6-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13A - 16 OR 15D - 16 OF

THE SECURITIES EXCHANGE ACT OF 1934

23 December 2022

Commission File No. 001-32846

____________________________

CRH public limited company

(Translation of registrant's name into English)

____________________________

Belgard Castle, Clondalkin,

Dublin 22, Ireland.

(Address of principal executive offices)

____________________________

Indicate by check mark whether the registrant files or will file annual reports

under cover of Form 20-F or Form 40-F:

Form 20-F X                    Form 40-F___

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by

Regulation S-T Rule 101(b)(1):_________

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by

Regulation S-T Rule 101(b)(7):________

Enclosure:

Transaction in Own Shares

23rd December 2022

Cancellation of Shares and Total Voting Rights

CRH plc announces that on Thursday, 22nd December 2022, it cancelled 22,000,000 Ordinary Shares of €0.32 each previously held by it as treasury shares.  The Ordinary Shares so cancelled represented 2.84% of the issued share capital of CRH plc.  Ordinary Shares held in treasury do not have any voting rights.

Following the above cancellations, as at the date of this announcement, CRH plc's issued share capital is as follows:

As none of the Preference Shares have voting rights, the total number of voting rights as at the date of this notice is, therefore, 744,943,125.  This figure, 744,943,125, may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, CRH plc under the Transparency (Directive 2004/109/EC) Regulations 2007 (as amended) (the "Irish Transparency Regulations") and the Central Bank (Investment Market Conduct) Rules.

This announcement is made in accordance with Rule 12.6 of the UK Listing Rules and the Irish Transparency Regulations.

Contact

Neil Colgan

Company Secretary

Tel:  003531 6344340

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, thereunto duly authorized.