Avantor posts Q3 2025 results update

Avantor, Inc. filed a current report to note that it released a press release with its financial results for the quarter ended September 30, 2025.

Rhea-AI Filing Summary

Avantor, Inc. filed a current report to note that it released a press release with its financial results for the quarter ended September 30, 2025. The press release was issued on October 29, 2025 and is attached as Exhibit 99.1.

The company states that the information in this report, including Exhibit 99.1, is being furnished under Item 2.02 (Results of Operations and Financial Condition) and is not deemed filed for liability purposes under the Securities Exchange Act.

8-K Event Classification

2 items: 2.02, 9.01

2 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, or exhibit attachments filed with this report.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Avantor (AVTR) disclose in this 8-K filing?

Avantor, Inc. reported that it issued a press release announcing its financial results for the quarter ended September 30, 2025, which is attached as Exhibit 99.1.

Which period do the Avantor (AVTR) results in this update cover?

The financial results discussed in the press release cover Avantor’s quarter ended September 30, 2025.

When did Avantor (AVTR) issue the press release on its quarterly results?

Avantor issued the press release with its quarterly financial results on October 29, 2025.

Where can investors find the detailed Avantor (AVTR) Q3 2025 results?

The detailed financial results are included in the press release filed as Exhibit 99.1 to this current report.

Is the Avantor (AVTR) earnings press release considered filed or furnished?

Avantor specifies that the information in this report, including Exhibit 99.1, is furnished under Item 2.02 and is not deemed filed under Section 18 of the Exchange Act.

What exhibits are attached to this Avantor (AVTR) 8-K?

The filing includes Exhibit 99.1, a press release dated October 29, 2025, and Exhibit 104, the cover page interactive data file embedded in the Inline XBRL document.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 10/29/2025 - 06:13 AM Learn about SEC filing dates

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UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 29, 2025

Avantor, Inc.

(Exact name of registrant as specified in its charter)

Delaware			001-38912			82-2758923
(State or other jurisdiction of incorporation)			(Commission File Number)			(I.R.S. Employer Identification No.)

Radnor Corporate Center, Building One, Suite 200

100 Matsonford Road

Radnor, Pennsylvania 19087

(Address of principal executive offices, including zip code)

(610) 386-1700

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol

Exchange on which registered

Common Stock, $0.01 par value

AVTR

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). ☐ Emerging growth company

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02    Results of Operations and Financial Condition.

On October 29, 2025, Avantor, Inc. issued a press release announcing its financial results for the quarter ended September 30, 2025. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

The information contained in this Form 8-K (including Exhibit 99.1) shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, nor shall it be deemed incorporated by reference in any filing under the Securities Exchange Act of 1933, except as expressly set forth by specific reference in such a filing.

Item 9.01    Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.						Description
99.1						Press release dated October 29, 2025
104						Cover Page Interactive File (the cover page tags are embedded within the Inline XBRL document)

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

			Avantor, Inc.
Date: October 29, 2025			By:			/s/ Steven Eck
						Name:			Steven Eck
						Title:			Senior Vice President, Chief Accounting Officer (Principal Accounting Officer)