Form 4 for ALLE Allegion

Accepted 2026-03-12 00:00:00 ET · period of report 2026-03-11 · accession 0001284967-26-000002 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
MI	2026-03-12	2026-03-11	ALLE	MAIN SUE	Dir	P - Purchase	$149.60	+2,000	2,000	New	+$299.2K

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Ordinary Shares	2026-03-11	P	A	100	$147.26	100	I By Reporting Person's Trust	—	—	(F1) Represents ordinary shares held by the Main-Schweitzer Revocable Trust.
2	Common	Ordinary Shares	2026-03-11	P	A	1,300	$149.58	1,400	I By Reporting Person's Trust	—	—	(F2) This transaction was executed in multiple purchases ranging from $148.895 to $149.74 per share, inclusive. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer, or any security holder of the Issuer full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. (F1) Represents ordinary shares held by the Main-Schweitzer Revocable Trust.
3	Common	Ordinary Shares	2026-03-11	P	A	600	$150.05	2,000	I By Reporting Person's Trust	—	—	(F3) This transaction was executed in multiple purchases ranging from $150.04 to $150.12 per share, inclusive. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer, or any security holder of the Issuer full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. (F1) Represents ordinary shares held by the Main-Schweitzer Revocable Trust.