AM earnings date, and what happened the last 4 times

Next report

Wed Oct 28

Quality Score today -1

After the close, in 2 days. Confirmed by the company.

AM closed higher after 2 of its last 4 reports. On average it closed +0.5% the session after a report.

The moment AM reports

Its figures, in plain words
How it moves after, beside its last four
Its Quality Score going in, and after

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What happened after AM's last 4 reports

AM's last 4 earnings reports
Reported	Score going in	Gap	Reaction	5 sessions
Jul 29, 20262026 · After close	6estimated	+1.6%	+0.1%	-1.7%
Apr 29, 20262026 · After close	7estimated	-3.0%	-0.1%	-3.3%
Feb 11, 20262026 · After close	15estimated	+2.7%	+2.3%	+3.2%
Oct 29, 20252025 · After close	5estimated	-1.6%	-0.2%	-1.6%

Jul 29, 2026, after the close: the next session AM opened +1.6% and closed +0.1%, and five sessions on it stood -1.7%. Its Quality Score going in was 6 (Average), estimated.
Apr 29, 2026, after the close: the next session AM opened -3.0% and closed -0.1%, and five sessions on it stood -3.3%. Its Quality Score going in was 7 (Average), estimated.
Feb 11, 2026, after the close: the next session AM opened +2.7% and closed +2.3%, and five sessions on it stood +3.2%. Its Quality Score going in was 15 (Excellent), estimated.
Oct 29, 2025, after the close: the next session AM opened -1.6% and closed -0.2%, and five sessions on it stood -1.6%. Its Quality Score going in was 5 (Below Average), estimated.

Across these 4 reports AM opened higher after 2 of 4 and closed higher after 2 of 4; on average it opened -0.1%, closed +0.5%, and stood -0.8% five sessions on. Its Quality Score is -1 today, against 6 going into its Jul 29, 2026 report.

Gap: where the stock opened the session after the report. Reaction: where that session closed. Both against the close before the report. The largest of the 4: +2.3% after the Feb 11, 2026 report. A score marked estimated was worked out afterwards from that day's prices and filings; Breakaway has recorded every score live since Sep 9 2026.

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Questions about AM's earnings

As of Oct 26, 2026: Antero Midstream (AM): reports Wed Oct 28, after the close. AM closed higher after 2 of its last 4 reports. Its Quality Score is -1 (Poor). Scores as of 11:11 PM ET, 15 minutes behind.

When is AM's next earnings date?

Reports Wed Oct 28, after the close, a date the company confirmed. AM closed higher after 2 of its last 4 reports. Past behavior, not a forecast.

Does AM report before or after the market?

AM reports Wed Oct 28, after the close. Its last 4 reports came after the close.

How did AM stock react to its last earnings report?

Jul 29, 2026, after the close: the next session AM opened +1.6% and closed +0.1%, and five sessions on it stood -1.7%.

Does AM stock usually go up after earnings?

AM closed higher after 2 of its last 4 reports. On average it closed +0.5% the session after a report, after opening -0.1%. Past behavior, not a forecast.

Antero Midstream's page has its Quality Score, its chart, and its insiders' trades. Everyone reporting beside it: this week's earnings.