Avantor SEC Filings

Avantor, Inc. director reports no share ownership. Simon Dingemans, who serves as a director of Avantor, Inc. (ticker AVTR), filed an initial insider ownership statement indicating that he does not beneficially own any Avantor securities. The filing explicitly notes that no securities are beneficially owned, meaning he reports neither direct holdings nor indirect interests through derivative securities at this time.

Avantor, Inc. disclosed that its Board of Directors has elected Simon Dingemans as a director, effective January 2, 2026. His initial term will run until the company’s 2026 Annual Meeting of Stockholders and he will fill the vacancy created by Jonathan Peacock’s previously announced resignation, which becomes effective December 31, 2025.

Dingemans brings extensive financial and deal-making experience, having served as Chief Financial Officer of GSK plc from 2011 to 2019 and previously holding senior roles at The Carlyle Group, Goldman Sachs and SG Warburg. He currently sits on the boards of Vodafone Group Plc, WPP plc and Genomics Limited. The Board determined that he meets the independence standards of the New York Stock Exchange and the Securities Exchange Act of 1934.

As a non-employee director, he will receive Avantor’s standard compensation: an annual cash retainer of $95,000, paid quarterly, and a grant of restricted stock units with a grant date fair value of $210,000, prorated for his service before the 2026 annual meeting. These restricted stock units are scheduled to vest in full on May 6, 2026, subject to his continued service. Avantor also noted that it issued a press release about his election on December 18, 2025, furnished as an exhibit.

Avantor, Inc. director reported acquiring additional company stock. On December 5, 2025, the insider received 8,106 restricted stock units of Avantor common stock, which vest on May 6, 2026, and are held directly. On the same date, the insider also purchased 350,000 shares of Avantor common stock at a weighted average price of $11.09 per share through a limited liability company, reported as indirectly owned.

The share purchases were executed in multiple trades at prices ranging from $10.98 to $11.21 per share. The reporting person states they will provide full trade-by-trade pricing details upon request and disclaims beneficial ownership of the indirectly held securities except to the extent of any pecuniary interest.

Avantor, Inc. reported that one of its directors filed an initial insider ownership statement effective 12/05/2025. The report indicates that this director does not beneficially own any Avantor securities, including both non-derivative shares and derivative instruments such as options or warrants. The filing is made by a single reporting person on an individual basis and includes a power of attorney authorizing an attorney-in-fact to sign on the reporting person’s behalf.

Avantor, Inc. announced that its Board of Directors has elected Sanjeev Mehra as a director, with an initial term running until the company’s 2026 Annual Meeting of Stockholders. The Board determined he meets the independence standards of the New York Stock Exchange and the Securities Exchange Act of 1934.

Mehra, age 66, is Co‑Founder and Managing Partner of Periphas Capital and previously held senior roles at Goldman Sachs from 1986 to 2017, including Partner and Vice Chairman of the Global Private Equity business. He currently serves on the board of OPENLANE, Inc.

As a non‑employee director, he will receive standard compensation: an annual cash retainer of $95,000, prorated for 2025, and a grant of restricted stock units with a grant date fair value of $210,000, also prorated, vesting in full one year from grant subject to continued service. Avantor also issued a press release about his election, furnished as an exhibit.

Avantor, Inc. (AVTR) disclosed that a reporting person who serves as both President and CEO and a director acquired common stock in the company. On 11/17/2025, this insider purchased 87,500 shares of Avantor common stock at a price of $11.35 per share. Following this open-market purchase, the insider beneficially owns 283,424 shares, held directly.

T. Rowe Price Investment Management, Inc. filed Amendment No. 7 to Schedule 13G reporting beneficial ownership of 32,928,415 shares of Avantor, Inc. common stock, representing 4.8% of the class as of 09/30/2025.

The filer reports sole voting power over 32,838,902 shares and sole dispositive power over 32,928,415 shares, with no shared voting or dispositive power. The filing certifies the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control.

Avantor (AVTR) reported insider equity awards for its EVP, Chief Operating Officer. On November 10, 2025, the officer received 17,391 restricted stock units at $0 and 47,058 stock options with a $11.5 exercise price, expiring November 10, 2035.

Both the RSUs and options vest in two equal annual installments beginning on November 10, 2026. Following these awards, the officer directly beneficially owned 17,391 shares and 47,058 derivative securities.

Avantor (AVTR) insider filing: An Avantor executive serving as EVP, Chief Operating Officer filed a Form 3 initial statement of beneficial ownership. The filing reports no securities are beneficially owned as of the event date 11/10/2025. The document includes an Exhibit 24 power of attorney and was signed by an attorney‑in‑fact.