Wallach Sandra (CIK 1698362) reported 4 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-08-25). Recent activity: Sell AMPX (28,390 shares), Sell AMPX (27,595 shares), Buy AMPX (383,260 shares), Sell AMPX (18,142 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-08-25 | Amprius Technologies, Inc. (AMPX) | Chief Financial Officer | Sell | 28,390 | $193,620 |
| 2025-05-23 | Amprius Technologies, Inc. (AMPX) | Chief Financial Officer | Sell | 27,595 | $67,056 |
| 2025-03-21 | Amprius Technologies, Inc. (AMPX) | Chief Financial Officer | Buy | 383,260 | $0 |
| 2025-02-24 | Amprius Technologies, Inc. (AMPX) | Chief Financial Officer | Sell | 18,142 | $56,784 |
Source: SEC Form 4 filings · as of 2025-08-25