Gulfport Energy (GPOR) SVP Sluiter sells 2,055 shares in open-market trade

Rhea-AI Filing Summary

Gulfport Energy (GPOR) senior vice president sells shares. SVP of Reservoir Engineering Michael Sluiter sold 2,055 shares of common stock in an open-market transaction at a price of $213.10 per share. After this sale, he directly holds 9,031 Gulfport Energy common shares.

Insider Trade Summary

Net Seller: 2,055 shares ($437,921)

Net Sell 1 txn

Insider SLUITER MICHAEL

Role SVP of Reservoir Engineering

Sold 2,055 shs ($438K)

Type	Security	Shares	Price	Value
Sale	Common Stock	2,055	$213.10	$438K

Holdings After Transaction: Common Stock — 9,031 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 03/06/2026 - 04:15 PM Learn about SEC filing dates

FAQ

What insider transaction did Gulfport Energy (GPOR) report for Michael Sluiter?

Gulfport Energy reported that Michael Sluiter, SVP of Reservoir Engineering, sold 2,055 shares of common stock. The transaction was an open-market sale at $213.10 per share, and it reduced but did not eliminate his direct ownership position in GPOR.

How many Gulfport Energy (GPOR) shares did Michael Sluiter sell and at what price?

Michael Sluiter sold 2,055 Gulfport Energy common shares at $213.10 per share. This open-market sale represents a single reported transaction and reflects the price per share he received for those disposed shares during the reported trade date.

How many Gulfport Energy (GPOR) shares does Michael Sluiter own after the sale?

After the reported sale, Michael Sluiter directly owns 9,031 Gulfport Energy common shares. This figure reflects his remaining direct holdings following the disposal of 2,055 shares in the open-market transaction disclosed in the Form 4 filing.

Was the Gulfport Energy (GPOR) insider transaction an open-market sale?

Yes, the filing classifies the trade as an open-market sale. The transaction code “S” and description “Sale in open market or private transaction” indicate the 2,055 GPOR shares were sold at a market-based price of $213.10 per share.

Does Michael Sluiter hold Gulfport Energy (GPOR) shares directly or indirectly after this Form 4?

Michael Sluiter holds his remaining 9,031 Gulfport Energy shares as direct ownership. The filing marks the ownership type as direct, with no footnotes indicating trusts, partnerships, or other entities controlling these reported common stock holdings.

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^*

SLUITER MICHAEL

(Last) (First) (Middle)

713 MARKET DRIVE

(Street)

OKLAHOMA CITY OK 73114

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
GULFPORT ENERGY CORP [ GPOR ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP of Reservoir Engineering

3. Date of Earliest Transaction (Month/Day/Year)
03/05/2026

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
Common Stock	03/05/2026		S		2,055	D	$213.1	9,031	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:

Remarks:

	/s/ Patrick Craine, Attorney-in-Fact	03/06/2026
	** 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.