Form 4 for MTDR Matador Resources Co

Accepted 2026-01-08 00:00:00 ET · period of report 2026-01-06 · accession 0001628280-26-001426 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
	2026-01-08	2026-01-06	MTDR	Elsener William Thomas	EVP, Reservoir Engineering	A - Grant	$0.00	+3,480	116.3K	+3%	$0
	2026-01-08	2026-01-06	MTDR	Elsener William Thomas	EVP, Reservoir Engineering	F - Tax	$41.41	-1,554	114.8K	-1%	-$64.4K

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2026-01-06	A	A	3,480	$0.00	116,334	D	—	—	(F1) Represents shares received in settlement of performance stock units granted to the reporting person on February 16, 2023 (the "2023 Performance Stock Grant"), which settled at 58% of target based upon the Issuer's relative total shareholder return over a three-year performance period from January 1, 2023 to December 31, 2025. (F3) Includes 2,667 shares of restricted stock granted to the reporting person on February 16, 2023 that vest on the third anniversary of the date of grant. (F2) Includes shares acquired pursuant to the Issuer's Employee Stock Purchase Plan. Such acquisitions are exempt under Rule 16b-3.
2	Common	Common Stock	2026-01-06	F	D	1,554	$41.41	114,780	D	—	—	(F4) Represents shares withheld by the Issuer in connection with the reporting person's net share settlement to satisfy tax liability upon settlement of the 2023 Performance Stock Grant. No shares were sold by the reporting person to satisfy this tax liability. (F3) Includes 2,667 shares of restricted stock granted to the reporting person on February 16, 2023 that vest on the third anniversary of the date of grant. (F2) Includes shares acquired pursuant to the Issuer's Employee Stock Purchase Plan. Such acquisitions are exempt under Rule 16b-3.