Arcilia Acosta - 02 Mar 2026 Form 4 Insider Report for Magnolia Oil & Gas Corp (MGY)

Role: Director
Signature: /s/ Timothy D. Yang, Attorney-in-Fact
Issuer symbol: MGY
Transactions as of: 02 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 04 Mar 2026, 16:05:48 UTC
Previous filing: 02 Dec 2025
Next filing: 11 Mar 2026
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	04 Mar 2026	0001629039

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MGY	Class A Common Stock	Award		+69	+0.05%	$0.000000^*	147,484	02 Mar 2026	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 March 2, 2026. 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 March 2, 2026. Each RSU represents a contingent right to receive one share of Class A Common Stock.