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 |
|---|---|---|---|---|---|---|
| 2016-01-12 | Sanofi10% owner | Purchase | 8,002 | $465.4998 | $3.7m | Form 4 |
| 2016-01-12 | Sanofi10% owner | Purchase | 4,148 | $464.411 | $1.9m | Form 4 |
| 2016-01-12 | Sanofi10% owner | Purchase | 2,759 | $463.1723 | $1.3m | Form 4 |
| 2016-01-12 | Sanofi10% owner | Purchase | 4,941 | $462.2263 | $2.3m | Form 4 |
| 2016-01-12 | Sanofi10% owner | Purchase | 3,563 | $461.4128 | $1.6m | Form 4 |
| 2016-01-12 | Sanofi10% owner | Purchase | 2,500 | $460.1156 | $1.2m | Form 4 |
| 2016-01-12 | Sanofi10% owner | Purchase | 3,100 | $457.9952 | $1.4m | Form 4 |
| 2016-01-12 | Sanofi10% owner | Purchase | 3,220 | $457.1844 | $1.5m | Form 4 |
| 2016-01-12 | Sanofi10% owner | Purchase | 2,164 | $455.6774 | $986.1k | Form 4 |
| 2016-01-12 | Sanofi10% owner | Purchase | 2,407 | $454.5971 | $1.1m | Form 4 |
| 2016-01-12 | Sanofi10% owner | Purchase | 5,007 | $453.8912 | $2.3m | Form 4 |
| 2015-10-06 | Sanofi10% owner | Purchase | 2,300 | $469.461 | $1.1m | Form 4 |
| 2015-10-06 | Sanofi10% owner | Purchase | 1,702 | $468.4879 | $797.4k | Form 4 |
| 2015-10-06 | Sanofi10% owner | Purchase | 2,200 | $467.3464 | $1.0m | Form 4 |
| 2015-10-06 | Sanofi10% owner | Purchase | 900 | $466.0381 | $419.4k | Form 4 |
| 2015-10-06 | Sanofi10% owner | Purchase | 1,190 | $464.5745 | $552.8k | Form 4 |
| 2015-10-06 | Sanofi10% owner | Purchase | 5,812 | $463.7103 | $2.7m | Form 4 |
| 2015-10-06 | Sanofi10% owner | Purchase | 5,411 | $462.6074 | $2.5m | Form 4 |
| 2015-10-06 | Sanofi10% owner | Purchase | 9,271 | $461.6131 | $4.3m | Form 4 |
| 2015-10-06 | Sanofi10% owner | Purchase | 12,798 | $460.7054 | $5.9m | Form 4 |
| 2015-10-06 | Sanofi10% owner | Purchase | 6,697 | $459.5495 | $3.1m | Form 4 |
| 2015-10-06 | Sanofi10% owner | Purchase | 9,730 | $458.5797 | $4.5m | Form 4 |
| 2015-10-06 | Sanofi10% owner | Purchase | 2,938 | $457.6022 | $1.3m | Form 4 |
| 2015-10-06 | Sanofi10% owner | Purchase | 2,480 | $456.5556 | $1.1m | Form 4 |
| 2015-10-06 | Sanofi10% owner | Purchase | 3,601 | $455.558 | $1.6m | Form 4 |
| 2015-10-06 | Sanofi10% owner | Purchase | 4,140 | $454.4757 | $1.9m | Form 4 |
| 2015-10-06 | Sanofi10% owner | Purchase | 3,842 | $453.4794 | $1.7m | Form 4 |
| 2015-10-06 | Sanofi10% owner | Purchase | 1,768 | $452.3727 | $799.8k | Form 4 |
| 2015-10-06 | Sanofi10% owner | Purchase | 1,451 | $451.3084 | $654.8k | Form 4 |
| 2015-10-06 | Sanofi10% owner | Purchase | 1,200 | $450.2306 | $540.3k | Form 4 |
| 2015-10-06 | Sanofi10% owner | Purchase | 1,107 | $449.1383 | $497.2k | Form 4 |
| 2015-10-06 | Sanofi10% owner | Purchase | 100 | $476.85 | $47.7k | Form 4 |
| 2015-10-06 | Sanofi10% owner | Purchase | 700 | $476.3543 | $333.4k | Form 4 |
| 2015-10-06 | Sanofi10% owner | Purchase | 1,000 | $474.265 | $474.3k | Form 4 |
| 2015-10-06 | Sanofi10% owner | Purchase | 1,000 | $473.3125 | $473.3k | Form 4 |
| 2015-10-06 | Sanofi10% owner | Purchase | 2,650 | $472.3657 | $1.3m | Form 4 |
| 2015-10-06 | Sanofi10% owner | Purchase | 3,625 | $471.6367 | $1.7m | Form 4 |
| 2015-10-06 | Sanofi10% owner | Purchase | 1,965 | $470.4102 | $924.4k | Form 4 |
| 2015-09-23 | Sanofi10% owner | Purchase | 3,729 | $539.9825 | $2.0m | Form 4 |
| 2015-09-23 | Sanofi10% owner | Purchase | 11,212 | $539.1918 | $6.0m | Form 4 |
| 2015-09-23 | Sanofi10% owner | Purchase | 15,274 | $538.3122 | $8.2m | Form 4 |
| 2015-09-23 | Sanofi10% owner | Purchase | 20,730 | $537.2133 | $11.1m | Form 4 |
| 2015-09-23 | Sanofi10% owner | Purchase | 23,423 | $536.2586 | $12.6m | Form 4 |
| 2015-09-23 | Sanofi10% owner | Purchase | 19,042 | $535.2162 | $10.2m | Form 4 |
| 2015-09-23 | Sanofi10% owner | Purchase | 12,828 | $534.4185 | $6.9m | Form 4 |
| 2015-09-23 | Sanofi10% owner | Purchase | 5,945 | $533.233 | $3.2m | Form 4 |
| 2015-09-23 | Sanofi10% owner | Purchase | 2,544 | $531.9284 | $1.4m | Form 4 |
| 2015-09-23 | Sanofi10% owner | Purchase | 6,043 | $530.6769 | $3.2m | Form 4 |
| 2015-09-23 | Sanofi10% owner | Purchase | 8,689 | $530.0952 | $4.6m | Form 4 |
| 2015-09-23 | Sanofi10% owner | Purchase | 4,694 | $529.041 | $2.5m | 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.