Robert T. Macalik - Jul 28, 2021 Form 4 Insider Report for Matador Resources Co (MTDR)

Role: SVP, Chief Accounting Officer
Signature: /s/ Robert T. Macalik, by Brian J. Willey as attorney-in-fact
Stock symbol: MTDR
Transactions as of: Jul 28, 2021
Transactions value $: $44,400
Form type: 4
Date filed: 7/30/2021, 05:12 PM
Previous filing: Jun 24, 2021
Next filing: Aug 5, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MTDR	Common Stock	Options Exercise	$44.4K	+3K	+6.22%	$14.80	51.2K	Jul 28, 2021	Direct	F1, F2, F3
holding	MTDR	Common Stock						27.2K	Jul 28, 2021	Represents shares held of record by the reporting person's Individual Retirement Account

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	MTDR	Employee Stock Option	Options Exercise	$0	-3K	-24%	$0.00	9.5K	Jul 28, 2021	Common Stock	3K	$14.80	Direct	F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The reporting person paid cash to the Issuer to exercise employee stock options that were granted to the reporting person on August 28, 2019. No shares were sold or forfeited by the reporting person to satisfy the exercise price or the tax liability.
F2	Includes 12,500 shares of restricted stock granted to the reporting person on June 4, 2021 that vest in equal annual installments on the first, second and third anniversaries of the date of the grant.
F3	Includes 2,563 shares of restricted stock granted to the reporting person on April 29, 2019 that vest on the third anniversary of the date of the grant.
F4	The employee stock options were granted to the reporting person on August 28, 2019 and vest in equal annual installments on the first, second and third anniversaries of the date of grant; 4,166 employee stock options were vested as of July 28, 2021.