William J Peters is CFO, EVP & TREASURER of Amphastar Pharmaceuticals, Inc.. Currently has a direct ownership of 94,103 shares of AMPH, which is worth approximately $4.15 Million. The most recent transaction as insider was on Mar 15, 2022, when has been sold 21,991 shares (Common Stock) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 94.1K
0% 3M change
7.16% 12M change
Total Value Held $4.15 Million

WILLIAM J PETERS Transaction History

Date Transaction Value Shares Traded Shares Held Form
Mar 15 2022
BUY
Grant, award, or other acquisition
-
21,991 Added 15.47%
120,133 Common Stock
Mar 07 2022
SELL
Open market or private sale
$382,313 $29.35 p/Share
13,026 Reduced 10.94%
106,042 Common Stock
Mar 07 2022
BUY
Exercise of conversion of derivative security
$173,897 $13.35 p/Share
13,026 Added 9.86%
119,068 Common Stock
Feb 25 2022
SELL
Open market or private sale
$654,350 $28.45 p/Share
23,000 Reduced 17.82%
106,042 Common Stock
Feb 25 2022
BUY
Exercise of conversion of derivative security
$343,850 $14.95 p/Share
23,000 Added 15.13%
129,042 Common Stock
Feb 08 2022
SELL
Open market or private sale
$269,500 $26.95 p/Share
10,000 Reduced 8.62%
106,042 Common Stock
Feb 08 2022
BUY
Exercise of conversion of derivative security
$149,500 $14.95 p/Share
10,000 Added 7.93%
116,042 Common Stock
Jan 10 2022
SELL
Open market or private sale
$406,400 $25.4 p/Share
16,000 Reduced 13.11%
106,042 Common Stock
Jan 10 2022
BUY
Exercise of conversion of derivative security
$230,400 $14.4 p/Share
16,000 Added 11.59%
122,042 Common Stock
Jan 07 2022
SELL
Open market or private sale
$779,465 $24.53 p/Share
31,776 Reduced 23.06%
106,042 Common Stock
Jan 07 2022
BUY
Exercise of conversion of derivative security
$457,574 $14.4 p/Share
31,776 Added 18.74%
137,818 Common Stock
Dec 30 2021
SELL
Open market or private sale
$234,000 $23.4 p/Share
10,000 Reduced 8.62%
106,042 Common Stock
Dec 30 2021
BUY
Exercise of conversion of derivative security
$144,000 $14.4 p/Share
10,000 Added 7.93%
116,042 Common Stock
Dec 21 2021
SELL
Open market or private sale
$184,934 $22.4 p/Share
8,256 Reduced 7.22%
106,042 Common Stock
Dec 21 2021
BUY
Exercise of conversion of derivative security
$118,886 $14.4 p/Share
8,256 Added 6.74%
114,298 Common Stock
Dec 16 2021
SELL
Open market or private sale
$39,066 $22.4 p/Share
1,744 Reduced 1.62%
106,042 Common Stock
Dec 16 2021
BUY
Exercise of conversion of derivative security
$25,114 $14.4 p/Share
1,744 Added 1.59%
107,786 Common Stock
Nov 11 2021
SELL
Open market or private sale
$213,300 $21.33 p/Share
10,000 Reduced 8.64%
105,689 Common Stock
Nov 11 2021
BUY
Exercise of conversion of derivative security
$113,300 $11.33 p/Share
10,000 Added 7.96%
115,689 Common Stock
Aug 16 2021
SELL
Open market or private sale
$127,497 $19.35 p/Share
6,589 Reduced 5.87%
105,689 Common Stock
Jul 07 2021
SELL
Open market or private sale
$203,700 $20.37 p/Share
10,000 Reduced 8.18%
112,278 Common Stock
Jul 07 2021
BUY
Exercise of conversion of derivative security
$113,300 $11.33 p/Share
10,000 Added 7.56%
122,278 Common Stock
May 19 2021
BUY
Grant, award, or other acquisition
-
3,047 Added 2.66%
111,349 Common Stock
Mar 17 2021
BUY
Grant, award, or other acquisition
-
33,574 Added 23.66%
108,302 Common Stock
Mar 16 2021
SELL
Payment of exercise price or tax liability
$117,979 $18.44 p/Share
6,398 Reduced 7.89%
74,728 Common Stock
WJP

William J Peters

CFO, EVP & TREASURER
Rancho Cucamonga, CA

Track Institutional and Insider Activities on AMPH

Follow Amphastar Pharmaceuticals, Inc. and customize your updates to receive the information that matters most to you.

Institutional Portfolio Updates

Receive a notification when an Institution or Guru buys or sells AMPH shares.

Notify only if

Insider Trading

Get notified when an Amphastar Pharmaceuticals, Inc. insider buys or sells AMPH shares.

Notify only if

News

Receive news related to Amphastar Pharmaceuticals, Inc.

Track Activities on AMPH