| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Chief Financial Officer | CFO
2 companies
Wallach Sandra is a Chief Financial Officer at AMPX, with reported holdings spanning 2 companies. Recent filings cover 0 purchases and 7 sales. Those positions are worth an estimated $12.4M at current prices.
Our model assigns Wallach Sandra a below-average insider score of 24/100, based on 7 past trades. Over a 12-month horizon, 0.0% of those trades were profitable, with an average 12-month return of -92.4%.
Wallach Sandra's largest disclosed position is in AMPX as Chief Financial Officer, worth about $12.1M. The recent filings there lean toward selling, a net 127,685 shares.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Aug 21, 2025 | AMPX Amprius Technologies, Inc. | Chief Financial Officer | Sell | 28,390 | $6.82 | $193,511.92 | -2.7% | +59.2% | - | |
| May 21, 2025 | AMPX Amprius Technologies, Inc. | Chief Financial Officer | Sell | 27,595 | $2.43 | $67,111.04 | -2.6% | +178.5% | +532.2% | |
| Feb 21, 2025 | AMPX Amprius Technologies, Inc. | Chief Financial Officer | Sell | 18,142 | $3.13 | $56,842.51 | -2.6% | -16.0% | +217.3% | |
| Nov 21, 2024 | AMPX Amprius Technologies, Inc. | Chief Financial Officer | Sell | 17,158 | $1.96 | $33,708.61 | -2.4% | +69.7% | +410.6% | |
| Aug 21, 2024 | AMPX Amprius Technologies, Inc. | Chief Financial Officer | Sell | 17,606 | $1.04 | $18,310.24 | -2.4% | +91.7% | +528.7% | |
| May 22, 2024 | AMPX Amprius Technologies, Inc. | Chief Financial Officer | Sell | 18,794 | $1.34 | $25,185.07 | -1.3% | -26.7% | +72.6% |