Magnolia CEO sells 119,954 shares in open market

Magnolia Oil & Gas Corp CEO & Chairman Christopher G. Stavros reported an open-market sale of Class A Common Stock.

Rhea-AI Filing Summary

Magnolia Oil & Gas Corp CEO & Chairman Christopher G. Stavros reported an open-market sale of Class A Common Stock. He sold 119,954 shares on March 9, 2026 at a weighted-average price of $29.288 per share.

The shares were sold in multiple transactions at prices ranging from $29.04 to $29.345. After this sale, he directly owns 883,592 shares of Magnolia Oil & Gas Corp Class A Common Stock.

Insights

Equity ownership & governance analyst

CEO completes open-market sale while retaining a substantial stake.

The CEO & Chairman, Christopher G. Stavros, executed an open-market sale of 119,954 Magnolia Oil & Gas Corp Class A shares at a weighted-average price of $29.288. The sale was carried out through multiple trades between $29.04 and $29.345 per share.

Following this transaction, he directly holds 883,592 Class A shares, indicating he maintains a significant equity position. The filing does not show any accompanying option exercises or derivative activity, as the derivative position table is empty in this report.

This pattern reflects a straightforward open-market disposition rather than a complex exercise-and-sell sequence. Future company filings may provide additional context on any subsequent transactions or changes in his overall ownership profile.

Insider Trade Summary

Net Seller: 119,954 shares

Net Sell 1 txn

Insider Stavros Christopher G

Role CEO & CHAIRMAN

Sold 119,954 shs ($3.51M)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	119,954	$29.288	$3.51M

Holdings After Transaction: Class A Common Stock — 883,592 shares (Direct)

Footnotes (1)

1. F1. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $29.04 to $29.345, inclusive. The reported person undertakes to provide to the Company, any Company security holder, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

FAQ

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How many Magnolia Oil & Gas (MGY) shares did the CEO sell?

The CEO & Chairman, Christopher G. Stavros, sold 119,954 shares of Magnolia Oil & Gas Class A Common Stock. These were open-market sales reported on a Form 4, reflecting a weighted-average price of $29.288 per share across multiple trades.

What price did Magnolia Oil & Gas (MGY) shares sell for in this Form 4?

The reported weighted-average sale price was $29.288 per share. According to the filing, individual trades occurred in a range between $29.04 and $29.345 per share, all on the same transaction date disclosed in the Form 4.

How many Magnolia Oil & Gas (MGY) shares does the CEO still own after the sale?

After the reported sale, Christopher G. Stavros directly owns 883,592 shares of Magnolia Oil & Gas Class A Common Stock. This remaining stake is disclosed in the Form 4 as the total shares beneficially owned following the open-market transaction.

Was the Magnolia Oil & Gas (MGY) insider transaction a buy or a sell?

The transaction was a sell. The Form 4 lists transaction code “S” and describes it as an open-market sale of Class A Common Stock, with 119,954 shares sold and no purchases or derivative exercises reported in this particular filing.

Who executed the insider transaction reported for Magnolia Oil & Gas (MGY)?

The reporting person is Christopher G. Stavros, who serves as CEO & Chairman of Magnolia Oil & Gas Corp. The Form 4 shows him as directly selling 119,954 shares of Class A Common Stock and retaining 883,592 shares after the transaction.

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Accepted by SEC EDGAR 03/11/2026 - 04:05 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Stavros Christopher G

(Last) (First) (Middle)

C/O MAGNOLIA OIL AND GAS CORPORATION

NINE GREENWAY PLAZA, SUITE 1300

(Street)

HOUSTON TX 77046

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Magnolia Oil & Gas Corp [ MGY ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CEO & CHAIRMAN

3. Date of Earliest Transaction (Month/Day/Year)
03/09/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	03/09/2026		S		119,954	D	$29.288(1)	883,592	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $29.04 to $29.345, inclusive. The reported person undertakes to provide to the Company, any Company security holder, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

	/s/ Timothy D. Yang , Attorney-in-Fact	03/11/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.