Aerts Austin 4

What Happened Austin Aerts, Chief Financial Officer of Sera Prognostics (SERA), sold 2,037 shares on June 11, 2026. The reported weighted-average price was $2.01 per share, for total proceeds of approximately $4,094. This was a sale (S) tied to tax withholding on vested restricted stock units (RSUs) and was not a discretionary open-market sale by the reporting person.

Key Details

• Transaction date: 2026-06-11; Form 4 filed: 2026-06-15 (appears timely — Form 4s are generally due within 2 business days).
• Shares sold: 2,037; weighted-average price reported: $2.01; total proceeds: ~$4,094.
• Price range for the block trade: $1.87 to $2.12 (footnote indicates multiple transactions within this range).
• Reason: Sell-to-cover to satisfy tax withholding on RSU vesting (footnote F1) — mandated by the issuer, not a discretionary sale.
• Reporting note: The filer can provide a breakdown of shares sold at each specific price on request (footnote F2).
• Shares owned after transaction: Not reported in this filing.

Context This was a routine, tax-related "sell-to-cover" disposition of shares tied to RSU vesting, which insiders commonly use to satisfy withholding obligations. Such transactions are administrative and do not, by themselves, indicate a change in the insider's view of the company.