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AVTRNYSE
Avantor, Inc.
Laboratory Analytical Instruments · CIK 1722482
Avantor provides mission-critical products and services to biopharma, healthcare, education, government, and advanced technology customers
red 8-K · 90d
$6.41B
Market cap
$10.03
Last close
-2.4%
1D
+7.3%
5D
8.6M
Volume
Price · last 39 sessions+25.5%
May 4L $7.60 · H $10.28Jun 29
165
Total filings
May 12, 2026
Last filing
12/31
Fiscal year end
8-KShareholder VoteMay 12, 202610-Q10-QApr 29, 20268-KResults of OperationsApr 29, 20268-KExecutive Change · Reg FD DisclosureApr 23, 20268-KExecutive Change · Reg FD DisclosureApr 1, 2026DEFA14ADEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALSMar 27, 2026DEF 14ADEFINITIVE PROXY STATEMENTMar 27, 20268-K/AExecutive ChangeFeb 25, 20268-K/AExecutive ChangeFeb 25, 20268-KResults of Operations · Reg FD DisclosureFeb 11, 202610-K10-KFeb 11, 20268-KExecutive Change · Reg FD DisclosureDec 18, 20258-KExecutive Change · Reg FD DisclosureDec 4, 20258-KExecutive Change · Reg FD DisclosureNov 10, 202510-Q10-QOct 29, 20258-KResults of OperationsOct 29, 20258-KMaterial Agreement · Agreement TerminatedOct 14, 20258-KExecutive Change · Reg FD DisclosureOct 14, 20258-KExecutive Change · Reg FD DisclosureOct 3, 20258-KExecutive ChangeAug 13, 202510-Q10-QAug 1, 20258-KResults of OperationsAug 1, 20258-KExecutive Change · Reg FD DisclosureJul 21, 20258-KExecutive Change · Shareholder VoteMay 12, 20258-KExecutive ChangeApr 28, 202510-Q10-QApr 25, 20258-KResults of OperationsApr 25, 2025DEFA14ADEFA14AMar 28, 2025DEF 14ADEF 14AMar 28, 202510-K10-KFeb 7, 20258-KResults of OperationsFeb 7, 20258-KExecutive ChangeJan 8, 20258-KExecutive Change · Reg FD DisclosureNov 6, 202410-Q10-QOct 25, 20248-KResults of OperationsOct 25, 202410-Q10-QJul 26, 20248-KResults of OperationsJul 26, 20248-KExecutive ChangeJul 3, 20248-KExecutive Change · Reg FD DisclosureJun 21, 20248-KBylaw Amendment · Shareholder VoteMay 10, 202410-Q10-QApr 26, 20248-KResults of OperationsApr 26, 20248-KExecutive Change · Material AgreementApr 5, 2024DEFA14ADEFA14AMar 29, 2024DEF 14ADEF 14AMar 29, 20248-KBylaw AmendmentFeb 28, 20248-KResults of Operations · Reg FD DisclosureFeb 14, 202410-K10-KFeb 14, 2024SC 13GSC 13GFeb 13, 20248-KExecutive Change · Reg FD DisclosureDec 7, 202310-Q10-QOct 27, 20238-KResults of OperationsOct 27, 20238-KExecutive Change · Reg FD DisclosureSep 26, 202310-Q8-KJul 28, 20238-KResults of OperationsJul 28, 20238-KExecutive Change · Reg FD DisclosureJul 13, 20238-KMaterial Agreement · New Debt / ObligationJul 5, 20238-KExecutive Change · Reg FD DisclosureMay 15, 20238-KShareholder VoteMay 11, 202310-Q10-QApr 28, 20238-KResults of OperationsApr 28, 2023DEFA14ADEFA14AMar 31, 2023DEF 14ADEF 14AMar 31, 202310-K10-KFeb 14, 20238-KResults of OperationsFeb 3, 20238-KExecutive ChangeNov 18, 2022SC 13GSC 13GNov 10, 202210-Q10-QOct 28, 20228-KResults of OperationsOct 28, 20228-KReg FD DisclosureSep 13, 202210-Q10-QJul 29, 20228-KResults of OperationsJul 28, 20228-KDelisting Notice · Bylaw AmendmentMay 17, 20228-KShareholder VoteMay 13, 202210-Q10-QApr 29, 20228-KResults of OperationsApr 28, 2022DEFA14ADEFA14AApr 1, 2022DEF 14ADEF 14AApr 1, 20228-KExecutive Change · Reg FD DisclosureFeb 15, 202210-K10-KFeb 11, 2022
Insider Activity
◆ Cluster Buy · 3 insidersIn the 90 days to Mar 10, 2026: 3 insiders bought $2.4M.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 10, 2026 | Mehra Sanjeev KDirector | Buy | 125,000 | $8.01 | $1.0M |
| Feb 19, 2026 | Lucier Gregory TDirector | Buy | 50,000 | $9.16 | $458K |
| Feb 12, 2026 | Summe Gregory LDirector | Buy | 100,000 | $9.40 | $940K |
| Dec 5, 2025 | Mehra Sanjeev KDirector | Buy | 350,000 | $11.09 | $3.9M |
| Nov 17, 2025 | Ligner EmmanuelPresident and CEO | Buy | 87,500 | $11.35 | $993K |
| Oct 30, 2025 | Summe Gregory LDirector | Buy | 100,000 | $11.25 | $1.1M |
Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.
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