secwatch / observer
AVTR Avantor, Inc.
CIK 0001722482 50 ready 8-Ks latest April 29, 2026, 7:59 PM ET RSS · JSON
Activity: QUIET 0 filings / 30d vs 1 baseline
Ready 8-Ks 50
Latest filing May 12, 2026, 4:32 PM ET
Top materiality 0.85
Event mix leadership ×21 · earnings ×17 · other_material ×5
Sentiment 5 pos · 9 neg · 36 neu
Latest earnings ▼ miss 2026-Q1
Executive change recent →

Recent 8-K filings for AVTR

Executive changes

Departed

Michael Stubblefield

Director, President and Chief Executive Officer
AVTR · Avantor, Inc.
Filed
April 28, 2025, 7:59 PM ET
Michael Stubblefield and Avantor, Inc. (the “Company”) agreed to initiate a leadership transition and Mr. Stubblefield agreed to step down from his role as Director, President and Chief Executive Officer of the Company, effective upon the appointment of his successor.
Departed

Jim Bramwell

Executive Vice President, Sales and Customer Excellence
AVTR · Avantor, Inc.
Effective
2025-06-30
Filed
January 8, 2025, 6:59 PM ET
On January 6, 2025, Avantor, Inc. (the “Company”) was notified by Jim Bramwell, its Executive Vice President, Sales and Customer Excellence, of his intention to retire from the Company on or around June 30, 2025, and pursue a full-time service opportunity within his faith.
Appointed

Dame Louise Makin DBE

director
AVTR · Avantor, Inc.
Effective
2024-11-04
Filed
November 6, 2024, 6:59 PM ET
On November 4, 2024, the Board of Directors (the “Board”) of Avantor, Inc. (the “Company”), upon the recommendation of its Nominating and Governance Committee, elected Dame Louise Makin DBE as a director with an initial term expiring on the date of the Company’s 2025 Annual Meeting of Stockholders.
Departed

Frederic Vanderhaegen

Executive Vice President, Europe
AVTR · Avantor, Inc.
Effective
2024-06-30
Filed
July 3, 2024, 7:59 PM ET
the Company and Frederic Vanderhaegen, the Company’s former Executive Vice President, Europe, and a named executive officer in the Company’s definitive proxy statement on Schedule 14A filed on March 29, 2024, agreed that Mr. Vanderhaegen would depart from the Company on June 30, 2024.
Departed

Randy Stone

Executive Vice President, Laboratory Solutions
AVTR · Avantor, Inc.
Effective
2024-06-30
Filed
June 21, 2024, 7:59 PM ET
On June 21, 2024, Avantor, Inc. (the “Company”) announced that Randy Stone, who had served as the Executive Vice President, Laboratory Solutions, would be leaving the Company effective June 30, 2024.
Departed

Frederic Vanderhaegen

Executive Vice President, Europe
AVTR · Avantor, Inc.
Filed
December 7, 2023, 6:59 PM ET
on December 1, 2023, the Company informed each of Sheri Lewis, the Company’s Executive Vice President, Global Supply Chain, and Frederic Vanderhaegen, the Company’s Executive Vice President, Europe, that each would depart from the Company in 2024 after supporting the Company’s transition to its new operating model.
Departed

Sheri Lewis

Executive Vice President, Global Supply Chain
AVTR · Avantor, Inc.
Filed
December 7, 2023, 6:59 PM ET
on December 1, 2023, the Company informed each of Sheri Lewis, the Company’s Executive Vice President, Global Supply Chain, and Frederic Vanderhaegen, the Company’s Executive Vice President, Europe, that each would depart from the Company in 2024 after supporting the Company’s transition to its new operating model.
Departed

Gerard Brophy

Executive Vice President, Biopharma Production
AVTR · Avantor, Inc.
Effective
2023-10-02
Filed
September 26, 2023, 7:59 PM ET
On September 26, 2023, Avantor, Inc. (the “Company”) announced that Dr. Gerard Brophy, the Company’s Executive Vice President, Biopharma Production and a named executive officer in the Company’s definitive proxy statement on Schedule 14A filed on March 31, 2023, will be stepping down from that position on October 2, 2023, and retiring from the Company effective February 29, 2024.
Appointed

R. Brent Jones

Executive Vice President and Chief Financial Officer
AVTR · Avantor, Inc.
Effective
2023-08-07
Filed
July 13, 2023, 7:59 PM ET
On July 13, 2023, Avantor, Inc. (the “Company”), announced the appointment of R. Brent Jones as Executive Vice President and Chief Financial Officer, effective as of August 7, 2023.
Departed

Thomas Szlosek

Executive Vice President and Chief Financial Officer
AVTR · Avantor, Inc.
Effective
2023-08-04
Successor
R. Brent Jones
Filed
July 13, 2023, 7:59 PM ET
the Company’s current Executive Vice President and Chief Financial Officer, Thomas Szlosek, whose resignation was previously announced, has agreed to continue in his position through August 4, 2023.
Departed

Thomas A. Szlosek

Executive Vice President and Chief Financial Officer
AVTR · Avantor, Inc.
Effective
2023-08-02
Filed
May 15, 2023, 7:59 PM ET
On May 9, 2023, Mr. Thomas A. Szlosek notified the Company of his decision to resign as the Company’s Executive Vice President and Chief Financial Officer (“CFO”), effective as of August 2, 2023, to join a company outside the life sciences industry.
Departed

Matt Holt

Director
AVTR · Avantor, Inc.
Effective
2022-11-16
Filed
November 18, 2022, 6:59 PM ET
Effective as of November 16, 2022, Matt Holt retired from the Board of Directors (the “Board”) of Avantor, Inc. (the “Company”).

Earnings & guidance

2026-Q1 EPS reported $0.06 vs consensus $0.16 ▼ miss (-62.5%) filing →

Materiality & sentiment trend

Max materiality 0.85 · Median 0.60 · Most common event leadership

5 positive 9 negative 36 neutral

source · AVTR on sec.gov