FIS

8-K

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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: February 24, 2026

Fidelity National Information Services, Inc. (Exact Name of Registrant as Specified in its Charter)

Georgia

1-16427

37-1490331

(State or Other Jurisdiction of Incorporation)

(Commission File Number)

(IRS Employer Identification No.)

347 Riverside Avenue Jacksonville, Florida

32202

(Address of Principal Executive Offices)

(Zip Code) Registrants’ Telephone Number, including Area Code: (904) 438-6000 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:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Common Stock, par value $0.01 per share

FIS

New York Stock Exchange

1.500% Senior Notes due 2027

FIS27

New York Stock Exchange

1.000% Senior Notes due 2028

FIS28

New York Stock Exchange

2.250% Senior Notes due 2029

FIS29

New York Stock Exchange

2.000% Senior Notes due 2030

FIS30

New York Stock Exchange

3.360% Senior Notes due 2031

FIS31

New York Stock Exchange

2.950% Senior Notes due 2039

FIS39

New York Stock Exchange Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition.

As previously announced, on January 9, 2026, Fidelity National Information Services, Inc., a Georgia corporation (“FIS” or the “Company”), completed its (i) acquisition of the Issuer Solutions business (the “Issuer Solutions Business”) from Global Payments Inc., a Georgia corporation (“Global Payments”) and (ii) sale of all of its equity interests in Worldpay Holdco, LLC, a Delaware limited liability company (“Worldpay”), pursuant to the transaction agreement, entered into on April 17, 2025, by and among FIS, Global Payments, Total System Services LLC, a Delaware limited liability company and Worldpay. Supplemental Financial Data Due to the financial impact of the transactions described above, FIS management desires to furnish investors with the additional information set forth herein to improve the understanding of the Company’s operating performance. The purpose of the schedules included in Exhibit 99.1 attached hereto is to recalculate certain non-GAAP measures of the Company’s historical financial performance on an adjusted combined company basis for the fiscal years ended December 31, 2024 and 2025, and the related quarters for 2025. The Company has derived certain non-GAAP measures from unaudited pro forma condensed combined financial information of FIS and the Issuer Solutions Business and notes thereto prepared in accordance with Article 11 of Regulation S-X for the year ended December 31, 2025 set forth in Exhibit 99.2 to the Company’s Current Report on Form 8-K/A filed on February 24, 2026. The information included in this Item 2.02, including the accompanying exhibit, is being furnished and shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section. The information in this Item 2.02

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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): February 24, 2026

Fidelity National Information Services, Inc. (Exact name of Registrant as Specified in its Charter)

1-16427 (Commission File Number)

Georgia 37-1490331 (State or Other Jurisdiction of Incorporation or Organization) (IRS Employer Identification Number)

347 Riverside Avenue Jacksonville, Florida 32202 (Addresses of Principal Executive Offices)

(904) 438-6000 (Registrant's Telephone Number, Including Area Code) (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:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

TradingName of each exchange Title of each classSymbol(s)on which registered Common Stock, par value $0.01 per shareFISNew York Stock Exchange 1.500% Senior Notes due 2027FIS27New York Stock Exchange 1.000% Senior Notes due 2028FIS28New York Stock Exchange 2.250% Senior Notes due 2029FIS29New York Stock Exchange 2.000% Senior Notes due 2030FIS30New York Stock Exchange 3.360% Senior Notes due 2031FIS31New York Stock Exchange 2.950% Senior Notes due 2039FIS39New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

Item 2.02 Results of Operations and Financial Condition.

On February 24, 2026, Fidelity National Information Services, Inc. (the "Company") issued a press release announcing financial results for the three months and year ended December 31, 2025, and guidance for the three months ending March 31, 2026, and year ending December 31, 2026. A copy of the press release is furnished herewith as Exhibit 99.1 and is incorporated by reference herein.

The information included in this Item 2.02, including the accompanying exhibits, is being furnished and shall not be deemed "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that Section. The information in this Item 2.02 shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended (the "Securities Act"), or the Exchange Act, regardless of any general incorporation language in such filing.

Item 9.01. Financial Statements and Exhibits

(d) Exhibits

Exhibit Number Exhibit Description 99.1 Press release of Fidelity National Information Services, Inc., dated February 24, 2026, regarding financial results for the three months and year ended December 31, 2025, and guidance for the three months ending March 31, 2026, and year ending December 31, 2026.

104Cover Page Interactive Data File (embedded within the Inline XBRL document).

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.

Fidelity National Information Services, Inc. (Registrant) Date: February 24, 2026By:/s/ James Kehoe Name:James Kehoe Title:Chief Financial Officer

Fidelity National Information Services, Inc. Date: February 24, 2026By:/s/ Alexandra Brooks Name:Alexandra Brooks

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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): November 5, 2025

Fidelity National Information Services, Inc. (Exact name of Registrant as Specified in its Charter)

1-16427 (Commission File Number)

Georgia 37-1490331 (State or Other Jurisdiction of Incorporation or Organization) (IRS Employer Identification Number)

347 Riverside Avenue Jacksonville, Florida 32202 (Addresses of Principal Executive Offices)

(904) 438-6000 (Registrant's Telephone Number, Including Area Code) (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:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

TradingName of each exchange Title of each classSymbol(s)on which registered Common Stock, par value $0.01 per shareFISNew York Stock Exchange 0.625% Senior Notes due 2025FIS25BNew York Stock Exchange 1.500% Senior Notes due 2027FIS27New York Stock Exchange 1.000% Senior Notes due 2028FIS28New York Stock Exchange 2.250% Senior Notes due 2029FIS29New York Stock Exchange 2.000% Senior Notes due 2030FIS30New York Stock Exchange 3.360% Senior Notes due 2031FIS31New York Stock Exchange 2.950% Senior Notes due 2039FIS39New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

Item 2.02 Results of Operations and Financial Condition.

On November 5, 2025, Fidelity National Information Services, Inc. (the "Company") issued a press release announcing financial results for the three and nine months ended September 30, 2025, and guidance for the full year ending December 31, 2025. A copy of the press release is furnished herewith as Exhibit 99.1 and is incorporated by reference herein.

The information included in this Item 2.02, including the accompanying exhibits, is being furnished and shall not be deemed "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that Section. The information in this Item 2.02 shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended (the "Securities Act"), or the Exchange Act, regardless of any general incorporation language in such filing.

Item 9.01. Financial Statements and Exhibits

(d) Exhibits

Exhibit NumberExhibit Description 99.1Press release of Fidelity National Information Services, Inc., dated November 5, 2025, regarding financial results for the three and nine months ended September 30, 2025, and guidance for the full year ending December 31, 2025.

104Cover Page Interactive Data File (embedded within the Inline XBRL document).

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.

Fidelity National Information Services, Inc. (Registrant) Date: November 5, 2025By:/s/ James Kehoe Name:James Kehoe Title:Chief Financial Officer

Fidelity National Information Services, Inc. Date: November 5, 20