Wallach Sandra
SEC insider (Form 3/4/5 filer). CIK 0001698362. Chief Financial Officer at Amprius Technologies, Inc. (AMPX). 5 reported Form 4/5 transactions since Sep 2024; latest on Aug 21, 2025. Located in FREMONT, CA.
Companies Wallach Sandra has filed insider reports for
- Amprius Technologies, Inc. (AMPX): Officer, Chief Financial Officer
Wallach Sandra
CIK: 0001698362
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)4 (80.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)1 (20.0%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
AMPX
Amprius Technologies, Inc.
Officer
Discretionary Trading P&L
Holdings
Transaction History (5 total)
- Aug 21, 2025AMPX
Amprius Technologies, Inc.
SaleDirect28.4K shares at avg. $6.82$194K - May 21, 2025AMPX
Amprius Technologies, Inc.
SaleDirect27.6K shares at avg. $2.43$67K - Mar 19, 2025AMPX
Amprius Technologies, Inc.
AwardDirect383.3K shares- - Feb 21, 2025AMPX
Amprius Technologies, Inc.
SaleDirect18.1K shares at avg. $3.13$57K - Nov 21, 2024AMPX
Amprius Technologies, Inc.
SaleDirect17.2K shares at avg. $1.96$34K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 21, 2025 | AMPX Amprius Technologies, Inc. | Sale | 28,390 | $6.82 | $193,512 | Direct |
| May 21, 2025 | AMPX Amprius Technologies, Inc. | Sale | 27,595 | $2.43 | $67,111 | Direct |
| Mar 19, 2025 | AMPX Amprius Technologies, Inc. | Award | 383,260 | - | - | Direct |
| Feb 21, 2025 | AMPX Amprius Technologies, Inc. | Sale | 18,142 | $3.13 | $56,843 | Direct |
| Nov 21, 2024 | AMPX Amprius Technologies, Inc. | Sale | 17,158 | $1.96 | $33,709 | Direct |
1-5 of 5 transactions