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sellWeak cluster of 210b5-1 plan

Marion McCourt sold $2.0M of REGN

EVP Commercial at REGENERON PHARMACEUTICALS, INC.. 2,346 shares at an average of $853.56, traded Sep 2, 2026, filed Sep 3, 2026.

Warning score
33
Value
$2.0M
2,346 shares
Holdings after
12,003
-16% from before
From 52-week low
+54%
low $552.68, close $852.03
From 52-week high
0%
high $852.03, as of Sep 2, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $2.0M at market
    +25
  • Share of holdings sold
    Sold 16% of holdings
    +5
  • Cluster
    2 insiders selling within 14 days
    +8
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

REGNOct 9, 2026 · close 746.54
Since filing Sep 3, 2026: -11.5%SPY +0.9% · excess -12.4%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001663758-26-000002, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 2, 2026SOpen-market sale
Common Stock10b5-1
-1,215$850.00$1.0M13,13439 d ago
Sep 3, 2026SOpen-market sale
Common Stock10b5-1
-1,131$857.39$970k12,00339 d ago

Related signals

Other insiders at REGENERON PHARMACEUTICALS, INC. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
13Weak
REGNsell 210b5-1
REGENERON PHARMACEUTICALS, INC.
Kathryn Guarini
director
$340k
400 shares
-40%
15Weak
REGNsell10b5-1
REGENERON PHARMACEUTICALS, INC.
Bonnie L Bassler
director
$1.2M
1,500 shares
-47%
17Weak
REGNsell 210b5-1
REGENERON PHARMACEUTICALS, INC.
Bonnie L Bassler
director
$570k
760 shares
-33%
44Moderate
REGNsell 3
REGENERON PHARMACEUTICALS, INC.
Jason Pitofsky
VP Controller
$281k
431 shares
-9%
53Moderate
REGNsell 2
REGENERON PHARMACEUTICALS, INC.
Christine A Poon
director
$4.3M
6,500 shares
-73%
3Weak
REGNsell10b5-1
REGENERON PHARMACEUTICALS, INC.
Marion McCourt
EVP Commercial
$845k
1,000 shares
-7%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.