AMPX Amprius Technologies, Inc.
Price Chart
Executive Summary
Two AMPX insiders (CEO and a director) sold shares totaling $807K over a one-week window, representing a trivial 0.035% of the $2.3B market cap. These sales are routine in size and pattern — the director's $765K sale is modest, and the CEO's $42K sale is negligible — and do not signal material negative sentiment.
Key Financial Metrics
Actionable Insight
The insider selling is too small in relative terms to warrant any trading response. No other cross-filings (e.g., earnings, offerings, or restructuring) accompany this cluster. Monitor next quarterly filing for any change in business trajectory, but this cluster alone is not a signal.
Key Facts
- Two insiders sold shares between June 2-9, 2026: Director Donald R. Dixon sold 40,000 shares ($765K) and CEO Thomas M. Stepien sold 2,000 shares ($42K).
- Total sale value of $807K equals ~0.035% of AMPX's $2.3B market cap, well below the 0.1% threshold for materiality.
- This cluster is consistent with the recent 30-day insider activity (9 sells totaling $3.6M), indicating ongoing routine liquidation rather than an abrupt change.
Financial Impact
Two open-market sales totaling $807K, 0.035% of market cap.
Risk Factors
- If future filings reveal negative fundamental news (e.g., earnings miss, guidance cut), this cluster could be retroactively interpreted as early selling.
- Director Dixon continues to hold a substantial position — his remaining stake is not disclosed in this filing — but his partial sale is not alarming.
Market Snapshot
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-AMPX-1781215133830 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
|
Jun 11, 2026
1d ago
|
Insider Cluster
| $17.13 awaiting T+5 | awaiting T+5 | — | $16.31 (−4.79%) |
|
Jun 11, 2026
1d ago
|
Institutional Cluster
| $16.45 awaiting T+5 | awaiting T+5 | — | $16.31 (−0.85%) |
|
Jun 8, 2026
4d ago
|
144
| $4.84 awaiting T+5 | awaiting T+5 | — | $16.31 (−236.98%) |
|
May 28, 2026
15d ago
|
144
| — | awaiting T+5 | — | — |
|
May 28, 2026
15d ago
|
Insider Cluster
| $20.28 $21.74 | ▼ −7.20% | ▼ −7.49% | $16.31 (+19.58%) |
|
May 28, 2026
15d ago
|
Insider Cluster
| $20.28 $19.69 | ▲ +2.91% | ▲ +0.39% | $16.31 (+19.58%) |
|
May 26, 2026
17d ago
|
Insider Cluster
| $17.16 $22.91 | ▼ −33.51% | ▼ −32.30% | $16.31 (+4.95%) |
|
May 26, 2026
17d ago
|
144
| — | awaiting T+5 | — | — |
|
May 26, 2026
17d ago
|
Insider Cluster
| $17.16 $22.91 | ▲ +33.51% | ▲ +32.30% | $16.31 (−4.95%) |
|
Apr 21, 2026
7w ago
|
8-K
| — | awaiting T+5 | — | — |
US Market Status
Subscribe to SecBot
Get Real-Time SEC Filing Intelligence
Comprehensive SEC filing analysis delivered the moment filings hit EDGAR. Sentiment scoring, impact analysis, and actionable insights for every material event.
Try SecBot Free Coming soon: SecBot Pro with alerts, watchlists, and API access