Regeneron Pharmaceuticals, Inc.
REGNNasdaqCIK 872589HealthcareFiscal year ends Dec 31
All transactions: 551
Non-derivative transactions reported on Forms 4, newest first. Purchases and sales (codes P and S) are open-market trades; the other codes are grants, exercises, withholding and gifts. The reported price is as stated on the form, not a market price.
What these mean: insiders, Form 4, transaction codes, Rule 10b5-1 plans.
No open-market purchases or sales by insiders are in coverage from Dec 2024 to Nov 2026.
| Date | Insider | Transaction | Shares | Reported price | Value | Filing |
|---|---|---|---|---|---|---|
| 2014-03-21 | Sanofi10% owner | Purchase | 5,700 | $316.1587 | $1.8m | Form 4 |
| 2014-03-21 | Sanofi10% owner | Purchase | 14,463 | $315.0737 | $4.6m | Form 4 |
| 2014-03-21 | Sanofi10% owner | Purchase | 10,934 | $314.213 | $3.4m | Form 4 |
| 2014-03-21 | Sanofi10% owner | Purchase | 5,024 | $313.1237 | $1.6m | Form 4 |
| 2014-03-20 | Sanofi10% owner | Purchase | 14,641 | $328.931 | $4.8m | Form 4 |
| 2014-03-20 | Sanofi10% owner | Purchase | 35,030 | $328.4944 | $11.5m | Form 4 |
| 2014-03-20 | Sanofi10% owner | Purchase | 6,142 | $327.5243 | $2.0m | Form 4 |
| 2014-03-20 | Sanofi10% owner | Purchase | 2,144 | $325.9417 | $698.8k | Form 4 |
| 2014-03-19 | Sanofi10% owner | Purchase | 4,571 | $328.6675 | $1.5m | Form 4 |
| 2014-03-19 | Sanofi10% owner | Purchase | 3,428 | $327.6025 | $1.1m | Form 4 |
| 2014-03-19 | Sanofi10% owner | Purchase | 1,747 | $326.4399 | $570.3k | Form 4 |
| 2014-03-17 | Sanofi10% owner | Purchase | 25,629 | $328.8635 | $8.4m | Form 4 |
| 2014-03-17 | Sanofi10% owner | Purchase | 34,499 | $328.3223 | $11.3m | Form 4 |
| 2014-03-14 | Sanofi10% owner | Purchase | 8,158 | $329.00 | $2.7m | Form 4 |
| 2014-03-14 | Sanofi10% owner | Purchase | 33,081 | $328.6411 | $10.9m | Form 4 |
| 2014-03-14 | Sanofi10% owner | Purchase | 11,096 | $327.5149 | $3.6m | Form 4 |
| 2014-03-14 | Sanofi10% owner | Purchase | 3,248 | $326.7707 | $1.1m | Form 4 |
| 2014-03-12 | Sanofi10% owner | Purchase | 34,834 | $339.2661 | $11.8m | Form 4 |
| 2014-03-12 | Sanofi10% owner | Purchase | 40,535 | $338.3464 | $13.7m | Form 4 |
| 2014-03-12 | Sanofi10% owner | Purchase | 32,539 | $337.4142 | $11.0m | Form 4 |
| 2014-03-12 | Sanofi10% owner | Purchase | 18,859 | $336.7096 | $6.4m | Form 4 |
| 2014-03-12 | Sanofi10% owner | Purchase | 10,334 | $335.394 | $3.5m | Form 4 |
| 2014-03-12 | Sanofi10% owner | Purchase | 12,594 | $333.8408 | $4.2m | Form 4 |
| 2014-03-12 | Sanofi10% owner | Purchase | 6,129 | $331.6995 | $2.0m | Form 4 |
| 2014-03-12 | Sanofi10% owner | Purchase | 20,851 | $330.7382 | $6.9m | Form 4 |
| 2014-03-12 | Sanofi10% owner | Purchase | 2,600 | $329.3254 | $856.2k | Form 4 |
| 2014-03-12 | Sanofi10% owner | Purchase | 11,822 | $328.2163 | $3.9m | Form 4 |
| 2014-03-12 | Sanofi10% owner | Purchase | 9,819 | $327.493 | $3.2m | Form 4 |
| 2014-03-12 | Sanofi10% owner | Purchase | 15,296 | $326.516 | $5.0m | Form 4 |
| 2014-03-12 | Sanofi10% owner | Purchase | 4,783 | $325.4015 | $1.6m | Form 4 |
| 2014-03-11 | Sanofi10% owner | Purchase | 26,830 | $335.6752 | $9.0m | Form 4 |
| 2014-03-11 | Sanofi10% owner | Purchase | 15,835 | $334.8897 | $5.3m | Form 4 |
| 2014-03-11 | Sanofi10% owner | Purchase | 19,967 | $333.5873 | $6.7m | Form 4 |
| 2014-03-11 | Sanofi10% owner | Purchase | 31,603 | $332.4979 | $10.5m | Form 4 |
| 2014-03-11 | Sanofi10% owner | Purchase | 18,019 | $331.6104 | $6.0m | Form 4 |
| 2014-03-11 | Sanofi10% owner | Purchase | 31,792 | $330.46 | $10.5m | Form 4 |
| 2014-03-11 | Sanofi10% owner | Purchase | 32,976 | $329.6812 | $10.9m | Form 4 |
| 2014-03-11 | Sanofi10% owner | Purchase | 3,688 | $328.8187 | $1.2m | Form 4 |
| 2014-03-10 | Sanofi10% owner | Purchase | 2,289 | $332.2587 | $760.5k | Form 4 |
| 2014-03-10 | Sanofi10% owner | Purchase | 3,808 | $331.4942 | $1.3m | Form 4 |
| 2014-03-10 | Sanofi10% owner | Purchase | 44,105 | $330.4271 | $14.6m | Form 4 |
| 2014-03-10 | Sanofi10% owner | Purchase | 51,909 | $329.2599 | $17.1m | Form 4 |
| 2014-03-10 | Sanofi10% owner | Purchase | 48,518 | $328.3089 | $15.9m | Form 4 |
| 2014-03-10 | Sanofi10% owner | Purchase | 22,731 | $327.5757 | $7.4m | Form 4 |
| 2014-03-10 | Sanofi10% owner | Purchase | 14,124 | $326.4301 | $4.6m | Form 4 |
| 2014-03-10 | Sanofi10% owner | Purchase | 12,338 | $325.3374 | $4.0m | Form 4 |
| 2014-03-07 | Sanofi10% owner | Purchase | 241 | $325.8246 | $78.5k | Form 4 |
| 2014-03-07 | Sanofi10% owner | Purchase | 496 | $324.6829 | $161.0k | Form 4 |
| 2014-03-07 | Sanofi10% owner | Purchase | 5,962 | $323.6836 | $1.9m | Form 4 |
| 2014-03-07 | Sanofi10% owner | Purchase | 2,615 | $322.9828 | $844.6k | Form 4 |
Source: SEC EDGAR, Forms 4. Last ingested by Listed: Nov 6, 2026, 16:27 ET. Listed shows no prices and gives no investment advice.