Annexon (ANNX) CMO Jamie Dananberg Sells 5,290 Shares

What Happened
Jamie Dananberg, Chief Medical Officer of Annexon, sold 5,290 shares in an open-market transaction on February 18, 2026. The weighted average sale price was $5.10 per share for a total proceeds of $26,979. This was a sale (transaction code S) and, per the filing, the disposition was made to satisfy tax withholding obligations tied to RSU vesting.

Key Details

• Transaction date: 2026-02-18; Form 4 filed on 2026-02-20 (reporting period: 2026-02-18).
• Price details: multiple trades priced between $4.93 and $5.16; reported price is the weighted average $5.10. (F2: issuer/filing party can provide per-trade breakdown on request.)
• Total shares sold: 5,290; total proceeds: $26,979.
• Reason given: sale to cover tax withholding related to vested restricted stock units (RSUs) (F1). This is a routine tax-withholding sale (transaction code F in footnote context).
• Shares owned after transaction: not specified in the provided filing excerpt.
• Filing timeliness: Form 4 was filed two days after the transaction date; the filing does not indicate a late designation in the provided excerpt.

Context
Sales to cover taxes on vested RSUs are common and generally viewed as administrative rather than a signal of a change in insider sentiment. Purchases by insiders often carry more weight for investors seeking a bullish signal; routine withholding sales are typically neutral informationally.