Amphastar Pharmaceuticals, Inc. (AMPH)
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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.
| 2024-11-12 | Sale | SENIOR EVP, PRODUCTION CENTER | 6,893 0.0147% | $48.88 | $336,930 | -6.47% | ||
| 2024-11-12 | Sale | director | 5,000 0.0107% | $48.80 | $243,986 | -6.47% | ||
| 2024-11-06 | Sale | CFO, EVP & TREASURER | 7,426 0.0148% | $52.05 | $386,523 | -15.63% | ||
| 2024-11-06 | Sale | EVP CORP ADMIN CENTER | 5,214 0.0104% | $52.05 | $271,389 | -15.63% | ||
| 2024-09-13 | Sale | SENIOR EVP, PRODUCTION CENTER | 3,000 0.0062% | $48.26 | $144,785 | -0.79% | ||
| 2024-09-05 | Sale | director | 3,000 0.0063% | $46.47 | $139,417 | +3.92% | ||
| 2024-08-26 | Sale | SENIOR EVP, PRODUCTION CENTER | 4,000 0.0083% | $48.35 | $193,400 | -1.20% | ||
| 2024-08-12 | Sale | director | 17,101 0.0347% | $43.07 | $736,550 | +9.20% | ||
| 2024-07-31 | Sale | CFO, EVP & TREASURER | 10,282 0.0214% | $44.23 | $454,773 | 0.00% | ||
| 2024-06-27 | Sale | CFO, EVP & TREASURER | 3,596 0.0075% | $40.93 | $147,169 | 0.00% | ||
| 2024-06-10 | Sale | director | 3,000 0.0061% | $41.40 | $124,200 | +10.60% | ||
| 2024-06-03 | Sale | director | 500 0.001% | $42.65 | $21,326 | +7.64% | ||
| 2024-05-01 | Sale | director | 500 0.001% | $41.67 | $20,837 | +5.42% | ||
| 2024-04-01 | Sale | director | 500 0.001% | $43.43 | $21,714 | -0.44% | ||
| 2024-03-06 | Sale | CFO, EVP & TREASURER | 18,136 0.0379% | $46.48 | $842,883 | -6.07% | ||
| 2024-03-05 | Sale | director | 12,500 0.026% | $47.18 | $589,724 | -8.21% | ||
| 2024-03-01 | Sale | director | 500 0.001% | $45.69 | $22,847 | -5.84% | ||
| 2024-02-01 | Sale | director | 500 0.001% | $53.10 | $26,548 | -17.57% | ||
| 2024-01-10 | Sale | COO,Chief Scientist & Chairman | 131,386 0.2735% | $54.59 | $7.17M | -18.25% | ||
| 2024-01-09 | Sale | COO,Chief Scientist & Chairman | 86,156 0.1806% | $57.14 | $4.92M | -21.40% |
Insider Historical Profitability
| Luo Mary Z. | COO,Chief Scientist & Chairman | 1104416 2.297% | $44.07 | 0 | 6 | |
| Zhou Rong | SENIOR EVP, PRODUCTION CENTER | 118388 0.2462% | $44.07 | 0 | 31 | |
| PETERS WILLIAM J | CFO, EVP & TREASURER | 94103 0.1957% | $44.07 | 0 | 54 | |
| Petersen Floyd F. | director | 75409 0.1568% | $44.07 | 1 | 59 | +27.09% |
| Liawatidewi Yakob | EVP CORP ADMIN CENTER | 74938 0.1559% | $44.07 | 0 | 32 | |
| PRINS RICHARD K | director | 31471 0.0655% | $44.07 | 2 | 41 | +28.12% |
| ZASLOFF MICHAEL A | director | 21326 0.0444% | $44.07 | 1 | 18 | +29.92% |
| Applied Physics & Chemistry Laboratories, Inc. | 10 percent owner | 7327679 15.2402% | $44.07 | 0 | 11 | |
| Zhang Jack Y. | CEO & Chief Scientific Officer | 6827679 14.2002% | $44.07 | 2 | 35 | +24.35% |
| Koo Richard | director | 253270 0.5268% | $44.07 | 1 | 3 | +27.09% |
| Lee Howard | director | 142939 0.2973% | $44.07 | 1 | 18 | +18.46% |
| Shandell Jason B. | President and General Counsel | 138898 0.2889% | $44.07 | 0 | 35 | |
| Purchase Marilyn J. | Corp. Exec. VP of Operations | 44902 0.0934% | $44.07 | 0 | 1 | |
| Shohet Stephen B. | director | 30706 0.0639% | $44.07 | 1 | 17 | +27.09% |
| Maris David | director | 13151 0.0274% | $44.07 | 1 | 0 | <0.0001% |
| Gerst Diane G. | 12842 0.0267% | $44.07 | 0 | 19 | ||
| Deflin Gayle | director | 2716 0.0056% | $44.07 | 0 | 3 |
Institutional Investor Ownership
| BlackRock | $266.93M | 12.43 | 6.08M | +0.69% | +$1.84M | 0.01 | |
| The Vanguard Group | $120.05M | 5.59 | 2.73M | -2.9% | -$3.58M | <0.01 | |
| Federated Hermes | $91.21M | 4.25 | 2.08M | -36.53% | -$52.5M | 0.21 | |
| Neuberger Berman | $72.88M | 3.39 | 1.66M | -1.96% | -$1.46M | 0.06 | |
| State Street | $66.49M | 3.1 | 1.51M | +2.93% | +$1.89M | <0.01 | |
| Fuller & Thaler Asset Management, Inc. | $55.95M | 2.61 | 1.27M | +0.09% | +$50,979.53 | 0.25 | |
| Dimensional Fund Advisors | $51.98M | 2.42 | 1.18M | -11.6% | -$6.82M | 0.01 | |
| Td Asset Management Inc | $44.38M | 2.07 | 1.01M | +27.35% | +$9.53M | 0.04 | |
| Geode Capital Management | $38.03M | 1.77 | 866,032 | +2.29% | +$851,092.86 | <0.01 | |
| Epoch Investment Partners Inc | $35.06M | 1.63 | 798,462 | +34.76% | +$9.04M | 0.16 | |
| American Century Investments | $27.16M | 1.27 | 618,644 | +83.2% | +$12.34M | 0.02 | |
| Boone Capital Management Llc | $26.64M | 1.24 | 606,688 | +51.67% | +$9.08M | 5.39 | |
| Renaissance Technologies | $26.31M | 1.23 | 599,100 | -6.67% | -$1.88M | 0.04 | |
| T. Rowe Price | $25.67M | 1.2 | 584,544 | -0.41% | -$105,957.61 | <0.01 | |
| Northern Trust | $24.62M | 1.15 | 560,782 | -2.54% | -$642,622.86 | <0.01 | |
| Morgan Stanley | $24.55M | 1.14 | 559,039 | -2.11% | -$530,169.85 | <0.01 | |
| Oberweis Asset Management Inc | $18.35M | 0.85 | 417,865 | +22.81% | +$3.41M | 1.33 | |
| Invesco | $17.7M | 0.82 | 403,040 | +0.54% | +$94,450.42 | <0.01 | |
| Millennium Management LLC | $17.57M | 0.82 | 400,095 | +95.15% | +$8.57M | 0.01 | |
| Bessemer Group Inc | $17.39M | 0.81 | 395,941 | +21.46% | +$3.07M | 0.03 | |
| Charles Schwab | $15.65M | 0.73 | 356,405 | -6.08% | -$1.01M | <0.01 | |
| Granite Investment Partners Llc | $15.49M | 0.72 | 352,770 | -3.44% | -$551,948.71 | 0.59 | |
| Mesirow Institutional Investment Management Inc | $15.38M | 0.72 | 350,294 | +38.55% | +$4.28M | 1.37 | |
| Nordea Investment Management Ab | $14.8M | 0.68 | 333,014 | +0.36% | +$53,740.05 | 0.02 | |
| BNY Mellon | $12.93M | 0.6 | 294,483 | -6.02% | -$827,923.08 | <0.01 | |
| Point72 Asset Management | $11.52M | 0.54 | 262,400 | New | +$11.52M | 0.02 | |
| LSV Asset Management | $9.87M | 0.46 | 224,768 | -29.23% | -$4.08M | 0.02 | |
| Voloridge Investment Management, LLC | $9.74M | 0.45 | 221,800 | -3% | -$301,617.79 | 0.04 | |
| Victory Capital Management Inc | $9.34M | 0.44 | 212,686 | -10.44% | -$1.09M | 0.01 | |
| Goldman Sachs | $8.77M | 0.41 | 199,636 | +79.88% | +$3.89M | <0.01 | |
| Jacobs Levy Equity Management | $8.56M | 0.4 | 194,985 | -6.49% | -$594,102.28 | 0.03 | |
| Nuveen | $8.23M | 0.38 | 187,491 | -1.24% | -$103,451.96 | <0.01 | |
| Janus Henderson | $6.99M | 0.33 | 159,198 | -3.63% | -$263,440.96 | <0.01 | |
| Assenagon Asset Management S.A. | $6.78M | 0.32 | 154,299 | New | +$6.78M | 0.02 | |
| JPMorgan Chase | $6.17M | 0.29 | 140,454 | +89.23% | +$2.91M | <0.01 | |
| Ameriprise Financial | $5.91M | 0.28 | 134,629 | -3.32% | -$203,117.10 | <0.01 | |
| Lam Group Inc | $5.74M | 0.27 | 130,800 | 0% | +$0 | 6.61 | |
| Frontier Capital Management Co | $5.53M | 0.26 | 125,963 | -1.23% | -$69,114.20 | 0.05 | |
| Two Sigma Advisers LP | $5.53M | 0.26 | 125,900 | -1.18% | -$65,865.00 | 0.01 | |
| Qube Research & Technologies | $5.53M | 0.26 | 125,835 | +127.12% | +$3.09M | 0.01 | |
| Bank of America | $5.51M | 0.26 | 125,379 | -41.83% | -$3.96M | <0.01 | |
| Twinbeech Capital Lp | $5.14M | 0.24 | 117,069 | New | +$5.14M | 0.1 | |
| Silvercrest Asset Management Group Inc | $4.94M | 0.23 | 112,428 | +35.05% | +$1.28M | 0.03 | |
| Legal & General | $4.71M | 0.22 | 107,327 | +0.23% | +$10,582.31 | <0.01 | |
| Raymond James Associates | $4.31M | 0.2 | 98,145 | +5.92% | +$240,890.26 | <0.01 | |
| Mutual Of America Capital Management Llc | $4.29M | 0.2 | 97,683 | +11.31% | +$435,850.71 | 0.05 | |
| Two Sigma | $4.25M | 0.2 | 96,804 | +131.73% | +$2.42M | 0.01 | |
| Portolan Capital Management | $4M | 0.19 | 91,005 | -38.68% | -$2.52M | 0.31 | |
| RhumbLine Advisers | $3.92M | 0.18 | 89,193 | -4.85% | -$199,657.67 | <0.01 | |
| Connor Clark & Lunn Investment Management Ltd | $3.89M | 0.18 | 88,552 | +115.12% | +$2.08M | 0.01 |