Monitor for upcoming filings or news that may explain the coordinated exit, particularly from C-suite executives. Consider this a caution signal ahead of next earnings or financing activity.
Price Chart
Executive Summary
Two corporate insiders at Amprius Technologies (AMPX) sold shares within the same day, including CTO Stefan Constantin Ionel, realizing over $879,000 in total proceeds. The coordinated timing and participation of a C-suite executive suggest potential shared insight into company developments.
Key Financial Metrics
Key Facts
- CTO Stefan Constantin Ionel sold $257,604 worth of shares on 2026-02-23
- Sun Kang sold $622,035 worth of shares on the same day at identical price
- Both transactions occurred on 2026-02-23 at $10.1555 per share
- Total insider selling in 7-day cluster: $879,638.94
Financial Impact
$879,639 in insider sales over 7 days, all from selling activity
Risk Factors
- Insiders may have non-public information about upcoming dilution or weak financial performance
- Loss of confidence from technical leadership (CTO selling) could impact innovation narrative
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CONTEXT: Insider Cluster Data (2 trades, 7d window) | cluster-AMPX-1771971138392 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 9, 2026 18d ago | S-3ASR | $8.87 | awaiting T+60 | — | $8.88 (+0.11%) |
Sep 25, 2026 4w ago | 8-K | $9.60 | awaiting T+60 | — | $8.88 (−7.50%) |
Aug 25, 2026 9w ago | Insider Cluster | $10.20 | awaiting T+60 | — | $8.88 (−12.94%) |
Aug 13, 2026 10w ago | 8-K | $12.51 | awaiting T+60 | — | $8.88 (−29.02%) |
Aug 1, 2026 12w ago | Institutional Cluster | $10.12 $8.78 | ▲ +13.29% | ▲ +15.07% | $8.88 (+12.25%) |
Jun 11, 2026 19w ago | Insider Cluster | $16.31 $10.39 | ▼ −36.30% | ▼ −39.56% | $8.88 (−45.55%) |
Jun 11, 2026 19w ago | Institutional Cluster | $17.10 $9.89 | ▼ −42.16% | ▼ −46.56% | $8.88 (−48.07%) |
Jun 8, 2026 20w ago | 144 | $4.84 | awaiting T+60 | — | $8.88 (−83.47%) |
May 28, 2026 21w ago | 144 | — | awaiting T+60 | — | — |
May 28, 2026 21w ago | Insider Cluster | $20.28 $9.86 | ▲ +51.38% | ▲ +52.56% | $8.88 (+56.21%) |
US Market Status
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