Allegion (NYSE: ALLE) exec plans 549-share Rule 144 sale

Rhea-AI Filing Summary

Allegion plc (ALLE) received a Rule 144 notice indicating that officer David S. Ilardi intends to sell Allegion common shares. The filing lists 549 shares of common stock held at Fidelity Brokerage Services LLC with an aggregate market value of $88,438.41, to be transacted on or about 08/18/2026 on the NYSE. The shares are tied to a stock option exercise from the issuer, with cash as the form of consideration.

Key Figures

Shares covered by Rule 144 notice: 549 shares Aggregate market value: $88,438.41 Proposed transaction date: 08/18/2026 +2 more

5 metrics

Shares covered by Rule 144 notice 549 shares Common stock held at Fidelity Brokerage Services LLC

Aggregate market value $88,438.41 Value of Allegion common shares listed in the securities information

Proposed transaction date 08/18/2026 Date associated with the securities information and securities to be sold

Security type Common stock Allegion plc common shares subject to the Rule 144 notice

Broker Fidelity Brokerage Services LLC Firm through which the Allegion common shares are held for the transaction

Key Terms

Rule 144, stock option exercise, attorney-in-fact

3 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

stock option exercise financial

"Common | 08/18/2026 | Stock Option Exercise | Issuer"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

attorney-in-fact regulatory

"as attorney-in-fact for David Ilardi"

An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.

FAQ

What does the Form 144 filing mean for Allegion plc (ALLE)?

The Form 144 shows that an Allegion officer, David S. Ilardi, has notified of a planned sale of 549 common shares under Rule 144, with an indicated aggregate value of $88,438.41 on or about 08/18/2026.

How many Allegion (ALLE) shares are covered by this Rule 144 notice?

The notice covers 549 shares of Allegion plc common stock. These shares are held at Fidelity Brokerage Services LLC and are intended for transaction on or about 08/18/2026 on the NYSE, subject to Rule 144 conditions.

What is the approximate value of the Allegion (ALLE) shares in this Form 144?

The filing lists an aggregate market value of $88,438.41 for the 549 Allegion common shares covered by the notice. This value is part of the securities information disclosed for the proposed Rule 144 transaction.

When are the Allegion (ALLE) shares expected to be transacted under this Form 144?

The Rule 144 notice identifies 08/18/2026 as the relevant transaction date for the 549 Allegion common shares. The securities are listed for trading on the NYSE through Fidelity Brokerage Services LLC.

How were the Allegion (ALLE) shares in this Form 144 obtained?

The securities to be sold are associated with a stock option exercise from the issuer, Allegion plc. The form specifies a stock option exercise with cash as the consideration and identifies 549 common shares in connection with this transaction.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/18/2026 - 01:45 PM Accepted by SEC EDGAR 08/18/2026 - 01:44 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001915040
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Allegion plc
SEC File Number	001-35971
Address of Issuer	UNIT NO. 233, THE CAPEL BUILDING MARY'S ABBEY DUBLIN 7 IRELAND D07 X324
Phone	(317) 810-3700
Name of Person for Whose Account the Securities are To Be Sold	Ilardi David S.
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	549	88438.41	85036786	08/18/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	08/18/2026	Stock Option Exercise	Issuer			549	08/18/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	08/18/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for David Ilardi
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)