Thomas M Stepien
CIK 2067233 · View on SEC EDGAR ↗
First SEC filing: May 12, 2025 · Latest: June 5, 2026
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Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 4, 2026 | AMPX | S | 2,000 | $20.97 | $41,940 | 625,625 | — | — | -50.5% (price as of 2026-08-19) |
| May 27, 2026 | AMPX | S | 4,375 | $17.19 | $75,222 | 694,923 | — | — | -39.6% (price as of 2026-08-19) |
| May 21, 2026 | AMPX | S | 60,702 | $14.79 | $897,685 | 699,298 | — | — | -29.7% (price as of 2026-08-19) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 12, 2025 | AMPX | Common stock | — | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $319,712 | $238,292 | $2,746,000 | — | — | — | $50,711 | $3,354,715 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.