Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 8 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

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
April 16, 2012 MTDR A 4,271 · · 911,396 Direct +0.47% Acquired (price as of 2026-10-02)
April 16, 2012 MTDR A 17,083 · · 17,083 Direct · Acquired (price as of 2026-10-02)
April 16, 2012 MTDR A 4,271 · · 919,938 Direct +0.47% Acquired (price as of 2026-10-02)
April 16, 2012 MTDR A 4,271 · · 915,667 Direct +0.47% Acquired (price as of 2026-10-02)
Feb. 7, 2012 MTDR C 150,000 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
Feb. 7, 2012 MTDR C 150,000 · · 907,125 Direct +19.81% Acquired (price as of 2026-10-02)
Feb. 6, 2012 MTDR M 22,500 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
Feb. 6, 2012 MTDR M 22,500 $9.00 $202,500 757,125 Direct +3.06% Acquired 494.4% (price as of 2026-10-02)

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.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
April 16, 2012 MTDR Employee Stock Option Common Stock (17,083) $10.49 April 15, 2017 17,083 Acquired
Feb. 7, 2012 MTDR Class B Common Stock Common Stock (150,000) · · 150,000 Disposed
Feb. 6, 2012 MTDR Employee stock option (right to buy) Common Stock (22,500) $9.00 Feb. 7, 2012 22,500 Disposed

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

Initial ownership (Form 3) 5 holdings

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
Feb. 1, 2012 MTDR Class A Common Stock 734,625 Direct
Feb. 1, 2012 MTDR Class A Common Stock 48,375 Indirect
Feb. 1, 2012 MTDR Stock Option (right to buy)→ Class A Common Stock (22,500) 22,500 Direct
Feb. 1, 2012 MTDR Stock Option (right to buy)→ Class A Common Stock (15,000) 15,000 Direct
Feb. 1, 2012 MTDR Class B Common Stock→ Class A Common Stock (150,000) 150,000 Direct