SERA SERA PROGNOSTICS, INC.
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
Actionable Insight
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.
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.
- Historical warning: prior neutral reports on SERA had mixed outcomes (T+20 range -18.7% to +17.9%); this bearish cluster may add downside risk.
Market Snapshot
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 | ||||
|---|---|---|---|---|---|
|
Jun 15, 2026
5d ago
|
Insider Cluster
| $1.86 $1.89 | ▼ −1.61% | ▼ −2.86% | $1.75 (+5.91%) |
|
Jun 8, 2026
12d ago
|
144
| $2.13 $2.00 | ▼ −6.10% | ▼ −4.53% | $1.75 (−17.84%) |
|
Jun 1, 2026
19d ago
|
8-K
| $2.04 $2.05 | ▲ +0.49% | ▲ +1.21% | $1.75 (−14.22%) |
|
Apr 24, 2026
8w ago
|
DEFA14A
| $2.00 $1.98 | ▼ −1.00% | ▼ −0.51% | $1.75 (−12.50%) |
|
Mar 6, 2026
15w ago
|
Insider Cluster
| $1.95 $1.93 | ▼ −1.03% | ▼ −1.87% | $1.75 (−10.26%) |
|
Mar 6, 2026
15w ago
|
Insider Cluster
| $1.95 $1.93 | ▼ −1.03% | ▼ −1.87% | $1.75 (−10.26%) |
|
Mar 6, 2026
15w ago
|
Insider Cluster
| $1.95 $1.93 | ▼ −1.03% | ▼ −1.87% | $1.75 (−10.26%) |
US Market Status
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