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 |
|---|---|---|---|---|---|---|
| 2017-06-02 | Sanofi10% owner | Purchase | 402 | $466.3828 | $187.5k | Form 4 |
| 2017-01-11 | Sanofi10% owner | Purchase | 2,110 | $379.5636 | $800.9k | Form 4 |
| 2017-01-11 | Sanofi10% owner | Purchase | 9,520 | $378.7635 | $3.6m | Form 4 |
| 2017-01-11 | Sanofi10% owner | Purchase | 5,313 | $377.8368 | $2.0m | Form 4 |
| 2017-01-11 | Sanofi10% owner | Purchase | 3,851 | $376.7488 | $1.5m | Form 4 |
| 2017-01-11 | Sanofi10% owner | Purchase | 3,016 | $375.8789 | $1.1m | Form 4 |
| 2017-01-11 | Sanofi10% owner | Purchase | 3,830 | $374.5922 | $1.4m | Form 4 |
| 2017-01-11 | Sanofi10% owner | Purchase | 2,784 | $373.9018 | $1.0m | Form 4 |
| 2017-01-11 | Sanofi10% owner | Purchase | 2,675 | $372.8741 | $997.4k | Form 4 |
| 2017-01-11 | Sanofi10% owner | Purchase | 1,259 | $371.5346 | $467.8k | Form 4 |
| 2017-01-11 | Sanofi10% owner | Purchase | 900 | $370.1789 | $333.2k | Form 4 |
| 2017-01-11 | Sanofi10% owner | Purchase | 2,517 | $369.30 | $929.5k | Form 4 |
| 2017-01-11 | Sanofi10% owner | Purchase | 2,336 | $368.3472 | $860.5k | Form 4 |
| 2017-01-11 | Sanofi10% owner | Purchase | 1,986 | $367.2911 | $729.4k | Form 4 |
| 2017-01-11 | Sanofi10% owner | Purchase | 3,979 | $366.0528 | $1.5m | Form 4 |
| 2017-01-11 | Sanofi10% owner | Purchase | 19,858 | $365.2018 | $7.3m | Form 4 |
| 2017-01-11 | Sanofi10% owner | Purchase | 13,226 | $364.3224 | $4.8m | Form 4 |
| 2017-01-11 | Sanofi10% owner | Purchase | 6,546 | $363.3534 | $2.4m | Form 4 |
| 2017-01-11 | Sanofi10% owner | Purchase | 1,592 | $362.4664 | $577.0k | Form 4 |
| 2016-06-14 | Sanofi10% owner | Purchase | 1,007 | $367.0462 | $369.6k | Form 4 |
| 2016-06-14 | Sanofi10% owner | Purchase | 9,893 | $366.3964 | $3.6m | Form 4 |
| 2016-06-14 | Sanofi10% owner | Purchase | 16,935 | $365.2133 | $6.2m | Form 4 |
| 2016-06-14 | Sanofi10% owner | Purchase | 5,836 | $364.0373 | $2.1m | Form 4 |
| 2016-06-14 | Sanofi10% owner | Purchase | 4,745 | $363.2826 | $1.7m | Form 4 |
| 2016-06-14 | Sanofi10% owner | Purchase | 19,708 | $362.1509 | $7.1m | Form 4 |
| 2016-06-14 | Sanofi10% owner | Purchase | 6,607 | $361.4392 | $2.4m | Form 4 |
| 2016-02-17 | Sanofi10% owner | Purchase | 300 | $398.38 | $119.5k | Form 4 |
| 2016-02-17 | Sanofi10% owner | Purchase | 3,400 | $397.0707 | $1.4m | Form 4 |
| 2016-02-17 | Sanofi10% owner | Purchase | 11,018 | $396.2026 | $4.4m | Form 4 |
| 2016-02-17 | Sanofi10% owner | Purchase | 13,288 | $395.3203 | $5.3m | Form 4 |
| 2016-02-17 | Sanofi10% owner | Purchase | 12,988 | $394.2403 | $5.1m | Form 4 |
| 2016-02-17 | Sanofi10% owner | Purchase | 6,730 | $393.1577 | $2.6m | Form 4 |
| 2016-02-17 | Sanofi10% owner | Purchase | 27,088 | $391.8482 | $10.6m | Form 4 |
| 2016-02-17 | Sanofi10% owner | Purchase | 3,681 | $391.2307 | $1.4m | Form 4 |
| 2016-02-17 | Sanofi10% owner | Purchase | 1,507 | $390.1449 | $587.9k | Form 4 |
| 2016-02-16 | Sanofi10% owner | Purchase | 600 | $393.95 | $236.4k | Form 4 |
| 2016-02-16 | Sanofi10% owner | Purchase | 7,301 | $393.2723 | $2.9m | Form 4 |
| 2016-02-16 | Sanofi10% owner | Purchase | 14,692 | $392.3656 | $5.8m | Form 4 |
| 2016-02-16 | Sanofi10% owner | Purchase | 33,131 | $391.3591 | $13.0m | Form 4 |
| 2016-02-16 | Sanofi10% owner | Purchase | 14,303 | $390.4695 | $5.6m | Form 4 |
| 2016-02-16 | Sanofi10% owner | Purchase | 6,789 | $389.4759 | $2.6m | Form 4 |
| 2016-02-16 | Sanofi10% owner | Purchase | 2,196 | $388.2999 | $852.7k | Form 4 |
| 2016-02-16 | Sanofi10% owner | Purchase | 2,145 | $387.4283 | $831.0k | Form 4 |
| 2016-01-12 | Sanofi10% owner | Purchase | 3,563 | $472.641 | $1.7m | Form 4 |
| 2016-01-12 | Sanofi10% owner | Purchase | 3,600 | $471.5617 | $1.7m | Form 4 |
| 2016-01-12 | Sanofi10% owner | Purchase | 7,204 | $470.6444 | $3.4m | Form 4 |
| 2016-01-12 | Sanofi10% owner | Purchase | 14,169 | $469.7058 | $6.7m | Form 4 |
| 2016-01-12 | Sanofi10% owner | Purchase | 5,082 | $468.4646 | $2.4m | Form 4 |
| 2016-01-12 | Sanofi10% owner | Purchase | 4,901 | $467.6617 | $2.3m | Form 4 |
| 2016-01-12 | Sanofi10% owner | Purchase | 3,608 | $466.2618 | $1.7m | Form 4 |
Source: SEC EDGAR, Forms 4. Last ingested by Listed: Nov 5, 2026, 17:09 ET. Listed shows no prices and gives no investment advice.