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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Name of Issuer)

(Title of Class of Securities)

(CUSIP Number)

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13D/A 0001104659-25-018553 0001592643 XXXXXXXX LIVE 1 Common Shares, par value $0.18 per share 01/02/2026 true 0000832988 G81276100 SIGNET JEWELERS LTD Clarendon House 2 Church Street Hamilton D0 HM11 Select Equity Group, L.P. (212) 475-8335 Attn: Tracy Thomas 380 Lafayette Street New York NY 10003 Willkie Farr & Gallagher LLP (212) 728-8000 Attn: Michael E. Brandt 787 Seventh Avenue New York NY 10019 0001592643 N Select Equity Group, L.P. OO N DE 0.00 3526069.00 0.00 3526069.00 3526069.00 N 8.7 IA Beneficial ownership based on 40,684,442 Common Shares outstanding as of November 28, 2025, as reported on the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on December 5, 2025. 0001632169 N George S. Loening OO N X1 0.00 3526069.00 0.00 3526069.00 3526069.00 N 8.7 IN HC Beneficial ownership based on 40,684,442 Common Shares outstanding as of November 28, 2025, as reported on the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on December 5, 2025. Common Shares, par value $0.18 per share SIGNET JEWELERS LTD Clarendon House 2 Church Street Hamilton D0 HM11 This Amendment No. 1 to Schedule 13D (this "Amendment No. 1") is being filed with respect to the Common Shares, par value $0.18 per share (the "Common Shares"), of Signet Jewelers Limited, Inc., a Bermuda limited company (the "Issuer"), to amend the Schedule 13D filed on February 27, 2025 (as amended by this Amendment No. 1, the "Schedule 13D"). Capitalized terms used but not otherwise defined herein shall have the meanings ascribed to them in the Schedule 13D. Item 5(a) of the Schedule 13D is hereby amended and restated as follows: On the date of this Schedule 13D, the Reporting Persons beneficially own an aggregate of 3,526,069 Common Shares held by Select Equity. The Common Shares represent approximately 8.7% of the Issuer's Common Shares outstanding. Calculations of the percentage of Common Shares beneficially owned assumes 40,684,442 Common Shares outstanding as reported in the Issuer's Quarterly Report on Form 10-Q filed on December 5, 2025. Item 5(c) of the Schedule 13D is hereby amended and restated as follows: Exhibit 99.1 hereto sets forth all transactions with respect to the Common Shares effected by the funds and managed accounts for which Select Equity is the investment adviser during the past sixty (60) days. All such transactions were effected in the open market, and per share prices exclude any commissions paid in connection with such transactions. Item 7 of the Schedule 13D is amended to reflect the following: 99.1 Transactions of Common Shares. Select Equity Group, L.P. By: Select Equity GP, LLC, its GeneralPartner, By: /s/ George S. Loening George S. Loening, Managing Member 01/06/2026 George S. Loening /s/ George S. Loening George S. Loening, an individual 01/06/2026