InsiderTrades

Gaugh David Russell

SEC CIK 2075974 · EDGAR

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
AMPHAmphastar Pharmaceuticals, Inc.Dir 14.4K — — 22025-07-182026-06-01

Most active insiders at AMPH, 12 months

#InsiderTitleBoughtSold
1 Petersen Floyd F.Dir —$575.6K
2 Zhou RongSENIOR EVP, PRODUCTION CENTER —$571.1K
3 PETERS WILLIAM JCFO, EVP, Treas, Dir —$287.4K
4 PRINS RICHARD KDir —$275.1K
5 Pierce Anthony TDir ——
6 Gaugh David RussellDir ——
7 Deflin GayleDir ——
8 Liawatidewi YakobEVP CORP ADMIN CENTER, Dir ——
9 Gerst Diane G.Dir ——
10 Zhang Jack Y.CEO, CSO, Dir, 10% ——

Transactions 2

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
D 2026-06-03 20:31 2026-06-01 AMPH Amphastar Pharmaceuticals, Inc. Gaugh David Russell Dir A - Grant $0.00 +8,143 14.4K +129% $0
D 2025-07-22 2025-07-18 AMPH Amphastar Pharmaceuticals, Inc. Gaugh David Russell Dir A - Grant $0.00 +6,304 6,304 New $0

Purchase Sale Sale after option exercise All abbreviations