William J. Peters net worth and biography

William Peters Biography and Net Worth

Bill Peters has served as our Chief Financial Officer, Treasurer since April 2014,  and President of International Medication Systems, Ltd. since March 2016 (Amphastar’s subsidiary). Mr. Peters previously served as Executive Vice President and Chief Financial Officer of Hi-Tech Pharmacal Co., Inc., or Hi-Tech, from August 2013 to April 2014 and Vice President and Chief Financial Officer at Hi-Tech from May 2004 to August 2013. From September 2003 to May 2004 he was Vice President of Corporate Development at Hi-Tech. From 2001 to 2003 Mr. Peters was the Director, Financial Evaluations for the Medco Health Solution subsidiary of Merck & Co., Inc., or Merck & Co., and Manager of Corporate Financial Analysis and Pharmaceutical Economics at Merck & Co. from 1998 to 2001. During his seven year career at Merck & Co., he also served as Manager of Treasury Planning and Analysis. He began his career in General Electric’s Financial Management Program at its Aerospace division, where he later held positions in financial analysis and internal auditing. He earned an M.B.A. from Wharton School of Business, University of Pennsylvania and a B.S. in Business Administration from Bucknell University.

What is William J. Peters' net worth?

The estimated net worth of William J. Peters is at least $4.37 million as of March 15th, 2023. Mr. Peters owns 118,451 shares of Amphastar Pharmaceuticals stock worth more than $4,372,026 as of March 24th. This net worth evaluation does not reflect any other assets that Mr. Peters may own. Learn More about William J. Peters' net worth.

What is William J. Peters' salary?

As the CFO of Amphastar Pharmaceuticals, Inc., Mr. Peters earned a total compensation package of $2,440,648.00 in 2021. Mr. Peters earned a salary of $572,135.00, a bonus of $261,408.00, stock awards of $664,388.00, options awards of $664,427.00, non-equity compensation of $226,000.00, and other compensation of $52,290.00. Learn More on William J. Peters' salary.

How do I contact William J. Peters?

The corporate mailing address for Mr. Peters and other Amphastar Pharmaceuticals executives is 11570 SIXTH STREET, RANCHO CUCAMONGA CA, 91730. Amphastar Pharmaceuticals can also be reached via phone at (909) 980-9484 and via email at [email protected] Learn More on William J. Peters' contact information.

Has William J. Peters been buying or selling shares of Amphastar Pharmaceuticals?

During the last quarter, William J. Peters has sold $465,429.68 of Amphastar Pharmaceuticals stock. Most recently, William J. Peters sold 12,776 shares of the business's stock in a transaction on Wednesday, March 15th. The shares were sold at an average price of $36.43, for a transaction totalling $465,429.68. Following the completion of the sale, the chief financial officer now directly owns 118,451 shares of the company's stock, valued at $4,315,169.93. Learn More on William J. Peters' trading history.

Who are Amphastar Pharmaceuticals' active insiders?

Amphastar Pharmaceuticals' insider roster includes Richard Koo (Director), Howard Lee (Director), Yakob Liawatidewi (EVP), Ziping Luo (Chairman), William Peters (CFO), Floyd Petersen (Director), Richard Prins (Director), Michael Zasloff (Director), Yongfeng Zhang (Co-Founder), and Rong Zhou (EVP). Learn More on Amphastar Pharmaceuticals' active insiders.

Are insiders buying or selling shares of Amphastar Pharmaceuticals?

In the last year, insiders at the sold shares 23 times. They sold a total of 177,267 shares worth more than $6,247,272.86. The most recent insider tranaction occured on March, 15th when CFO William J Peters sold 12,776 shares worth more than $465,429.68. Insiders at Amphastar Pharmaceuticals own 27.8% of the company. Learn More about insider trades at Amphastar Pharmaceuticals.

Information on this page was last updated on 3/15/2023.

William J. Peters Insider Trading History at Amphastar Pharmaceuticals

Transaction DateBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
3/15/2023Sell12,776$36.43$465,429.68118,451View SEC Filing Icon  
8/9/2022Sell10,000$38.35$383,500.00100,480View SEC Filing Icon  
6/30/2022Sell18,386$34.95$642,590.70100,480View SEC Filing Icon  
6/17/2022Sell5,512$32.05$176,659.60100,480View SEC Filing Icon  
3/15/2022Sell7,900$34.46$272,234.00View SEC Filing Icon  
2/8/2022Sell10,000$26.95$269,500.00View SEC Filing Icon  
1/10/2022Sell16,000$25.40$406,400.00View SEC Filing Icon  
1/7/2022Sell31,776$24.43$776,287.68View SEC Filing Icon  
12/21/2021Sell8,256$22.40$184,934.40View SEC Filing Icon  
12/16/2021Sell1,744$22.40$39,065.60View SEC Filing Icon  
11/11/2021Sell10,000$21.33$213,300.00View SEC Filing Icon  
7/7/2021Sell10,000$20.37$203,700.00View SEC Filing Icon  
3/15/2021Sell4,244$19.03$80,763.3285,304View SEC Filing Icon  
1/19/2021Sell6,495$18.67$121,261.65View SEC Filing Icon  
8/14/2020Sell5,512$20.36$112,224.3295,652View SEC Filing Icon  
7/6/2020Sell13,656$22.00$300,432.00View SEC Filing Icon  
3/13/2020Sell4,701$13.94$65,531.9476,011View SEC Filing Icon  
1/21/2020Sell3,990$20.07$80,079.30View SEC Filing Icon  
9/16/2019Sell9,800$21.76$213,248.0092,253View SEC Filing Icon  
8/15/2019Sell4,942$21.00$103,782.00View SEC Filing Icon  
3/4/2019Sell1,500$25.36$38,040.0077,050View SEC Filing Icon  
2/15/2019Sell10,016$24.37$244,089.9285,566View SEC Filing Icon  
1/2/2019Sell3,245$19.52$63,342.4075,550View SEC Filing Icon  
12/3/2018Sell10,000$22.40$224,000.00133,381View SEC Filing Icon  
11/12/2018Sell38,484$20.74$798,158.16106,636View SEC Filing Icon  
11/9/2018Sell10,000$21.47$214,700.00106,636View SEC Filing Icon  
8/16/2018Sell2,407$17.59$42,339.1386,836View SEC Filing Icon  
7/9/2018Sell3,250$16.46$53,495.00View SEC Filing Icon  
3/13/2018Sell19,801$20.10$398,000.10View SEC Filing Icon  
12/1/2017Sell6,226$19.67$122,465.42View SEC Filing Icon  
10/13/2017Sell3,026$18.56$56,162.56View SEC Filing Icon  
8/12/2016Sell1,027$18.19$18,681.1363,625View SEC Filing Icon  
7/18/2016Sell2,297$17.76$40,794.7264,652View SEC Filing Icon  
6/2/2016Sell2,297$16.00$36,752.0066,949View SEC Filing Icon  
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William J. Peters Buying and Selling Activity at Amphastar Pharmaceuticals

This chart shows William J Peters's buying and selling at Amphastar Pharmaceuticals by year and by quarter.

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Amphastar Pharmaceuticals Company Overview

Amphastar Pharmaceuticals logo
Amphastar Pharmaceuticals, Inc. engages in developing, manufacturing, marketing, and selling technically challenging generic and proprietary injectable, inhalation, and intranasal products, and insulin active pharmaceutical ingredient. It operates through Finished Pharmaceutical Products and Active Pharmaceutical Ingredients Products segments. The Finished Pharmaceutical Products segment manufactures, markets, and distributes Primatene Mist, enoxaparin, naloxone, phytonadione, lidocaine, and other critical and non-critical care drugs. The Active Pharmaceutical Ingredients Products segment offers RHI API and porcine insulin API for external customers and internal product development. The company was founded by Zi-Ping Luo and Yong Feng Zhang on February 29, 1996 and is headquartered in Rancho Cucamonga, CA.
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Today's Range

Now: $36.91
Low: $36.66
High: $37.38

50 Day Range

MA: $32.84
Low: $28.70
High: $37.60

2 Week Range

Now: $36.91
Low: $26.76
High: $44.46


218,809 shs

Average Volume

402,528 shs

Market Capitalization

$1.77 billion

P/E Ratio


Dividend Yield