David J. Sambrooks
CIK 1627372 · View on SEC EDGAR ↗
First SEC filing: Aug. 7, 2019 · Latest: Aug. 7, 2019
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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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 6, 2019 | AMPY | F | 62,220 | $4.36 | $271,279 | 172,709 Direct | -26.48% | Disposed | 13.6% (price as of 2026-08-20) |
| Aug. 6, 2019 | AMPY | M | 135,778 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Aug. 6, 2019 | AMPY | D | 12,084 | $10.00 | $120,840 | 160,625 Direct | -7.00% | Disposed | -50.4% (price as of 2026-08-20) |
| Aug. 6, 2019 | AMPY | M | 135,778 | — | — | 234,929 Direct | +136.94% | Acquired | (price as of 2026-08-20) |
| Nov. 1, 2017 | AMPY | A | 67,889 | — | — | 67,889 Direct | — | Acquired | (price as of 2026-08-20) |
| Nov. 1, 2017 | AMPY | A | 135,778 | — | — | 135,778 Direct | — | Acquired | (price as of 2026-08-20) |
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.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Aug. 6, 2019 | AMPY | Performance Stock Units | Common Stock (135,778) | — | — | 135,778 | Disposed |
| Nov. 1, 2017 | AMPY | Performance Stock Units | Common Stock (135,778) | — | — | 135,778 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
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 |
|---|---|---|---|---|---|---|---|---|
| 2019 | $375,000 | — | — | — | $600,000 | — | $3,521,658 | $5,308,802 |
| 2018 | $600,000 | — | — | — | $510,000 | — | $22,000 | $1,132,000 |
| 2017 | $100,000 | — | $2,564,850 | — | $54,200 | — | $8,000 | $2,727,050 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.