Form 8-K CARLISLE COMPANIES INC For: Sep 10

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September 10, 2026 4:09 PM EDT

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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 10, 2026

www.carlisle.com

CARLISLE COMPANIES INCORPORATED

(Exact name of registrant as specified in its charter)

Delaware

001-09278

31-1168055

(State or other jurisdiction of incorporation or organization)

(Commission File Number)

(I.R.S. Employer Identification No.)

16430 North Scottsdale Road, Suite 400, Scottsdale, Arizona 85254

(Address of principal executive offices, including zip code)

480-781-5000

(Registrant’s telephone number, including area code)

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 exchange on which registered

Common stock, $1 par value

CSL

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

On September 10, 2026, Jesse G. Singh resigned as a director of Carlisle Companies Incorporated (“Carlisle” or the “Company”), effective as of the conclusion of the meeting of the Board of Directors (the “Board”) held on that date. Mr. Singh resigned in accordance with Carlisle’s Statement of Corporate Governance Guidelines and Principles as a result of a change in his employment. Mr. Singh’s resignation was not the result of any disagreement with the Company on any matter relating to the Company’s operations, policies, or practices. At that time, the Board also fixed the number of directors at six.

The Board greatly appreciates Mr. Singh’s dedicated service to the Board over more than eight years.

SIGNATURE

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.