Company Analysis

Amphenol Corporation (APH)

NYSE: APH · Electronic Connectors · Wallingford, CT · filing with the SEC since 1994
Grade7.4
◀ Past 7.7● Present 7.3▶ Future 7.2

Filings

299 filings since 2017 beside 515 insider forms · Large accelerated filer · read from EDGAR on Nov 13, 2026
Due 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 Apr 8, 2026.

Filings a yearinsider forms included
778568488410613084
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 4 times in the last 36 months, the newest Oct 6, 2026.SEC letters: 4 in the last 36 months, the newest Jun 25, 2025.
Insider forms 515

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
Oct 30, 2026 10-Q Quarterly report Sep 30, 2026
Oct 28, 2026 8-K items 2.02, 8.01, 9.01 Results released; Other event · Current report
Oct 6, 2026 8-K item 5.02 Officer or director change · Current report Oct 1, 2026
Sep 4, 2026 8-K item 8.01 Other event · Current report Sep 2, 2026
Aug 6, 2026 8-K items 8.01, 9.01 Other event · Current report
Aug 6, 2026 SCHEDULE 13G/A Large holder update, amended
Jul 31, 2026 10-Q Quarterly report Jun 30, 2026
Jul 29, 2026 8-K items 2.02, 9.01 Results released · Current report
May 29, 2026 SD Conflict minerals report
May 22, 2026 8-K items 5.07, 9.01 Shareholder vote · Current report May 21, 2026
May 15, 2026 CERT Exchange listing certification
May 12, 2026 8-A12B Class of securities registered for listing
May 12, 2026 8-K items 1.01, 2.03, 9.01 Major agreement signed; New debt or obligation taken on · Current report
May 7, 2026 424B5 Shelf offering
May 6, 2026 8-K items 1.01, 8.01, 9.01 Major agreement signed; Other event · Current report May 5, 2026
May 5, 2026 FWP Offering communication
May 5, 2026 424B3 Shelf offering
May 1, 2026 10-Q Quarterly report Mar 31, 2026
Apr 29, 2026 SCHEDULE 13G Large holder notice
Apr 29, 2026 8-K items 2.02, 9.01 Results released · Current report
Apr 8, 2026 ARS Annual report to shareholders Dec 31, 2025
Apr 8, 2026 DEFA14A Extra proxy material
Apr 8, 2026 DEF 14A Proxy statement May 21, 2026
Mar 30, 2026 8-K items 1.01, 2.03, 9.01 Major agreement signed; New debt or obligation taken on · Current report
Mar 27, 2026 8-K/A items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report, amended Jan 9, 2026
Mar 26, 2026 SCHEDULE 13G/A Large holder update, amended
Mar 25, 2026 424B5 Shelf offering
Mar 24, 2026 8-K items 1.01, 8.01, 9.01 Major agreement signed; Other event · Current report
Mar 24, 2026 FWP Offering communication
Mar 24, 2026 424B3 Shelf offering
Mar 2, 2026 S-3ASR Shelf registration
Feb 11, 2026 10-K Annual report Dec 31, 2025
Feb 5, 2026 8-K items 5.02, 7.01, 9.01 Officer or director change; Investor disclosure (Regulation FD) · Current report Feb 4, 2026
Feb 5, 2026 SCHEDULE 13G/A Large holder update, amended
Jan 28, 2026 8-K items 2.02, 9.01 Results released · Current report
Jan 12, 2026 8-K items 2.01, 7.01, 9.01 Purchase or sale of a business completed; Investor disclosure (Regulation FD) · Current report Jan 9, 2026
Jan 8, 2026 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 1.01, 2.03, 9.01 Major agreement signed; New debt or obligation taken on · Current report
Nov 5, 2025 SCHEDULE 13G/A Large holder update, amended
Oct 30, 2025 SCHEDULE 13G/A Large holder update, amended
40 of 299 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.

SI Assistanton APH · research, not advice