ANNX SEC Form 4 filings
Annexon, Inc. Latest Insider Trading Activity
Our insider trading activity tracker for Annexon, Inc. shows 12 total open-market insider transactions for ANNX over the past 412 days. The most recent displayed transaction was on May 28, 2026, when Satter Muneer A (Annexon, Inc. Director) reported a purchase of 613,497 shares at $5.41 per share. This page shows up to the 10 most recent SEC Form 4 filing records on a 6-hour delay. Sign up for real-time updates and access to 20 years of historic insider trading data.
Insider Trading For ANNX Charted on Daily Candles. Scroll left or zoom out to load earlier candles (up to 2 years).
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| Ticker | Filing Date | Transaction Date | Company | Insider | Title | Transaction | Trade Count | Shares | Avg. Price | Total Value | Position Size Change | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. ANNX | 2026-05-29 | 2026-05-28 | Annexon, Inc. | Satter Muneer A | Director | Buy | 1 | 613,497 | $5.41 | $3,319,018.77 | 5.93% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction ANNX | 2026-04-14 | 2026-04-10 | Annexon, Inc. | Carson William H. | Director | Buy | 1 | 8,000 | $6.20 | $49,600.00 | 11.36% | View Filing |
| Tax liability coverage transfers: shares are often sold to offset the tax liability from shares vesting ANNX | 2026-03-04 | 2026-03-02 | Annexon, Inc. | Artis Dean Richard | EVP & CHIEF SCIENTIFIC OFFICER | Sell | 1 | 5,894 | $5.43 | $32,004.42 | 3.17% | View Filing |
| Tax liability coverage transfers: shares are often sold to offset the tax liability from shares vesting ANNX | 2026-03-04 | 2026-03-02 | Annexon, Inc. | Dananberg Jamie | CHIEF MEDICAL OFFICER | Sell | 1 | 5,820 | $5.43 | $31,602.60 | 4.50% | View Filing |
| Tax liability coverage transfers: shares are often sold to offset the tax liability from shares vesting ANNX | 2026-02-20 | 2026-02-18 | Annexon, Inc. | Overdorf Michael | EVP & CHIEF BUSINESS OFFICER | Sell | 1 | 6,225 | $5.10 | $31,747.50 | 4.76% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction ANNX | 2026-01-02 | 2025-12-30 | Annexon, Inc. | Carson William H. | Director | Buy | 1 | 4,115 | $5.02 | $20,657.30 | 7.56% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction ANNX | 2025-12-03 | 2025-12-01 | Annexon, Inc. | Carson William H. | Director | Buy | 1 | 4,115 | $4.47 | $18,394.05 | 8.18% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. ANNX | 2025-11-19 | 2025-11-19 | Annexon, Inc. | Satter Muneer A | Director | Buy | 3 | 1,500,000 | $3.37 | $5,055,000.00 | 5.95% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction ANNX | 2025-09-04 | 2025-09-02 | Annexon, Inc. | Carson William H. | Director | Buy | 1 | 4,115 | $2.09 | $8,600.35 | 10.84% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction ANNX | 2025-08-01 | 2025-07-30 | Annexon, Inc. | Carson William H. | Director | Buy | 1 | 4,115 | $2.43 | $9,999.45 | 12.16% | View Filing |
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