Gulfport Energy (GPOR) CEO purchases 1,600 shares in open-market trade

Rhea-AI Filing Summary

Gulfport Energy Corp President & CEO Domenic J. Dell'Osso Jr. reported an open-market purchase of 1,600 shares of common stock on 2026-08-07 at $160.61 per share. Following this transaction, he directly owns 24,349 shares of Gulfport Energy common stock. The filing indicates the Rule 10b5-1 trading-plan checkbox was not selected.

Insider Trade Summary

Net Buyer: 1,600 shares

Net Buy 1 txn

Insider DELL'OSSO DOMENIC J JR

Role President & CEO

Bought 1,600 shs ($257K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	1,600	$160.61	$257K

Holdings After Transaction: Common Stock — 24,349 shares (Direct)

Key Figures

Shares purchased: 1,600 shares Purchase price: $160.61 per share Shares owned after transaction: 24,349 shares +1 more

4 metrics

Shares purchased 1,600 shares Common stock bought on 2026-08-07

Purchase price $160.61 per share Price for the 1,600-share common stock purchase

Shares owned after transaction 24,349 shares Direct common stock holdings following the reported trade

Transactions reported as buys 1 Non-derivative open-market or private purchase

Key Terms

Rule 10b5-1, open market or private transaction, Power of Attorney

3 terms

Rule 10b5-1 regulatory

"The filing’s Rule 10b5-1 checkbox was not selected"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

open market or private transaction financial

"Purchase in open market or private transaction"

Power of Attorney regulatory

"Exhibit 24 - Power of Attorney"

A power of attorney is a legal document that allows one person to make decisions and act on behalf of another person, often in financial or legal matters. It’s like giving someone a trusted helper or agent the authority to handle important tasks if you are unable to do so yourself. This matters to investors because it can impact how their assets are managed or transferred if they become unable to oversee their affairs.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/10/2026 - 05:03 PM Accepted by SEC EDGAR 08/10/2026 - 05:03 PM Learn about SEC filing dates

FAQ

What did Gulfport Energy (GPOR) CEO Domenic Dell'Osso report in this Form 4?

He reported buying 1,600 shares of Gulfport Energy common stock at $160.61 per share on 2026-08-07 in an open-market or private purchase transaction.

How many Gulfport Energy (GPOR) shares does the CEO hold after this transaction?

After the reported purchase, the CEO directly holds 24,349 shares of Gulfport Energy common stock, as disclosed in the Form 4 ownership table for this transaction.

Was the Gulfport Energy (GPOR) CEO’s trade made under a Rule 10b5-1 plan?

The filing’s Rule 10b5-1 checkbox is not selected, indicating the reported 1,600-share purchase was not affirmed as made pursuant to a Rule 10b5-1 trading plan.

What price did the Gulfport Energy (GPOR) CEO pay per share in this trade?

He paid an average price of $160.61 per share for the 1,600 shares of Gulfport Energy common stock purchased on 2026-08-07, described as an open-market or private transaction.

What type of security did the Gulfport Energy (GPOR) CEO acquire?

He acquired common stock of Gulfport Energy Corp, with the Form 4 listing a non-derivative transaction involving 1,600 shares purchased directly at $160.61 per share.

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^*

DELL'OSSO DOMENIC J JR

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/07/2026

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	08/07/2026		P		1,600	A	$160.61	24,349	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:

Exhibit List: Exhibit 24 - Power of Attorney

	/s/ Patrick Craine, Attorney-in-Fact	08/10/2026
	** 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)