GPOR
GULFPORT ENERGY CORP · Energy · Market cap $3.1B
Insiders bought $198K net in the last 90 days ·1 seller, 1 buyer· latest Form 4 filed Sep 3, 2026
Insider Buying
$257K
reported purchases (SEC code P)
Insider Selling
$251.4M
reported sales (SEC code S)
Unique Insiders
11
in the rolling window
Latest filing
Sep 3, 2026
Willrath Matthew
GULFPORT ENERGY CORP (GPOR) has 43 SEC Form 4 filings (74 transaction rows) in the rolling window, disclosed by 11 distinct insiders. Most recent filing: Sep 3, 2026.
Inside the rolling window, 11 insiders at GULFPORT ENERGY CORP reported 1 open-market purchase totaling $257K and 20 open-market sales totaling $251.4M. The most active filer is Director Cutt Timothy J. with 4 filings. Insiders have net sold $288K over the trailing 6 months. The most recent open-market filing is a sale of 325 shares by VP & CAO Willrath Matthew, dated Sep 2, 2026, worth $59K.
- Industry:Oil & Gas Exploration & Production
- CEO:John Reinhart
- Employees:245
- HQ:Oklahoma City, OK, US
- IPO:2021-05-18
| Source | |||||||
|---|---|---|---|---|---|---|---|
Willrath MatthewFirst in 6 months | VP & CAO | Sale | 325 | $59K | Sep 3 | -4.7% | SEC ↗ |
DELL'OSSO DOMENIC J JRFirst filing | President & CEO | Purchase | 1,600 | $257K | Aug 10 | +3.1% | SEC ↗ |
Martinez Jason JosephFirst filing | Director | Sale | 400 | $85K | Apr 3 | -15.8% | SEC ↗ |
| SVP, Land | Sale | 1,873 | $401K | Mar 26 | -19.3% | SEC ↗ | |
| CLAO and Corp Secretary | Sale | 2,000 | $418K | Mar 6 | -18.1% | SEC ↗ | |
| SVP of Reservoir Engineering | Sale | 2,055 | $438K | Mar 6 | -18.1% | SEC ↗ | |
| Director | Sale | 2,500 | $523K | Mar 6 | -18.1% | SEC ↗ | |
Willrath MatthewFirst filing | VP & CAO | Sale | 497 | $107K | Mar 6 | -18.1% | SEC ↗ |
| Director, 10% Owner | Sale | 759,740 | $155.2M | Mar 4 | -17.4% | SEC ↗ | |
| Director, 10% Owner | Sale | 84,416 | $17.2M | Mar 4 | — | SEC ↗ | |
HODGES MICHAEL LFirst filing | EVP & CFO | Sale | 16,769 | $3.5M | Mar 3 | — | SEC ↗ |
| Director | Sale | 5,000 | $1.0M | Mar 3 | — | SEC ↗ | |
SLUITER MICHAELFirst filing | SVP of Reservoir Engineering | Sale | 9,933 | $2.1M | Mar 3 | — | SEC ↗ |
Zitkus LesterFirst filing | SVP, Land | Sale | 4,745 | $881K | Jan 9 | — | SEC ↗ |
Rucker MatthewFirst filing | EVP & COO | Sale | 10,732 | $2.0M | Jan 6 | — | SEC ↗ |
Craine Patrick K.First filing | CLAO and Corp Secretary | Sale | 11,929 | $2.3M | Jan 6 | — | SEC ↗ |
| Director | Sale | 2,500 | $537K | Dec 31 | — | SEC ↗ | |
Silver Point Capital L.P.First filing | Director, 10% Owner | Sale | 244,489 | $53.7M | Dec 3 | — | SEC ↗ |
Silver Point Capital L.P.First filing | Director, 10% Owner | Sale | 45,546 | $10.0M | Dec 3 | — | SEC ↗ |
Wolf David DFirst filing | Director | Sale | 1,525 | $321K | Nov 13 | — | SEC ↗ |
Cutt Timothy J.First filing | Director | Sale | 2,635 | $555K | Nov 13 | — | SEC ↗ |
Congress trading GPOR 1 all-time
- DRep. Gilbert Ray CisnerosOther$1,001 - $15,0002026-01-09
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Frequently asked questions
How many SEC Form 4 insider filings does GPOR have?
GULFPORT ENERGY CORP (GPOR) has 43 SEC Form 4 filings (74 transaction rows) in the rolling 365-day window, disclosed by 11 distinct insiders. Most recent filing: Sep 3, 2026.
When was the most recent SEC Form 4 filing for GPOR?
The most recent Form 4 filing for GPOR on Tracefour is dated Sep 3, 2026.
Who is the most active insider at GPOR?
The most active SEC Form 4 filer at GPOR in the rolling window is Director Cutt Timothy J., with 4 filings.
What is the net insider flow at GPOR over the last 6 months?
Over the trailing 180 days, insiders at GPOR have net sold $288K based on SEC Form 4 disclosures.
What is the total insider buy and sell value at GPOR in the current window?
Inside the rolling window, insiders at GPOR bought $257K and sold $251.4M based on SEC Form 4 filings.
Can I get alerts for GPOR insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at GULFPORT ENERGY CORP (GPOR). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
GULFPORT ENERGY CORP is in the Energy sector.