Skip to main content

Wallach Sandra

No open-market purchases or sales filed in the past year.

Current role at each company

Open-market trades in the past year

Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.

Bought
–
0 filings
Sold
–
0 filings
Net
–
Bought minus sold
Companies
0
With open-market trades

Trades

Every Form 4 that lists Wallach Sandra as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.

AMPX Amprius Technologies, Inc.

Chief Financial Officer6 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Aug 25, 2025 (view filing)Aug 214 daysWallach SandraChief Financial OfficerSSale−28.4K$6.82−$193.6K−2.7%1.01M after
May 23, 2025 (view filing)May 212 daysWallach SandraChief Financial OfficerSSale−27.6K$2.43−$67.1K−2.6%1.03M after
Feb 24, 2025 (view filing)Feb 213 daysWallach SandraChief Financial OfficerSSale−18.1K$3.13−$56.8K−2.6%678.0K after
Nov 22, 2024 (view filing)Nov 211 dayWallach SandraChief Financial OfficerSSale−17.2K$1.96−$33.6K−2.4%696.1K after
Aug 22, 2024 (view filing)Aug 211 dayWallach SandraChief Financial OfficerSSale−17.6K$1.04−$18.3K−2.4%713.3K after
May 24, 2024 (view filing)May 21-223 daysLateWallach SandraChief Financial OfficerSSale−18.8K$1.34−$25.2K−2.5%730.9K after2 lots