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Matthew G. David
Insider
First SEC filing: Feb. 25, 2013 · Latest: Feb. 25, 2013
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 21, 2013 | AMPY | A | 38,000 | · | · | 325,631 Direct | +13.21% | Acquired | (price as of 2026-10-05) |
| April 25, 2012 | AMPY | S | 26,889 | $12.22 | $328,584 | 287,631 Direct | -8.55% | Disposed | -96.5% (price as of 2026-10-05) |
| April 24, 2012 | AMPY | A | 314,520 | · | · | 314,520 Direct | · | Acquired | (price as of 2026-10-05) |
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.