AMPH Logo

Amphastar Pharmaceuticals, Inc. (AMPH) 

NASDAQ
Market Cap
$2.19B
Sector
Healthcare
Industry
Drug Manufacturers—Specialty & Generic
Rank in Sector
430 of 775
Rank in Industry
19 of 47

Largest Insider Buys in Sector

AMPH Stock Price History Chart

AMPH Stock Performance

About Amphastar Pharmaceuticals, Inc.

Amphastar Pharmaceuticals, Inc., a bio-pharmaceutical company, develops, manufactures, markets, and sells generic and proprietary injectable, inhalation, and intranasal products in the United States, China, and France. The company operates through two segments, Finished Pharmaceutical Products and API. It offers Primatene Mist, an over-the-counter epinephrine inhalation product for the temporary relief of mild symptoms of intermittent asthma; Enoxaparin, a low molecular weight heparin to prevent and treat deep vein thrombosis; Naloxone for …

Insider Activity of Amphastar Pharmaceuticals, Inc.

Over the last 12 months, insiders at Amphastar Pharmaceuticals, Inc. have bought $0 and sold $25.22M worth of Amphastar Pharmaceuticals, Inc. stock.

On average, over the past 5 years, insiders at Amphastar Pharmaceuticals, Inc. have bought $40,520 and sold $15.47M worth of stock each year.

There was no buying activity among insiders over the last 12 months.

The last purchase of 2,000 shares for transaction amount of $40,520 was made by Maris David (director) on 2020‑08‑14.

List of Insider Buy and Sell Transactions, Amphastar Pharmaceuticals, Inc.

2024-11-12SaleSENIOR EVP, PRODUCTION CENTER
6,893
0.0147%
$48.88$336,930-6.56%
2024-11-12Saledirector
5,000
0.0107%
$48.80$243,986-6.56%
2024-11-06SaleCFO, EVP & TREASURER
7,426
0.0148%
$52.05$386,523-14.26%
2024-11-06SaleEVP CORP ADMIN CENTER
5,214
0.0104%
$52.05$271,389-14.26%
2024-09-13SaleSENIOR EVP, PRODUCTION CENTER
3,000
0.0062%
$48.26$144,785+0.92%
2024-09-05Saledirector
3,000
0.0063%
$46.47$139,417+6.41%
2024-08-26SaleSENIOR EVP, PRODUCTION CENTER
4,000
0.0083%
$48.35$193,400+0.42%
2024-08-12Saledirector
17,101
0.0347%
$43.07$736,550+11.19%
2024-07-31SaleCFO, EVP & TREASURER
10,282
0.0214%
$44.23$454,7730.00%
2024-06-27SaleCFO, EVP & TREASURER
3,596
0.0075%
$40.93$147,1690.00%
2024-06-10Saledirector
3,000
0.0061%
$41.40$124,200+11.46%
2024-06-03Saledirector
500
0.001%
$42.65$21,326+9.56%
2024-05-01Saledirector
500
0.001%
$41.67$20,837+4.78%
2024-04-01Saledirector
500
0.001%
$43.43$21,714-1.68%
2024-03-06SaleCFO, EVP & TREASURER
18,136
0.0379%
$46.48$842,883-6.59%
2024-03-05Saledirector
12,500
0.026%
$47.18$589,724-8.70%
2024-03-01Saledirector
500
0.001%
$45.69$22,847-6.40%
2024-02-01Saledirector
500
0.001%
$53.10$26,548-17.93%
2024-01-10SaleCOO,Chief Scientist & Chairman
131,386
0.2735%
$54.59$7.17M-18.30%
2024-01-09SaleCOO,Chief Scientist & Chairman
86,156
0.1806%
$57.14$4.92M-21.47%

Insider Historical Profitability

22.92%
Petersen Floyd F.director
75409
0.1568%
$45.54159+27.09%
PRINS RICHARD Kdirector
31471
0.0655%
$45.54241+28.12%
ZASLOFF MICHAEL Adirector
21326
0.0444%
$45.54118+29.92%
Zhang Jack Y.CEO & Chief Scientific Officer
6827679
14.2002%
$45.54235+24.35%
Koo Richarddirector
253270
0.5268%
$45.5413+27.09%

Institutional Investor Ownership

Top Shareholders
Top Buyers
Top Sellers
New Shareholders
Sold-Out Shareholders
BlackRock$266.93M12.436.08M+0.69%+$1.84M0.01
The Vanguard Group$120.05M5.592.73M-2.9%-$3.58M<0.01
Federated Hermes$91.21M4.252.08M-36.53%-$52.5M0.21
Neuberger Berman$72.88M3.391.66M-1.96%-$1.46M0.06
State Street$66.49M3.11.51M+2.93%+$1.89M<0.01
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Information is provided 'as-is' and solely for informational purposes and is not advice. Prismo does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.