Sera Prognostics, Inc.
SERACIK 0001534969 · Every Form 4 filed by insiders at this issuer. See financials →
Annual report (10-K)
Latest 10-K filed Mar 18, 2026. Sentiment + YoY language diff vs prior year. Read sections →
Signal:NeutralFull-doc fallback
Full filing:tone -0.0163Δ-0.000393% similar+380/-377 ¶
Sentiment via Loughran-McDonald lexicon · YoY diff via Jaccard similarity + paragraph set difference.
Recent 8-K announcements
Per-item disclosure feed. Item 2.02 is the earnings release.
Top insiders
Most active reporters at Sera Prognostics, Inc.
| Name | Roles | Filings |
|---|---|---|
| Boniface John J. | Officer | 42 |
| Harrison Robert Gardner | Officer | 32 |
| Kearney Paul | Officer | 27 |
| Aerts Austin | Officer | 25 |
| Jackson Benjamin | Officer | 24 |
Showing 1-5 of 21
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Top performers
Insiders ranked by realized 90-day signed return on their open-market trades at Sera Prognostics, Inc.. Minimum 3 scored trades. Returns are signed - a sale followed by a rally counts against the insider.
| # | Insider | Trades | Win rate | Avg | Median | Best | Worst |
|---|---|---|---|---|---|---|---|
| 1 | Phillips Joshua | 16 | 100% | +51.3% | +51.3% | +55.1% | +47.2% |
| 2 | Harrison Robert Gardner | 28 | 71% | +16.0% | +21.7% | +63.0% | -112.8% |
| 3 | Jackson Benjamin | 19 | 58% | +10.8% | +20.3% | +59.0% | -112.8% |
| 4 | Kearney Paul | 20 | 60% | +10.2% | +10.0% | +59.0% | -112.8% |
| 5 | Aerts Austin | 22 | 59% | +7.0% | +5.6% | +63.0% | -112.8% |
| 6 | Lawrence Sandra Aj | 4 | 75% | +6.2% | +1.6% | +36.7% | -15.1% |
| 7 | Mirza Mansoor Raza | 17 | 59% | +6.1% | +8.7% | +59.0% | -120.0% |
| 8 | Boniface John J. | 39 | 56% | +2.4% | +6.1% | +70.0% | -112.8% |
| 9 | Lindgardt Zhenya | 19 | 53% | +2.1% | +1.6% | +63.0% | -112.8% |
All filings
245 Form 4 / 4-A filings, newest first
| Filed | Top transaction | Shares | Price | Value | ||
|---|---|---|---|---|---|---|