Updated Jul 16, 2026 · Last SEC filing 2026-06-15
Annexon, Inc. (ANNX) has filed 9 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-15. 2 Form 8-K material event filings were reported by ANNX in the last 90 days. 2 Form 144 notices of proposed sale were filed for ANNX stock. InsiderAlpha tracks every ANNX SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Pharmaceutical Preparations (SIC 2834) |
|---|---|
| SEC CIK | 0001528115 |
| Form 4 filings (90d) | 9 |
|---|---|
| Form 8-K filings (90d) | 2 |
| Form 144 notices (90d) | 2 |
| Latest Form 4 filing | 2026-06-15 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Yednock Ted | EVP & CHIEF INNOVATION OFFICER | M — Option exercise | 30.6K | $1.85 | $57K | SEC | |
| Satter Muneer A | Insider | P — Open-market purchase | 613.5K | $5.41 | $3.32M | SEC | |
| Carson William H. | Insider | P — Open-market purchase | 8.0K | $5.78 | $46K | SEC | |
| Carson William H. | Insider | P — Open-market purchase [10b5-1] | 8.0K | $6.20 | $50K | SEC | |
| Carson William H. | Insider | P — Open-market purchase [10b5-1] | 8.0K | $5.67 | $45K | SEC | |
| Dananberg Jamie | CHIEF MEDICAL OFFICER | S — Open-market sale | 5.8K | $5.43 | $32K | SEC | |
| Yednock Ted | EVP & CHIEF INNOVATION OFFICER | S — Open-market sale | 5.6K | $5.42 | $30K | SEC | |
| Lew Jennifer | EVP & CHIEF FINANCIAL OFFICER | S — Open-market sale | 5.6K | $5.42 | $30K | SEC | |
| Overdorf Michael | EVP & CHIEF BUSINESS OFFICER | S — Open-market sale | 4.3K | $5.42 | $24K | SEC | |
| ARTIS DEAN RICHARD | EVP & CHIEF SCIENTIFIC OFFICER | S — Open-market sale | 5.9K | $5.43 | $32K | SEC | |
| Dananberg Jamie | CHIEF MEDICAL OFFICER | A — Grant or award | 56.2K | $0.00 | — | SEC | |
| Lew Jennifer | EVP & CHIEF FINANCIAL OFFICER | A — Grant or award | 62.5K | $0.00 | — | SEC | |
| Yednock Ted | EVP & CHIEF INNOVATION OFFICER | A — Grant or award | 62.5K | $0.00 | — | SEC | |
| Overdorf Michael | EVP & CHIEF BUSINESS OFFICER | A — Grant or award | 62.5K | $0.00 | — | SEC | |
| ARTIS DEAN RICHARD | EVP & CHIEF SCIENTIFIC OFFICER | A — Grant or award | 62.5K | $0.00 | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Annexon, Inc. (ANNX). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Satter Muneer A | 2 | $3.32M |
| Yednock Ted | 2 | $57K |
| Carson William H. | 2 | $46K |
| JONES WILLIAM A JR | 1 | — |
| Cockroft Bettina M. | 1 | — |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in ANNX insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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