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Insider

Albert Barkmann

Exec. VP and Chief Engineer

Albert Barkmann (Exec. VP and Chief Engineer) filed 2 Form 4 reports in the trailing twelve months (0 purchases, 2 sales), most often in Diamondback Energy, Inc. (FANG). The largest single filing was $732K of FANG (4,000 sh × $182.90, as filed), executed Mar 13.

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Return, ttmiAverage return per filing, trailing twelve months
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
returns measure stock purchases only
Filings, ttm
2
0 buys · 2 sells
Median delay
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$1.3M
shares × price, as filed
Last traded
May 15
Filed May 19

Median ADV $467.8M across their filed names

Open performance
Volume by month
$732K$366K$0Oct 2024Apr 2025Oct 2025Apr 2026Mar 2026 · sells $732KMay 2026 · sells $612K
Buys $0 Sells $1.3M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Energy 2 filings

Sector per market data · by filing · past 12 months

Most traded names
FANG Diamondback Energy, Inc. FANG · 0 buys · 2 sells 2 filings
Recent filings
FANGSALE Diamondback Energy, Inc. View filing → $612K
3,000 sh × $204.04
Exec May 15
Filed May 19 · 5:30 PM ET
FANGSALE Diamondback Energy, Inc. View filing → $732K
4,000 sh × $182.90
Exec Mar 13
Filed Mar 17 · 5:30 PM ET