Bonnie L Bassler sold $570k of REGN
director at REGENERON PHARMACEUTICALS, INC.. 760 shares at an average of $750.00, traded Nov 20, 2025, filed Nov 24, 2025.
Score components
- +15RoleDirector
- +19Trade size$570k at market
- +10Share of holdings soldSold 33% of holdings
- +8Cluster2 insiders selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
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.
This signal so far: 1m +2.9%, 3m +3.5%, 6m -15.9%.
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.
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 0001683607-25-000006, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Nov 20, 2025 | MOption exercise Common Stock10b5-1 | +760 | $371.40 | $282k | 2,308 | Nov 24, 2025 |
| Nov 20, 2025 | SOpen-market sale Common Stock10b5-1 | -760 | $750.00 | $570k | 1,548 | Nov 24, 2025 |
| Nov 20, 2025 | MOption exercise Non-Qualified Stock Option (right to buy)derivative10b5-1 | -760 | $0.00 | $0 | 756 | Nov 24, 2025 |
Related signals
Other insiders at REGENERON PHARMACEUTICALS, INC. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 13Weak | REGENERON PHARMACEUTICALS, INC. | Kathryn Guarini director | $340k 400 shares | -40% | |
| 33Weak | REGENERON PHARMACEUTICALS, INC. | Marion McCourt EVP Commercial | $2.0M 2,346 shares | -16% | |
| 12Weak | REGENERON PHARMACEUTICALS, INC. | Kathryn Guarini director | $320k 400 shares | -40% | |
| 18Weak | REGENERON PHARMACEUTICALS, INC. | Huda Y Zoghbi director | $640k 800 shares | -32% | |
| 6Weak | REGENERON PHARMACEUTICALS, INC. | Arthur F Ryan director | $130k 200 shares | -1% | |
| 3Weak | REGENERON PHARMACEUTICALS, INC. | Arthur F Ryan director | $71k 100 shares | -1% | |
| 4Weak | REGENERON PHARMACEUTICALS, INC. | Arthur F Ryan director | $78k 100 shares | -1% | |
| 12Weak | REGENERON PHARMACEUTICALS, INC. | Arthur F Ryan director | $79k 100 shares | -1% | |
| 30Weak | REGENERON PHARMACEUTICALS, INC. | Huda Y Zoghbi director | $1.3M 1,638 shares | -49% | |
| 30Weak | REGENERON PHARMACEUTICALS, INC. | Jason Pitofsky SVP Controller | $1.6M 2,036 shares | -32% |
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.