Muneer A. Satter, Director at Annexon, Inc. (ANNX), bought 1,645,226 shares at $4.28 ($7.2M) on 2025-11-21, disclosed to the SEC on 2025-11-21.
Open-market purchase of $7.2M ANNX by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade C.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $4.48 | 400,000 | $1.8M | 24.9% |
| 2 | $4.48 | 400,000 | $1.8M | 24.9% |
| 3 | $4.28 | 422,613 | $1.8M | 25.1% |
| 4 | $4.28 | 422,613 | $1.8M | 25.1% |
| Total | $4.38 avg | 1,645,226 | $7.2M | 100% |
| Filing → |
| ANNX | BUY | 2023-12-28 | $1.0M | — | Filing → |
| ANNX | BUY | 2023-02-14 | $36.0M | — | Filing → |
| ANNX | BUY | 2022-07-11 | $18.8M | — | Filing → |