SERA insider trading — Sera Prognostics, Inc.
Over the last 90 days, insiders at Sera Prognostics, Inc. (SERA) made 0 open-market purchases worth $0 and 6 open-market sales worth $80K, making them net sellers by $80K. The largest sale was by Lindgardt Zhenya (Chief Executive Officer), who sold 20,139 shares for $40K on Sep 8, 2026.
Updated Oct 16, 2026.
Recent SERA insider transactions
Every Form 4 filed by Sera Prognostics, Inc. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Oct 12, 2026 | Inglis Tiffany Eul Davis | Chief Medical Officer | S · Sale | Direct | 8,024 | $2.03 | $16K | Form 4 |
| Sep 10, 2026 | Lindgardt Zhenya | Chief Executive Officer | S · Sale | Direct | 7,022 | $2.00 | $14K | Form 4 |
| Sep 10, 2026 | Jackson Benjamin | General Counsel | S · Sale | Direct | 2,190 | $2.00 | $4K | Form 4 |
| Sep 10, 2026 | Anderson Dyaarl Lee Jr. | Chief Commercial Officer | S · Sale | Direct | 1,800 | $2.00 | $4K | Form 4 |
| Sep 10, 2026 | Inglis Tiffany Eul Davis | Chief Medical Officer | S · Sale | Direct | 486 | $2.00 | $972 | Form 4 |
| Sep 8, 2026 | Lindgardt Zhenya | Chief Executive Officer | S · Sale | Direct | 20,139 | $2.00 | $40K | Form 4 |
| Aug 31, 2026 | Gleason Scott | Chief Financial Officer | A · Grant/award | Direct | 117,924 | — | — | Form 4 |
SERA insider trading FAQ
Are insiders buying SERA stock?
Not on the open market. In the last 90 days, Sera Prognostics, Inc. insiders made no open-market purchases, and 6 open-market sales totaling $80K. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading SERA?
Recent sellers: Anderson Dyaarl Lee Jr., Inglis Tiffany Eul Davis, Jackson Benjamin, Lindgardt Zhenya.
Where does SERA insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.