PETERS WILLIAM J Insider Trading Activity

Average Profitability
<0.0001%
Insider Buys Quantity
0
Insider Buys Sum
$0
Insider Sells Quantity
55
Insider Sells Sum
$23.9M

Insider Activity of PETERS WILLIAM J

According to the SEC Form 4 filings, PETERS WILLIAM J, being in a position of

  1. CFO, EVP & TREASURER at Amphastar Pharmaceuticals, Inc.,
    оver the last 12 months, has bought 0 shares, and sold 12319 shares for $287,361,
    over all time since 2016-06-02, has bought 0 shares, and sold 782764 shares for $24.19M.

Biography of PETERS WILLIAM J

No biography is available at this moment.

Statistics of Insider Transactions Last Year

Amount of Insider Buys and Sells by Stocks

Buys
 $000
Sells
 $287,3612100

Comparison of Insiders on Amount of Buys and Sells

2026-09-21SaleAmphastar Pharmaceuticals, Inc.
AMPH
CFO, EVP & TREASURER
4,139
0.0099%
$25.00$103,475+6.41%
2026-08-07SaleAmphastar Pharmaceuticals, Inc.
AMPH
CFO, EVP & TREASURER
8,180
0.0203%
$22.48$183,886+17.81%
2025-03-04SaleAmphastar Pharmaceuticals, Inc.
AMPH
CFO, EVP & TREASURER
4,231
0.0088%
$27.54$116,515-5.65%
2024-11-06SaleAmphastar Pharmaceuticals, Inc.
AMPH
CFO, EVP & TREASURER
7,426
0.0148%
$52.05$386,523-48.96%
2024-07-31SaleAmphastar Pharmaceuticals, Inc.
AMPH
CFO, EVP & TREASURER
10,282
0.0214%
$44.23$454,773-19.44%
2024-06-27SaleAmphastar Pharmaceuticals, Inc.
AMPH
CFO, EVP & TREASURER
3,596
0.0075%
$40.93$147,169-6.65%
2024-03-06SaleAmphastar Pharmaceuticals, Inc.
AMPH
CFO, EVP & TREASURER
18,136
0.0379%
$46.48$842,883-8.69%
2023-11-14SaleAmphastar Pharmaceuticals, Inc.
AMPH
CFO, EVP & Treasurer
59,250
0.1202%
$55.67$3.3M-17.74%
2023-09-06SaleAmphastar Pharmaceuticals, Inc.
AMPH
CFO, EVP & Treasurer
60,743
0.1237%
$51.75$3.14M-12.59%
2023-06-15SaleAmphastar Pharmaceuticals, Inc.
AMPH
CFO, EVP & Treasurer
36,868
0.0748%
$50.85$1.87M+0.34%
2023-06-02SaleAmphastar Pharmaceuticals, Inc.
AMPH
CFO, EVP & Treasurer
11,000
0.0227%
$46.35$509,859+12.27%
2023-05-18SaleAmphastar Pharmaceuticals, Inc.
AMPH
CFO, EVP & Treasurer
10,500
0.0221%
$44.35$465,675+19.55%
2023-04-17SaleAmphastar Pharmaceuticals, Inc.
AMPH
CFO, EVP & Treasurer
5,632
0.0118%
$42.35$238,515+24.83%
2023-04-13SaleAmphastar Pharmaceuticals, Inc.
AMPH
CFO, EVP & Treasurer
4,868
0.0102%
$42.35$206,160+25.17%
2023-04-10SaleAmphastar Pharmaceuticals, Inc.
AMPH
CFO, EVP & Treasurer
10,032
0.0209%
$40.35$404,791+30.33%
2023-03-15SaleAmphastar Pharmaceuticals, Inc.
AMPH
CFO, EVP & Treasurer
12,776
0.0262%
$36.43$465,472+42.18%
2023-03-01SaleAmphastar Pharmaceuticals, Inc.
AMPH
CFO, EVP & Treasurer
10,974
0.0226%
$36.33$398,685+43.27%
2022-08-09SaleAmphastar Pharmaceuticals, Inc.
AMPH
CFO, EVP & Treasurer
10,000
0.0245%
$38.35$383,5000%
2022-06-30SaleAmphastar Pharmaceuticals, Inc.
AMPH
CFO, EVP & Treasurer
18,386
0.0378%
$34.95$642,591-7.85%
2022-06-17SaleAmphastar Pharmaceuticals, Inc.
AMPH
CFO, EVP & Treasurer
5,512
0.0115%
$32.05$176,682+1.27%
Total: 57
Company
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