Maze Therapeutics: president Harold Bernstein sold 16,141 shares

What happened

• Harold Bernstein, president, R&D and CMO, exercised options for 16,141 shares at $10.42 per share for $168,189 and sold 16,141 shares at a weighted average price of $26.93 per share for $434,743 on Oct 1, 2026. The filing also reports a derivative disposition of 16,141 shares at $0.00.

Key details

• Transaction date: Oct 1, 2026. Exercise price: $10.42 per share (acquired 16,141 shares for $168,189). Sale: weighted average $26.93 per share (disposed 16,141 shares for $434,743); sale prices ranged from $26.56 to $27.47 per share.
• Shares owned after the transaction: not stated in the provided filing excerpt.
• Footnotes: the sale was made pursuant to a Rule 10b5-1 trading plan adopted Sep 29, 2025; the reported sale price is a weighted average and the filer can provide the number of shares sold at each separate price; the option vested 1/4 on Oct 3, 2023 and thereafter 1/48 monthly, subject to continued service.
• Filing date: Oct 2, 2026 (Form 4 accession 0002050172-26-000038). No late filing is indicated in the provided information.

Why it may matter

• Options exercise: the filing shows the options were exercised and the resulting shares were sold on the same day (cashless exercise).
• 10b5-1 plan: the sale was effected under a Rule 10b5-1 trading plan adopted Sep 29, 2025.
• A filing does not show why the insider traded or why the company acted.