GULFPORT ENERGY CORP reports

Company location: Oklahoma City, OK
Fiscal year end: 31 December

GULFPORT ENERGY CORP has filed 1,423 SEC EDGAR filings since 06 Nov 1996

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SEC filing history

Showing 651-675 of 1,000 matching filings.

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8-K File 000-19514

FORM 8-K

Filing date: 02 Nov 2017
Reporting date: 01 Nov 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 000-19514

FORM 8-K

Filing date: 11 Oct 2017
Reporting date: 05 Oct 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 000-19514

FORM 8-K

Filing date: 05 Oct 2017
Reporting date: 05 Oct 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 000-19514

FORM 8-K

Filing date: 05 Oct 2017
Reporting date: 04 Oct 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-51297

SC 13G/A filing

Filing date: 08 Sep 2017
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-51297

ROBECO INVESTMENT MANAGEMENT INC.

Filing date: 08 Sep 2017
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 000-19514

10-Q

Filing date: 09 Aug 2017
Reporting date: 30 Jun 2017
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 000-19514

FORM 8-K

Filing date: 09 Aug 2017
Reporting date: 08 Aug 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

EFFECT File 333-219198

EFFECT filing

Filing date: 04 Aug 2017
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

424B3 File 333-219198

FINAL PROSPECTUS

Filing date: 04 Aug 2017
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

S-4 File 333-219198

S-4

Filing date: 07 Jul 2017
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-51297

SC 13G/A

Filing date: 13 Jun 2017
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 000-19514

FORM 8-K

Filing date: 12 Jun 2017
Reporting date: 08 Jun 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 09 Jun 2017
Reporting date: 08 Jun 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 09 Jun 2017
Reporting date: 08 Jun 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 09 Jun 2017
Reporting date: 08 Jun 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 09 Jun 2017
Reporting date: 08 Jun 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 09 Jun 2017
Reporting date: 08 Jun 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

424B7 File 333-217362

424B7

Filing date: 26 May 2017
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 23 May 2017
Reporting date: 19 May 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 000-19514

10-Q

Filing date: 09 May 2017
Reporting date: 31 Mar 2017
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 000-19514

FORM 8-K

Filing date: 09 May 2017
Reporting date: 08 May 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

DEF 14A File 000-19514

DEF 14A

Filing date: 01 May 2017
Reporting date: 08 Jun 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

S-3ASR File 333-217362

S-3ASR

Filing date: 18 Apr 2017
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 000-19514

FORM 8-K

Filing date: 18 Apr 2017
Reporting date: 18 Apr 2017
SEC evidence: Open document Open filing
Next action: Verify source filing