Aerts Austin 4
4 · SERA PROGNOSTICS, INC. · Filed Jun 15, 2026
Research Summary
AI-generated summary of this filing
Sera Prognostics CFO Austin Aerts Sells 2,037 Shares
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.
Insider Transaction Report
- Sale
Class A Common Stock
[F1][F2]2026-06-11$2.01/sh−2,037$4,094→ 301,190 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 $2.12, 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.