Amphenol Corp. is expected to file its next quarterly report (Form 10-Q), for the period ending about Sept. 30, 2026, between Oct. 26, 2026 and Nov. 2, 2026, based on its last 8 10-Q filings. The SEC deadline for a large accelerated filer is Nov. 9, 2026.
How the next-report window is calculated
Amphenol Corp.'s most recent periodic report on file is a Form 10-Q for the period ended June 30, 2026, filed July 31, 2026. Its fiscal year ends around Dec. 31, so the next period should close about Sept. 30, 2026, and that report is a Form 10-Q.
SEC rules give a large accelerated filer 40 days after period end to file a 10-Q, which lands on Nov. 9, 2026 after moving off weekends and federal holidays. Over its last 8 10-Qs, Amphenol Corp. filed between 24 and 31 days after period end (median 26 days), which gives the expected window above. Period ends are estimated from the company's own calendar and may shift by a few days in 52/53-week fiscal years.
Recent filings by Amphenol Corp.
| Filed | Form | What it is | Document |
|---|---|---|---|
| 8-K | Executive or board change, or executive pay arrangement | Open 8-K filed 2026-10-06 · Index 0001104659-26-114035 | |
| 8-K | Other events the company chose to report | Open 8-K filed 2026-09-04 · Index 0001104659-26-105485 | |
| 8-K | Other events the company chose to report | Open 8-K filed 2026-08-06 · Index 0001104659-26-091969 | |
| 13G/A | Amendment to a passive-ownership (13G) report | Open SCHEDULE 13G/A filed 2026-08-06 · Index 0000315066-26-001935 | |
| 10-Q | Quarterly report with unaudited financial statements for the period ended June 30, 2026 | Open 10-Q filed 2026-07-31 · Index 0001104659-26-089194 | |
| 8-K | Released earnings or financial results | Open 8-K filed 2026-07-29 · Index 0001104659-26-087904 | |
| SD | Specialized disclosure (conflict minerals / resource payments) | Open SD filed 2026-05-29 · Index 0001104659-26-068220 | |
| 8-K | Reported shareholder vote results | Open 8-K filed 2026-05-22 · Index 0001104659-26-065682 | |
| 8-K | Signed a material contract; took on new debt or a similar obligation | Open 8-K filed 2026-05-12 · Index 0001104659-26-059404 | |
| 8-K | Signed a material contract; other events the company chose to report | Open 8-K filed 2026-05-06 · Index 0001104659-26-055888 | |
| 10-Q | Quarterly report with unaudited financial statements for the period ended March 31, 2026 | Open 10-Q filed 2026-05-01 · Index 0001104659-26-054128 | |
| 13G | Ownership above 5% by a passive or institutional investor | Open SCHEDULE 13G filed 2026-04-29 · Index 0002100119-26-000108 | |
| 8-K | Released earnings or financial results | Open 8-K filed 2026-04-29 · Index 0001104659-26-050984 | |
| ARS | Annual report delivered to shareholders | Open ARS filed 2026-04-08 · Index 0001104659-26-040694 | |
| DEFA14A | Additional proxy soliciting materials | Open DEFA14A filed 2026-04-08 · Index 0001104659-26-040692 | |
| DEF 14A | Definitive proxy statement for a shareholder meeting | Open DEF 14A filed 2026-04-08 · Index 0001104659-26-040688 | |
| 8-K | Signed a material contract; took on new debt or a similar obligation | Open 8-K filed 2026-03-30 · Index 0001104659-26-036361 | |
| 8-K/A | Information shared under Regulation FD | Open 8-K/A filed 2026-03-27 · Index 0001104659-26-036173 | |
| 13G/A | Amendment to a passive-ownership (13G) report | Open SCHEDULE 13G/A filed 2026-03-26 · Index 0000102909-26-000617 | |
| 8-K | Signed a material contract; other events the company chose to report | Open 8-K filed 2026-03-24 · Index 0001104659-26-033968 | |
| S-3ASR | Automatic shelf registration (well-known seasoned issuer) | Open S-3ASR filed 2026-03-02 · Index 0001104659-26-022256 | |
| 10-K | Annual report with audited financial statements for the period ended Dec. 31, 2025 | Open 10-K filed 2026-02-11 · Index 0001104659-26-013549 | |
| 13G/A | Amendment to a passive-ownership (13G) report | Open SCHEDULE 13G/A filed 2026-02-05 · Index 0000315066-26-000375 | |
| 8-K | Executive or board change, or executive pay arrangement; information shared under Regulation FD | Open 8-K filed 2026-02-05 · Index 0001104659-26-010676 | |
| 8-K | Released earnings or financial results | Open 8-K filed 2026-01-28 · Index 0001104659-26-007259 |
What Amphenol Corp.'s 8-Ks were about in the past year
Amphenol Corp. filed 18 Form 8-K current reports between Oct. 17, 2025 and Oct. 16, 2026. Each report lists the item numbers it covers; the counts below show how often each item appeared.
| Item | Meaning | Times |
|---|---|---|
| 9.01 | Financial Statements and Exhibits | 16 |
| 1.01 | Entry into a Material Definitive Agreement | 6 |
| 8.01 | Other Events | 5 |
| 2.02 | Results of Operations and Financial Condition | 4 |
| 7.01 | Regulation FD Disclosure | 4 |
| 5.02 | Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | 3 |
| 2.03 | Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement | 3 |
| 5.07 | Submission of Matters to a Vote of Security Holders | 1 |
| 2.01 | Completion of Acquisition or Disposition of Assets | 1 |