Routine share withholding; mechanical by default.
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Albert Barkmann is Exec. VP and Chief Engineer at Diamondback Energy. OQRO lists 9 transactions filed with the SEC under this name, the latest on Sep 14, 2026, each linked to the official Form 4.
Exec. VP and Chief Engineer
Disclosures on record
9
Companies involved
1
Routine share withholding; mechanical by default.
Stock since the trade -9.6% · S&P 500 +4.8% · to Oct 5
Diamondback Energy's Exec. VP and Chief Engineer sold $612K of Diamondback Energy shares. Nobody planned it ahead of time.
Stock since the trade +0.9% · S&P 500 +17.0% · to Oct 5
Diamondback Energy's Exec. VP and Chief Engineer sold $732K of Diamondback Energy shares. Nobody planned it ahead of time.
Compensation award — excluded from discretionary-purchase analysis.
Compensation award — excluded from discretionary-purchase analysis.
Routine share withholding; mechanical by default.
Routine share withholding; mechanical by default.
Routine share withholding; mechanical by default.
Routine share withholding; mechanical by default.