AMPX Amprius Technologies, Inc.
Price Chart
Executive Summary
Sun Kang, a director and officer of Amprius Technologies (AMPX-WT), filed a Form 144 to propose the sale of 1,500,000 common shares, valued at approximately $25.29 million based on current market prices. This follows a series of prior 10b5-1 sales totaling over 1.7 million shares in early 2026, indicating a structured divestment plan.
Actionable Insight
Traders should monitor for actual sales execution, as continued insider selling—especially under a pre-arranged 10b5-1 plan—may signal lack of confidence in near-term prospects despite management's public stance. Consider hedging or reducing exposure if volume spikes coincide with weakening fundamentals.
Key Facts
- Reporting owner: Sun Kang, Director and Officer of Amprius Technologies
- Proposed sale: 1,500,000 common shares
- Approximate value: $25,290,000 (based on $16.86/share)
- Filing date: April 1, 2026
- Sales to be conducted under Rule 10b5-1 plan
- Recent prior sales under 10b5-1 plan: 1,750,710 shares for ~$20.8 million between January and March 2026
Financial Impact
$25.29 million in proposed insider sales, with recent actual sales of $20.8 million in Q1 2026
Risk Factors
- Sustained insider selling could pressure share price and erode investor confidence
- Potential perception of overhang on the stock from announced future sales
Market Snapshot
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001950047-26-003170 |
| Document: 0001950047-26-003170-index.html | 0001950047-26-003170 |
| Document: 0001950047-26-003170.txt | 0001950047-26-003170 |
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
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