REGN
REGENERON PHARMACEUTICALS, INC.
NASDAQ · Healthcare · Biotechnology · US
$814.64
+0.17%0
Insider buys (3m)
32
Insider sells (3m)
-$6.5M
Net value (3m)
+10.3%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Oct 15, 2026 | MURPHY ANDREW J · officer: Co-Chief Scientific Officer | Sale | 25 | $764 |
| Oct 15, 2026 | MURPHY ANDREW J · officer: Co-Chief Scientific Officer | Sale | 127 | $769 |
| Oct 15, 2026 | MURPHY ANDREW J · officer: Co-Chief Scientific Officer | Sale | 6 | $754 |
| Oct 15, 2026 | MURPHY ANDREW J · officer: Co-Chief Scientific Officer | Sale | 454 | $779 |
| Oct 15, 2026 | MURPHY ANDREW J · officer: Co-Chief Scientific Officer | Sale | 38 | $778 |
| Oct 15, 2026 | MURPHY ANDREW J · officer: Co-Chief Scientific Officer | Sale | 27 | $761 |
| Oct 15, 2026 | MURPHY ANDREW J · officer: Co-Chief Scientific Officer | Sale | 279 | $766 |
| Oct 15, 2026 | MURPHY ANDREW J · officer: Co-Chief Scientific Officer | Sale | 14 | $760 |
| Oct 15, 2026 | MURPHY ANDREW J · officer: Co-Chief Scientific Officer | Sale | 224 | $773 |
| Oct 15, 2026 | MURPHY ANDREW J · officer: Co-Chief Scientific Officer | Sale | 16 | $758 |
| Oct 15, 2026 | MURPHY ANDREW J · officer: Co-Chief Scientific Officer | Sale | 376 | $775 |
| Oct 15, 2026 | MURPHY ANDREW J · officer: Co-Chief Scientific Officer | Sale | 35 | $756 |
| Oct 15, 2026 | MURPHY ANDREW J · officer: Co-Chief Scientific Officer | Sale | 12 | $770 |
| Oct 15, 2026 | MURPHY ANDREW J · officer: Co-Chief Scientific Officer | Sale | 105 | $768 |
| Oct 15, 2026 | MURPHY ANDREW J · officer: Co-Chief Scientific Officer | Sale | 219 | $764 |
| Oct 15, 2026 | MURPHY ANDREW J · officer: Co-Chief Scientific Officer | Sale | 50 | $781 |
| Oct 15, 2026 | MURPHY ANDREW J · officer: Co-Chief Scientific Officer | Sale | 192 | $767 |
| Oct 15, 2026 | MURPHY ANDREW J · officer: Co-Chief Scientific Officer | F-InKind | 12,853 | $755 |
| Oct 15, 2026 | MURPHY ANDREW J · officer: Co-Chief Scientific Officer | Sale | 121 | $774 |
| Oct 15, 2026 | MURPHY ANDREW J · officer: Co-Chief Scientific Officer | Sale | 74 | $761 |
| Oct 15, 2026 | MURPHY ANDREW J · officer: Co-Chief Scientific Officer | Sale | 380 | $780 |
| Oct 15, 2026 | MURPHY ANDREW J · officer: Co-Chief Scientific Officer | Sale | 66 | $776 |
| Oct 15, 2026 | MURPHY ANDREW J · officer: Co-Chief Scientific Officer | Sale | 24 | $758 |
| Oct 15, 2026 | MURPHY ANDREW J · officer: Co-Chief Scientific Officer | Sale | 211 | $773 |
| Oct 15, 2026 | MURPHY ANDREW J · officer: Co-Chief Scientific Officer | Sale | 55 | $763 |
| Oct 15, 2026 | MURPHY ANDREW J · officer: Co-Chief Scientific Officer | Sale | 271 | $765 |
| Oct 15, 2026 | MURPHY ANDREW J · officer: Co-Chief Scientific Officer | Sale | 283 | $772 |
| Oct 15, 2026 | MURPHY ANDREW J · officer: Co-Chief Scientific Officer | M-Exempt | 17,000 | $382 |
| Oct 15, 2026 | MURPHY ANDREW J · officer: Co-Chief Scientific Officer | Sale | 463 | $781 |
| Sep 3, 2026 | McCourt Marion · officer: EVP Commercial | Sale | 1,215 | $850 |
Institutional positioning
13F filings over the trailing two quarters
New 305Increased 1042Reduced 1052Sold out 147
| Filer | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 9,113,506 | Aug 7, 2026 |
| BLACKROCK, INC. | Increased | 8,947,735 | May 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 6,654,913 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Reduced | 6,629,759 | Aug 13, 2026 |
| DODGE & COX | Increased | 4,871,137 | Aug 13, 2026 |
| STATE STREET CORP | Increased | 4,834,688 | Sep 22, 2026 |
| STATE STREET CORP | Increased | 4,664,478 | May 15, 2026 |
| DODGE & COX | Reduced | 4,458,238 | May 14, 2026 |
| JPMORGAN CHASE & CO | Increased | 4,311,806 | May 13, 2026 |
| Invesco Ltd. | Increased | 3,940,665 | Aug 14, 2026 |
| JPMORGAN CHASE & CO | Reduced | 3,774,199 | Aug 12, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 3,175,313 | Aug 13, 2026 |
| FRANKLIN RESOURCES INC | Increased | 2,771,839 | Aug 13, 2026 |
| FRANKLIN RESOURCES INC | Increased | 2,722,071 | May 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 2,625,810 | Aug 12, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Oct 15, 2026