AMPH Insider Trading

Insider Ownership Percentage: 27.10%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $22,585,231.65

Amphastar Pharmaceuticals Insider Trading History Chart

This chart shows the insider buying and selling history at Amphastar Pharmaceuticals by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Amphastar Pharmaceuticals Share Price & Price History

Current Price: $39.61
Price Change: Price Decrease of -0.14 (-0.35%)
As of 07/19/2024 01:00 AM ET

This chart shows the closing price history over time for AMPH up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Amphastar Pharmaceuticals Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
6/27/2024William J. PetersCFOSell3,596$40.93$147,184.2894,103View SEC Filing Icon  
6/10/2024Floyd F. PetersenDirectorSell3,000$41.40$124,200.0078,409View SEC Filing Icon  
6/3/2024Floyd F. PetersenDirectorSell500$42.65$21,325.0078,333View SEC Filing Icon  
5/1/2024Floyd F. PetersenDirectorSell500$41.67$20,835.0078,833View SEC Filing Icon  
4/1/2024Floyd F. PetersenDirectorSell500$43.43$21,715.0079,333View SEC Filing Icon  
3/5/2024Michael A. ZasloffDirectorSell12,500$47.18$589,750.0021,326View SEC Filing Icon  
3/1/2024Floyd F. PetersenDirectorSell500$45.69$22,845.0079,833View SEC Filing Icon  
2/1/2024Floyd F. PetersenDirectorSell500$53.10$26,550.0080,333View SEC Filing Icon  
1/10/2024Mary Z. LuoCOOSell131,386$54.59$7,172,361.741,104,416View SEC Filing Icon  
1/8/2024Mary Z. LuoCOOSell133,644$58.93$7,875,640.921,321,958View SEC Filing Icon  
1/2/2024Floyd F. PetersenDirectorSell500$61.37$30,685.0080,833View SEC Filing Icon  
12/4/2023Rong ZhouEVPSell3,514$59.58$209,364.12112,420View SEC Filing Icon  
12/1/2023Floyd F. PetersenDirectorSell500$57.90$28,950.0081,333View SEC Filing Icon  
12/1/2023Rong ZhouEVPSell4,316$58.58$252,831.28112,420View SEC Filing Icon  
11/17/2023Richard K. PrinsDirectorSell4,000$55.86$223,440.0031,895View SEC Filing Icon  
11/13/2023Richard K. PrinsDirectorSell5,000$52.50$262,500.0035,895View SEC Filing Icon  
11/1/2023Floyd F. PetersenDirectorSell500$45.30$22,650.0081,833View SEC Filing Icon  
10/2/2023Floyd F. PetersenDirectorSell500$45.78$22,890.0082,333View SEC Filing Icon  
9/6/2023William J. PetersCFOSell60,743$51.75$3,143,450.25101,360View SEC Filing Icon  
8/28/2023Yakob LiawatidewiEVPSell28,816$53.13$1,530,994.0869,669View SEC Filing Icon  
8/18/2023Richard K. PrinsDirectorSell2,000$52.50$105,000.0040,895View SEC Filing Icon  
8/15/2023Michael A. ZasloffDirectorSell12,759$57.22$730,069.9833,826View SEC Filing Icon  
6/15/2023Rong ZhouEVPSell5,000$51.79$258,950.0096,888View SEC Filing Icon  
6/15/2023William J. PetersCFOSell36,868$50.85$1,874,737.80105,603View SEC Filing Icon  
6/13/2023Rong ZhouEVPSell5,000$48.24$241,200.0088,313View SEC Filing Icon  
6/2/2023William J. PetersCFOSell11,000$46.35$509,850.00105,603View SEC Filing Icon  
6/1/2023Howard LeeDirectorSell16,679$45.02$750,888.58142,939View SEC Filing Icon  
5/18/2023Rong ZhouEVPSell10,000$44.20$442,000.0087,598View SEC Filing Icon  
5/18/2023William J. PetersCFOSell10,500$44.35$465,675.00105,148View SEC Filing Icon  
5/17/2023Floyd F. PetersenDirectorSell5,000$43.13$215,650.0080,117View SEC Filing Icon  
5/15/2023Michael A. ZasloffDirectorSell7,500$42.18$316,350.0043,869View SEC Filing Icon  
5/12/2023Richard K. PrinsDirectorSell5,000$42.06$210,300.0047,342View SEC Filing Icon  
4/17/2023William J. PetersCFOSell5,632$42.35$238,515.20105,148View SEC Filing Icon  
4/13/2023William J. PetersCFOSell4,868$42.35$206,159.80105,148View SEC Filing Icon  
4/13/2023Yakob LiawatidewiEVPSell11,494$41.56$477,690.6469,215View SEC Filing Icon  
4/10/2023William J. PetersCFOSell10,032$40.35$404,791.20105,148View SEC Filing Icon  
4/10/2023Yakob LiawatidewiEVPSell5,000$40.00$200,000.0069,215View SEC Filing Icon  
4/3/2023Floyd F. PetersenDirectorSell491$37.72$18,520.5285,117View SEC Filing Icon  
3/15/2023William J. PetersCFOSell12,776$36.43$465,429.68118,451View SEC Filing Icon  
3/1/2023Floyd F. PetersenDirectorSell500$36.70$18,350.0085,608View SEC Filing Icon  
2/1/2023Floyd F. PetersenDirectorSell500$30.35$15,175.0086,108View SEC Filing Icon  
12/1/2022Floyd F. PetersenDirectorSell500$30.13$15,065.0087,108View SEC Filing Icon  
10/3/2022Floyd F. PetersenDirectorSell500$28.59$14,295.0088,108View SEC Filing Icon  
8/9/2022William J. PetersCFOSell10,000$38.35$383,500.00100,480View SEC Filing Icon  
8/9/2022Yakob LiawatidewiEVPSell3,055$39.00$119,145.0061,607View SEC Filing Icon  
8/1/2022Floyd F. PetersenDirectorSell500$37.48$18,740.0089,108View SEC Filing Icon  
7/18/2022Diane G. GerstDirectorSell1,520$37.23$56,589.6012,842View SEC Filing Icon  
7/15/2022Yakob LiawatidewiEVPSell10,837$36.64$397,067.6861,607View SEC Filing Icon  
7/11/2022Diane G. GerstDirectorSell1,521$36.26$55,151.4612,842View SEC Filing Icon  
7/5/2022Diane G. GerstDirectorSell1,813$35.00$63,455.0012,842View SEC Filing Icon  
7/1/2022Floyd F. PetersenDirectorSell500$34.78$17,390.0089,608View SEC Filing Icon  
6/30/2022William J. PetersCFOSell18,386$34.95$642,590.70100,480View SEC Filing Icon  
6/17/2022William J. PetersCFOSell5,512$32.05$176,659.60100,480View SEC Filing Icon  
6/6/2022Howard LeeDirectorSell10,291$37.79$388,896.89138,776View SEC Filing Icon  
6/1/2022Floyd F. PetersenDirectorSell500$37.00$18,500.0085,945View SEC Filing Icon  
5/23/2022Howard LeeDirectorSell10,000$34.93$349,300.00138,776View SEC Filing Icon  
5/18/2022Floyd F. PetersenDirectorSell9,924$35.05$347,836.2086,445View SEC Filing Icon  
5/18/2022Jack Y. ZhangCEOSell67,046$34.14$2,288,950.442,156,523View SEC Filing Icon  
5/16/2022Michael A. ZasloffDirectorSell10,291$35.61$366,462.5147,206View SEC Filing Icon  
5/2/2022Floyd F. PetersenDirectorSell295$35.18$10,378.1076,078View SEC Filing Icon  
4/1/2022Floyd F. PetersenDirectorSell500$36.69$18,345.0076,373View SEC Filing Icon  
3/16/2022Michael A. ZasloffDirectorSell10,000$33.71$337,100.00View SEC Filing Icon  
3/15/2022William J. PetersCFOSell7,900$34.46$272,234.00View SEC Filing Icon  
3/1/2022Floyd F. PetersenDirectorSell500$27.27$13,635.00View SEC Filing Icon  
2/8/2022Rong ZhouEVPSell7,000$26.77$187,390.00View SEC Filing Icon  
2/8/2022William J. PetersCFOSell10,000$26.95$269,500.00View SEC Filing Icon  
2/1/2022Floyd F. PetersenDirectorSell500$24.08$12,040.00View SEC Filing Icon  
1/10/2022Rong ZhouEVPSell20,928$25.36$530,734.08View SEC Filing Icon  
1/10/2022William J. PetersCFOSell16,000$25.40$406,400.00View SEC Filing Icon  
1/7/2022William J. PetersCFOSell31,776$24.43$776,287.68View SEC Filing Icon  
1/3/2022Floyd F. PetersenDirectorSell500$23.22$11,610.00View SEC Filing Icon  
12/22/2021Floyd F. PetersenDirectorSell1,000$22.50$22,500.00View SEC Filing Icon  
12/21/2021William J. PetersCFOSell8,256$22.40$184,934.40View SEC Filing Icon  
12/16/2021William J. PetersCFOSell1,744$22.40$39,065.60View SEC Filing Icon  
12/10/2021Richard K. PrinsDirectorSell5,291$21.36$113,015.76View SEC Filing Icon  
11/22/2021Richard K. PrinsDirectorSell5,000$21.22$106,100.00View SEC Filing Icon  
11/11/2021Rong ZhouEVPSell7,813$21.67$169,307.71View SEC Filing Icon  
11/11/2021William J. PetersCFOSell10,000$21.33$213,300.00View SEC Filing Icon  
7/26/2021Rong ZhouEVPSell6,000$20.87$125,220.0092,244View SEC Filing Icon  
7/20/2021Rong ZhouEVPSell5,187$20.57$106,696.59View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Amphastar Pharmaceuticals (NASDAQ:AMPH)

65.09% of Amphastar Pharmaceuticals stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at AMPH by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Amphastar Pharmaceuticals Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
7/19/2024Raymond James & Associates114,719$4.59M0.0%+16.9%0.235%Search for SEC Filing on Google Icon
7/19/2024Oakworth Capital Inc.5,023$0.20M0.0%N/A0.010%Search for SEC Filing on Google Icon
7/18/2024Blue Trust Inc.1,604$70K0.0%+23.9%0.003%Search for SEC Filing on Google Icon
7/18/2024Ellsworth Advisors LLC86,391$3.46M1.0%+6.4%0.177%Search for SEC Filing on Google Icon
7/18/2024Assenagon Asset Management S.A.189,605$7.58M0.0%+22.9%0.388%Search for SEC Filing on Google Icon
7/11/2024Mendota Financial Group LLC4,504$0.18M0.1%N/A0.009%Search for SEC Filing on Google Icon
7/11/2024Juncture Wealth Strategies LLC11,220$0.45M0.2%-2.9%0.023%Search for SEC Filing on Google Icon
7/2/2024First Hawaiian Bank5,519$0.22M0.0%-5.9%0.011%Search for SEC Filing on Google Icon
5/24/2024Invst LLC5,781$0.25M0.0%N/A0.012%Search for SEC Filing on Google Icon
5/20/2024EMC Capital Management3,113$0.14M0.1%N/A0.006%Search for SEC Filing on Google Icon
5/17/2024Comerica Bank15,591$0.69M0.0%-7.0%0.032%Search for SEC Filing on Google Icon
5/17/2024Hancock Whitney Corp6,107$0.27M0.0%+58.4%0.012%Search for SEC Filing on Google Icon
5/16/2024California State Teachers Retirement System38,269$1.68M0.0%-7.0%0.078%Search for SEC Filing on Google Icon
5/16/2024Jacobs Levy Equity Management Inc.194,985$8.56M0.0%-6.5%0.399%Search for SEC Filing on Google Icon
5/16/2024Janus Henderson Group PLC159,198$6.99M0.0%-3.6%0.326%Search for SEC Filing on Google Icon
5/16/2024Silvercrest Asset Management Group LLC112,428$4.94M0.0%+35.1%0.230%Search for SEC Filing on Google Icon
5/15/2024Public Employees Retirement Association of Colorado6,049$0.27M0.0%-5.6%0.012%Search for SEC Filing on Google Icon
5/15/2024Price T Rowe Associates Inc. MD584,544$25.67M0.0%-0.4%1.195%Search for SEC Filing on Google Icon
5/15/2024Epoch Investment Partners Inc.798,462$35.06M0.2%+34.8%1.660%Search for SEC Filing on Google Icon
5/14/2024EntryPoint Capital LLC3,607$0.16M0.1%+382.2%0.007%Search for SEC Filing on Google Icon
5/14/2024CANADA LIFE ASSURANCE Co39,930$1.75M0.0%+29.3%0.083%Search for SEC Filing on Google Icon
5/14/2024American International Group Inc.20,347$0.89M0.0%-2.7%0.042%Search for SEC Filing on Google Icon
5/13/2024Bessemer Group Inc.395,941$17.39M0.0%+21.5%0.823%Search for SEC Filing on Google Icon
5/13/2024UniSuper Management Pty Ltd6,731$0.30M0.0%N/A0.014%Search for SEC Filing on Google Icon
5/11/2024Cynosure Group LLC7,254$0.32M0.1%N/A0.015%Search for SEC Filing on Google Icon
5/11/2024Hillsdale Investment Management Inc.39,279$1.73M0.1%-59.2%0.082%Search for SEC Filing on Google Icon
5/11/2024Mark Sheptoff Financial Planning LLC2,250$99K0.1%-67.9%0.005%Search for SEC Filing on Google Icon
5/10/2024Vanguard Group Inc.2,734,040$120.05M0.0%-2.9%5.685%Search for SEC Filing on Google Icon
5/9/2024State Board of Administration of Florida Retirement System5,623$0.25M0.0%-48.7%0.012%Search for SEC Filing on Google Icon
5/8/2024ProShare Advisors LLC10,973$0.48M0.0%+6.9%0.023%Search for SEC Filing on Google Icon
5/8/2024US Bancorp DE17,056$0.75M0.0%-19.7%0.035%Search for SEC Filing on Google Icon
5/8/2024Russell Investments Group Ltd.34,321$1.51M0.0%-46.1%0.071%Search for SEC Filing on Google Icon
5/7/2024Sei Investments Co.30,630$1.35M0.0%-17.8%0.064%Search for SEC Filing on Google Icon
5/7/2024Concurrent Investment Advisors LLC15,778$0.69M0.0%N/A0.033%Search for SEC Filing on Google Icon
5/7/2024Swiss National Bank75,600$3.32M0.0%-1.9%0.157%Search for SEC Filing on Google Icon
5/7/2024Mesirow Institutional Investment Management Inc.350,294$15.38M1.4%+38.5%0.728%Search for SEC Filing on Google Icon
5/6/2024Quantbot Technologies LP10,948$0.48M0.0%N/A0.023%Search for SEC Filing on Google Icon
5/6/2024LSV Asset Management224,768$9.87M0.0%-29.2%0.467%Search for SEC Filing on Google Icon
5/6/2024Texas Permanent School Fund Corp32,704$1.44M0.0%+1.3%0.068%Search for SEC Filing on Google Icon
5/4/2024Buck Wealth Strategies LLC38,318$1.68M0.6%N/A0.078%Search for SEC Filing on Google Icon
5/3/2024BI Asset Management Fondsmaeglerselskab A S12,455$0.55M0.0%+62.9%0.025%Search for SEC Filing on Google Icon
5/2/2024Mutual of America Capital Management LLC97,683$4.29M0.0%+11.3%0.200%Search for SEC Filing on Google Icon
5/2/2024Nordea Investment Management AB333,014$14.80M0.0%+0.4%0.681%Search for SEC Filing on Google Icon
5/2/2024Hussman Strategic Advisors Inc.63,000$2.77M0.6%N/A0.129%Search for SEC Filing on Google Icon
5/1/2024BNP Paribas Financial Markets61,233$2.69M0.0%-37.4%0.125%Search for SEC Filing on Google Icon
5/1/2024Mirae Asset Global Investments Co. Ltd.17,920$0.79M0.0%-2.8%0.037%Search for SEC Filing on Google Icon
5/1/2024Shariaportfolio Inc.16,019$0.70M0.4%+18.0%0.033%Search for SEC Filing on Google Icon
4/30/2024Perigon Wealth Management LLC5,215$0.23M0.0%-56.9%0.011%Search for SEC Filing on Google Icon
4/29/2024Principal Financial Group Inc.218,574$9.60M0.0%+7.7%0.447%Search for SEC Filing on Google Icon
4/29/2024China Universal Asset Management Co. Ltd.9,246$0.41M0.1%+66.8%0.019%Search for SEC Filing on Google Icon
4/26/2024Yousif Capital Management LLC13,707$0.60M0.0%-17.8%0.028%Search for SEC Filing on Google Icon
4/26/2024YHB Investment Advisors Inc.625$27K0.0%N/A0.001%Search for SEC Filing on Google Icon
4/25/2024New York State Teachers Retirement System30,855$1.36M0.0%+12.9%0.063%Search for SEC Filing on Google Icon
4/24/2024Assenagon Asset Management S.A.154,299$6.78M0.0%N/A0.316%Search for SEC Filing on Google Icon
4/23/2024Nations Financial Group Inc. IA ADV14,923$0.66M0.1%+2.7%0.031%Search for SEC Filing on Google Icon
4/18/2024Allspring Global Investments Holdings LLC64,564$2.84M0.0%+61.9%0.132%Search for SEC Filing on Google Icon
4/17/2024Guidance Capital Inc.8,417$0.34M0.1%+12.6%0.017%Search for SEC Filing on Google Icon
4/17/2024Hennion & Walsh Asset Management Inc.8,234$0.36M0.0%-26.8%0.017%Search for SEC Filing on Google Icon
4/12/2024Annex Advisory Services LLC14,777$0.65M0.0%+6.6%0.031%Search for SEC Filing on Google Icon
4/12/2024Bridge City Capital LLC34,773$1.53M0.6%+0.8%0.072%Search for SEC Filing on Google Icon
4/5/2024Juncture Wealth Strategies LLC11,560$0.51M0.2%-38.5%0.024%Search for SEC Filing on Google Icon
3/15/2024B. Riley Wealth Advisors Inc.6,628$0.41M0.0%N/A0.014%Search for SEC Filing on Google Icon
3/11/2024Vanguard Group Inc.2,815,596$174.15M0.0%+1.7%5.854%Search for SEC Filing on Google Icon
3/4/2024Tucker Asset Management LLC27,956$1.73M0.4%-3.4%0.058%Search for SEC Filing on Google Icon
2/23/2024Cim LLC9,245$0.57M0.1%N/A0.019%Search for SEC Filing on Google Icon
2/15/2024Boone Capital Management LLC400,000$24.74M5.8%N/A0.835%Search for SEC Filing on Google Icon
2/15/2024Comerica Bank16,770$1.04M0.0%+3.8%0.035%Search for SEC Filing on Google Icon
2/14/2024Shariaportfolio Inc.13,574$0.84M0.6%+8.5%0.028%Search for SEC Filing on Google Icon
2/14/2024Seven Eight Capital LP12,948$0.80M0.1%N/A0.027%Search for SEC Filing on Google Icon
2/13/2024Epoch Investment Partners Inc.592,530$36.65M0.2%+348.7%1.237%Search for SEC Filing on Google Icon
2/13/2024Annex Advisory Services LLC13,860$0.86M0.0%+213.2%0.029%Search for SEC Filing on Google Icon
2/12/2024Eagle Asset Management Inc.36,042$2.23M0.0%-4.4%0.075%Search for SEC Filing on Google Icon
2/12/2024TD Asset Management Inc793,559$49.08M0.0%+449.0%1.656%Search for SEC Filing on Google Icon
2/9/2024Nations Financial Group Inc. IA ADV14,524$0.90M0.1%+37.8%0.030%Search for SEC Filing on Google Icon
2/9/2024AXS Investments LLC8,000$0.50M0.1%N/A0.017%Search for SEC Filing on Google Icon
2/9/2024Mark Sheptoff Financial Planning LLC7,000$0.43M0.3%+2,233.3%0.015%Search for SEC Filing on Google Icon
2/9/2024US Bancorp DE21,248$1.31M0.0%+2,648.8%0.044%Search for SEC Filing on Google Icon
2/9/2024Franklin Resources Inc.26,564$1.64M0.0%-0.7%0.055%Search for SEC Filing on Google Icon
2/9/2024Assetmark Inc.35,787$2.21M0.0%+14.7%0.075%Search for SEC Filing on Google Icon
2/9/2024Renaissance Group LLC48,419$3.01M0.1%+6.4%0.101%Search for SEC Filing on Google Icon
2/9/2024Trexquant Investment LP38,959$2.41M0.1%N/A0.081%Search for SEC Filing on Google Icon
2/9/2024Corient Private Wealth LLC15,400$0.95M0.0%-24.3%0.032%Search for SEC Filing on Google Icon
2/9/2024D.A. Davidson & CO.26,624$1.65M0.0%-0.8%0.056%Search for SEC Filing on Google Icon
2/9/2024Thoroughbred Financial Services LLC13,095$0.81M0.1%+191.8%0.027%Search for SEC Filing on Google Icon
2/9/2024Hillsdale Investment Management Inc.96,353$5.96M0.5%-0.2%0.201%Search for SEC Filing on Google Icon
2/9/2024BI Asset Management Fondsmaeglerselskab A S7,644$0.47M0.0%N/A0.016%Search for SEC Filing on Google Icon
2/8/2024Navellier & Associates Inc.7,727$0.48M0.1%N/A0.016%Search for SEC Filing on Google Icon
2/8/2024Quadrant Capital Group LLC1,026$63K0.0%+27.8%0.002%Search for SEC Filing on Google Icon
2/8/2024Janney Montgomery Scott LLC10,368$0.64M0.0%N/A0.022%Search for SEC Filing on Google Icon
2/7/2024Principal Financial Group Inc.202,953$12.55M0.0%-3.4%0.424%Search for SEC Filing on Google Icon
2/7/2024Dimensional Fund Advisors LP1,339,142$82.83M0.0%-29.1%2.795%Search for SEC Filing on Google Icon
2/7/2024BNP Paribas Financial Markets97,806$6.05M0.0%-20.1%0.204%Search for SEC Filing on Google Icon
2/7/2024Teacher Retirement System of Texas9,025$0.56M0.0%-17.7%0.019%Search for SEC Filing on Google Icon
2/7/2024Mesirow Institutional Investment Management Inc.252,831$15.64M1.5%+37.6%0.528%Search for SEC Filing on Google Icon
2/7/2024Principal Securities Inc.548$34K0.0%N/A0.001%Search for SEC Filing on Google Icon
2/6/2024Charles Schwab Investment Management Inc.379,480$23.47M0.0%+7.7%0.792%Search for SEC Filing on Google Icon
2/6/2024Lisanti Capital Growth LLC40,770$2.52M0.6%+61.9%0.085%Search for SEC Filing on Google Icon
2/6/2024Maryland State Retirement & Pension System13,581$0.84M0.0%-3.2%0.028%Search for SEC Filing on Google Icon
2/6/2024Gallacher Capital Management LLC5,750$0.36M0.2%N/A0.012%Search for SEC Filing on Google Icon
2/6/2024LSV Asset Management317,600$19.64M0.0%+49.6%0.663%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Amphastar Pharmaceuticals logo
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. It offers BAQSIMI, a nasal spray for the treatment of severe hypoglycemia; Primatene Mist, an over-the-counter epinephrine inhalation product for the temporary relief of mild symptoms of intermittent asthma; Enoxaparin, to prevent and treat deep vein thrombosis; REXTOVY and Naloxone for opioid overdose; Glucagon for injection emergency kit; and Cortrosyn, for use as a diagnostic agent in the screening of patients with adrenocortical insufficiency. The company provides Amphadase, an injection to absorb and disperse other injected drugs; Epinephrine injection for 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; 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; Isoproterenol hydrochloride injection for mild or transient episodes of heart block; Ganirelix Acetate injection for the inhibition of premature luteinizing hormone surges; Vasopressin to increase blood pressure; and Regadenoson, a stress agent for radionuclide myocardial perfusion imaging. Further, the company distributes recombinant human insulin APIs and porcine insulin API. Additionally, it develops generic product candidates, such as injectable, inhalation, and analytical technologies; biosimial product candidates; and intranasal epinephrine for the treatment of allergic reactions. The company was founded in 1996 and is headquartered in Rancho Cucamonga, California.
Read More on Amphastar Pharmaceuticals

Today's Range

Now: $39.61
Low: $39.57
High: $40.37

50 Day Range

MA: $40.63
Low: $36.99
High: $43.48

52 Week Range

Now: $39.61
Low: $36.56
High: $67.66

Volume

314,430 shs

Average Volume

396,495 shs

Market Capitalization

$1.94 billion

P/E Ratio

13.71

Dividend Yield

N/A

Beta

0.79

Who are the company insiders with the largest holdings of Amphastar Pharmaceuticals?

Amphastar Pharmaceuticals' top insider shareholders include:
  1. Mary Z Luo (COO)
  2. Howard Lee (Director)
  3. William J Peters (CFO)
  4. Rong Zhou (EVP)
  5. Floyd F Petersen (Director)
  6. Yakob Liawatidewi (EVP)
  7. Richard K Prins (Director)
  8. Michael A Zasloff (Director)
Learn More about top insider investors at Amphastar Pharmaceuticals.

Who are the major institutional investors of Amphastar Pharmaceuticals?

Amphastar Pharmaceuticals' top institutional shareholders include:
  1. Assenagon Asset Management S.A. — 0.39%
  2. Raymond James & Associates — 0.23%
  3. Ellsworth Advisors LLC — 0.18%
  4. Juncture Wealth Strategies LLC — 0.02%
  5. First Hawaiian Bank — 0.01%
  6. Oakworth Capital Inc. — 0.01%
Learn More about top institutional investors of Amphastar Pharmaceuticals stock.

Which institutional investors are selling Amphastar Pharmaceuticals stock?

During the previous quarter, AMPH stock was sold by these institutional investors:
  1. First Hawaiian Bank
  2. Juncture Wealth Strategies LLC
In the last year, company insiders that have sold Amphastar Pharmaceuticals company stock include:
  1. Mary Z Luo (COO)
  2. Howard Lee (Director)
  3. William J Peters (CFO)
  4. Rong Zhou (EVP)
  5. Floyd F Petersen (Director)
  6. Yakob Liawatidewi (EVP)
  7. Richard K Prins (Director)
Learn More investors selling Amphastar Pharmaceuticals stock.

Which institutional investors are buying Amphastar Pharmaceuticals stock?

During the last quarter, AMPH stock was bought by institutional investors including:
  1. Assenagon Asset Management S.A.
  2. Raymond James & Associates
  3. Ellsworth Advisors LLC
  4. Oakworth Capital Inc.
  5. Mendota Financial Group LLC
  6. Blue Trust Inc.