Aerts Austin 4
4 · SERA PROGNOSTICS, INC. · Filed Jun 10, 2026
Research Summary
AI-generated summary of this filing
Sera Prognostics CFO Austin Aerts Sells 5,440 Shares
What Happened
Austin Aerts, Chief Financial Officer of Sera Prognostics (SERA), sold 5,440 shares on 2026-06-09. The weighted-average price reported was $2.08, producing gross proceeds of about $11,315. The filing notes this sale was a "sell-to-cover" transaction to satisfy tax withholding on vested restricted stock units (RSUs), not a discretionary cash-out sale.
Key Details
- Transaction date: 2026-06-09; Form 4 filed 2026-06-10 (appears timely).
- Type: Sale (S) — sell-to-cover to satisfy RSU tax withholding (footnote F1).
- Shares sold: 5,440; weighted average price: $2.08; total proceeds ≈ $11,315.
- Price range for the block trade: $1.96 to $2.21 (footnote F2). The weighted average reflects multiple executions; the filer can provide the split by price on request.
- Shares owned after transaction: not disclosed in this filing.
- Footnotes: F1 = sale mandated to cover tax withholding on RSU vesting; F2 = weighted average price from block trade across multiple prices.
Context
Sell-to-cover transactions are a common administrative step when RSUs vest and do not generally signal a change in an insider’s view of the company. This transaction appears to be solely for tax withholding purposes rather than a voluntary sale for investment reasons.
Insider Transaction Report
- Sale
Class A Common Stock
[F1][F2]2026-06-09$2.08/sh−5,440$11,315→ 303,227 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 $1.96 to $2.21, 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.