Muneer A Satter bought $3.6M of ANNX
director at Annexon, Inc.. 822,613 shares at an average of $4.38, traded Nov 20, 2025, filed Nov 21, 2025.
Score components
- +15RoleDirector
- +25Trade size$3.6M at market
- +3Relative to holdingsHoldings up 9%
- +4Price context22% below the 52-week high
- +15Cluster3 insiders buying within 14 days
- +5Repeat buying2 buys in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
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 +21.1%, 3m +14.8%, 6m +24.4%.
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 0001315797-25-000007, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Nov 20, 2025 | POpen-market purchase Common Stockindirect: See footnote | +400,000 | $4.48 | $1.8M | 9,306,024 | Nov 21, 2025 |
| Nov 21, 2025 | POpen-market purchase Common Stockindirect: See footnote | +422,613 | $4.28 | $1.8M | 9,728,637 | Nov 21, 2025 |
Related signals
Other insiders at Annexon, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 46Moderate | ANNXbuy Annexon, Inc. | Douglas Love PRESIDENT AND CEO | $100k 26,065 shares | +7% | |
| 47Moderate | ANNXbuy Annexon, Inc. | Muneer A Satter director | $3.3M 613,497 shares | +6% | |
| 18Weak | Annexon, Inc. | William H. Carson director | $46k 8,000 shares | +11% | |
| 19Weak | Annexon, Inc. | William H. Carson director | $50k 8,000 shares | +13% | |
| 14Weak | Annexon, Inc. | William H. Carson director | $45k 8,000 shares | +15% | |
| 35Weak | Annexon, Inc. | Dean Richard Artis EVP & CHIEF SCIENTIFIC OFFICER | $32k 5,894 shares | -3% | |
| 42Moderate | Annexon, Inc. | Jennifer Lew EVP & CHIEF FINANCIAL OFFICER | $30k 5,565 shares | -3% | |
| 35Weak | Annexon, Inc. | Jamie Dananberg CHIEF MEDICAL OFFICER | $32k 5,820 shares | -4% | |
| 30Weak | Annexon, Inc. | Michael Overdorf EVP & CHIEF BUSINESS OFFICER | $24k 4,339 shares | -2% | |
| 35Weak | Annexon, Inc. | Ted Yednock EVP & CHIEF INNOVATION OFFICER | $30k 5,566 shares | -3% |
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.