Avantor, Inc. — DEFA14A Filings
7 DEFA14A filings on record
This page lists all DEFA14A filings submitted to the SEC by Avantor, Inc. (AVTR), sorted by most recent first. Each row links to the full filing on EdgarLookup. Avantor, Inc. has filed 7 DEFA14A documents with the SEC since 2017. To view all SEC filings by Avantor, Inc., see the full filings list.
All
10-K
10-Q
144
15-12B
25-NSE
3
3/A
4
4/A
424B4
424B5
424B7
5
8-A12B
8-K
8-K/A
ARS
CERT
CORRESP
D
DEF 14A
DEFA14A
DRS
EFFECT
FWP
POSASR
PRE 14A
S-1
S-1/A
S-1MEF
S-3ASR
S-8
SC 13G
SC 13G/A
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| DEFA14A | DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS | 0001628280-26-021573 | Mar 27, 2026 | — |
| DEFA14A | DEFA14A | 0000950170-25-046815 | Mar 28, 2025 | — |
| DEFA14A | DEFA14A | 0001193125-24-082091 | Mar 29, 2024 | — |
| DEFA14A | DEFA14A | 0001193125-23-088111 | Mar 31, 2023 | — |
| DEFA14A | DEFA14A | 0001193125-22-093742 | Apr 1, 2022 | — |
| DEFA14A | DEFA14A | 0001722482-21-000127 | Apr 29, 2021 | — |
| DEFA14A | DEFA14A | 0001193125-20-118301 | Apr 24, 2020 | — |