Mark Lawrence Plaumann

FANG

Mark Lawrence Plaumann serves as director at Diamondback Energy, Inc. (FANG). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

1 trades

$15.0K

Total Sells

3 trades

$560.4K

Net Position

Net Seller

$545.4K

Companies Traded

TUSK, FANG

Active Period

Nov 2024 – Sep 2026

4 total trades

Most Recent

Buy TUSK

Sep 17, 2026 · $15.0K

Mark Lawrence Plaumann's Insider Trading at Diamondback Energy, Inc. (FANG)

Buys

0 · $0.00

Sells

3 · $560.4K

Total Shares Bought

Total Shares Sold

2,890

FANG Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Aug 24, 2026	Sell	1,000	$210.58	$210.6K	12,437
Jun 10, 2026	Sell	500	$196.50	$98.3K	13,437
Nov 14, 2024	Sell	1,390	$181.00	$251.6K	9,236

Mark Lawrence Plaumann's Insider Trading at Mammoth Energy Services, Inc. (TUSK)

Buys

1 · $15.0K

Sells

0 · $0.00

Total Shares Bought

5,000

Total Shares Sold

TUSK Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Sep 17, 2026	Buy	5,000	$3.00	$15.0K	5,000

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