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Amphastar Pharmaceuticals, Inc.

AMPHNasdaqCIK: 0001297184

Over the 29 most recent insider filings, Amphastar Pharmaceuticals, Inc. (AMPH) has seen activity from 12 distinct insiders — all of them on the sell side. The activity is heavily weighted toward selling: $0 bought versus $1.5M sold, net sales of $1.5M. PETERS WILLIAM J is the most active by dollar volume, and the single largest transaction was $2.4M by PETERS WILLIAM J. All figures are drawn from official SEC Form 3, 4, and 5 disclosures and update as new filings arrive.

Total Volume
$10.0M
Purchases
$0
Sales
$1.5M
Unique Insiders
12

Recent Insider Trades

29 loaded
Sep 17AMPH
Amphastar Pharmaceuticals, Inc.
Zhou RongInsiderSell$239.4K
Sep 3AMPH
Amphastar Pharmaceuticals, Inc.
Zhou RongInsiderSell$75.3K
Aug 12AMPH
Amphastar Pharmaceuticals, Inc.
PRINS RICHARD KInsiderSell$161.9K
Aug 11AMPH
Amphastar Pharmaceuticals, Inc.
PETERS WILLIAM JInsiderSell$183.9K
Jul 13AMPH
Amphastar Pharmaceuticals, Inc.
Pierce Anthony TInsiderGrant$316.6K
Jul 13AMPH
Amphastar Pharmaceuticals, Inc.
Pierce Anthony TInsiderOther$0
Jun 3AMPH
Amphastar Pharmaceuticals, Inc.
Gaugh David RussellInsiderGrant$319.9K
Jun 3AMPH
Amphastar Pharmaceuticals, Inc.
Deflin GayleInsiderGrant$319.9K
Jun 3AMPH
Amphastar Pharmaceuticals, Inc.
Gerst Diane G.InsiderGrant$319.9K
Jun 3AMPH
Amphastar Pharmaceuticals, Inc.
ZASLOFF MICHAEL AInsiderGrant$319.9K
Jun 3AMPH
Amphastar Pharmaceuticals, Inc.
Lee HowardInsiderGrant$334.1K
Mar 17AMPH
Amphastar Pharmaceuticals, Inc.
Zhou RongInsiderTax withheld$22.3K
Mar 17AMPH
Amphastar Pharmaceuticals, Inc.
Zhang Jack Y.InsiderTax withheld$230.7K
Mar 17AMPH
Amphastar Pharmaceuticals, Inc.
Liawatidewi YakobInsiderTax withheld$18.8K
Mar 17AMPH
Amphastar Pharmaceuticals, Inc.
PETERS WILLIAM JInsiderTax withheld$35.9K
Mar 11AMPH
Amphastar Pharmaceuticals, Inc.
Zhou RongInsiderGrant$1.6M
Mar 11AMPH
Amphastar Pharmaceuticals, Inc.
PETERS WILLIAM JInsiderGrant$2.4M
Mar 10AMPH
Amphastar Pharmaceuticals, Inc.
PETERS WILLIAM JInsiderTax withheld$41.5K
Mar 6AMPH
Amphastar Pharmaceuticals, Inc.
Zhang Jack Y.CEO & CHIEF SCIENTIFIC OFFICERTax withheld$163.7K
Dec 18AMPH
Amphastar Pharmaceuticals, Inc.
Zhou RongInsiderSell$256.4K
Nov 25AMPH
Amphastar Pharmaceuticals, Inc.
PRINS RICHARD KInsiderSell$113.3K
Nov 17AMPH
Amphastar Pharmaceuticals, Inc.
Petersen Floyd F.InsiderSell$441.8K
Nov 5AMPH
Amphastar Pharmaceuticals, Inc.
Petersen Floyd F.InsiderSell$12.6K
Oct 2AMPH
Amphastar Pharmaceuticals, Inc.
Petersen Floyd F.InsiderSell$13.6K
Sep 3AMPH
Amphastar Pharmaceuticals, Inc.
Petersen Floyd F.InsiderSell$15.5K
Aug 4AMPH
Amphastar Pharmaceuticals, Inc.
Petersen Floyd F.InsiderSell$10.4K
Jul 22AMPH
Amphastar Pharmaceuticals, Inc.
Gaugh David RussellInsiderGrant$288.4K
Jul 22AMPH
Amphastar Pharmaceuticals, Inc.
Gaugh David RussellInsiderOther$0
Jun 3AMPH
Amphastar Pharmaceuticals, Inc.
PRINS RICHARD KInsiderGrant$319.9K

29 filings