REGN Regeneron Pharmaceuticals, Inc.
Regeneron Pharmaceuticals, Inc. (REGN) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
How much of that selling was preplanned? 65% planned / 35% discretionary
Largest single sale: $1.8M.
Where they traded
No open-market insider purchase on record.
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| McCourt Marion | EVP Commercial | Sell 10b5-1 | 1,131 | $857.39 | $969.7K | 12,003 −8.6% of holding | |
| McCourt Marion | EVP Commercial | Sell 10b5-1 | 1,215 | $850.00 | $1.0M | 13,134 −8.5% of holding | |
| Guarini Kathryn | Director | Sell 10b5-1 | 400 | $850.00 | $340.0K | 603 −39.9% of holding | |
| Zoghbi Huda Y | Director | Sell 10b5-1 | 800 | $800.00 | $640.0K | 1,703 −32% of holding | |
| Guarini Kathryn | Director | Sell 10b5-1 | 400 | $800.00 | $320.0K | 603 −39.9% of holding | |
| RYAN ARTHUR F | Director | Sell 10b5-1 | 200 | $650.15 | $130.0K | 17,303 −1.1% of holding | |
| RYAN ARTHUR F 12 fills | Director | Sell 10b5-1 | 100 | $705.24 | $70.5K | 17,598 −0.6% of holding | |
| RYAN ARTHUR F 9 fills | Director | Sell 10b5-1 | 100 | $777.27 | $77.7K | 17,702 −0.6% of holding | |
| RYAN ARTHUR F 13 fills | Director | Sell 10b5-1 | 100 | $785.50 | $78.5K | 17,796 −0.6% of holding | |
| Zoghbi Huda Y 11 fills | Director | Sell 10b5-1 | 1,638 | $781.33 | $1.3M | 3,292 −33.2% of holding | |
| Pitofsky Jason 11 fills | SVP Controller | Sell 10b5-1 | 2,036 | $778.52 | $1.6M | 6,288 −24.5% of holding | |
| RYAN ARTHUR F 13 fills | Director | Sell 10b5-1 | 100 | $778.53 | $77.9K | 17,902 −0.6% of holding | |
| Bassler Bonnie L | Director | Sell 10b5-1 | 1,500 | $800.00 | $1.2M | 1,703 −46.8% of holding | |
| Bassler Bonnie L | Director | Sell 10b5-1 | 760 | $750.00 | $570.0K | 1,548 −32.9% of holding | |
| Pitofsky Jason | VP Controller | Sell | 431 | $651.43 | $280.8K | 4,233 −9.2% of holding | |
| POON CHRISTINE A 6 fills | Director | Sell | 6,500 | $654.27 | $4.3M | 8,202 −44.2% of holding |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.