Artiva Biotherapeutics: COO Jennifer Bush sold 8,370 shares

What happened

• Jennifer Bush, COO (also CLO and compliance officer), sold 8,370 shares in an open-market transaction at $6.84 per share on Oct 5, 2026, for $57,227.
• The filing notes the sale was to satisfy tax withholding related to the vesting and release of restricted stock units.

Key details

• Transaction date and price: Oct 5, 2026 — sale of 8,370 shares at $6.84 per share.
• Shares owned after the transaction: not reported in the provided filing details.
• Footnote: the filing states the issuer has a "sell-to-cover" policy; the sales represent the number of shares required to be sold to cover tax withholding on vesting of restricted stock units and were automatic, not at the discretion of the reporting person (footnote F1).
• Filing date and timeliness: Form 4 filed Oct 6, 2026 for the Oct 5, 2026 transaction; the filing does not indicate a late filing.

Why it may matter

• The transaction was a sell-to-cover tied to RSU vesting (automatic sale to cover tax withholding), not described as a discretionary market sale, option exercise, or gift.
• This filing does not show why the insider traded or why the company acted.