Antero Midstream (AM) stock: insider trades, news & valuation
Heavy sellingShare price and insider trades
Antero Midstream insider trading at a glance (Oct 9, 2026): in the past 12 months, 0 insiders bought $0 and 4 sold $5.3M of AM stock on the open market.
Get emailed when insiders cluster-buy stocks like AM
Free alerts the day a new cluster buy is filed, plus the Monday report of the week's biggest insider trades.
Free · unsubscribe anytime · not investment advice · see a sample issue
AM insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | — | 0 | $459K | 2 |
| Q2 2026 | — | 0 | $3.7M | 2 |
| Q1 2026 | — | 0 | $1.0M | 3 |
| Q4 2025 | — | 0 | $88K | 1 |
Valuation, profit and volume
Summary
Over the past 12 months, 0 Antero Midstream Corp insiders reported open-market purchases totaling $0, while 4 insiders reported sales totaling $5.3M. 1 of 8 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
AM earnings: how the stock reacted
Each quarterly results release (SEC 8-K Item 2.02), the trend before it, insider trades in the 30 days before, and the 2-day market reaction. “E” marks releases on the chart above.
| Release | 15 days before | Insiders, 30 days before | Reaction (2 days) | Next 30 days |
|---|---|---|---|---|
| Jul 29, 2026 | -3.2% | None | +0.1%S&P +0.1% | +3.4% |
| Apr 29, 2026 | +1.1% | None | +1.0%S&P +1.0% | -4.1% |
| Feb 11, 2026 | +7.8% | None | +5.1%S&P -1.6% | +10.7% |
| Oct 29, 2025 | -3.0% | None | -0.7%S&P -1.1% | +3.0% |
| Jul 30, 2025 | -4.0% | None | +8.1%S&P -0.5% | -3.1% |
| Apr 30, 2025 | +3.8% | None | -0.3%S&P +0.7% | +11.3% |
| Feb 12, 2025 | +4.5% | None | +4.4%S&P +0.7% | +1.1% |
| Oct 30, 2024 | -3.0% | None | -3.4%S&P -2.3% | +11.1% |
Most companies bar insiders from trading in the weeks before results, so pre-earnings purchases are rare and often made by directors or under pre-set plans. Past reactions don't predict future ones.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Aug 6SEC | Brooks J KlimleyDirector | Sell | 5,00068,204 held (−7%) | $21.27 | $106K | -0.8% | — |
| Aug 5SEC | Sheri PearceSee Remarks | Sell | 16,00083,900 held (−16%) | $22.01 | $352K | -4.2% | — |
| May 4SEC | Michael N. KennedySee Remarks | Sell Plan | 100,0001,500,594 held (−6%) | $21.92 | $2.2M | -3.8% | — |
| May 4SEC | Yvette K SchultzSee Remarks | Sell | 69,269580,565 held (−11%) | $21.90 | $1.5M | -3.7% | — |
| Mar 12SEC | Brooks J KlimleyDirector | Sell | 5,00069,680 held (−7%) | $23.16 | $116K | -8.9% | — |
| Mar 10SEC | Yvette K SchultzSee Remarks | Sell | 25,000649,834 held (−4%) | $22.81 | $570K | -7.5% | — |
| Mar 10SEC | Sheri PearceSee Remarks | Sell | 14,00099,900 held (−12%) | $22.76 | $319K | -7.3% | — |
| Dec 16SEC | Brooks J KlimleyDirector | Sell | 5,00072,622 held (−6%) | $17.59 | $88K | +19.9% | — |
Insiders at Antero Midstream Corp
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Michael N. KennedySee Remarks | — | $2.2M | May 4, 2026 | — |
| Yvette K SchultzSee Remarks | — | $2.1M | May 4, 2026 | — |
| Sheri PearceSee Remarks | — | $671K | Aug 5, 2026 | — |
| Brooks J KlimleyDirector | — | $310K | Aug 6, 2026 | — |
AM stock: common questions
Are Antero Midstream Corp insiders buying AM stock?
In the past 12 months, 0 insiders reported open-market purchases of AM worth $0.
Are Antero Midstream Corp insiders selling AM stock?
4 insiders reported sales worth $5.3M over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is AM's 52-week range?
Over the past year AM has traded between $16.60 and $23.12. It last closed at $21.09 on Oct 9, 2026.