Form 8-K

8-K — Allegion plc

Accession: 0001104659-26-105920

Filed: 2026-09-08

Period: 2026-09-02

CIK: 0001579241

SIC: 7381 (SERVICES-DETECTIVE, GUARD & ARMORED CAR SERVICES)

Item: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Item: Regulation FD Disclosure

Item: Financial Statements and Exhibits

Documents

8-K — tm2624796d1_8k.htm (Primary)

EX-99.1 — EXHIBIT 99.1 (tm2624796d1_ex99-1.htm)

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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

- September 2, 2026

(Date of earliest

event reported)

ALLEGION PUBLIC LIMITED COMPANY

(Exact name of registrant as specified in its charter)

Ireland

001-35971

98-1108930

(State or other jurisdiction

of incorporation)

(Commission

File Number)

(I.R.S. Employer

Identification No.)

Unit No. 233

The Capel Building

Mary's Abbey

Dublin 7

Ireland

D07 X324

(Address

of Principal Executive Offices)

(Zip Code)

(353)(1) 6833399

(Registrant’s phone number, including

area code)

N/A

(Former name or former address, if changed since

last report)

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

Name of exchange

on which registered

Ordinary shares, par value $0.01 per share

ALLE

New York Stock Exchange

3.500% Senior Notes due 2029

ALLE 3 ½

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 ¨

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 2, 2026, Timothy P. Eckersley informed

Allegion plc (the “Company”) that he will step down from his position as President, International and Senior Vice President,

Allegion, and voluntarily retire from the Company effective December 31, 2026.

Item 7.01

Regulation FD

On September 2, 2026, the Allegion plc Board of Directors appointed

Serge Zappone, Vice President and General Manager, Allegion APAC, to the position of President, International and Senior Vice President,

Allegion, effective January 1, 2027, reporting to John H. Stone, President and CEO. Mr. Zappone succeeds Mr. Eckersley.

On September 8, 2026, the Company issued a press release regarding

Mr. Eckersley’s retirement and Mr. Zappone’s appointment, a copy of which is attached as Exhibit 99.1 to this Current Report

on Form 8-K and is incorporated herein by reference.

The information in this Item 7.01 of this Current

Report on Form 8-K, including the information contained in Exhibit 99.1, is being furnished and shall not be deemed to be “filed”

for the purposes of Section 18b of the Securities and 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, or the Exchange Act, except as shall be expressly set forth by a specific reference in such filing.

Item 9.01

Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.

Description

99.1

Press Release dated September 8, 2026.

104

Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURE

Pursuant to the

requirements of Section 12 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.

ALLEGION PLC

(Registrant)

Date: September 8, 2026

/s/ Tandra M. Foster

Tandra M. Foster

Deputy General Counsel and Secretary

EX-99.1 — EXHIBIT 99.1

EX-99.1

Filename: tm2624796d1_ex99-1.htm · Sequence: 2

Exhibit 99.1

NEWS RELEASE

Allegion Announces

Tim Eckersley’s Retirement,

Names Serge Zappone Leader of Allegion International

DUBLIN

(Sept. 8, 2026) – Allegion plc (NYSE: ALLE), a leading global security products and solutions provider, today announced

the appointment of Serge Zappone as president, International, and senior vice president, Allegion, effective Jan. 1, 2027.

Zappone will join Allegion’s executive leadership team, reporting to President and CEO John H. Stone.

Zappone

will succeed Tim Eckersley, who has announced plans to retire on Dec. 31, 2026, following a successful 40-year career. Eckersley

is a founding member of the Allegion executive leadership team, having started with the company before its spinoff from Ingersoll Rand

in 2013. He first served as president of Allegion Americas, guiding that segment in rapid growth, and transitioned to lead Allegion International

in January 2021.

“Tim

has been a cornerstone of Allegion’s success for nearly two decades, bringing invaluable dedication to our company and our culture,”

Stone said. “We are deeply grateful for his strategic vision and the strong foundation he helped build for both Allegion Americas

and Allegion International. We wish Tim the best in his well-deserved retirement.”

Eckersley

will continue leading Allegion International throughout the remainder of 2026 and work closely with Zappone to ensure a seamless leadership

transition. Zappone currently reports to Eckersley as leader of Allegion’s Asia-Pacific business. He joined Allegion in 2020, holding

roles with increasing responsibility within the Allegion International segment.

“Serge

is a proven leader who has elevated our Asia-Pacific operational performance and customer focus,” Stone said. “He will build

on the strengths we have in Allegion International, bringing a passion for operational excellence and a partner-of-choice mindset.”

total, Zappone has more than 30 years of experience in the building products industry, including past leadership roles across Europe

and Asia. He holds a bachelor's degree in business management from Monash University and a master’s degree in business administration

from Melbourne Business School.

###

About

Allegion

Allegion (NYSE: ALLE), we design and manufacture innovative security and access solutions that help keep people safe where they live,

learn, work and connect. We’re pioneering safety with our strong legacy of leading brands like CISA®, Interflex®,

LCN®, Schlage®, SimonsVoss® and Von Duprin®. Our comprehensive portfolio of hardware, software and electronic solutions

is sold around the world and spans residential and commercial locks, door closer and exit devices, steel doors and frames, access control

and workforce productivity systems. Allegion had $4.1 billion in revenue in 2025. For more, visit www.allegion.com.

NEWS RELEASE

Media Contact:

Whitney Moorman – Director, Global Communications

317-810-3241

Whitney.Moorman@allegion.com

Analyst Contact:

Jobi Coyle – Director, Investor Relations

317-810-3107

Jobi.Coyle@allegion.com

Josh Pokrzywinski – Vice President, Investor

Relations

463-210-8595

Joshua.Pokrzywinski@allegion.com

Source: Allegion plc

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