UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): March 1, 2016

GOODRICH PETROLEUM CORPORATION

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code: (713) 780-9494

N/A

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

On March 1, 2016, Goodrich Petroleum Corporation (the “Company”) appointed Robert T. Barker, the Company’s Vice President, Controller and Chief Accounting Officer as Interim Chief Financial Officer. Mr. Barker replaces Joseph T. Leary who served as the Company’s Interim Chief Financial Officer since October 15, 2015. Mr. Leary’s resignation on March 1, 2016 did not result from any disagreement with the Company regarding any matter related to the Company’s operations, policies or practices.

In this role, Mr. Barker will serve as the Company’s interim principal financial officer in addition to his other roles. Mr. Barker will receive an annual salary of $200,000, and he will be eligible for other usual and customary benefits. Mr. Barker joined the Company in 2007 and has been its Chief Accounting Officer since 2015.

There are no arrangements or understandings between Mr. Barker and any other person pursuant to which he was selected as Interim Chief Financial Officer, nor are there any family relationships between Mr. Barker and any of the Company’s directors or executive officers. There are no transactions between Mr. Barker and the Company that would be reportable under Item 404(a) of Regulation S-K promulgated under the Securities Exchange Act of 1934, as amended.

On March 3, 2016, the Company filed an amendment to extend the expiration date of its previously commenced offers to exchange (the “Preferred Stock Exchange Offers”) any and all of the shares of the Company’s outstanding 5.375% Series B Cumulative Convertible Preferred Stock, any and all of the depositary shares representing the Company’s outstanding 10.00% Series C Cumulative Preferred Stock, any and all of the depositary shares representing the Company’s outstanding 9.75% Series D Cumulative Preferred Stock and any and all of the depositary shares representing the Company’s outstanding 10.00% Series E Cumulative Convertible Preferred Stock for newly issued shares of the Company’s common stock, par value $0.20 per share (the “Common Stock”).

In addition, on March 3, 2016, the Company filed an amendment to extend the expiration date of its previously commenced offers to exchange (the “Unsecured Notes Exchange Offers” and, together with the Preferred Stock Exchange Offers, the “Exchange Offers”) any and all of the Company’s outstanding 8.875% Senior Notes due 2019, 3.25% Convertible Senior Notes due 2026, 5.00% Convertible Senior Notes due 2029, 5.00% Convertible Senior Notes due 2032 and 5.00% Convertible Exchange Senior Notes due 2032 for newly issued shares of Common Stock.

The Exchange Offers will now expire at 5:00 p.m., New York City time, on March 16, 2016, unless the Company extends the Exchange Offers or terminates them earlier. A copy of the related press release is filed herewith as Exhibit 99.1 and incorporated herein by reference.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: March 3, 2016

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