Avantor (AVTR)Director bought ~$1M

~$1M

Approx. value · 125K sh @ $8.01

475K

Holds after · shares reported

Traded

Mar 10, 2026

Filed

Mar 11, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Dec 4, 2025Company filing · Form 8-K · Executive changeChanged a top executive or board member“On December 4, 2025, Avantor, Inc. (the “Company”) filed a Current Report on Form 8-K announcing the election of Sanjeev Mehra as a director of the Company effective December 4, 2025.”
2. Dec 17, 2025Company filing · Form 8-K · Executive changeChanged a top executive or board member“On December 17, 2025, Avantor, Inc. (the “Company”) filed a Current Report on Form 8-K announcing the election of Simon Dingemans as a director of the Company effective January 2, 2026.”
3. Feb 11, 2026Company filing · Form 8-K · Results, Reg FDReported its results, and shared information with investors
4. Feb 12, 2026InsiderDirector purchased ~$940K of AVTR shares in the open market
5. Feb 19, 2026Insider · Their first buy on recordDirector purchased ~$458K of AVTR shares in the open market
6. Mar 10, 2026 · this disclosureInsiderDirector purchased ~$1M of AVTR shares in the open market

What came next

1. Mar 26, 2026Company filing · Form 8-K · Executive change, Reg FDChanged a top executive or board member, and shared information with investors“On March 26, 2026, Mr. R. Brent Jones notified Avantor, Inc. (the “Company”) of his decision to resign as the Company’s Executive Vice President and Chief Financial Officer (“CFO”) to join a company outside the life sciences industry.”
2. Apr 17, 2026Company filing · Form 8-K · Executive change, Reg FDChanged a top executive or board member, and shared information with investors“On April 17, 2026, Avantor, Inc. (the “Company”) informed Benoit Gourdier, the Company’s Executive Vice President, Bioscience and Medtech Products, that he would be transitioning to a new role supporting the Company’s segment integration activities, after which it is expected that he would depart the Company no later than December 31, 2026.”
3. Apr 29, 2026Company filing · Form 8-K · ResultsReported its results
4. May 1, 2026Insider · Their first buy on recordDirector purchased ~$204K of AVTR shares in the open market
5. May 8, 2026InsiderDirector purchased ~$83K of AVTR shares in the open market

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Avantor

For Avantor, OQRO holds 13 fund holdings reports (13F) and 1 federal contract award dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its AVTR page.

Other recent filings by Sanjeev K Mehra, Director

• SEC Form 4 at Avantor (AVTR)Dec 9, 2025

The full history of Sanjeev K Mehra, Director is on the profile page.

How this filing works

• SEC Form 4
• Open-market purchase
• Rule 10b5-1 trading plans

Other disclosures at Avantor

• USAspending.gov award recordAug 31, 2026
• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRAug 14, 2026

Everything OQRO holds on this company is on its AVTR page.