Welcome to our dedicated page for SERA PROGNOSTICS SEC filings (Ticker: SERA), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Sera Prognostics, Inc. filings document a public women's health diagnostics company focused on pregnancy biomarker information and the PreTRM® Test. Recent 8-K reports furnish quarterly and annual financial results, business highlights, investor presentations and Regulation FD disclosures tied to PRIME study publications and PreTRM clinical evidence.
Its proxy materials describe annual meeting matters, corporate governance, shareholder voting items, strategic priorities, capital allocation and commercial progress. The filing record also covers securities-law treatment of furnished press releases and exhibits related to results, clinical data and market-adoption updates.
SERA submitted a Form 144 notifying a proposed sale of Class A Common shares in connection with restricted stock unit vesting. The filing references a vesting date of 03/10/2026 and lists prior sales of 4,155 shares on 12/10/2025.
SERA reported a Form 144 disclosing proposed sales of Class A Common stock tied to RSU vesting and recent small dispositions by a reporting person. The filing lists a planned sale dated 03/10/2026 for shares associated with Restricted Stock Unit Vesting and shows prior sales of 873 shares on 12/10/2025 and 674 shares on 03/09/2026 by Austin Aerts.
Sera Prognostics Chief Data Officer Paul Kearney reported an open-market sale of 2,026 shares of Class A common stock at a weighted average price of $1.96 per share on March 9, 2026. According to the disclosure, these shares were sold solely to cover tax withholding obligations arising from the vesting of restricted stock units under a mandatory “sell to cover” arrangement, meaning the transaction was not discretionary. Following this tax-related sale, Kearney continues to hold 165,357 shares of Sera Prognostics common stock.
Sera Prognostics General Counsel Benjamin Jackson reported a sale of 3,119 shares of Class A Common Stock at a weighted average price of $1.96 per share. This reduced his direct holdings to 115,747 shares. The shares were sold to cover tax withholding obligations from vesting restricted stock units under a mandatory “sell to cover” arrangement, meaning the transaction was not discretionary. The block trade was executed at prices ranging from $1.87 to $2.03 per share.
SERA PROGNOSTICS, INC. Chief Information Officer Robert Gardner reported a mandated sale of 3,360 shares of Class A common stock at a weighted average price of $1.96 per share. The shares were sold solely to cover tax withholding obligations tied to vesting restricted stock units under a required “sell to cover” election, rather than as a discretionary trade. Following the transaction, he directly holds 77,428 shares.
Sera Prognostics Chief Scientific Officer John J. Boniface reported a mandated share sale to cover taxes on vesting RSUs. He sold 3,038 shares of Class A Common Stock at a weighted average price of $1.96 per share, in block trades between $1.87 and $2.03. The company required a “sell to cover” transaction for tax withholding, so this was not a discretionary trade. After the sale, he directly owned 147,359 shares.
SERA PROGNOSTICS, INC. Chief Financial Officer Austin Aerts reported a small, mandated sale of Class A common stock to cover taxes from vesting restricted stock units. He sold 674 shares in a block trade at a weighted average price of $1.96 per share, with individual trades ranging from $1.87 to $2.03. After this tax-related sell-to-cover transaction, Aerts directly holds 271,540 shares of the company’s stock, indicating the sale was minor relative to his overall position and not a discretionary open-market sale.
SERA submitted a Form 144 disclosing a proposed sale of Class A Common stock. The filing identifies the transaction type as Restricted Stock Unit Vesting and lists an effective date of 03/09/2026. The filing also records a prior sale by Paul Kearney on 12/10/2025.
SERA filed a Rule 144 notice for Class A Common shares tied to a Restricted Stock Unit vesting of 3,119 shares on 03/09/2026. The broker listed is Morgan Stanley Smith Barney LLC. The filing also records a prior reported sale by Benjamin Jackson of 892 shares on 12/10/2025.
SERA reports a Form 144 notice of proposed sale of Class A Common shares. The filing lists 03/09/2026 as the date securities to be sold (restricted stock units vesting) and records prior open-market dispositions of Class A Common on 12/10/2025, 12/30/2025, 01/27/2026, and 02/24/2026 with per-sale share counts of 616, 2000, 2000, and 2000, respectively.
The filing identifies Morgan Stanley Smith Barney LLC and lists Robert Harrison as a reporting address associated with prior sales. The notice indicates the shares to be sold arise from restricted stock unit vesting on 03/09/2026.