REGENERON PHARMACEUTICALS, INC. (REGN) — Insider Trading
Insider trading activity for REGENERON PHARMACEUTICALS, INC. sourced from SEC EDGAR Form 4 filings.
Overview
- Total insider trades: 34
- Last trade date: Sep 3, 2026
- Ticker: REGN
Top Insiders
- LAROSA JOSEPH J (EVP General Counsel and Secret) — 3 trades, buy: $4.7M, sell: $0
- Fenimore Christopher R. (EVP Finance CFO) — 2 trades, buy: $0, sell: $0
- McCourt Marion (EVP Commercial) — 2 trades, buy: $0, sell: $2.0M
- McCourt Marion (Officer) — 2 trades, buy: $0, sell: $2.0M
- Guarini Kathryn (Director) — 3 trades, buy: $288K, sell: $680K
Recent Trades
| Date | Insider | Ticker / Company |
Type | Shares | Value |
| Sep 3, 2026 |
McCourt Marion |
RREGN REGENERON PHARMACEUTICALS, INC. |
SELL |
1,131 |
$970K |
| Sep 3, 2026 |
McCourt Marion |
RREGN REGENERON PHARMACEUTICALS, INC. |
SELL |
1,131 |
$969K |
| Sep 2, 2026 |
Guarini Kathryn |
RREGN REGENERON PHARMACEUTICALS, INC. |
SELL |
400 |
$340K |
| Sep 2, 2026 |
Guarini Kathryn |
RREGN REGENERON PHARMACEUTICALS, INC. |
BUY |
400 |
$288K |
| Sep 2, 2026 |
McCourt Marion |
RREGN REGENERON PHARMACEUTICALS, INC. |
SELL |
1,215 |
$1.0M |
| Sep 2, 2026 |
Guarini Kathryn |
RREGN REGENERON PHARMACEUTICALS, INC. |
SELL |
400 |
$340K |
| Sep 2, 2026 |
McCourt Marion |
RREGN REGENERON PHARMACEUTICALS, INC. |
SELL |
1,215 |
$1.0M |
| Aug 19, 2026 |
LAROSA JOSEPH J |
REGN REGENERON PHARMACEUTICALS, INC. |
OTHER |
12,282 |
N/A |
| Aug 19, 2026 |
LAROSA JOSEPH J |
REGN REGENERON PHARMACEUTICALS, INC. |
OTHER |
12,282 |
$4.7M |
| Aug 18, 2026 |
Fenimore Christopher R. |
REGN REGENERON PHARMACEUTICALS, INC. |
OTHER |
6,283 |
N/A |
| Aug 18, 2026 |
Fenimore Christopher R. |
REGN REGENERON PHARMACEUTICALS, INC. |
OTHER |
6,283 |
$2.4M |
| Aug 19, 2026 |
LAROSA JOSEPH J |
RREGN REGENERON PHARMACEUTICALS, INC. |
BUY |
12,282 |
$4.7M |
| Jul 2, 2026 |
RYAN ARTHUR F |
REGN REGENERON PHARMACEUTICALS, INC. |
SELL |
200 |
$130K |
| May 1, 2026 |
RYAN ARTHUR F |
REGN REGENERON PHARMACEUTICALS, INC. |
SELL |
2 |
$1K |
| May 1, 2026 |
RYAN ARTHUR F |
REGN REGENERON PHARMACEUTICALS, INC. |
SELL |
1 |
$712 |
| May 1, 2026 |
RYAN ARTHUR F |
REGN REGENERON PHARMACEUTICALS, INC. |
SELL |
5 |
$4K |
| May 1, 2026 |
RYAN ARTHUR F |
REGN REGENERON PHARMACEUTICALS, INC. |
SELL |
2 |
$1K |
| May 1, 2026 |
RYAN ARTHUR F |
REGN REGENERON PHARMACEUTICALS, INC. |
SELL |
6 |
$4K |
| May 1, 2026 |
RYAN ARTHUR F |
REGN REGENERON PHARMACEUTICALS, INC. |
SELL |
4 |
$3K |
| May 1, 2026 |
RYAN ARTHUR F |
REGN REGENERON PHARMACEUTICALS, INC. |
SELL |
7 |
$5K |
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