UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

May 8, 2014

Date of Report (Date of earliest event reported)

TIBCO Software Inc.

(Exact name of registrant as specified in its charter)

3303 Hillview Avenue

Palo Alto, California 94304-1213

(Address of principal executive offices, including zip code)

(650) 846-1000

(Registrant’s telephone number, including area code)

Not Applicable

(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:

Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

(b) TIBCO Software Inc. (the “Company”) announced today that Matthew Langdon resigned his position as Senior Vice President, Chief Financial Officer of the Company on May 8, 2014, effective on May 13, 2014. Mr. Langdon’s resignation is not the result of any issue or concern with the Company’s accounting, financial reporting or internal control over financial reporting.

(c) The Company simultaneously announced the appointment of Jim Johnson to the position of Senior Vice President, Chief Financial Officer. Mr. Johnson was appointed as TIBCO’s Chief Financial Officer by the Board of Directors on May 13, 2014, effective immediately, and will report to the Company’s Chief Operating Officer.

Mr. Johnson, age 57, joined the Company as a Vice President in April 2014 through the acquisition of Jaspersoft Corporation where he had served as Chief Financial Officer since April 2011. From October 2009 to March 2011, Mr. Johnson was the Chief Financial Officer of MSC Software Corporation. Prior to MSC Software, Mr. Johnson served as Chief Financial Officer at VGH, an Elevation Partners-owned company, and held executive-level finance positions at VERITAS Software Corporation and Sun Microsystems, Inc. In connection with the appointment, Mr. Johnson’s annual salary will be increased to $400,000, and he will be eligible to participate in TIBCO’s Executive Incentive Compensation Plan. In addition, Mr. Johnson will receive an award of 40,000 shares of restricted stock and 150,000 performance-based restricted stock units.

With respect to the disclosure required pursuant to Section 401(d) of Regulation S-K, there are no family relationships between Mr. Johnson and any director or executive officer of TIBCO. With respect to Section 404(a) of Regulation S-K, there are no relationships or related transactions between Mr. Johnson and TIBCO that would be required to be reported.

The text of the press released entitled “TIBCO Appoints New Chief Financial Officer” is filed herewith as Exhibit 99.1.

Item 9.01. Financial Statements and Exhibits

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: May 13, 2014

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