REGN Regeneron Pharmaceuticals, Inc.

NASDAQ
$793.74

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.

Insider signal In line Selling ran in line with REGN's own trailing one-year pace, with 65% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 4 sellers in the last 90 days
Insiders buying
0
0 transactions
Insiders selling
7
84 transactions
Purchases
$0
0 shares
Sales
$12.9M
17,411 shares
Net activity
-$12.9M
purchases less sales

How much of that selling was preplanned? 65% planned / 35% discretionary

10b5-1 plan sales $8.4M 77 transactions · 10,480 shares
Discretionary sales $4.5M 7 transactions · 6,931 shares

Largest single sale: $1.8M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

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.