISTINE A Director | 14 | $0 | 4,310 (Direct) | View |
2025-01-02 Option Award | 2025-01-06 4:07 pm | N/A 2035-01-02 | REGENERON PHARMACEUTICALS INC. | REGN | POON CHRISTINE A Director | 2,124 | $0 | 4,310 (Direct) | View |
2025-01-02 Option Award | 2025-01-06 4:06 pm | N/A 2035-01-02 | REGENERON PHARMACEUTICALS INC. | REGN | Guarini Kathryn Director | 2,124 | $0 | 2,406 (Direct) | View |
2025-01-02 Option Award | 2025-01-06 4:06 pm | N/A 2035-01-02 | REGENERON PHARMACEUTICALS INC. | REGN | GOLDSTEIN JOSEPH L Director | 2,124 | $0 | 8,506 (Direct) | View |
2025-01-02 Option Award | 2025-01-06 4:05 pm | N/A 2035-01-02 | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 2,124 | $0 | 14,668 (Direct) | View |
2025-01-02 Option Award | 2025-01-06 4:04 pm | N/A 2035-01-02 | REGENERON PHARMACEUTICALS INC. | REGN | Bassler Bonnie L Director | 2,124 | $0 | 3,506 (Direct) | View |
2024-12-31 Exercise | 2025-01-03 4:02 pm | N/A 2025-01-02 | REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director | 3,338 | $0 | 31,936 (Direct) | View |
2024-12-31 Exercise | 2025-01-03 4:02 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director | 3,338 | $413.33 | 31,936 (Direct) | View |
2024-12-31 Tax Withholding | 2025-01-03 4:02 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director | 1,948 | $708.19 | 31,936 (Direct) | View |
2025-01-02 Option Award | 2025-01-03 4:02 pm | N/A 2035-01-02 | REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director | 2,124 | $0 | 31,936 (Direct) | View |
2024-12-16 Tax Withholding | 2024-12-18 4:03 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | Van Plew Daniel P EVP & General Mgr, Industrial | 969 | $730.81 | 35,892 (Direct) | View |
2024-12-16 Tax Withholding | 2024-12-18 4:02 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | STAHL NEIL EVP Research and Development | 304 | $730.81 | 59,283 (Direct) | View |
2024-12-16 Tax Withholding | 2024-12-18 4:02 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | Pitofsky Jason VP Controller | 298 | $730.81 | 4,854 (Direct) | View |
2024-12-16 Tax Withholding | 2024-12-18 4:02 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | MURPHY ANDREW J EVP Research | 1,054 | $730.81 | 53,400 (Direct) | View |
2024-12-16 Tax Withholding | 2024-12-18 4:02 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | McCourt Marion EVP Commercial | 759 | $730.81 | 14,404 (Direct) | View |
2024-12-16 Tax Withholding | 2024-12-18 4:01 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret | 702 | $730.81 | 39,446 (Direct) | View |
2024-12-16 Tax Withholding | 2024-12-18 4:01 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Finance & CFO | 491 | $730.81 | 19,727 (Direct) | View |
2024-04-04 Gift | 2024-12-10 4:03 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | Pitofsky Jason VP Controller | 179 | $0 | 8,388 (Indirect) | View |
2024-12-09 Tax Withholding | 2024-12-10 4:03 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | Pitofsky Jason VP Controller | 149 | $787 | 8,388 (Direct) | View |
2024-12-06 Option Award | 2024-12-10 4:03 pm | N/A 2034-12-06 | REGENERON PHARMACEUTICALS INC. | REGN | Pitofsky Jason VP Controller | 4,143 | $0 | 8,388 (Direct) | View |
2024-12-09 Tax Withholding | 2024-12-10 4:03 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Finance & CFO | 1,140 | $787 | 30,197 (Direct) | View |
2024-12-06 Option Award | 2024-12-10 4:03 pm | N/A 2034-12-06 | REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Finance & CFO | 12,570 | $0 | 30,197 (Direct) | View |
2024-12-09 Tax Withholding | 2024-12-10 4:03 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | STAHL NEIL EVP Research and Development | 466 | $787 | 59,587 (Direct) | View |
2024-12-09 Tax Withholding | 2024-12-10 4:03 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | Van Plew Daniel P EVP & General Mgr, Industrial | 492 | $787 | 50,333 (Direct) | View |
2024-12-06 Option Award | 2024-12-10 4:03 pm | N/A 2034-12-06 | REGENERON PHARMACEUTICALS INC. | REGN | Van Plew Daniel P EVP & General Mgr, Industrial | 16,971 | $0 | 50,333 (Direct) | View |
2024-12-09 Tax Withholding | 2024-12-10 4:03 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | MURPHY ANDREW J EVP Research | 492 | $787 | 67,926 (Direct) | View |
2024-12-06 Option Award | 2024-12-10 4:03 pm | N/A 2034-12-06 | REGENERON PHARMACEUTICALS INC. | REGN | MURPHY ANDREW J EVP Research | 16,971 | $0 | 67,926 (Direct) | View |
2024-12-09 Tax Withholding | 2024-12-10 4:03 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | McCourt Marion EVP Commercial | 274 | $787 | 24,144 (Direct) | View |
2024-12-06 Option Award | 2024-12-10 4:03 pm | N/A 2034-12-06 | REGENERON PHARMACEUTICALS INC. | REGN | McCourt Marion EVP Commercial | 11,313 | $0 | 24,144 (Direct) | View |
2024-12-09 Tax Withholding | 2024-12-10 4:02 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret | 492 | $787 | 49,129 (Direct) | View |
2024-12-06 Option Award | 2024-12-10 4:02 pm | N/A 2034-12-06 | REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret | 11,313 | $0 | 49,129 (Direct) | View |
2024-11-08 Gift | 2024-11-12 4:03 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | MURPHY ANDREW J EVP Research | 1,185 | $0 | 51,447 (Direct) | View |
2024-11-01 Exercise | 2024-11-05 4:23 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | McCourt Marion EVP Commercial | 1,000 | $381.4 | 19,105 (Direct) | View |
2024-11-01 Exercise | 2024-11-05 4:23 pm | N/A 2028-12-12 | REGENERON PHARMACEUTICALS INC. | REGN | McCourt Marion EVP Commercial | 1,000 | $0 | 19,105 (Direct) | View |
2024-10-01 Exercise | 2024-10-03 4:02 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | McCourt Marion EVP Commercial | 1,000 | $381.4 | 20,105 (Direct) | View |
2024-10-01 Exercise | 2024-10-03 4:02 pm | N/A 2028-12-12 | REGENERON PHARMACEUTICALS INC. | REGN | McCourt Marion EVP Commercial | 1,000 | $0 | 20,105 (Direct) | View |
2024-09-04 Gift | 2024-09-05 4:01 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director | 1,200 | $0 | 28,422 (Direct) | View |
2024-09-03 Exercise | 2024-09-05 4:01 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | McCourt Marion EVP Commercial | 1,000 | $381.4 | 21,105 (Direct) | View |
2024-09-03 Exercise | 2024-09-05 4:01 pm | N/A 2028-12-12 | REGENERON PHARMACEUTICALS INC. | REGN | McCourt Marion EVP Commercial | 1,000 | $0 | 21,105 (Direct) | View |
2024-08-15 Exercise | 2024-08-19 4:02 pm | N/A 2029-01-02 | REGENERON PHARMACEUTICALS INC. | REGN | Bassler Bonnie L Director | 756 | $0 | 2,898 (Direct) | View |
2024-08-15 Exercise | 2024-08-19 4:02 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | Bassler Bonnie L Director | 756 | $371.4 | 2,898 (Direct) | View |
2024-08-15 Exercise | 2024-08-19 4:01 pm | N/A 2025-01-02 | REGENERON PHARMACEUTICALS INC. | REGN | POON CHRISTINE A Director | 10,838 | $0 | 2,172 (Direct) | View |
2024-08-15 Exercise | 2024-08-19 4:01 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | POON CHRISTINE A Director | 10,838 | $413.33 | 2,172 (Direct) | View |
2024-08-13 Exercise | 2024-08-15 4:01 pm | N/A 2024-12-16 | REGENERON PHARMACEUTICALS INC. | REGN | MURPHY ANDREW J EVP Research | 20,000 | $0 | 52,632 (Direct) | View |
2024-08-13 Tax Withholding | 2024-08-15 4:01 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | MURPHY ANDREW J EVP Research | 13,637 | $1,141 | 52,632 (Direct) | View |
2024-08-13 Exercise | 2024-08-15 4:01 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | MURPHY ANDREW J EVP Research | 20,000 | $399.66 | 52,632 (Direct) | View |
2024-08-13 Gift | 2024-08-14 4:01 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | STAHL NEIL EVP Research and Development | 500 | $0 | 60,053 (Direct) | View |
2024-08-12 Gift | 2024-08-12 4:05 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | STAHL NEIL EVP Research and Development | 900 | $0 | 60,553 (Direct) | View |
2024-08-07 Exercise | 2024-08-07 4:40 pm | N/A 2029-12-11 | REGENERON PHARMACEUTICALS INC. | REGN | Pitofsky Jason VP Controller | 487 | $0 | 4,214 (Direct) | View |
2024-08-07 Exercise | 2024-08-07 4:40 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | Pitofsky Jason VP Controller | 487 | $372.46 | 4,214 (Direct) | View |
2024-08-02 Exercise | 2024-08-06 4:03 pm | N/A 2025-12-16 | REGENERON PHARMACEUTICALS INC. | REGN | STAHL NEIL EVP Research and Development | 23,638 | $0 | 111,650 (Direct) | View |
2024-08-02 Exercise | 2024-08-06 4:03 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | STAHL NEIL EVP Research and Development | 23,638 | $555.67 | 111,650 (Direct) | View |
2024-08-02 Tax Withholding | 2024-08-06 4:03 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | STAHL NEIL EVP Research and Development | 18,441 | $1,093 | 111,650 (Direct) | View |