Monitor for additional insider selling in the next few weeks; while this cluster is small and likely routine, multiple C-suite sales could signal caution if volume accelerates ahead of earnings or a capital raise.
Price Chart
Executive Summary
Four corporate insiders at Sera Prognostics, including the CFO, Chief Scientific Officer, and General Counsel, sold shares in the past seven days, totaling $22,818 in open-market transactions. All sales were small in dollar amount and occurred at market prices with no indication of forced or non-cash dispositions.
Key Financial Metrics
Key Facts
- CFO Austin Aerts sold 7,088 shares for $13,609.86 over two days (March 10 and 11).
- Chief Scientific Officer Boniface John sold 1,517 shares for $3,094.68 on March 11.
- General Counsel Benjamin Jackson sold 3,119 shares for $6,113.24 on March 9.
- Total open-market sales by insiders in the last 7 days: $22,818.
- All transactions were open-market sales (Form 4 code 'S'); no grants, awards, or tax-related dispositions.
Financial Impact
$22,818 in total insider sales over 7 days
Risk Factors
- Potential perception of lack of confidence if insider selling continues.
- Low liquidity in a $74M market cap stock could amplify negative sentiment on larger future sales.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CONTEXT: Insider Cluster Data (4 trades, 7d window) | cluster-SERA-1773360757745 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 21, 2026 5d ago | Press Release | $2.04 | awaiting T+60 | — | $2.04 (+0.00%) |
Oct 13, 2026 13d ago | 144 | $2.07 | awaiting T+60 | — | $2.04 (−1.44%) |
Aug 19, 2026 9w ago | 8-K | $2.10 | awaiting T+60 | — | $2.04 (−2.85%) |
Jun 30, 2026 16w ago | 8-K | $2.03 $2.11 | ▲ +3.94% | ▲ +0.98% | $2.04 (+0.50%) |
Jun 15, 2026 19w ago | Insider Cluster | $1.86 $2.05 | ▼ −10.22% | ▼ −9.22% | $2.04 (−9.68%) |
Jun 8, 2026 20w ago | 144 | $2.13 $2.01 | ▼ −5.63% | ▼ −9.45% | $2.04 (−4.22%) |
Jun 1, 2026 21w ago | 8-K | $2.04 $2.09 | ▲ +2.45% | ▲ +1.33% | $2.04 (+0.00%) |
Apr 24, 2026 26w ago | DEFA14A | $2.00 $2.08 | ▲ +4.00% | ▼ −0.78% | $2.04 (+2.01%) |
Mar 6, 2026 33w ago | Insider Cluster | $1.95 $2.19 | ▲ +12.31% | ▼ −0.47% | $2.04 (+4.62%) |
Mar 6, 2026 33w ago | Insider Cluster | $1.95 $2.19 | ▲ +12.31% | ▼ −0.47% | $2.04 (+4.62%) |
US Market Status
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