W. Howard Keenan Jr. serves as Director of Antero Midstream Corp (AM). Keenan has also held reporting roles at ANTERO RESOURCES Corp (AR) and Solaris Energy Infrastructure, Inc. (SEI). Keenan has reported 14 insider filings with the SEC since 2024. The most recent filing was in July 2026.
Every role W. Howard Keenan Jr. has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
Solaris Energy Infrastructure, Inc. (SEI)1 filingAntero Midstream Corp (AM)1 filingANTERO RESOURCES Corp (AR)1 filingUpdated Aug 31, 2026
W. Howard Keenan Jr. is Director of Solaris Energy Infrastructure, Inc. (SEI). 15 SEC Form 4 filings on record going back to 2024, most recently on 25 August 2026. Most recent open-market trade: sold $149.00M of SEI on 8 May 2026. Lifetime open-market sales: $172.41M.
Every recent SEC Form 4 transaction W. Howard Keenan Jr. has reported, most recent first.
InsiderAlpha's records for W. Howard Keenan Jr. go back to 2024: 15 primary Form 4 filings, an average of 5.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Insiders who reported open-market trades in the last 12 months at the companies W. Howard Keenan Jr. files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
W. Howard Keenan Jr. is a corporate insider, tracked as Director of Solaris Energy Infrastructure, Inc. (SEI). InsiderAlpha holds 15 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
3 primary Form 4 filings in the last 90 days, covering 3 companies.
Recorded transactions: 0 open-market purchases and 2 open-market sales ($172.41M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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$AR ANTERO RESOURCES Corp1.6K shares @ $0.00-