X0609 4 2026-06-05 0 0001579241 Allegion plc ALLE 0001189242 SENGSTACK GREGG C false C/O SCHLAGE LOCK COMPANY LLC 11819 N. PENNSYLVANIA STREET CARMEL IN 46032 1 0 0 0 0 Ordinary Shares 2026-06-05 4 F 0 292 130.27 D 2155 D Ordinary Shares 8000 I By Reporting Person's Trust Represents shares withheld by the Issuer to cover tax withholding obligations upon vesting of a restricted stock unit award. Represents ordinary shares held by the Gregg Sengstack 2020 Dynasty Trust. The reporting person's spouse is trustee of the trust, and the reporting person does not have sole voting and investment power over these ordinary shares. /s/ Tandra M. Foster, Attorney-In-Fact 2026-06-09