Gulfport Energy officer sells 325 shares at $182.69

Gulfport Energy’s VP & CAO sold a small block of common shares and now directly holds 2,130 shares.

Rhea-AI Filing Summary

GULFPORT ENERGY CORP (GPOR) reported that officer Matthew Willrath, its VP & CAO, sold 325 shares of common stock on September 2, 2026 in an open-market or private transaction at about $182.69 per share. After this sale, he directly holds 2,130 common shares, and no Rule 10b5‑1 trading plan is reported.

Insider Trade Summary

Net Seller: 325 shares

Net Sell 1 txn

Insider Willrath Matthew

Role VP & CAO

Sold 325 shs ($59K)

Type	Security	Shares	Price	Value
Sale	Common Stock	325	$182.69	$59K

Holdings After Transaction: Common Stock — 2,130 shares (Direct)

Key Figures

Shares sold: 325 shares Sale price per share: $182.69 per share Shares held after transaction: 2,130 shares +1 more

4 metrics

Shares sold 325 shares Common stock sold by VP & CAO on September 2, 2026

Sale price per share $182.69 per share Price for the 325 common shares sold on September 2, 2026

Shares held after transaction 2,130 shares Direct common stock holdings of VP & CAO after the sale

Net shares sold 325 shares Net change in insider’s reported common share position in this filing

FAQ

What insider transaction did GPOR disclose for Matthew Willrath?

GPOR disclosed that officer Matthew Willrath, its VP & CAO, sold 325 shares of common stock on September 2, 2026 in an open-market or private transaction at about $182.69 per share.

How many GPOR shares does Matthew Willrath hold after this transaction?

After the reported sale, Matthew Willrath directly holds 2,130 shares of Gulfport Energy common stock. This figure reflects his direct ownership position following the September 2, 2026 transaction.

Was the September 2, 2026 GPOR insider sale under a Rule 10b5-1 plan?

No. The filing indicates that the Rule 10b5-1 checkbox is not marked, and there is no footnote stating that the 325-share sale on September 2, 2026 was effected under a Rule 10b5-1 trading plan.

What was the approximate price for the GPOR shares sold by the VP & CAO?

The 325 shares of Gulfport Energy common stock sold by VP & CAO Matthew Willrath on September 2, 2026 were transacted at about $182.69 per share, as reported in the Form 4 filing.

Is the GPOR insider transaction a purchase or a sale?

The reported insider transaction is a sale. On September 2, 2026, VP & CAO Matthew Willrath disposed of 325 shares of Gulfport Energy common stock in an open-market or private transaction.

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Available on EDGAR 09/03/2026 - 06:20 PM Accepted by SEC EDGAR 09/03/2026 - 06:12 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^*

Willrath Matthew

(Last) (First) (Middle)

713 MARKET DRIVE

(Street)

OKLAHOMA CITY OKLAHOMA 73114

(City) (State) (Zip)

UNITED STATES

(Country)

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)
	VP & CAO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/02/2026

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

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

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

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	09/02/2026		S		325	D	$182.69	2,130	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	09/03/2026
	** 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.
* Form 4: SEC 1474 (03-26)