AMPH Logo

Amphastar Pharmaceuticals, Inc. (AMPH) 

NASDAQ
Market Cap
$2.12B
Sector
Healthcare
Industry
Drug Manufacturers—Specialty & Generic
Rank in Sector
536 of 966
Rank in Industry
28 of 59

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 opioid overdose; Glucagon for injection emergency kit; and Cortrosyn, a lyophilized powder for use as a diagnostic agent in the screening of patients with adrenocortical insufficiency. The company also provides Amphadase, a bovine-sourced hyaluronidase injection to absorb and disperse other injected drugs; Epinephrine injection for the emergency treatment of allergic reactions; lidocaine jelly, an anesthetic product for urological procedures; lidocaine topical solution for various procedures; phytonadione injection, a vitamin K1 injection for newborn babies; emergency syringe products for emergency use in hospital settings; morphine injection for use with patient controlled analgesia pumps; and lorazepam injection for surgery and medical procedures. In addition, it offers neostigmine methylsulfate injection to treat myasthenia gravis and to reverse the effects of muscle relaxants; and Isoproterenol hydrochloride injection for mild or transient episodes of heart block. Further, the company distributes recombinant human insulin active pharmaceutical ingredients (API) and porcine insulin API. It serves hospitals, care facilities, alternate care sites, clinics, and doctors' offices. The company was founded in 1996 and is headquartered in Rancho Cucamonga, California.

Insider Activity of Amphastar Pharmaceuticals, Inc.

Over the last 12 months, insiders at Amphastar Pharmaceuticals, Inc. have bought $0 and sold $24.73M worth of Amphastar Pharmaceuticals, Inc. stock.

On average, over the past 5 years, insiders at Amphastar Pharmaceuticals, Inc. have bought $40,520 and sold $15.46M 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$336,930-6.47%
2024-11-12Saledirector
5,000
0.0107%
$48.80$243,986-6.47%
2024-11-06SaleCFO, EVP & TREASURER
7,426
0.0148%
$52.05$386,523-15.63%
2024-11-06SaleEVP CORP ADMIN CENTER
5,214
0.0104%
$52.05$271,389-15.63%
2024-09-13SaleSENIOR EVP, PRODUCTION CENTER
3,000
0.0062%
$48.26$144,785-0.79%
2024-09-05Saledirector
3,000
0.0063%
$46.47$139,417+3.92%
2024-08-26SaleSENIOR EVP, PRODUCTION CENTER
4,000
0.0083%
$48.35$193,400-1.20%
2024-08-12Saledirector
17,101
0.0347%
$43.07$736,550+9.20%
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+10.60%
2024-06-03Saledirector
500
0.001%
$42.65$21,326+7.64%
2024-05-01Saledirector
500
0.001%
$41.67$20,837+5.42%
2024-04-01Saledirector
500
0.001%
$43.43$21,714-0.44%
2024-03-06SaleCFO, EVP & TREASURER
18,136
0.0379%
$46.48$842,883-6.07%
2024-03-05Saledirector
12,500
0.026%
$47.18$589,724-8.21%
2024-03-01Saledirector
500
0.001%
$45.69$22,847-5.84%
2024-02-01Saledirector
500
0.001%
$53.10$26,548-17.57%
2024-01-10SaleCOO,Chief Scientist & Chairman
131,386
0.2735%
$54.59$7.17M-18.25%
2024-01-09SaleCOO,Chief Scientist & Chairman
86,156
0.1806%
$57.14$4.92M-21.40%

Insider Historical Profitability

22.92%
Luo Mary Z.COO,Chief Scientist & Chairman
1104416
2.297%
$44.0706
Zhou RongSENIOR EVP, PRODUCTION CENTER
118388
0.2462%
$44.07031
PETERS WILLIAM JCFO, EVP & TREASURER
94103
0.1957%
$44.07054
Petersen Floyd F.director
75409
0.1568%
$44.07159+27.09%
Liawatidewi YakobEVP CORP ADMIN CENTER
74938
0.1559%
$44.07032
PRINS RICHARD Kdirector
31471
0.0655%
$44.07241+28.12%
ZASLOFF MICHAEL Adirector
21326
0.0444%
$44.07118+29.92%
Applied Physics & Chemistry Laboratories, Inc.10 percent owner
7327679
15.2402%
$44.07011
Zhang Jack Y.CEO & Chief Scientific Officer
6827679
14.2002%
$44.07235+24.35%
Koo Richarddirector
253270
0.5268%
$44.0713+27.09%
Lee Howarddirector
142939
0.2973%
$44.07118+18.46%
Shandell Jason B.President and General Counsel
138898
0.2889%
$44.07035
Purchase Marilyn J.Corp. Exec. VP of Operations
44902
0.0934%
$44.0701
Shohet Stephen B.director
30706
0.0639%
$44.07117+27.09%
Maris Daviddirector
13151
0.0274%
$44.0710<0.0001%
Gerst Diane G.
12842
0.0267%
$44.07019
Deflin Gayledirector
2716
0.0056%
$44.0703

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
Fuller & Thaler Asset Management, Inc.$55.95M2.611.27M+0.09%+$50,979.530.25
Dimensional Fund Advisors$51.98M2.421.18M-11.6%-$6.82M0.01
Td Asset Management Inc$44.38M2.071.01M+27.35%+$9.53M0.04
Geode Capital Management$38.03M1.77866,032+2.29%+$851,092.86<0.01
Epoch Investment Partners Inc$35.06M1.63798,462+34.76%+$9.04M0.16
American Century Investments$27.16M1.27618,644+83.2%+$12.34M0.02
Boone Capital Management Llc$26.64M1.24606,688+51.67%+$9.08M5.39
Renaissance Technologies$26.31M1.23599,100-6.67%-$1.88M0.04
T. Rowe Price$25.67M1.2584,544-0.41%-$105,957.61<0.01
Northern Trust$24.62M1.15560,782-2.54%-$642,622.86<0.01
Morgan Stanley$24.55M1.14559,039-2.11%-$530,169.85<0.01
Oberweis Asset Management Inc$18.35M0.85417,865+22.81%+$3.41M1.33
Invesco$17.7M0.82403,040+0.54%+$94,450.42<0.01
Millennium Management LLC$17.57M0.82400,095+95.15%+$8.57M0.01
Bessemer Group Inc$17.39M0.81395,941+21.46%+$3.07M0.03
Charles Schwab$15.65M0.73356,405-6.08%-$1.01M<0.01
Granite Investment Partners Llc$15.49M0.72352,770-3.44%-$551,948.710.59
Mesirow Institutional Investment Management Inc$15.38M0.72350,294+38.55%+$4.28M1.37
Nordea Investment Management Ab$14.8M0.68333,014+0.36%+$53,740.050.02
BNY Mellon$12.93M0.6294,483-6.02%-$827,923.08<0.01
Point72 Asset Management$11.52M0.54262,400New+$11.52M0.02
LSV Asset Management$9.87M0.46224,768-29.23%-$4.08M0.02
Voloridge Investment Management, LLC$9.74M0.45221,800-3%-$301,617.790.04
Victory Capital Management Inc$9.34M0.44212,686-10.44%-$1.09M0.01
Goldman Sachs$8.77M0.41199,636+79.88%+$3.89M<0.01
Jacobs Levy Equity Management$8.56M0.4194,985-6.49%-$594,102.280.03
Nuveen$8.23M0.38187,491-1.24%-$103,451.96<0.01
Janus Henderson$6.99M0.33159,198-3.63%-$263,440.96<0.01
Assenagon Asset Management S.A.$6.78M0.32154,299New+$6.78M0.02
JPMorgan Chase$6.17M0.29140,454+89.23%+$2.91M<0.01
Ameriprise Financial$5.91M0.28134,629-3.32%-$203,117.10<0.01
Lam Group Inc$5.74M0.27130,8000%+$06.61
Frontier Capital Management Co$5.53M0.26125,963-1.23%-$69,114.200.05
Two Sigma Advisers LP$5.53M0.26125,900-1.18%-$65,865.000.01
Qube Research & Technologies$5.53M0.26125,835+127.12%+$3.09M0.01
Bank of America$5.51M0.26125,379-41.83%-$3.96M<0.01
Twinbeech Capital Lp$5.14M0.24117,069New+$5.14M0.1
Silvercrest Asset Management Group Inc$4.94M0.23112,428+35.05%+$1.28M0.03
Legal & General$4.71M0.22107,327+0.23%+$10,582.31<0.01
Raymond James Associates$4.31M0.298,145+5.92%+$240,890.26<0.01
Mutual Of America Capital Management Llc$4.29M0.297,683+11.31%+$435,850.710.05
Two Sigma$4.25M0.296,804+131.73%+$2.42M0.01
Portolan Capital Management$4M0.1991,005-38.68%-$2.52M0.31
RhumbLine Advisers$3.92M0.1889,193-4.85%-$199,657.67<0.01
Connor Clark & Lunn Investment Management Ltd$3.89M0.1888,552+115.12%+$2.08M0.01
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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.