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 Bearish Selling ran elevated versus REGN's own trailing one-year pace, with 100% 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
2
3 transactions
Purchases
$0
0 shares
Sales
$2.3M
2,746 shares
Net activity
-$2.3M
purchases less sales

How much of that selling was preplanned? 100% planned / 0% discretionary

10b5-1 plan sales $2.3M 3 transactions · 2,746 shares
Discretionary sales $0 0 transactions · 0 shares

Largest single sale: $1.0M.

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

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.