David Russell Gaugh
Insider
First SEC filing: June 3, 2026 · Latest: June 3, 2026
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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 1, 2026 | AMPH | A | 17,365 | · | · | 17,365 Direct | · | Acquired | (price as of 2026-10-06) |
| June 1, 2026 | AMPH | A | 8,143 | · | · | 14,447 Direct | +129.17% | Acquired | (price as of 2026-10-06) |
| July 18, 2025 | AMPH | A | 6,304 | · | · | 6,304 Direct | · | Acquired | (price as of 2026-10-06) |
| July 18, 2025 | AMPH | A | 13,987 | · | · | 13,987 Direct | · | Acquired | (price as of 2026-10-06) |
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 |
|---|---|---|---|---|---|---|---|
| June 1, 2026 | AMPH | Stock Option (right to buy) | Common Stock | $18.42 | June 1, 2036 | 17,365 | Acquired |
| July 18, 2025 | AMPH | Stock Option (right to buy) | Common Stock | $20.62 | July 18, 2035 | 13,987 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).