REGNREGENERON PHARMACEUTICALS, INC.
Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-09-03.
Insider buys (90d)
$0.00
Insider sells (90d)
$3.30M
Net flow
$-3.30M
Filings
6
Buy transactions
0
Sell transactions
5
Distinct insiders
5
Last close (cached)
$735.20
as of 2026-10-02
1d return
+0.1%
5d return
-6.7%
1m return
-13.7%
Top insiders trading REGN (90d)
Recent transactions (12)
| Filed | Txn date | Insider | Code | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-03 | 2026-09-02 | Guarini Kathryn Director | Sale | 400 | $850.00 | $340.0K | open → |
| 2026-09-03 | 2026-09-02 | Guarini Kathryn Director | Exer. | 400 | $719.37 | $287.7K | open → |
| 2026-09-03 | 2026-09-03 | McCourt Marion Officer | Sale | 1,131 | $857.39 | $969.7K | open → |
| 2026-09-03 | 2026-09-02 | McCourt Marion Officer | Sale | 1,215 | $850.00 | $1.03M | open → |
| 2026-08-21 | 2026-08-19 | LAROSA JOSEPH J Officer | Tax | 9,019 | $830.15 | $7.49M | open → |
| 2026-08-21 | 2026-08-19 | LAROSA JOSEPH J Officer | Exer. | 12,282 | $381.92 | $4.69M | open → |
| 2026-08-20 | 2026-08-18 | Fenimore Christopher R. Officer | Tax | 4,599 | $813.47 | $3.74M | open → |
| 2026-08-20 | 2026-08-18 | Fenimore Christopher R. Officer | Exer. | 6,283 | $381.92 | $2.40M | open → |
| 2026-08-12 | 2026-08-10 | Guarini Kathryn Director | Sale | 400 | $800.00 | $320.0K | open → |
| 2026-08-12 | 2026-08-10 | Guarini Kathryn Director | Exer. | 400 | $719.37 | $287.7K | open → |
| 2026-08-12 | 2026-08-10 | Zoghbi Huda Y Director | Sale | 800 | $800.00 | $640.0K | open → |
| 2026-08-12 | 2026-08-10 | Zoghbi Huda Y Director | Exer. | 800 | $376.69 | $301.4K | open → |
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