Gulfport Energy (GPOR) CEO Domenic Dell'Osso Jr. files initial SEC Form 3

Rhea-AI Filing Summary

Gulfport Energy Corp director and President & CEO Domenic J. Dell'Osso Jr. filed an initial Form 3 as an insider of the company. This filing establishes his status as a reporting person for future disclosures of his holdings and any trades in Gulfport Energy common stock but, by itself, does not report any transactions or share ownership details.

Key Terms

Form 3, reporting person, ten percent owner

3 terms

Form 3 regulatory

"filed an initial Form 3 as an insider of the company"

Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.

reporting person regulatory

"establishes his status as a reporting person for future disclosures"

ten percent owner financial

"he is not a ten percent owner"

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SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

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. Date of Event Requiring Statement (Month/Day/Year)
05/28/2026

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

3a. Foreign Trading Symbol

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

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

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

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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

Exhibit List: Exhibit 24 - Power of Attorney

No securities are beneficially owned.

	/s/ Domenic J. Dell Osso, Jr.	06/01/2026
	** 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 5 (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 3: SEC 1473 (03-26)

FAQ

What does the Gulfport Energy (GPOR) Form 3 for Domenic J. Dell'Osso Jr. show?

The Form 3 identifies Domenic J. Dell'Osso Jr. as a director and President & CEO of Gulfport Energy Corp. It establishes him as an insider who must report future transactions in GPOR securities.

Does the GPOR Form 3 for Domenic J. Dell'Osso Jr. report any stock trades?

No, this Form 3 does not report any buy or sell transactions. It is an initial beneficial ownership statement that sets up ongoing reporting obligations for future trades or holdings changes.

What insider roles does Domenic J. Dell'Osso Jr. hold at Gulfport Energy (GPOR)?

Domenic J. Dell'Osso Jr. is listed as both a director and an officer of Gulfport Energy Corp, with the officer title of President & CEO, making him a key reporting person under SEC rules.

Is Domenic J. Dell'Osso Jr. reported as a 10% owner of GPOR on this Form 3?

No, the Form 3 indicates he is not a ten percent owner. He is reported in his capacities as a director and as President & CEO, not as a large beneficial shareholder above the 10% threshold.

What is the purpose of a Form 3 filing for Gulfport Energy insiders like Domenic J. Dell'Osso Jr.?

Form 3 is the SEC’s initial statement of beneficial ownership for insiders. It formally records an insider’s reporting status so that any future stock transactions or changes in beneficial ownership must be disclosed on Forms 4 or 5.