InsiderTrades

Plaumann Mark Lawrence

SEC CIK 1290795 · EDGAR

Buying vs selling by month open-market trades, last 24 months, all 2 companies
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
TUSKMAMMOTH ENERGY SERVICES, INC.Dir 5,000 $15.0K — 12026-09-162026-09-16
FANGDiamondback EnergyDir 12.4K — $560.4K 142022-06-092026-08-21

Most active insiders at TUSK, 12 months

#InsiderTitleBoughtSold
1 WEXFORD CAPITAL LPChief Business Off, Dir, 10% $10.47M—
2 Amron Arthur HDir $51.4K—
3 Plaumann Mark LawrenceDir $15.0K—
4 Jacobi Paul M.Chief Business Off, Dir ——
5 Lancaster PhillipDir ——
6 DAVIDSON CHARLES E10% ——

Transactions 15

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2026-09-17 16:50 2026-09-16 TUSK MAMMOTH ENERGY SERVICES, INC. Plaumann Mark Lawrence Dir P - Purchase $3.00 +5,000 5,000 New +$15.0K
2026-08-24 16:01 2026-08-21 FANG Diamondback Energy Plaumann Mark Lawrence Dir S - Sale $210.58 -1,000 12.4K -7% -$210.6K
2026-06-10 16:08 2026-06-09 FANG Diamondback Energy Plaumann Mark Lawrence Dir S - Sale $196.50 -500 13.4K -4% -$98.2K
2026-05-21 17:57 2026-05-20 FANG Diamondback Energy Plaumann Mark Lawrence Dir A - Grant $0.00 +982 13.9K +8% $0
2025-06-23 2025-06-19 FANG Diamondback Energy Plaumann Mark Lawrence Dir J - Other $0.00 +2,965 5,267 +129% $0
2025-05-22 2025-05-21 FANG Diamondback Energy Plaumann Mark Lawrence Dir A - Grant $0.00 +1,417 2,302 +160% $0
2024-12-09 2024-12-05 FANG Diamondback Energy Plaumann Mark Lawrence Dir G - Gift $0.00 -100 2,302 -4% $0
2024-11-14 2024-11-12 FANG Diamondback Energy Plaumann Mark Lawrence Dir J - Other $0.00 +5,862 5,862 New $0
2024-11-14 2024-11-13 FANG Diamondback Energy Plaumann Mark Lawrence Dir S - Sale $181.00 -1,150 4,712 -20% -$208.2K
I 2024-11-14 2024-11-12 FANG Diamondback Energy Plaumann Mark Lawrence Dir J - Other $0.00 -11.7K 9,476 -55% $0
I 2024-11-14 2024-11-13 FANG Diamondback Energy Plaumann Mark Lawrence Dir S - Sale $181.00 -240 9,236 -3% -$43.4K
2024-11-14 2024-11-13 FANG Diamondback Energy Plaumann Mark Lawrence Dir G - Gift $0.00 -2,310 2,402 -49% $0
I 2024-06-10 2024-06-06 FANG Diamondback Energy Plaumann Mark Lawrence Dir A - Grant $0.00 +1,035 21.2K +5% $0
I 2023-06-12 2023-06-08 FANG Diamondback Energy Plaumann Mark Lawrence Dir A - Grant $0.00 +1,527 20.2K +8% $0
I 2022-06-13 2022-06-09 FANG Diamondback Energy Plaumann Mark Lawrence Dir A - Grant $0.00 +1,274 18.6K +7% $0

Purchase Sale Sale after option exercise All abbreviations