Simon Dingemans Biography and Net Worth

Director of Avantor

Mr. Dingemans joined our Board in January 2026. Most recently, he served as a Senior Advisor to The Carlyle Group, supporting healthcare and portfolio value-creation initiatives, and previously held roles as Managing Director and Partner for Carlyle’s UK Buyouts team. Prior to joining Carlyle, Mr. Dingemans served as Chief Financial Officer and Main Board Director of GlaxoSmithKline plc, where he led the global finance organization, business services, technology modernization programs and major strategic transactions that reshaped the company’s portfolio. Earlier in his career, he spent 15 years at Goldman Sachs International, where he held leadership roles overseeing the UK investment banking and European mergers businesses, advising leading global companies across multiple industries on mergers, acquisitions and strategic financings. His career began at SG Warburg, where he held roles of increasing responsibility in investment banking. Over his career, Mr. Dingemans has served on the boards of several public and private companies, including Vodafone Group Plc, where he chairs the Audit and Risk Committee; WPP plc, where he serves on the Audit Committee; Calastone Ltd; and Genomics plc, where he also serves as Non-Executive Chairman. He holds both a master’s degree and a bachelor’s degree in geography from the University of Oxford.

Mr. Dingemans’ extensive leadership experience across global healthcare and financial institutions, combined with his expertise in finance, strategy, capital allocation and organizational transformation, along with his independence, makes him a valuable member of our Board.

What is Simon Dingemans' net worth?: The estimated net worth of Simon Dingemans is at least $211.23 thousand as of May 1st, 2026. Dingemans owns 25,000 shares of Avantor stock worth more than $211,225 as of May 6th. This net worth evaluation does not reflect any other investments that Dingemans may own. Learn More about Simon Dingemans' net worth.
How do I contact Simon Dingemans?: The corporate mailing address for Dingemans 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 Simon Dingemans' contact information.
Has Simon Dingemans been buying or selling shares of Avantor?: During the last ninety days, Simon Dingemans has bought $203,500.00 of Avantor stock. Most recently, on Friday, May 1st, Simon Dingemans bought 25,000 shares of Avantor stock. The stock was acquired at an average cost of $8.14 per share, with a total value of $203,500.00. Following the completion of the transaction, the director now directly owns 25,000 shares of the company's stock, valued at $203,500. Learn More on Simon Dingemans' trading history.
Who are Avantor's active insiders?: Avantor's insider roster includes James Bramwell (EVP), Gerard Brophy (EVP), Christophe Couturier (EVP), Simon Dingemans (Director), Steven Eck (CAO), Rajiv Gupta (Director), Gregory Lucier (Director), Joseph Massaro (Director), Sanjeev Mehra (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 9 times. They purchased a total of 825,000 shares worth more than $8,537,250.00. In the last twelve months, insiders at the sold shares 1 times. They sold a total of 3,476 shares worth more than $39,591.64. The most recent insider tranaction occured on May, 1st when Director Simon Dingemans bought 25,000 shares worth more than $203,500.00. Insiders at Avantor own 0.3% of the company. Learn More about insider trades at Avantor.
Information on this page was last updated on 5/1/2026.

Simon Dingemans Insider Trading History at Avantor

Transaction Date	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction	Details
5/1/2026	Buy	25,000	$8.14	$203,500.00	25,000

Simon Dingemans 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: $8.45

$8.27

$8.58

50 Day Range

MA: $8.12

$7.43

$9.10

2 Week Range

Now: $8.45

$7.26

$15.93

Volume

8,140,729 shs

Average Volume

10,925,563 shs

Market Capitalization

$5.77 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.94