SERA PROGNOSTICS, INC. Insider Trading Activity
Every SEC Form 4 insider transaction reported for SERA PROGNOSTICS, INC. (SERA), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are SERA insiders buying or selling?
In the last 12 months, SERA PROGNOSTICS, INC. insiders reported 0 open-market purchases ($0) and 50 sales ($649.2K) — net selling of $649.2K. Since March 2022, Trabud has recorded 182 Form 4 filings for SERA: 1 buys ($9.6K) and 181 sells ($6.3M).
Source: SEC EDGAR Form 4
Key Statistics (March 2022 – Sep 11, 2026)
Total Form 4 filings
182
SEC EDGAR
Insider filers
11
Insider buys (1)
$9.6K
Insider sells (181)
$6.3M
Insider sentiment
Net sellingNet insider flow of $6.2M in net selling since March 2022, and $649.2K in net selling over the last 12 months.
Recent SERA insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Sep 11, 2026 | Dyaarl Lee Anderson Jr. | Chief Commercial Officer | Sale | 1.8K | $2.00 | $3.6K | SEC ↗ |
| Sep 11, 2026 | Zhenya Lindgardt | Chief Executive Officer | Sale | 7.0K | $2.00 | $14.0K | SEC ↗ |
| Sep 11, 2026 | Tiffany Eul Davis Inglis | Chief Medical Officer | Sale | 486 | $2.00 | $972 | SEC ↗ |
| Sep 11, 2026 | Benjamin Jackson | General Counsel | Sale | 2.2K | $2.00 | $4.4K | SEC ↗ |
| Sep 9, 2026 | Zhenya Lindgardt | Chief Executive Officer | Sale | 20.1K | $2.00 | $40.3K | SEC ↗ |
| Jun 15, 2026 | Dyaarl Lee Anderson Jr. | Chief Commercial Officer | Sale | 4.7K | $2.01 | $9.5K | SEC ↗ |
| Jun 15, 2026 | Austin Aerts | Chief Financial Officer | Sale | 2.0K | $2.01 | $4.1K | SEC ↗ |
| Jun 15, 2026 | Zhenya Lindgardt | Chief Executive Officer | Sale | 7.0K | $2.01 | $14.0K | SEC ↗ |
| Jun 15, 2026 | Tiffany Eul Davis Inglis | Chief Medical Officer | Sale | 362 | $2.01 | $727.62 | SEC ↗ |
| Jun 15, 2026 | Benjamin Jackson | General Counsel | Sale | 2.2K | $2.01 | $4.4K | SEC ↗ |
| Jun 10, 2026 | Zhenya Lindgardt | Chief Executive Officer | Sale | 20.8K | $2.08 | $43.2K | SEC ↗ |
| Jun 10, 2026 | Austin Aerts | Chief Financial Officer | Sale | 5.4K | $2.08 | $11.3K | SEC ↗ |
| Jun 9, 2026 | Sandra AJ Lawrence | Director | Sale | 1.6K | $2.15 | $3.4K | SEC ↗ |
| Mar 13, 2026 | Zhenya Lindgardt | Chief Executive Officer | Sale | 25.6K | $1.92 | $49.1K | SEC ↗ |
| Mar 13, 2026 | Paul Kearney | Chief Data Officer | Sale | 1.4K | $2.04 | $2.8K | SEC ↗ |
| Mar 13, 2026 | Benjamin Jackson | General Counsel | Sale | 1.0K | $2.04 | $2.1K | SEC ↗ |
| Mar 13, 2026 | Robert Gardner Harrison | Chief Information Officer | Sale | 716 | $2.04 | $1.5K | SEC ↗ |
| Mar 13, 2026 | John J. Boniface | Chief Scientific Officer | Sale | 1.5K | $2.04 | $3.1K | SEC ↗ |
| Mar 13, 2026 | Austin Aerts | Chief Financial Officer | Sale | 7.1K | $1.92 | $13.6K | SEC ↗ |
| Mar 10, 2026 | Paul Kearney | Chief Data Officer | Sale | 2.0K | $1.96 | $4.0K | SEC ↗ |
| Mar 10, 2026 | Benjamin Jackson | General Counsel | Sale | 3.1K | $1.96 | $6.1K | SEC ↗ |
| Mar 10, 2026 | Robert Gardner Harrison | Chief Information Officer | Sale | 3.4K | $1.96 | $6.6K | SEC ↗ |
| Mar 10, 2026 | John J. Boniface | Chief Scientific Officer | Sale | 3.0K | $1.96 | $6.0K | SEC ↗ |
| Mar 10, 2026 | Austin Aerts | Chief Financial Officer | Sale | 674 | $1.96 | $1.3K | SEC ↗ |
| Mar 7, 2026 | Sandra AJ Lawrence | Director | Sale | 1.6K | $1.95 | $3.0K | SEC ↗ |
Showing the 25 most recent of 182 Form 4 filings for SERA PROGNOSTICS, INC..
Most active SERA insiders
- John J. Boniface39 filings
- Robert Gardner Harrison28 filings
- Austin Aerts25 filings
- Zhenya Lindgardt23 filings
- Paul Kearney21 filings
Ask anything about SERA insider activity
Use Trabud's AI agent to query SERA PROGNOSTICS, INC.'s Form 4 history in plain English — "Show me SERA CEO purchases this year" or compare it against any other ticker.
Open the AI agentSERA insider trading FAQ
Are SERA PROGNOSTICS, INC. insiders buying or selling?
In the last 12 months, SERA PROGNOSTICS, INC. insiders reported 0 open-market purchases ($0) and 50 sales ($649.2K) — net selling of $649.2K. Since March 2022, Trabud has recorded 182 Form 4 filings for SERA: 1 buys ($9.6K) and 181 sells ($6.3M). Over the full record that is net selling of $6.2M.
How many insiders trade SERA stock?
11 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for SERA PROGNOSTICS, INC.. The most recent filing was accepted on Sep 11, 2026.
Where does Trabud get SERA insider trading data?
All SERA insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.