Company Analysis

Antero Midstream Corporation (AM)

NYSE: AM · Natural Gas Transmission · Denver, CO · filing with the SEC since 2014
Grade5.1
◀ Past 5.0● Present 6.0▶ Future 3.7

Filings

322 filings since 2017 beside 484 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 23, 2026.

Filings a yearinsider forms included
18661676769688068
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 3 times in the last 36 months, the newest Sep 23, 2025.
Insider forms 484

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 28, 2026 8-K items 2.02, 9.01 Results released · Current report
Oct 28, 2026 10-Q Quarterly report Sep 30, 2026
Jul 29, 2026 8-K items 2.02, 9.01 Results released · Current report
Jul 29, 2026 10-Q Quarterly report Jun 30, 2026
Jul 27, 2026 8-K item 7.01 Investor disclosure (Regulation FD) · Current report Jul 24, 2026
Jun 4, 2026 8-K items 5.07, 9.01 Shareholder vote · Current report Jun 3, 2026
May 12, 2026 8-K item 7.01 Investor disclosure (Regulation FD) · Current report
Apr 29, 2026 8-K items 2.02, 9.01 Results released · Current report
Apr 29, 2026 10-Q Quarterly report Mar 31, 2026
Apr 23, 2026 DEFA14A Extra proxy material
Apr 23, 2026 DEF 14A Proxy statement Jun 3, 2026
Apr 23, 2026 ARS Annual report to shareholders Dec 31, 2025
Apr 1, 2026 8-K item 7.01 Investor disclosure (Regulation FD) · Current report
Mar 26, 2026 SCHEDULE 13G/A Large holder update, amended
Feb 23, 2026 8-K items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report
Feb 11, 2026 8-K items 2.02, 9.01 Results released · Current report
Feb 11, 2026 10-K Annual report Dec 31, 2025
Feb 3, 2026 8-K items 2.01, 8.01, 9.01 Purchase or sale of a business completed; Other event · Current report
Dec 23, 2025 8-K items 2.03, 8.01, 9.01 New debt or obligation taken on; Other event · Current report
Dec 10, 2025 8-K items 8.01, 9.01 Other event · Current report Dec 9, 2025
Dec 9, 2025 8-K items 8.01, 9.01 Other event · Current report
Dec 8, 2025 8-K items 1.01, 7.01, 9.01 Major agreement signed; Investor disclosure (Regulation FD) · Current report Dec 5, 2025
Nov 12, 2025 8-K item 7.01 Investor disclosure (Regulation FD) · Current report
Nov 6, 2025 SCHEDULE 13G/A Large holder update, amended
Oct 29, 2025 8-K items 2.02, 9.01 Results released · Current report
Oct 29, 2025 10-Q Quarterly report Sep 30, 2025
Sep 23, 2025 8-K items 2.03, 5.02, 9.01 New debt or obligation taken on; Officer or director change · Current report Sep 17, 2025
Sep 9, 2025 8-K items 8.01, 9.01 Other event · Current report Sep 8, 2025
Sep 8, 2025 8-K items 8.01, 9.01 Other event · Current report
Aug 14, 2025 8-K items 5.02, 5.03, 7.01, 9.01 Officer or director change; Charter, bylaw or fiscal-year change; Investor disclosure (Regulation FD) · Current report
Aug 12, 2025 8-K item 7.01 Investor disclosure (Regulation FD) · Current report
Aug 7, 2025 SCHEDULE 13G/A Large holder update, amended
Jul 30, 2025 10-Q Quarterly report Jun 30, 2025
Jul 30, 2025 8-K items 2.02, 9.01 Results released · Current report
Jun 6, 2025 8-K items 5.07, 9.01 Shareholder vote · Current report Jun 4, 2025
May 19, 2025 8-K item 7.01 Investor disclosure (Regulation FD) · Current report
Apr 30, 2025 10-Q Quarterly report Mar 31, 2025
Apr 30, 2025 8-K items 2.02, 9.01 Results released · Current report
Apr 24, 2025 ARS Annual report to shareholders Dec 31, 2024
Apr 24, 2025 DEFA14A Extra proxy material
40 of 322 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 AM · research, not advice