Arcilia Acosta - Dec 1, 2025 Form 4 Insider Report for Magnolia Oil & Gas Corp (MGY)

Role: Director
Signature: /s/ Timothy D. Yang, Attorney-in-Fact
Stock symbol: MGY
Transactions as of: Dec 1, 2025
Transactions value $: $0
Form type: 4
Date filed: 12/2/2025, 04:07 PM
Previous filing: Sep 3, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Acosta Arcilia	Director	C/O MAGNOLIA OIL & GAS CORPORATION, NINE GREENWAY PLAZA, SUITE 1300, HOUSTON	/s/ Timothy D. Yang, Attorney-in-Fact	2025-12-02	0001629039

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MGY	Class A Common Stock	Award	$0	+76	+0.05%	$0.00	147K	Dec 1, 2025	Direct	F1

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

Explanation of Responses:

Id	Content
F1	Reflects additional fully-vested restricted stock units ("RSUs") issued under the Magnolia Oil & Gas Corporation Long Term Incentive Plan with respect to dividend equivalent rights on previously deferred RSUs held by the reporting person, in connection with the payment of cash dividends to holders of Class A common stock ("Class A Common Stock") of Magnolia Oil & Gas Corporation on December 1, 2025. Each RSU represents a contingent right to receive one share of Class A Common Stock.

Content

Reflects additional fully-vested restricted stock units ("RSUs") issued under the Magnolia Oil & Gas Corporation Long Term Incentive Plan with respect to dividend equivalent rights on previously deferred RSUs held by the reporting person, in connection with the payment of cash dividends to holders of Class A common stock ("Class A Common Stock") of Magnolia Oil & Gas Corporation on December 1, 2025. Each RSU represents a contingent right to receive one share of Class A Common Stock.