Updated Jul 16, 2026 · Last SEC filing 2026-07-14
Antero Midstream Corp (AM) has filed 10 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-14. 3 Form 8-K material event filings were reported by AM in the last 90 days. 2 Form 144 notices of proposed sale were filed for AM stock. InsiderAlpha tracks every AM SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Natural Gas Transmission (SIC 4922) |
|---|---|
| SEC CIK | 0001623925 |
| Form 4 filings (90d) | 10 |
|---|---|
| Form 8-K filings (90d) | 3 |
| Form 144 notices (90d) | 2 |
| Latest Form 4 filing | 2026-07-14 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| KEYTE DAVID H | Director | A — Grant or award | 3.2K | $0.00 | — | SEC | |
| MCARDLE JANINE J | Director | A — Grant or award | 1.9K | $0.00 | — | SEC | |
| Munoz Jeffrey S. | Director | A — Grant or award | 1.9K | $0.00 | — | SEC | |
| KLIMLEY BROOKS J | Director | A — Grant or award | 1.9K | $0.00 | — | SEC | |
| Chisholm Nancy | Director | A — Grant or award | 1.9K | $0.00 | — | SEC | |
| Keenan W Howard JR | Director | A — Grant or award | 1.9K | $0.00 | — | SEC | |
| DEA PETER A | Director | A — Grant or award | 1.9K | $0.00 | — | SEC | |
| MOLLENKOPF JOHN C | Director | A — Grant or award | 1.9K | $0.00 | — | SEC | |
| Schultz Yvette K | See Remarks | S — Open-market sale | 69.3K | $21.90 | $1.52M | SEC | |
| Kennedy Michael N. | See Remarks | S — Open-market sale | 100.0K | $21.92 | $2.19M | SEC | |
| MOLLENKOPF JOHN C | Director | A — Grant or award | 1.6K | $0.00 | — | SEC | |
| KLIMLEY BROOKS J | Director | A — Grant or award | 1.6K | $0.00 | — | SEC | |
| Munoz Jeffrey S. | Director | A — Grant or award | 1.6K | $0.00 | — | SEC | |
| KEYTE DAVID H | Director | A — Grant or award | 3.0K | $0.00 | — | SEC | |
| MCARDLE JANINE J | Director | A — Grant or award | 1.6K | $0.00 | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Antero Midstream Corp (AM). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| DEA PETER A | 1 | — |
| KEYTE DAVID H | 1 | — |
| MOLLENKOPF JOHN C | 1 | — |
| KLIMLEY BROOKS J | 1 | — |
| MCARDLE JANINE J | 1 | — |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in AM insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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