The entire C-suite and senior management are selling concurrently, which is an unusually broad sell-side cluster. While the absolute dollar amounts are modest relative to market cap, the breadth and involvement of the CEO/CFO/CCO/GC suggest a coordinated reduction. Monitor for an upcoming negative catalyst — the next quarterly filing or news item could disappoint. Short-term traders may consider caution or hedging given the uniform insider selling signal.
Price Chart
Executive Summary
Five insiders at SERA PROGNOSTICS, including the CEO, CFO, CCO, General Counsel, and a director, sold a total of ~$87K worth of shares over a 7-day window ending June 11. The CEO alone accounted for ~$57K of the sales. Total insider selling represents approximately 0.12% of the $73M market cap, which is a modest magnitude. The cluster includes the entire C-suite and senior management selling within a tight window, which elevates the signal.
Key Financial Metrics
Key Facts
- CEO Zhenya Lindgardt sold 27,745 shares total ($57,220) on June 9 and June 11.
- CFO Austin Aerts sold 7,477 shares total ($15,409) on June 9 and June 11.
- CCO Dyaarl Lee Anderson sold 4,739 shares ($9,525) on June 11.
- General Counsel Benjamin Jackson sold 2,179 shares ($4,380) on June 11.
- Director Sandra AJ Lawrence sold 1,600 shares ($3,440) on June 8.
- CMO Tiffany Inglis sold 362 shares ($728) on June 11 (in cross-filing context).
- Total insider sales cluster value ~$87K, representing about 0.12% of the $73M market cap.
- Prior 30-day insider activity showed 8 sells totaling $91K — this cluster is a continuation of that trend.
Financial Impact
Total insider selling of ~$87K, or ~0.12% of $73M market cap.
Risk Factors
- Potential undisclosed negative catalyst (poor earnings, regulatory setback, dilutive financing).
- Continuation of selling pressure if more insiders follow or the pattern accelerates.
- Liquidity risk — market cap of $73M, daily volume may be thin.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-SERA-1781554117656 |
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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