Aerts Austin 4
4 · SERA PROGNOSTICS, INC. · Filed Mar 10, 2026
Research Summary
AI-generated summary of this filing
SERA PROGNOSTICS (SERA) CFO Austin Aerts Sells 674 Shares
What Happened
Austin Aerts, Chief Financial Officer of SERA Prognostics, sold 674 shares on 2026-03-09 in an open-market/block trade. The weighted-average sale price reported was $1.96 per share, for proceeds of approximately $1,321. This sale was made to satisfy tax withholding related to the vesting of restricted stock units (RSUs), not as a discretionary cash-raising trade.
Key Details
- Transaction date: 2026-03-09; reported on Form 4 filed 2026-03-10 (timely filing).
- Transaction type/code: Sale (S).
- Shares sold: 674; weighted-average price: $1.96; total proceeds reported: $1,321.
- Price range: part of a block trade at prices from $1.87 to $2.03 (inclusive). Per the filing, full breakdown by price is available on request.
- Footnote F1: Sale was a required "sell to cover" to satisfy tax withholding on vested RSUs — not a discretionary sale by the insider.
- Shares owned after transaction: not disclosed in the provided filing.
Context
Sell-to-cover transactions to satisfy tax obligations from vested RSUs are routine and do not necessarily indicate a change in the insider's view of the company. The filing notes the sale was mandated by the issuer’s tax-withholding election and the price information for the block trade can be provided to the SEC, issuer, or security holders upon request.
Insider Transaction Report
- Sale
Class A Common Stock
[F1][F2]2026-03-09$1.96/sh−674$1,321→ 271,540 total
Footnotes (2)
- [F1]Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be funded by "sell to cover" transactions and does not represent a discretionary transaction by the Reporting Person.
- [F2]The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $1.87 to $2.03, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price with regard to the block trade.