Joseph R. Massaro net worth and biography

Joseph Massaro Biography and Net Worth

Director of Avantor

Mr. Massaro has served on our Board since 2021 and is Chair of the Audit & Finance Committee. Mr. Massaro currently serves as Chief Financial Officer and Senior Vice President, Business Operations for Aptiv PLC, a position he has held since September 2016. Prior to that, Mr. Massaro held several senior executive positions at Aptiv including Vice President and Corporate Controller. He also previously served as Chief Financial Officer at inVentiv Health and as a Managing Director at Liberty Lane. Mr. Massaro earned an MBA and a master of science in accounting from Northeastern University. He holds a bachelor of science in finance and economics from Bentley University.

Mr. Massaro’s senior leadership experience, including as a chief financial officer, and his expertise in international business transactions, strategy and financial accounting (including qualification as an audit committee financial expert), along with his independence, make him a valuable member of our Board.

What is Joseph R. Massaro's net worth?: The estimated net worth of Joseph R. Massaro is at least $386.29 thousand as of April 29th, 2025. Mr. Massaro owns 35,038 shares of Avantor stock worth more than $386,294 as of December 4th. This net worth estimate does not reflect any other investments that Mr. Massaro may own. Learn More about Joseph R. Massaro's net worth.
How do I contact Joseph R. Massaro?: The corporate mailing address for Mr. Massaro and other Avantor executives is BUILDING ONE SUITE 200 100 MATSONFORD ROAD, RADNOR PA, 19087. Avantor can also be reached via phone at (610) 386-1700 and via email at [email protected]. Learn More on Joseph R. Massaro's contact information.
Has Joseph R. Massaro been buying or selling shares of Avantor?: Joseph R. Massaro has not been actively trading shares of Avantor over the course of the past ninety days. Most recently, on Tuesday, April 29th, Joseph R. Massaro bought 8,100 shares of Avantor stock. The stock was acquired at an average cost of $12.30 per share, with a total value of $99,630.00. Following the completion of the transaction, the director now directly owns 35,038 shares of the company's stock, valued at $430,967.40. Learn More on Joseph R. Massaro's trading history.
Who are Avantor's active insiders?: Avantor's insider roster includes James Bramwell (EVP), Gerard Brophy (EVP), Christophe Couturier (EVP), Steven Eck (CAO), Rajiv Gupta (Director), Joseph Massaro (Director), Justin Miller (EVP), Jo Natauri (Director), Devashish Ohri (EVP), Christi Shaw (Director), Michael Stubblefield (President, CEO & Director), Gregory Summe (Director), Thomas Szlosek (CFO), Frederic Vanderhaegen (EVP), and Michael Wondrasch (EVP). Learn More on Avantor's active insiders.
Are insiders buying or selling shares of Avantor?: In the last twelve months, Avantor insiders bought shares 5 times. They purchased a total of 183,100 shares worth more than $2,152,630.00. In the last twelve months, insiders at the sold shares 3 times. They sold a total of 12,141 shares worth more than $191,489.09. The most recent insider tranaction occured on October, 30th when Director Gregory L Summe bought 100,000 shares worth more than $1,125,000.00. Insiders at Avantor own 1.2% of the company. Learn More about insider trades at Avantor.
Information on this page was last updated on 10/30/2025.

Joseph R. Massaro Insider Trading History at Avantor

Transaction Date	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction	Details
4/29/2025	Buy	8,100	$12.30	$99,630.00	35,038

Joseph R. Massaro Buying and Selling Activity at Avantor

Avantor Company Overview

Avantor, Inc. engages in the provision of mission-critical products and services to customers in the biopharma, healthcare, education and government, advanced technologies, and applied materials industries in the Americas, Europe, Asia, the Middle East, and Africa. The company offers materials and consumables, such as purity chemicals and reagents, lab products and supplies, formulated silicone materials, customized excipients, customized single-use assemblies, process chromatography resins and columns, analytical sample prep kits, education and microbiology products, clinical trial kits, peristaltic pumps, and fluid handling tips. It also provides equipment and instrumentation products, including filtration systems, virus inactivation systems, incubators, analytical instruments, evaporators, ultra-low-temperature freezers, biological safety cabinets, and critical environment supplies. In addition, the company offers services and specialty procurements comprising onsite lab and production, clinical, equipment, procurement and sourcing, and biopharmaceutical material scale-up and development services. Further, it provides scientific research support services, such as DNA extraction, bioreactor servicing, clinical and biorepository, and compound management services. The company was founded in 1904 and is headquartered in Radnor, Pennsylvania.

Today's Range

Now: $11.14

$10.97

$11.33

50 Day Range

MA: $12.68

$10.89

$15.61

2 Week Range

Now: $11.14

$10.82

$23.32

Volume

8,739,006 shs

Average Volume

7,631,528 shs

Market Capitalization

$7.59 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.93