Metagenomi (MGX) CEO Jian Irish Sells 2,140 Shares

What Happened

• Jian Irish, President and Chief Executive Officer of Metagenomi (MGX), had 2,140 shares of common stock sold on 2026-09-08 at $1.16 per share, for total proceeds of $2,479. The sale was effected to satisfy tax withholding on restricted stock units and was not a volitional open-market trade by the reporting person.

Key Details

• Transaction date and price: 2026-09-08 — 2,140 shares sold at $1.16 each.
• Total proceeds: $2,479.
• Filing date: Form 4 filed 2026-09-10 (filed within the typical two-business-day reporting window).
• Shares owned after transaction: Not specified in the provided filing details.
• Notable footnotes:
  • F1: The shares were automatically sold to cover tax withholding on RSUs granted 4/1/2024 and 4/1/2025 (i.e., not a discretionary sale).
  • F2/F3: Some shares are held in irrevocable trusts (Bruce Irish 2023 Irrevocable Trust FBO Jian Irish and the Jian Irish 2023 Irrevocable Trust); the reporting person disclaims beneficial ownership except to the extent of her pecuniary interest.

Context

• This was a routine tax-withholding sale tied to RSU vesting rather than an intentional market-timing sale; such transactions are common and typically don’t signal a change in insider sentiment.
• Transaction coded as a sale (S) on the Form 4, with the footnote indicating the sale was for tax withholding (F).