David S. Ilardi - 24 Feb 2026 Form 4/A - Amendment Insider Report for Allegion plc (ALLE)

Role: SVP - Allegion Americas
Signature: /s/ Tandra M. Foster, Attorney-In-Fact
Issuer symbol: ALLE
Transactions as of: 24 Feb 2026
Net transactions value: -$25,145
Form type: 4/A - Amendment
Filing time: 26 Feb 2026, 17:45:40 UTC
Date Of Original Report: 26 Feb 2026
Previous filing: 24 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Ilardi David S.	SVP - Allegion Americas	C/O SCHLAGE LOCK COMPANY LLC, 11819 N. PENNSYLVANIA STREET, CARMEL	/s/ Tandra M. Foster, Attorney-In-Fact	26 Feb 2026	0001915040

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ALLE	Ordinary Shares	Tax liability	$25,145	-157	-1.1%	$160.16	13,752	24 Feb 2026	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	On February 26, 2026, the reporting person filed a Form 4 which incorrectly reported 240 shares withheld by the Issuer to cover tax withholding obligations upon vesting of a restricted stock unit award. The correct number of shares withheld by the Issuer to cover tax withholding obligations upon vesting of a restricted stock unit award was 157.