Mark Lawrence Plaumann

Insider

First SEC filing: June 10, 2026 · Latest: June 10, 2026

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Insider at

0 buys (P) 1 sells (S) Net: $-98,250 + 2 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

2 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 9, 2026	FANG	S	500	$196.50	$98,250	13,437	—	—	9.5% (price as of 2026-08-20)
July 15, 2014	FANG	A	2,802	—	—	9,468 Direct	+42.03%	Acquired	(price as of 2026-08-20)
Oct. 11, 2012	FANG	A	6,666	—	—	6,666 Direct	—	Acquired	(price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Oct. 11, 2012	FANG	Restricted Stock Units [F1]	Common Stock (6,666)	—	—	6,666	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).