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 |
|---|---|---|---|---|---|---|
| 2014-07-01 | Sanofi10% owner | Purchase | 42,419 | $303.2385 | $12.9m | Form 4 |
| 2014-07-01 | Sanofi10% owner | Purchase | 11,932 | $302.376 | $3.6m | Form 4 |
| 2014-07-01 | Sanofi10% owner | Purchase | 39,530 | $301.2295 | $11.9m | Form 4 |
| 2014-07-01 | Sanofi10% owner | Purchase | 18,074 | $300.2167 | $5.4m | Form 4 |
| 2014-07-01 | Sanofi10% owner | Purchase | 16,683 | $299.1603 | $5.0m | Form 4 |
| 2014-07-01 | Sanofi10% owner | Purchase | 8,238 | $298.1332 | $2.5m | Form 4 |
| 2014-07-01 | Sanofi10% owner | Purchase | 20,472 | $297.2576 | $6.1m | Form 4 |
| 2014-07-01 | Sanofi10% owner | Purchase | 10,463 | $296.3817 | $3.1m | Form 4 |
| 2014-07-01 | Sanofi10% owner | Purchase | 11,155 | $295.0946 | $3.3m | Form 4 |
| 2014-07-01 | Sanofi10% owner | Purchase | 5,001 | $294.2568 | $1.5m | Form 4 |
| 2014-07-01 | Sanofi10% owner | Purchase | 3,513 | $292.9795 | $1.0m | Form 4 |
| 2014-07-01 | Sanofi10% owner | Purchase | 689 | $289.3166 | $199.3k | Form 4 |
| 2014-07-01 | Sanofi10% owner | Purchase | 543 | $288.2412 | $156.5k | Form 4 |
| 2014-07-01 | Sanofi10% owner | Purchase | 930 | $287.0772 | $267.0k | Form 4 |
| 2014-07-01 | Sanofi10% owner | Purchase | 600 | $285.89 | $171.5k | Form 4 |
| 2014-06-30 | Sanofi10% owner | Purchase | 7,024 | $284.527 | $2.0m | Form 4 |
| 2014-06-30 | Sanofi10% owner | Purchase | 62,704 | $283.8328 | $17.8m | Form 4 |
| 2014-06-30 | Sanofi10% owner | Purchase | 79,511 | $282.9111 | $22.5m | Form 4 |
| 2014-06-30 | Sanofi10% owner | Purchase | 25,643 | $281.894 | $7.2m | Form 4 |
| 2014-06-30 | Sanofi10% owner | Purchase | 20,665 | $280.7446 | $5.8m | Form 4 |
| 2014-06-30 | Sanofi10% owner | Purchase | 6,844 | $280.0328 | $1.9m | Form 4 |
| 2014-06-30 | Sanofi10% owner | Purchase | 3,160 | $278.302 | $879.4k | Form 4 |
| 2014-06-30 | Sanofi10% owner | Purchase | 1,600 | $277.2924 | $443.7k | Form 4 |
| 2014-06-30 | Sanofi10% owner | Purchase | 4,725 | $276.3318 | $1.3m | Form 4 |
| 2014-06-30 | Sanofi10% owner | Purchase | 524 | $275.679 | $144.5k | Form 4 |
| 2014-06-27 | Sanofi10% owner | Purchase | 1,766 | $277.4302 | $489.9k | Form 4 |
| 2014-06-27 | Sanofi10% owner | Purchase | 16,131 | $276.8007 | $4.5m | Form 4 |
| 2014-06-27 | Sanofi10% owner | Purchase | 15,394 | $275.8115 | $4.2m | Form 4 |
| 2014-06-27 | Sanofi10% owner | Purchase | 4,593 | $274.7689 | $1.3m | Form 4 |
| 2014-06-27 | Sanofi10% owner | Purchase | 2,011 | $273.8054 | $550.6k | Form 4 |
| 2014-06-27 | Sanofi10% owner | Purchase | 10,105 | $272.6967 | $2.8m | Form 4 |
| 2014-05-19 | Sanofi10% owner | Purchase | 12,220 | $302.7036 | $3.7m | Form 4 |
| 2014-05-19 | Sanofi10% owner | Purchase | 35,781 | $301.9027 | $10.8m | Form 4 |
| 2014-05-19 | Sanofi10% owner | Purchase | 41,388 | $300.95 | $12.5m | Form 4 |
| 2014-05-19 | Sanofi10% owner | Purchase | 33,610 | $300.1963 | $10.1m | Form 4 |
| 2014-05-19 | Sanofi10% owner | Purchase | 22,869 | $298.7473 | $6.8m | Form 4 |
| 2014-05-19 | Sanofi10% owner | Purchase | 28,158 | $298.0832 | $8.4m | Form 4 |
| 2014-05-19 | Sanofi10% owner | Purchase | 11,548 | $296.9097 | $3.4m | Form 4 |
| 2014-05-19 | Sanofi10% owner | Purchase | 5,177 | $296.0767 | $1.5m | Form 4 |
| 2014-03-28 | Sanofi10% owner | Purchase | 6,393 | $315.3258 | $2.0m | Form 4 |
| 2014-03-28 | Sanofi10% owner | Purchase | 9,278 | $314.3774 | $2.9m | Form 4 |
| 2014-03-28 | Sanofi10% owner | Purchase | 7,481 | $313.4171 | $2.3m | Form 4 |
| 2014-03-28 | Sanofi10% owner | Purchase | 12,670 | $312.3055 | $4.0m | Form 4 |
| 2014-03-28 | Sanofi10% owner | Purchase | 33,203 | $311.1933 | $10.3m | Form 4 |
| 2014-03-28 | Sanofi10% owner | Purchase | 33,102 | $310.3466 | $10.3m | Form 4 |
| 2014-03-28 | Sanofi10% owner | Purchase | 25,893 | $309.1943 | $8.0m | Form 4 |
| 2014-03-28 | Sanofi10% owner | Purchase | 12,209 | $308.099 | $3.8m | Form 4 |
| 2014-03-28 | Sanofi10% owner | Purchase | 10,352 | $307.3155 | $3.2m | Form 4 |
| 2014-03-28 | Sanofi10% owner | Purchase | 20,264 | $306.212 | $6.2m | Form 4 |
| 2014-03-28 | Sanofi10% owner | Purchase | 13,778 | $305.2687 | $4.2m | 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.