Ilardi David S. 4

What Happened
David S. Ilardi, Senior Vice President — Allegion Americas, had 240 shares withheld by Allegion to satisfy tax withholding obligations upon vesting of a restricted stock unit (RSU) award. The shares were valued at $160.16 each, totaling $38,438. This was a withholding disposition (not an open‑market sale).

Key Details

• Transaction date: 2026-02-24; filing date: 2026-02-26 (filed promptly after the transaction).
• Price per share: $160.16; shares withheld/disposed: 240; total value: $38,438.
• Shares owned after transaction: not specified in this Form 4 excerpt.
• Footnote: F1 — shares were withheld by the issuer to cover tax withholding on RSU vesting.
• Transaction type/code: F (payment of tax liability via share withholding), treated as a disposition rather than a sale.

Context
Withholding shares to cover taxes on vesting is a routine administrative action and does not necessarily indicate the insider is selling shares for investment reasons. For retail investors, purchases or open‑market sales are more informative about insider sentiment; tax‑withholding dispositions are common and generally neutral.