GULFPORT ENERGY CORP (GPOR) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-06-02

GULFPORT ENERGY CORP (GPOR) has filed 10 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-02. 2 Form 8-K material event filings were reported by GPOR in the last 90 days. InsiderAlpha tracks every GPOR SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About GULFPORT ENERGY CORP (GPOR)

SIC classification	Crude Petroleum & Natural Gas (SIC 1311)
SEC CIK	0000874499

90-Day SEC Filing Activity

Form 4 filings (90d)	10
Form 8-K filings (90d)	2
Latest Form 4 filing	2026-06-02

Recent GPOR Insider Transactions (Form 4)

Date	Insider	Role	Transaction	Shares	Price	Value	Filing
2026-05-28	Silver Point Capital L.P.	Insider	A — Grant or award	1.0K	$0.00	—	SEC
2026-05-28	Shafer-Malicki Mary	Director	A — Grant or award	1.0K	$0.00	—	SEC
2026-05-28	Powers Jean Marie	Director	A — Grant or award	1.0K	$0.00	—	SEC
2026-05-28	Reganato David A	Insider	A — Grant or award	1.0K	$0.00	—	SEC
2026-05-28	DELL'OSSO DOMENIC J JR	President & CEO	A — Grant or award	22.7K	$0.00	—	SEC
2026-05-28	SLUITER MICHAEL	SVP of Reservoir Engineering	A — Grant or award	1.3K	$0.00	—	SEC
2026-05-28	Cutt Timothy J.	Director	A — Grant or award	1.0K	$0.00	—	SEC
2026-05-28	Martinez Jason Joseph	Director	A — Grant or award	1.0K	$0.00	—	SEC
2026-05-28	Wolf David D	Director	A — Grant or award	1.0K	$0.00	—	SEC
2026-05-26	Willrath Matthew	VP & CAO	F — Tax withholding / forfeiture	134	$178.22	$24K	SEC
2026-04-03	HODGES MICHAEL L	EVP & CFO	F — Tax withholding / forfeiture	1.5K	$207.00	$306K	SEC
2026-04-02	Martinez Jason Joseph	Director	S — Open-market sale	400	$213.40	$85K	SEC
2026-03-24	Zitkus Lester	SVP, Land	S — Open-market sale	1.9K	$213.90	$401K	SEC
2026-03-09	Cutt Timothy J.	Director	A — Grant or award	4.7K	$0.00	—	SEC
2026-03-05	SLUITER MICHAEL	SVP of Reservoir Engineering	S — Open-market sale	2.1K	$213.10	$438K	SEC

All transactions sourced from SEC EDGAR Form 4 filings for GULFPORT ENERGY CORP (GPOR). Updated in real time as new filings are submitted to the SEC.

Most-Active GPOR Insiders — Last 90 Days

Insider	Form 4 filings	Total transaction value
Cutt Timothy J.	1	—
Silver Point Capital L.P.	1	—
DELL'OSSO DOMENIC J JR	1	—
Martinez Jason Joseph	1	—
Wolf David D	1	—

Recent GPOR Form 8-K Material Events

2026-06-01 — Item 5.02, 5.07 [SEC]
2026-05-05 — Item 2.02, 7.01, 9.01 [SEC]
2026-03-09 — Item 5.02, 7.01, 9.01 · Leadership · negative [SEC]
John Reinhart resigned as President, CEO, and Director of Gulfport Energy Corporation effective immediately on March 6, 2026. The Board has created an Office of the Chairman led by Timothy Cutt while conducting an executive search for a new CEO, and has implemented retention agre
2026-03-04 — Item 7.01 · Other · neutral [SEC]
Gulfport Energy Corporation announced a share repurchase agreement to buy back 84,416 shares of its common stock from Silver Point Capital at $204.22 per share for approximately $17.2 million. The repurchase, representing a 2.3% discount to the prior day's closing price, is part
2026-02-24 — Item 2.02, 7.01, 9.01 · Earnings · neutral [SEC]
Gulfport Energy reported its Q4 2025 and full-year 2025 financial and operating results on February 24, 2026, along with 2026 operational and financial guidance. The company also posted an updated investor presentation. This is a routine earnings disclosure with forward guidance,

Recent Insider Filings

2026-06-02 — Silver Point Capital L.P. (Insider)
2026-06-02 — Reganato David A (Insider)
2026-06-01 — Cutt Timothy J. (Director)
2026-06-01 — SLUITER MICHAEL (SVP of Reservoir Engineering)
2026-06-01 — DELL'OSSO DOMENIC J JR (President & CEO)

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in GPOR insider filings:

P	Open-market purchase by the insider
S	Open-market sale by the insider
A	Grant, award, or other acquisition from the issuer
M	Exercise or conversion of derivative security (e.g. options)
F	Payment of exercise price or tax liability via share withholding
G	Bona-fide gift of securities
D	Disposition to the issuer (e.g. share buyback participation)
J	Other acquisition or disposition
X	Exercise of in-the-money or at-the-money derivative security
C	Conversion of derivative security
V	Transaction voluntarily reported earlier than required

GPOR Insider Trading — FAQ

What is the latest insider trade for GPOR?: GULFPORT ENERGY CORP (GPOR) had 10 insider filings in the last 90 days, with the most recent on 2026-06-02. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying GPOR stock?: 0 insider purchases of GPOR were filed in the last 90 days.
How many insiders are selling GPOR stock?: 0 insider sales of GPOR were filed in the last 90 days.
Where can I see GPOR SEC filings (Form 4, 10-K, 10-Q, 8-K)?: InsiderAlpha aggregates every GPOR SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

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