REGENERON PHARMACEUTICALS, INC.
Total Trades
254
Buys
0
Sells
157
Largest Trade
N/A
Insiders
20
Institutional Funds
1,228
Inst. Value
$1M+
Activist Filings
15
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| SING GEORGE L | Director | EXERCISE | $1M+ | 4K | $413.33 | Feb 26, 2024 |
| SING GEORGE L | Director | SELL | $1M+ | 4K | $967.86 | Feb 26, 2024 |
| Van Plew Daniel P | EVP & General Mgr | SELL | $1M+ | 10K | $942.28 | Feb 16, 2024 |
| SING GEORGE L | Director | EXERCISE | $100K–$500K | 1K | $413.33 | Feb 12, 2024 |
| SING GEORGE L | Director | SELL | $500K+ | 1K | $950.00 | Feb 12, 2024 |
| Fenimore Christopher R. | SVP Finance & CFO | SELL | $1M+ | 5K | $953.31 | Feb 12, 2024 |
| LAROSA JOSEPH J | EVP General Counse… | SELL | $500K+ | 1K | $950.00 | Feb 9, 2024 |
| STAHL NEIL | EVP Research and D… | SELL | $1M+ | 8K | $950.35 | Feb 8, 2024 |
| McCourt Marion | EVP Commercial | SELL | $500K+ | 1K | $934.71 | Feb 6, 2024 |
| RYAN ARTHUR F | Director | SELL | $50K–$100K | 100 | $954.22 | Feb 5, 2024 |
| McCourt Marion | EVP Commercial | SELL | $100K–$500K | 273 | $945.61 | Feb 2, 2024 |
| Bassler Bonnie L | Director | EXERCISE | $100K–$500K | 827 | $380.95 | Jan 31, 2024 |
| Bassler Bonnie L | Director | SELL | $500K+ | 827 | $959.00 | Jan 31, 2024 |
| GOLDSTEIN JOSEPH L | Director | EXERCISE | $1M+ | 3K | $625.60 | Jan 25, 2024 |
| GOLDSTEIN JOSEPH L | Director | SELL | $1M+ | 3K | $950.00 | Jan 25, 2024 |
| YANCOPOULOS GEORGE | Bd. Co-Chair | SELL | $1M+ | 17K | $900.00 | Jan 4, 2024 |
| McCourt Marion | EVP Commercial | SELL | $100K–$500K | 274 | $873.91 | Jan 4, 2024 |
| Bassler Bonnie L | Director | GRANT | N/A | 135 | — | Jan 4, 2024 |
| Bassler Bonnie L | Director | EXERCISE | $100K–$500K | 826 | $380.95 | Jan 4, 2024 |
| Bassler Bonnie L | Director | SELL | $500K+ | 826 | $914.00 | Jan 4, 2024 |
| Zoghbi Huda Y | Director | EXERCISE | $100K–$500K | 1K | $391.92 | Jan 4, 2024 |
| Zoghbi Huda Y | Director | GRANT | N/A | 135 | — | Jan 4, 2024 |
| Zoghbi Huda Y | Director | SELL | $1M+ | 1K | $900.00 | Jan 4, 2024 |
| RYAN ARTHUR F | Director | GRANT | N/A | 135 | — | Jan 4, 2024 |
| RYAN ARTHUR F | Director | SELL | $50K–$100K | 100 | $899.90 | Jan 4, 2024 |
| BROWN MICHAEL S | Director | EXERCISE | $500K+ | 2K | $482.68 | Dec 29, 2023 |
| BROWN MICHAEL S | Director | SELL | $1M+ | 2K | $898.00 | Dec 29, 2023 |
| Fenimore Christopher R. | SVP Controller | SELL | $1M+ | 2K | $856.71 | Dec 29, 2023 |
| Fenimore Christopher R. | SVP Controller | SELL | $1M+ | 2K | $844.30 | Dec 26, 2023 |
| RYAN ARTHUR F | Director | SELL | $50K–$100K | 100 | $817.30 | Dec 4, 2023 |
| MURPHY ANDREW J | EVP Research | EXERCISE | $1M+ | 20K | $270.43 | Nov 15, 2023 |
| MURPHY ANDREW J | EVP Research | SELL | $1M+ | 6K | $799.17 | Nov 15, 2023 |
| RYAN ARTHUR F | Director | SELL | $50K–$100K | 100 | $827.90 | Nov 8, 2023 |
| McCourt Marion | EVP Commercial | EXERCISE | $100K–$500K | 1K | $381.40 | Nov 2, 2023 |
| McCourt Marion | EVP Commercial | SELL | $500K+ | 1K | $783.91 | Nov 2, 2023 |
| Zoghbi Huda Y | Director | EXERCISE | $100K–$500K | 1K | $391.92 | Oct 17, 2023 |
| Zoghbi Huda Y | Director | SELL | $500K+ | 1K | $850.00 | Oct 17, 2023 |
| McCourt Marion | EVP Commercial | SELL | $500K+ | 1K | $827.00 | Oct 3, 2023 |
| McCourt Marion | EVP Commercial | EXERCISE | $100K–$500K | 1K | $372.46 | Oct 3, 2023 |
| McCourt Marion | EVP Commercial | SELL | $100K–$500K | 250 | $834.55 | Sep 6, 2023 |
| Landry Robert E | EVP Finance CFO | SELL | $100K–$500K | 223 | $844.00 | Aug 25, 2023 |
| POON CHRISTINE A | Director | SELL | $1M+ | 12K | $839.97 | Aug 25, 2023 |
| POON CHRISTINE A | Director | EXERCISE | $1M+ | 12K | $273.67 | Aug 25, 2023 |
| Van Plew Daniel P | EVP & General Mgr | EXERCISE | $1M+ | 23K | $381.40 | Aug 25, 2023 |
| Van Plew Daniel P | EVP & General Mgr | SELL | $1M+ | 6K | $841.71 | Aug 25, 2023 |
| STAHL NEIL | EVP Research and D… | EXERCISE | $1M+ | 50K | $399.66 | Aug 23, 2023 |
| STAHL NEIL | EVP Research and D… | SELL | $1M+ | 12K | $840.98 | Aug 23, 2023 |
| Bassler Bonnie L | Director | SELL | $500K+ | 853 | $829.00 | Aug 23, 2023 |
| Bassler Bonnie L | Director | EXERCISE | $100K–$500K | 853 | $391.92 | Aug 23, 2023 |
| Bassler Bonnie L | Director | SELL | $500K+ | 853 | $789.00 | Aug 11, 2023 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 1,228 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| STATE STREET CORP | 4.7M | $1M+ | SH |
| DODGE & COX | 4.6M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 2.2M | $1M+ | SH |
| LOOMIS SAYLES & CO L P | 1.7M | $1M+ | SH |
| Capital World Investors | 1.4M | $1M+ | SH |
| NORGES BANK | 1.3M | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 778K | $1M+ | SH |
| AMERICAN CENTURY COMPANIES INC | 551K | $1M+ | SH |
| ALLIANCEBERNSTEIN L.P. | 478K | $1M+ | SH |
| ACADIAN ASSET MANAGEMENT LLC | 446K | $1M+ | SH |
| BNP PARIBAS FINANCIAL MARKETS | 441K | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 423K | $1M+ | SH |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 421K | $1M+ | SH |
| Neuberger Berman Group LLC | 417K | $1M+ | SH |
| Centiva Capital, LP | 407K | $1M+ | SH (Call) |
| Pacer Advisors, Inc. | 398K | $1M+ | SH |
| TD ASSET MANAGEMENT INC | 398K | $1M+ | SH |
| Pictet Asset Management Holding SA | 368K | $1M+ | SH |
| National Pension Service | 361K | $1M+ | SH |
| CAISSE DE DEPOT ET PLACEMENT DU QUEBEC | 342K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Aug 6, 2025
3.2%
3.4M shares
SC 13G/A · Jun 5, 2025
4.4%
4.7M shares
SC 13G/A · Apr 22, 2025
5.1%
5.5M shares
SC 13G/A · Feb 12, 2025
7.6%
8.2M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
8.3%
8.8M shares
Capital World Investors 95-1411037
SC 13G/A · Feb 9, 2024
4.8%
5.2M shares
SC 13G/A · Jan 25, 2024
8.1%
8.6M shares
JPMORGAN CHASE & CO. 13-2624428
SC 13G/A · Jan 25, 2024
6.7%
7.2M shares
JPMORGAN CHASE & CO. 13-2624428
SC 13G/A · Jan 25, 2024
6.7%
7.2M shares
Capital World Investors 95-1411037
SC 13G/A · Feb 13, 2023
5.9%
6.3M shares
SC 13G/A · Feb 3, 2023
8.6%
9.2M shares
JPMORGAN CHASE & CO. 13-2624428
SC 13G · Jan 11, 2023
5.6%
6.1M shares
SC 13G/A · Oct 11, 2022
10.1%
10.8M shares
Capital World Investors 95-1411037
SC 13G/A · Feb 11, 2022
5.1%
5.4M shares
SC 13G/A · Feb 1, 2022
9.1%
9.6M shares