Michael Sluiter - 28 May 2026 Form 4 Insider Report for GULFPORT ENERGY CORP (GPOR)

Reporting relationship: SVP of Reservoir Engineering
Issuer ticker: GPOR
Reported as of: 28 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 01 Jun 2026, 19:17:32 UTC
Prior SEC filing: 06 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Patrick Craine, Attorney-in-Fact

Key filing fact

Michael Sluiter filed Form 4 for GULFPORT ENERGY CORP (GPOR) on 01 Jun 2026.

Key facts

This page summarizes Michael Sluiter's Form 4 filing for GULFPORT ENERGY CORP (GPOR).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 01 Jun 2026, 19:17.

Change

Previous filing in this sequence was filed on 06 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001761731 Primary reporting owner

SLUITER MICHAEL

Relationship: SVP of Reservoir Engineering
Address: 713 MARKET DRIVE, OKLAHOMA CITY
Signature: /s/ Patrick Craine, Attorney-in-Fact
Signature date: 01 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

GPOR transaction

Common Stock

Award

Transaction value
Shares: +1,307
Change %: +14%
Price: $0.000000^*
Shares after: 10,338
Date: 28 May 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Amount represents the number of shares of restricted stock granted under the 2021 Stock Incentive Plan. The shares will vest in one installment beginning on May 28, 2027.