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AMPH Amphastar Pharmaceuticals, Inc. logo

AMPH Amphastar Pharmaceuticals, Inc.

Healthcare
$18.41+1.38%ClosedMarket Cap: $811.8M

As of 2026-05-25

Insider Statistics (Q1 2026)

Acquisitions

10

Dispositions

20

Buy/Sell Ratio

0.50

Net Shares

+1,112,873

Shares Acquired

1,183,889

Shares Disposed

71,016

Total Bought ($)

$0.00

Total Sold ($)

$0.00

Recent Insider Trades
Filing DateNameTypeActionSharesPriceShares After
Tue Mar 17Zhou Rongofficer: SENIOR EVP, PRODUCTION CENTERSell1,225$18.18171,554
Tue Mar 17Zhang Jack Y.director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICERSell9,784$18.182,990,052
Tue Mar 17Zhang Jack Y.director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICERSell2,908$18.181,245,125
Tue Mar 17PETERS WILLIAM Jdirector, officer: CFO, EVP & TREASURERSell1,973$18.18175,063
Tue Mar 17Liawatidewi Yakobdirector, officer: EVP CORP ADMIN CENTERSell1,033$18.18121,892
Wed Mar 11Zhou Rongofficer: SENIOR EVP, PRODUCTION CENTERSell2,215$18.91172,779
Wed Mar 11Zhou Rongofficer: SENIOR EVP, PRODUCTION CENTERSell39,432$0.00174,994
Wed Mar 11PETERS WILLIAM Jdirector, officer: CFO, EVP & TREASURERSell3,297$18.91177,036
Wed Mar 11PETERS WILLIAM Jdirector, officer: CFO, EVP & TREASURERSell121,071$19.21121,071
Wed Mar 11PETERS WILLIAM Jdirector, officer: CFO, EVP & TREASURERSell58,693$0.00180,333