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 |
|---|---|---|---|---|---|---|
| 2014-10-15 | Sanofi10% owner | Purchase | 5,016 | $332.7549 | $1.7m | Form 4 |
| 2014-10-15 | Sanofi10% owner | Purchase | 1,200 | $331.6717 | $398.0k | Form 4 |
| 2014-10-15 | Sanofi10% owner | Purchase | 930 | $330.9003 | $307.7k | Form 4 |
| 2014-10-15 | Sanofi10% owner | Purchase | 20,062 | $329.7899 | $6.6m | Form 4 |
| 2014-10-15 | Sanofi10% owner | Purchase | 42,447 | $328.8469 | $14.0m | Form 4 |
| 2014-10-15 | Sanofi10% owner | Purchase | 23,602 | $328.0115 | $7.7m | Form 4 |
| 2014-10-15 | Sanofi10% owner | Purchase | 7,249 | $326.8701 | $2.4m | Form 4 |
| 2014-10-15 | Sanofi10% owner | Purchase | 28,003 | $325.6033 | $9.1m | Form 4 |
| 2014-10-15 | Sanofi10% owner | Purchase | 13,876 | $324.9268 | $4.5m | Form 4 |
| 2014-10-15 | Sanofi10% owner | Purchase | 5,739 | $323.896 | $1.9m | Form 4 |
| 2014-09-16 | Sanofi10% owner | Purchase | 12,647 | $349.9076 | $4.4m | Form 4 |
| 2014-09-16 | Sanofi10% owner | Purchase | 15,031 | $349.1198 | $5.2m | Form 4 |
| 2014-09-16 | Sanofi10% owner | Purchase | 4,039 | $347.7774 | $1.4m | Form 4 |
| 2014-09-15 | Sanofi10% owner | Purchase | 4,898 | $346.6958 | $1.7m | Form 4 |
| 2014-09-15 | Sanofi10% owner | Purchase | 19,117 | $346.1309 | $6.6m | Form 4 |
| 2014-09-15 | Sanofi10% owner | Purchase | 12,934 | $344.8936 | $4.5m | Form 4 |
| 2014-09-15 | Sanofi10% owner | Purchase | 10,471 | $343.8373 | $3.6m | Form 4 |
| 2014-09-15 | Sanofi10% owner | Purchase | 16,623 | $342.923 | $5.7m | Form 4 |
| 2014-09-15 | Sanofi10% owner | Purchase | 4,859 | $341.9486 | $1.7m | Form 4 |
| 2014-09-15 | Sanofi10% owner | Purchase | 11,922 | $340.8803 | $4.1m | Form 4 |
| 2014-09-12 | Sanofi10% owner | Purchase | 11,741 | $347.9181 | $4.1m | Form 4 |
| 2014-09-12 | Sanofi10% owner | Purchase | 23,324 | $346.8796 | $8.1m | Form 4 |
| 2014-09-12 | Sanofi10% owner | Purchase | 22,872 | $346.1174 | $7.9m | Form 4 |
| 2014-09-12 | Sanofi10% owner | Purchase | 1,871 | $345.0655 | $645.6k | Form 4 |
| 2014-07-15 | Sanofi10% owner | Purchase | 800 | $319.6944 | $255.8k | Form 4 |
| 2014-07-15 | Sanofi10% owner | Purchase | 8,409 | $319.0803 | $2.7m | Form 4 |
| 2014-07-15 | Sanofi10% owner | Purchase | 8,131 | $318.1141 | $2.6m | Form 4 |
| 2014-07-15 | Sanofi10% owner | Purchase | 18,772 | $317.1444 | $6.0m | Form 4 |
| 2014-07-15 | Sanofi10% owner | Purchase | 12,683 | $316.022 | $4.0m | Form 4 |
| 2014-07-15 | Sanofi10% owner | Purchase | 12,830 | $314.9629 | $4.0m | Form 4 |
| 2014-07-15 | Sanofi10% owner | Purchase | 24,749 | $314.1123 | $7.8m | Form 4 |
| 2014-07-15 | Sanofi10% owner | Purchase | 27,048 | $313.064 | $8.5m | Form 4 |
| 2014-07-15 | Sanofi10% owner | Purchase | 9,669 | $312.2346 | $3.0m | Form 4 |
| 2014-07-15 | Sanofi10% owner | Purchase | 4,144 | $311.0431 | $1.3m | Form 4 |
| 2014-07-15 | Sanofi10% owner | Purchase | 1,865 | $310.1843 | $578.5k | Form 4 |
| 2014-07-14 | Sanofi10% owner | Purchase | 38,312 | $319.4291 | $12.2m | Form 4 |
| 2014-07-14 | Sanofi10% owner | Purchase | 59,810 | $318.6048 | $19.1m | Form 4 |
| 2014-07-14 | Sanofi10% owner | Purchase | 26,668 | $317.7297 | $8.5m | Form 4 |
| 2014-07-14 | Sanofi10% owner | Purchase | 9,715 | $316.3952 | $3.1m | Form 4 |
| 2014-07-14 | Sanofi10% owner | Purchase | 11,115 | $315.6549 | $3.5m | Form 4 |
| 2014-07-14 | Sanofi10% owner | Purchase | 4,380 | $314.5152 | $1.4m | Form 4 |
| 2014-07-11 | Sanofi10% owner | Purchase | 5,125 | $318.7221 | $1.6m | Form 4 |
| 2014-07-11 | Sanofi10% owner | Purchase | 23,378 | $318.1414 | $7.4m | Form 4 |
| 2014-07-11 | Sanofi10% owner | Purchase | 36,889 | $317.3301 | $11.7m | Form 4 |
| 2014-07-11 | Sanofi10% owner | Purchase | 2,245 | $314.9919 | $707.2k | Form 4 |
| 2014-07-11 | Sanofi10% owner | Purchase | 28,662 | $314.1881 | $9.0m | Form 4 |
| 2014-07-11 | Sanofi10% owner | Purchase | 42,201 | $313.5903 | $13.2m | Form 4 |
| 2014-07-11 | Sanofi10% owner | Purchase | 7,343 | $312.4319 | $2.3m | Form 4 |
| 2014-07-11 | Sanofi10% owner | Purchase | 4,157 | $311.3923 | $1.3m | Form 4 |
| 2014-07-10 | Sanofi10% owner | Purchase | 17,286 | $314.5763 | $5.4m | 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.