Net shares · 365d
-67.1K
0 buy · 67.1K sell
Net value · 365d
-$1.0M
$0 in · $1.0M out
Sentiment · 365d
Net selling
0% buying · 100% selling
Open-market trades · 365d
3
0 buy · 67.1K sell
Trading track record · all companies
Not enough open-market trades to chart a track record yet.
Running net of open-market buys − sells across every company. Tap the line or a marker for details. ▲ buy · ▼ sell.
Transactions · 365d
-
AMPX Sell·S
Chief Executive Officer
$41.9K
2.0K sh · $20.97
Own -0%
-
AMPX Sell·S
Chief Executive Officer
$75.2K
4.4K sh · $17.19
Own -1%
-
AMPX Sell·S
Chief Executive Officer
$897.7K
60.7K sh · $14.79
Own -8%
| Date▾ | Ticker | Type | Shares | Value |
|---|---|---|---|---|
| Jun 4, 2026 | AMPX | Sell S | 2.0K | $41.9K |
| May 27, 2026 | AMPX | Sell S | 4.4K | $75.2K |
| May 21, 2026 | AMPX | Sell S | 60.7K | $897.7K |
Buy Sell Non-market (grant · exercise · gift)
About Stepien Thomas M
This profile aggregates every SEC Form 4 insider transaction reported by Stepien Thomas M across all companies they trade. Open-market purchases (code P) and sales (code S) are the highest-signal, discretionary trades; grants (A), option exercises (M) and gifts (G) reflect compensation rather than conviction and carry no market price. Figures cover the selected period and update as new filings are ingested.