William J Peters is CFO, EVP & TREASURER of Amphastar Pharmaceuticals, Inc.. Currently has a direct ownership of 125,258 shares of AMPH, which is worth approximately $3 Million. The most recent transaction as insider was on May 19, 2022, when has been sold 378 shares (Common Stock) at a price of $33.7 per share, resulting in proceeds of $12,739. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 125K
33.11% 3M change
28.27% 12M change
Total Value Held $3 Million

WILLIAM J PETERS Transaction History

Date Transaction Value Shares Traded Shares Held Form
May 19 2022
SELL
Payment of exercise price or tax liability
$12,739 $33.7 p/Share
378 Reduced 0.36%
104,609 Common Stock
Mar 17 2022
SELL
Payment of exercise price or tax liability
$142,257 $34.18 p/Share
4,162 Reduced 3.81%
104,987 Common Stock
Mar 16 2022
SELL
Open market or private sale
$1,734,035 $34.15 p/Share
50,777 Reduced 30.79%
114,144 Common Stock
Mar 16 2022
SELL
Payment of exercise price or tax liability
$170,929 $34.22 p/Share
4,995 Reduced 4.38%
109,149 Common Stock
Mar 16 2022
BUY
Exercise of conversion of derivative security
$731,189 $14.4 p/Share
50,777 Added 23.54%
164,921 Common Stock
Mar 15 2022
SELL
Payment of exercise price or tax liability
$208,058 $34.74 p/Share
5,989 Reduced 4.99%
114,144 Common Stock
Mar 15 2022
SELL
Open market or private sale
$272,234 $34.46 p/Share
7,900 Reduced 7.45%
98,142 Common Stock
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
WJP

William J Peters

CFO, EVP & TREASURER
Rancho Cucamonga, CA

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