// company-profile
Amprius Technologies, Inc.
AMPX// activity-summary
Recent insider activity is bearish. Over the last 30 days, insiders net sold $2.7M across 7 transactions, with 4 offsetting purchases.
// 90-day insight
Over the last 90 days, Amprius Technologies, Inc. insiders bought $0 (5 transactions) and sold $5.0M (10 transactions).
- Most active insider: Sun Kang with 9 transactions totaling $30.9M.
- Largest single sale: $19.7M by Sun Kang on Apr 1, 2026.
- 17% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.
Activity skews bearish — sales outpace buys.
Institutional Ownership
Top 13F-HR holders of Amprius Technologies, Inc. as of 2026-03-31
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 15, 2026 | DIXON DONALD R | AMPX | Sale | 85,000 | $17.17 | $1.46M |
| Jun 12, 2026 | BAYLESS KATHLEEN A | AMPX | Award | 10,423 | $0.00 | $0K |
| Jun 12, 2026 | SATTERTHWAITE LIVINGSTON | AMPX | Award | 10,423 | $0.00 | $0K |
| Jun 12, 2026 | Chu Steven | AMPX | Award | 10,423 | $0.00 | $0K |
| Jun 12, 2026 | DIXON DONALD R | AMPX | Award | 10,423 | $0.00 | $0K |
45 more transactions hidden
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