FDS

fds-20260924

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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): September 24, 2026

FactSet Research Systems Inc.

(Exact name of registrant as specified in its charter)

Delaware

1-11869

13-3362547

(State or other jurisdiction of

(Commission

(I.R.S. Employer

incorporation)

File Number)

Identification No.)

45 Glover Avenue

Norwalk, Connecticut 06850

(Address of principal executive offices) (Zip code)

Registrant’s telephone number, including area code: (203) 810-1000

Former name or former address, if changed since last report: None

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 classTrading Symbols(s)Name of each exchange on which registered

Common Stock, $0.01 Par ValueFDS New York Stock Exchange LLC

The Nasdaq Stock Market

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

On September 30, 2026, FactSet Research Systems Inc. ("FactSet" or the "Company") issued a press release announcing its results for the three and twelve months ended August 31, 2026. A copy of the press release is furnished as Exhibit 99.1 hereto and incorporated by reference herein. The information furnished pursuant to this Item 2.02 (Results of Operations and Financial Condition), including Exhibit 99.1, shall not be deemed “filed” for 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, and shall not be deemed to be incorporated by reference into any filing under the Securities Act of 1933, as amended (the "Securities Act"), or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Item 5.03 Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year.

On September 24, 2026, the Board of Directors (the “Board”) of FactSet approved and adopted amendments to the Company’s amended and restated by-laws (as amended and restated, the “Amended and Restated By-laws”), which became effective the same day. The amendments contained in the Amended and Restated By-laws:

•allow the Board to delegate to its committees all the powers and authority of the Board in the management of the business and affairs of the Company as allowed under the Delaware General Corporation Law;

•update certain procedural and disclosure requirements relating to the information and timing requirements of the advance notice of nominations and other business at meetings of shareholders;

•make certain conforming and clarifying revisions, including to provisions related to appointment of officers and defined terms used throughout.

The foregoing description of the Amended and Restated By-laws does not purport to be complete and is qualified in its entirety by reference to the full text of the Amended and Restated By-laws, a copy of which is attached hereto as Exhibit 3.1 and is incorporated by reference herein.

Item 9.01 Financial Statements and Exhibits

(d) Exhibits

Exhibit No.

Description

3.1 Amended and Restated By-laws of FactSet Research Systems Inc.

99.1 Press Release of FactSet Research Systems Inc., dated September 30, 2026, announcing its results for the three and twelve months ended August 31, 2026

104Cover page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)

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.

FACTSET RESEARCH SYSTEMS INC.

(Registrant)

September 30, 2026

By:

/s/ JOSHUA WARRE

fds-20260701

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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): July 1, 2026

FactSet Research Systems Inc.

(Exact name of registrant as specified in its charter)

Delaware

1-11869

13-3362547

(State or other jurisdiction of

(Commission

(I.R.S. Employer

incorporation)

File Number)

Identification No.)

45 Glover Avenue

Norwalk, Connecticut 06850

(Address of principal executive offices) (Zip code)

Registrant’s telephone number, including area code: (203) 810-1000

Former name or former address, if changed since last report: None

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 classTrading Symbols(s)Name of each exchange on which registered

Common Stock, $0.01 Par ValueFDS New York Stock Exchange LLC

The Nasdaq Stock Market

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

On July 1, 2026, FactSet Research Systems Inc. ("FactSet" or the "Company") issued a press release announcing its results for the three months ended May 31, 2026. A copy of the press release is furnished as Exhibit 99.1 hereto and incorporated by reference herein. The information furnished pursuant to this Item 2.02 (Results of Operations and Financial Condition), including Exhibit 99.1, shall not be deemed “filed” for 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, and shall not be deemed to be incorporated by reference into any filing under the Securities Act of 1933, as amended (the "Securities Act"), or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits

(d) Exhibits

Exhibit No.

Description

99.1 Press Release of FactSet Research Systems Inc., dated July 1, 2026, announcing its results for the three months ended May 31, 2026

104Cover page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)

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.

FACTSET RESEARCH SYSTEMS INC.

(Registrant)

July 1, 2026

By:

/s/ JOSHUA WARREN

Joshua Warren Executive Vice President, Chief Financial Officer (Principal Financial Officer)

fds-20260331

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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): March 31, 2026

FactSet Research Systems Inc.

(Exact name of registrant as specified in its charter)

Delaware

1-11869

13-3362547

(State or other jurisdiction of

(Commission

(I.R.S. Employer

incorporation)

File Number)

Identification No.)

45 Glover Avenue

Norwalk, Connecticut 06850

(Address of principal executive offices) (Zip code)

Registrant’s telephone number, including area code: (203) 810-1000

Former name or former address, if changed since last report: None

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 classTrading Symbols(s)Name of each exchange on which registered

Common Stock, $0.01 Par ValueFDS New York Stock Exchange LLC

The Nasdaq Stock Market

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

On March 31, 2026, FactSet Research Systems Inc. ("FactSet" or the "Company") issued a press release announcing its results for the three months ended February 28, 2026. A copy of the press release is furnished as Exhibit 99.1 hereto and incorporated by reference herein. The information furnished pursuant to this Item 2.02 (Results of Operations and Financial Condition), including Exhibit 99.1, shall not be deemed “filed” for 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, and shall not be deemed to be incorporated by reference into any filing under the Securities Act of 1933, as amended (the "Securities Act"), or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits

(d) Exhibits

Exhibit No.

Description

99.1 Press Release of FactSet Research Systems Inc., dated March 31, 2026, announcing its results for the three months ended February 28, 2026

104Cover page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)

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.

FACTSET RESEARCH SYSTEMS INC.

(Registrant)

March 31, 2026

By:

/s/ HELEN L. SHAN

Helen L. Shan Executive Vice President, Chief Financial Officer (Principal Financial Officer)