Chu Steven
SEC insider (Form 3/4/5 filer). CIK 0001296381. Director at Amprius Technologies, Inc. (AMPX). 11 reported Form 4/5 transactions since Sep 2024; latest on Jun 12, 2026. Located in FREMONT, CA.
Companies Chu Steven has filed insider reports for
- Amprius Technologies, Inc. (AMPX): Director
Chu Steven
CIK: 0001296381
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Amprius Technologies, Inc.
Discretionary Trading P&L
Holdings
Transaction History (11 total)
- Jun 12, 2026AMPX
Amprius Technologies, Inc.
AwardDirect10.4K shares- - Mar 12, 2026AMPX
Amprius Technologies, Inc.
SaleDirect5.6K shares at avg. $18.53$103K - Mar 12, 2026AMPX
Amprius Technologies, Inc.
SaleDirect100K shares at avg. $18.65$1.9M - Mar 12, 2026AMPX
Amprius Technologies, Inc.
SaleDirect50K shares at avg. $18.21$911K - Mar 12, 2026AMPX
Amprius Technologies, Inc.
ExerciseDirect86.1K shares at avg. $2.61$225K - Mar 12, 2026AMPX
Amprius Technologies, Inc.
ExerciseDirect69.4K shares at avg. $0.62$43K - Mar 10, 2026AMPX
Amprius Technologies, Inc.
SaleDirect166.6K shares at avg. $17.92$3.0M - Mar 10, 2026AMPX
Amprius Technologies, Inc.
ExerciseDirect104.1K shares at avg. $0.62$65K - Jun 13, 2025AMPX
Amprius Technologies, Inc.
AwardDirect44.4K shares- - Oct 23, 2024AMPX
Amprius Technologies, Inc.
AwardDirectStock Option (right to buy)
173.6K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 12, 2026 | AMPX Amprius Technologies, Inc. | Award | 10,423 | - | $0 | Direct |
| Mar 12, 2026 | AMPX Amprius Technologies, Inc. | Sale | 5,565 | $18.53 | $103,145 | Direct |
| Mar 12, 2026 | AMPX Amprius Technologies, Inc. | Sale | 100,000 | $18.65 | $1,864,670 | Direct |
| Mar 12, 2026 | AMPX Amprius Technologies, Inc. | Sale | 50,000 | $18.21 | $910,740 | Direct |
| Mar 12, 2026 | AMPX Amprius Technologies, Inc. | Exercise | 86,143 | $2.61 | $224,833 | Direct |
| Mar 12, 2026 | AMPX Amprius Technologies, Inc. | Exercise | 69,422 | $0.62 | $43,042 | Direct |
| Mar 10, 2026 | AMPX Amprius Technologies, Inc. | Sale | 166,632 | $17.92 | $2,985,429 | Direct |
| Mar 10, 2026 | AMPX Amprius Technologies, Inc. | Exercise | 104,132 | $0.62 | $64,562 | Direct |
| Jun 13, 2025 | AMPX Amprius Technologies, Inc. | Award | 44,444 | - | - | Direct |
| Oct 23, 2024 | AMPX Amprius Technologies, Inc. | Award Stock Option (right to buy) | 173,554 | - | - | Direct |
1-10 of 11 transactions