Antero Midstream Corporation (AM) Insider Trading
Over the last 3 months, AM insiders made 0 open-market buys and 2 sales, a net sale of -$459K (SEC Form 4). Over the last 6 months, 384 institutions increased and 350 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
2
Net (3m)
-$458.5K
Insider trades by month Buys Sells
May
Aug
Dec
Mar
May
Aug
Context3-month price +5.5%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 6, 2026 | KLIMLEY BROOKS Jdirector | Sell | 5,000 | $21.27 |
| Aug 5, 2026 | Pearce Sheriofficer: See Remarks | Sell | 16,000 | $22.01 |
| Jul 14, 2026 | Keenan W Howard JRdirector | Grant | 1,907 | — |
| Jul 14, 2026 | MCARDLE JANINE Jdirector | Grant | 1,907 | — |
| Jul 14, 2026 | Munoz Jeffrey S.director | Grant | 1,907 | — |
| Jul 14, 2026 | KLIMLEY BROOKS Jdirector | Grant | 1,907 | — |
| Jul 14, 2026 | MOLLENKOPF JOHN Cdirector | Grant | 1,907 | — |
| Jul 14, 2026 | Chisholm Nancydirector | Grant | 1,907 | — |
| Jul 14, 2026 | DEA PETER Adirector | Grant | 1,907 | — |
| Jul 14, 2026 | KEYTE DAVID Hdirector | Grant | 3,225 | — |
| May 4, 2026 | Schultz Yvette Kdirector, officer: See Remarks | Sell | 69,269 | $21.90 |
| May 4, 2026 | Kennedy Michael N.director, officer: See Remarks | Sell | 100,000 | $21.92 |
| Apr 14, 2026 | Munoz Jeffrey S.director | Grant | 1,617 | — |
| Apr 14, 2026 | KLIMLEY BROOKS Jdirector | Grant | 1,617 | — |
| Apr 14, 2026 | KEYTE DAVID Hdirector | Grant | 2,950 | — |
| Apr 14, 2026 | MOLLENKOPF JOHN Cdirector | Grant | 1,617 | — |
| Apr 14, 2026 | MCARDLE JANINE Jdirector | Grant | 1,617 | — |
| Apr 14, 2026 | Chisholm Nancydirector | Grant | 1,617 | — |
| Apr 14, 2026 | DEA PETER Adirector | Grant | 1,617 | — |
| Apr 14, 2026 | Keenan W Howard JRdirector | Grant | 1,617 | — |
| Mar 12, 2026 | KLIMLEY BROOKS Jdirector | Sell | 5,000 | $23.16 |
| Mar 10, 2026 | Schultz Yvette Kdirector, officer: See Remarks | Grant | 97,953 | — |
| Mar 10, 2026 | Pearce Sheriofficer: See Remarks | Grant | 32,651 | — |
| Mar 10, 2026 | Schultz Yvette Kdirector, officer: See Remarks | Sell | 25,000 | $22.81 |
| Mar 10, 2026 | Schultz Yvette Kdirector, officer: See Remarks | Tax | 66,252 | $22.97 |
| Mar 10, 2026 | Kennedy Michael N.director, officer: See Remarks | Grant | 261,210 | — |
| Mar 10, 2026 | Pearce Sheriofficer: See Remarks | Tax | 25,240 | $22.97 |
| Mar 10, 2026 | Pearce Sheriofficer: See Remarks | Sell | 14,000 | $22.76 |
| Mar 10, 2026 | Kennedy Michael N.director, officer: See Remarks | Tax | 108,526 | $22.97 |
| Mar 10, 2026 | Agnew Justin J.officer: See Remarks | Grant | 32,651 | — |
Source: AM SEC Form 4 filings, latest Aug 6, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their AM positions over the last 6 months (SEC Form 13F).
Increased
384
New positions
145
Reduced
350
Sold out
46
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 38.2M | Aug 7, 2026 |
| BLACKROCK, INC. | Reduced | 37.1M | May 13, 2026 |
| INVESCO LTD. | Reduced | 21.6M | May 12, 2026 |
| Invesco Ltd. | Reduced | 20.7M | Aug 14, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 18.3M | May 8, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Reduced | 18.2M | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 15.0M | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 14.8M | May 15, 2026 |
| STATE STREET CORP | Increased | 11.6M | May 15, 2026 |
| STATE STREET CORP | Reduced | 11.6M | Aug 7, 2026 |
| TORTOISE CAPITAL ADVISORS, L.L.C. | Reduced | 11.2M | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 10.4M | Aug 12, 2026 |
| TORTOISE CAPITAL ADVISORS, L.L.C. | Reduced | 10.2M | Aug 14, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | 9.9M | May 15, 2026 |
| BANK OF NEW YORK MELLON CORP | Increased | 9.1M | May 5, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.