Kearney Paul 4

What Happened
Paul Kearney, Chief Data Officer of SERA Prognostics (SERA), sold 2,026 shares on 2026-03-09 at a weighted average price of $1.96, generating approximately $3,971 in proceeds. The sale was a sell-to-cover to satisfy tax withholding obligations tied to the vesting of restricted stock units (RSUs) and was mandated by the issuer, not a discretionary sale by the insider.

Key Details

• Transaction date: 2026-03-09. Filing date: 2026-03-10 (timely).
• Transaction type: Sale (sell-to-cover for tax withholding related to RSU vesting).
• Shares sold: 2,026; weighted average price reported: $1.96; total proceeds: ~$3,971.
• Price range for the block trade: $1.87 to $2.03 (footnote F2); the filer can provide per-price breakdown on request.
• Footnote F1 clarifies the sale was to cover taxes and was not discretionary.
• Shares owned after transaction: not specified in this Form 4.

Context
Sell-to-cover transactions are routine when RSUs vest and typically reflect tax mechanics rather than an insider selling for investment reasons. The size and value of this transaction are small relative to typical market-moving insider trades.