Avantor, Inc. (AVTR)
NYSE: AVTR · Laboratory Analytical Instruments · Radnor, PA · filing with the SEC since 2017
Grade4.4
◀ Past 5.2● Present 4.6▶ Future 3.3
Filings
262 filings since 2017 beside 526 insider forms · Large accelerated filer · read from EDGAR on Nov 13, 2026Due nextLarge accelerated filer
10-K
Annual report for the fiscal year ending Dec 31, 2026Large accelerated filers have 60 days after the fiscal year ends.
by Mar 1, 2027
10-Q
Quarterly report for the quarter ending Mar 31, 2027Large accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end.
by May 10, 2027
A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 28 days after the quarter ended. The proxy statement was last filed Mar 27, 2026.
Filings a yearinsider forms included
9711414684100859467
2026 counts to Nov 13, 2026.
Officer or director change (8-K item 5.02): 23 times in the last 36 months, the newest Nov 3, 2026.SEC letters: 3 in the last 36 months, the newest May 6, 2026.
Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.
FiledFormWhat it is, in plain wordsPeriodAsk
Sep 21, 2026
8-K items 5.02, 7.01, 9.01
Officer or director change; Investor disclosure (Regulation FD) · Current report
Sep 17, 2026
Sep 21, 2026
8-K items 5.02, 7.01, 9.01
Officer or director change; Investor disclosure (Regulation FD) · Current report
Sep 17, 2026
Aug 27, 2026
8-K/A items 5.02, 9.01
Officer or director change · Current report, amended
Apr 17, 2026
Jul 17, 2026
8-K items 1.01, 2.03, 9.01
Major agreement signed; New debt or obligation taken on · Current report
Jul 14, 2026
Apr 23, 2026
8-K items 5.02, 7.01, 9.01
Officer or director change; Investor disclosure (Regulation FD) · Current report
Apr 17, 2026
Apr 1, 2026
8-K items 5.02, 7.01, 9.01
Officer or director change; Investor disclosure (Regulation FD) · Current report
Mar 26, 2026
Feb 25, 2026
8-K/A items 5.02, 9.01
Officer or director change · Current report, amended
Dec 17, 2025
Feb 25, 2026
8-K/A items 5.02, 9.01
Officer or director change · Current report, amended
Dec 4, 2025
Feb 11, 2026
8-K items 2.02, 7.01, 9.01
Results released; Investor disclosure (Regulation FD) · Current report
Dec 18, 2025
8-K items 5.02, 7.01, 9.01
Officer or director change; Investor disclosure (Regulation FD) · Current report
Dec 17, 2025
Dec 4, 2025
8-K items 5.02, 7.01, 9.01
Officer or director change; Investor disclosure (Regulation FD) · Current report
Nov 10, 2025
8-K items 5.02, 7.01, 9.01
Officer or director change; Investor disclosure (Regulation FD) · Current report
Oct 26, 2025
Oct 14, 2025
8-K items 1.01, 1.02, 2.03, 8.01, 9.01
Major agreement signed; Major agreement ended; New debt or obligation taken on; Other event · Current report
Oct 9, 2025
Oct 14, 2025
8-K items 5.02, 7.01, 9.01
Officer or director change; Investor disclosure (Regulation FD) · Current report
Oct 10, 2025
Oct 3, 2025
8-K items 5.02, 7.01, 9.01
Officer or director change; Investor disclosure (Regulation FD) · Current report
Oct 1, 2025
40 of 262 shown
Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.