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 |
|---|---|---|---|---|---|---|
| 2014-03-28 | Sanofi10% owner | Purchase | 15,554 | $304.2794 | $4.7m | Form 4 |
| 2014-03-28 | Sanofi10% owner | Purchase | 19,390 | $303.1871 | $5.9m | Form 4 |
| 2014-03-28 | Sanofi10% owner | Purchase | 37,837 | $302.0951 | $11.4m | Form 4 |
| 2014-03-28 | Sanofi10% owner | Purchase | 30,467 | $301.3207 | $9.2m | Form 4 |
| 2014-03-28 | Sanofi10% owner | Purchase | 19,074 | $300.2759 | $5.7m | Form 4 |
| 2014-03-27 | Sanofi10% owner | Purchase | 100 | $316.49 | $31.6k | Form 4 |
| 2014-03-27 | Sanofi10% owner | Purchase | 5,654 | $315.4428 | $1.8m | Form 4 |
| 2014-03-27 | Sanofi10% owner | Purchase | 16,153 | $314.6068 | $5.1m | Form 4 |
| 2014-03-27 | Sanofi10% owner | Purchase | 20,470 | $313.6233 | $6.4m | Form 4 |
| 2014-03-27 | Sanofi10% owner | Purchase | 45,235 | $312.5581 | $14.1m | Form 4 |
| 2014-03-27 | Sanofi10% owner | Purchase | 49,846 | $311.6542 | $15.5m | Form 4 |
| 2014-03-27 | Sanofi10% owner | Purchase | 61,030 | $310.6766 | $19.0m | Form 4 |
| 2014-03-27 | Sanofi10% owner | Purchase | 70,552 | $309.7938 | $21.9m | Form 4 |
| 2014-03-27 | Sanofi10% owner | Purchase | 19,807 | $308.7453 | $6.1m | Form 4 |
| 2014-03-27 | Sanofi10% owner | Purchase | 4,869 | $307.6554 | $1.5m | Form 4 |
| 2014-03-27 | Sanofi10% owner | Purchase | 5,845 | $306.5312 | $1.8m | Form 4 |
| 2014-03-27 | Sanofi10% owner | Purchase | 5,635 | $305.5538 | $1.7m | Form 4 |
| 2014-03-27 | Sanofi10% owner | Purchase | 1,749 | $302.9609 | $529.9k | Form 4 |
| 2014-03-24 | Sanofi10% owner | Purchase | 3,798 | $314.215 | $1.2m | Form 4 |
| 2014-03-24 | Sanofi10% owner | Purchase | 11,628 | $313.1076 | $3.6m | Form 4 |
| 2014-03-24 | Sanofi10% owner | Purchase | 17,213 | $312.1853 | $5.4m | Form 4 |
| 2014-03-24 | Sanofi10% owner | Purchase | 36,778 | $311.2042 | $11.4m | Form 4 |
| 2014-03-24 | Sanofi10% owner | Purchase | 36,189 | $310.2267 | $11.2m | Form 4 |
| 2014-03-24 | Sanofi10% owner | Purchase | 20,627 | $309.3008 | $6.4m | Form 4 |
| 2014-03-24 | Sanofi10% owner | Purchase | 24,473 | $308.2074 | $7.5m | Form 4 |
| 2014-03-24 | Sanofi10% owner | Purchase | 32,358 | $307.1719 | $9.9m | Form 4 |
| 2014-03-24 | Sanofi10% owner | Purchase | 45,101 | $306.2251 | $13.8m | Form 4 |
| 2014-03-24 | Sanofi10% owner | Purchase | 39,976 | $305.0842 | $12.2m | Form 4 |
| 2014-03-24 | Sanofi10% owner | Purchase | 22,106 | $304.3466 | $6.7m | Form 4 |
| 2014-03-24 | Sanofi10% owner | Purchase | 6,592 | $303.3339 | $2.0m | Form 4 |
| 2014-03-24 | Sanofi10% owner | Purchase | 1,509 | $302.0969 | $455.9k | Form 4 |
| 2014-03-24 | Sanofi10% owner | Purchase | 1,582 | $301.2392 | $476.6k | Form 4 |
| 2014-03-24 | Sanofi10% owner | Purchase | 3,988 | $300.2401 | $1.2m | Form 4 |
| 2014-03-24 | Sanofi10% owner | Purchase | 3,027 | $299.0082 | $905.1k | Form 4 |
| 2014-03-21 | Sanofi10% owner | Purchase | 1,915 | $332.7833 | $637.3k | Form 4 |
| 2014-03-21 | Sanofi10% owner | Purchase | 2,110 | $331.4914 | $699.4k | Form 4 |
| 2014-03-21 | Sanofi10% owner | Purchase | 506 | $330.3839 | $167.2k | Form 4 |
| 2014-03-21 | Sanofi10% owner | Purchase | 1,749 | $329.1682 | $575.7k | Form 4 |
| 2014-03-21 | Sanofi10% owner | Purchase | 7,476 | $328.2175 | $2.5m | Form 4 |
| 2014-03-21 | Sanofi10% owner | Purchase | 8,918 | $327.0443 | $2.9m | Form 4 |
| 2014-03-21 | Sanofi10% owner | Purchase | 13,905 | $326.1081 | $4.5m | Form 4 |
| 2014-03-21 | Sanofi10% owner | Purchase | 25,116 | $325.187 | $8.2m | Form 4 |
| 2014-03-21 | Sanofi10% owner | Purchase | 31,754 | $324.0934 | $10.3m | Form 4 |
| 2014-03-21 | Sanofi10% owner | Purchase | 27,688 | $323.3238 | $9.0m | Form 4 |
| 2014-03-21 | Sanofi10% owner | Purchase | 21,101 | $322.28 | $6.8m | Form 4 |
| 2014-03-21 | Sanofi10% owner | Purchase | 16,036 | $321.2298 | $5.2m | Form 4 |
| 2014-03-21 | Sanofi10% owner | Purchase | 23,411 | $320.0872 | $7.5m | Form 4 |
| 2014-03-21 | Sanofi10% owner | Purchase | 37,436 | $319.1846 | $11.9m | Form 4 |
| 2014-03-21 | Sanofi10% owner | Purchase | 26,229 | $318.363 | $8.4m | Form 4 |
| 2014-03-21 | Sanofi10% owner | Purchase | 23,644 | $317.2291 | $7.5m | 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.