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 |
|---|---|---|---|---|---|---|
| McCourt Marion | EVP Commercial | SELL | $500K+ | 1K | $669.51 | Jun 3, 2022 |
| MURPHY ANDREW J | EVP Research | EXERCISE | $1M+ | 10K | $179.13 | May 18, 2022 |
| MURPHY ANDREW J | EVP Research | SELL | $1M+ | 4K | $663.68 | May 18, 2022 |
| RYAN ARTHUR F | Director | SELL | $50K–$100K | 100 | $650.78 | May 3, 2022 |
| McCourt Marion | EVP Commercial | EXERCISE | $100K–$500K | 1K | $342.93 | May 3, 2022 |
| McCourt Marion | EVP Commercial | SELL | $500K+ | 1K | $656.97 | May 3, 2022 |
| Landry Robert E | EVP Finance CFO | EXERCISE | $1M+ | 10K | $388.46 | Apr 11, 2022 |
| Landry Robert E | EVP Finance CFO | SELL | $1M+ | 2K | $734.61 | Apr 11, 2022 |
| LAROSA JOSEPH J | EVP General Counse… | SELL | $1M+ | 5K | $721.10 | Apr 11, 2022 |
| Bassler Bonnie L | Director | SELL | $500K+ | 1K | $725.00 | Apr 11, 2022 |
| Bassler Bonnie L | Director | EXERCISE | $100K–$500K | 1K | $380.95 | Apr 11, 2022 |
| SCHLEIFER LEONARD S | President & CEO | SELL | $1M+ | 7K | $710.05 | Apr 7, 2022 |
| McCourt Marion | EVP Commercial | EXERCISE | $100K–$500K | 1K | $342.93 | Apr 4, 2022 |
| McCourt Marion | EVP Commercial | SELL | $500K+ | 1K | $701.82 | Apr 4, 2022 |
| LAROSA JOSEPH J | EVP General Counse… | SELL | $1M+ | 5K | $690.73 | Apr 4, 2022 |
| SCHLEIFER LEONARD S | President & CEO | SELL | $1M+ | 3K | $710.01 | Apr 4, 2022 |
| RYAN ARTHUR F | Director | SELL | $50K–$100K | 100 | $692.81 | Apr 4, 2022 |
| GOLDSTEIN JOSEPH L | Director | EXERCISE | $500K+ | 2K | $374.12 | Apr 1, 2022 |
| GOLDSTEIN JOSEPH L | Director | SELL | $1M+ | 2K | $700.00 | Apr 1, 2022 |
| VAGELOS P ROY | Director | SELL | $1M+ | 29K | $700.01 | Apr 1, 2022 |
| Bassler Bonnie L | Director | SELL | $500K+ | 1K | $700.00 | Apr 1, 2022 |
| Bassler Bonnie L | Director | EXERCISE | $100K–$500K | 1K | $380.95 | Apr 1, 2022 |
| Landry Robert E | EVP Finance CFO | SELL | $100K–$500K | 316 | $695.81 | Apr 1, 2022 |
| Landry Robert E | EVP Finance CFO | EXERCISE | $500K+ | 2K | $399.66 | Apr 1, 2022 |
| BROWN MICHAEL S | Director | SELL | $1M+ | 2K | $699.00 | Mar 31, 2022 |
| BROWN MICHAEL S | Director | EXERCISE | $500K+ | 2K | $374.12 | Mar 31, 2022 |
| Landry Robert E | EVP Finance CFO | EXERCISE | $1M+ | 15K | $426.56 | Mar 30, 2022 |
| Landry Robert E | EVP Finance CFO | SELL | $1M+ | 3K | $687.90 | Mar 30, 2022 |
| Landry Robert E | EVP Finance CFO | EXERCISE | $100K–$500K | 400 | $381.92 | Mar 23, 2022 |
| Landry Robert E | EVP Finance CFO | SELL | $100K–$500K | 300 | $693.00 | Mar 23, 2022 |
| Tessier-Lavigne Marc | Director | EXERCISE | $1M+ | 7K | $380.95 | Mar 23, 2022 |
| Tessier-Lavigne Marc | Director | SELL | $1M+ | 7K | $690.00 | Mar 23, 2022 |
| Zoghbi Huda Y | Director | EXERCISE | $500K+ | 2K | $391.92 | Mar 18, 2022 |
| Zoghbi Huda Y | Director | SELL | $1M+ | 2K | $675.00 | Mar 18, 2022 |
| Landry Robert E | EVP Finance CFO | EXERCISE | $100K–$500K | 365 | $381.92 | Mar 18, 2022 |
| Landry Robert E | EVP Finance CFO | SELL | $100K–$500K | 383 | $678.95 | Mar 18, 2022 |
| Tessier-Lavigne Marc | Director | EXERCISE | $1M+ | 12K | $375.77 | Mar 18, 2022 |
| Tessier-Lavigne Marc | Director | SELL | $1M+ | 12K | $678.21 | Mar 18, 2022 |
| RYAN ARTHUR F | Director | SELL | $50K–$100K | 100 | $618.37 | Mar 3, 2022 |
| McCourt Marion | EVP Commercial | SELL | $500K+ | 1K | $615.39 | Mar 3, 2022 |
| McCourt Marion | EVP Commercial | EXERCISE | $100K–$500K | 1K | $342.93 | Mar 3, 2022 |
| SING GEORGE L | Director | SELL | $1M+ | 4K | $618.25 | Mar 1, 2022 |
| Van Plew Daniel P | EVP & General Mgr | SELL | $1M+ | 7K | $613.99 | Feb 24, 2022 |
| Van Plew Daniel P | EVP & General Mgr | EXERCISE | $1M+ | 40K | $399.66 | Feb 24, 2022 |
| BROWN MICHAEL S | Director | SELL | $100K–$500K | 500 | $608.68 | Feb 24, 2022 |
| MURPHY ANDREW J | EVP Research | SELL | $1M+ | 4K | $629.34 | Feb 16, 2022 |
| MURPHY ANDREW J | EVP Research | EXERCISE | $1M+ | 10K | $179.13 | Feb 16, 2022 |
| RYAN ARTHUR F | Director | SELL | $50K–$100K | 100 | $607.14 | Feb 2, 2022 |
| McCourt Marion | EVP Commercial | SELL | $500K+ | 1K | $607.46 | Feb 2, 2022 |
| McCourt Marion | EVP Commercial | EXERCISE | $100K–$500K | 1K | $342.93 | Feb 2, 2022 |
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