Insider plans Rule 144 sale of 38,482 common shares on NYSE

An insider has filed a notice under Rule 144 to sell 38,482 shares of common stock through Fidelity Brokerage Services on the NYSE, with an aggregate market value of $3,194,006.00.

Rhea-AI Filing Summary

An insider has filed a notice under Rule 144 to sell 38,482 shares of common stock through Fidelity Brokerage Services on the NYSE, with an aggregate market value of $3,194,006.00. The filing notes that there were 295,589,491 shares of this class outstanding at the time of the notice, so the planned sale represents a small portion of the total.

The shares to be sold were acquired on 01/02/2026 by exercising an option that had been granted on 02/16/2017, with the purchase price paid in cash. Over the past three months, the same seller completed two additional sales of common stock, each for 69,125 shares, with gross proceeds of $7,102,393.29 and $5,760,649.39. By signing the notice, the seller represents that they are not aware of any material adverse, nonpublic information about the issuer’s operations.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the IRM Rule 144 notice disclose about planned share sales?

The notice discloses that an insider plans to sell 38,482 shares of common stock on the NYSE, with an aggregate market value of $3,194,006.00, through Fidelity Brokerage Services.

How large is the planned IRM insider sale compared with shares outstanding?

The planned sale covers 38,482 common shares, while 295,589,491 shares of this class were outstanding, indicating the transaction is a small fraction of total shares.

How and when were the IRM shares being sold under Rule 144 acquired?

The 38,482 shares were acquired on 01/02/2026 by exercising a stock option originally granted on 02/16/2017, with the purchase price paid in cash.

What prior IRM share sales by this insider are disclosed in the last 3 months?

The insider sold 69,125 common shares on 11/03/2025 for gross proceeds of $7,102,393.29 and another 69,125 shares on 12/01/2025 for $5,760,649.39.

Which broker and exchange are involved in the planned IRM share sale?

The planned sale will be executed through Fidelity Brokerage Services LLC, with the common stock traded on the NYSE.

What representation does the insider make about nonpublic information on IRM?

By signing the notice, the insider represents that they do not know any material adverse information about the issuer’s current or prospective operations that has not been publicly disclosed.

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

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Accepted by SEC EDGAR 01/02/2026 - 12:36 PM EST 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	0001566391
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	IRON MOUNTAIN INC
SEC File Number	001-13045
Address of Issuer	85 NEW HAMPSHIRE AVENUE, SUITE 150 PEASE INTERNATIONAL TRADEPORT PORTSMOUTH NEW HAMPSHIRE 03801
Phone	617-535-4781
Name of Person for Whose Account the Securities are To Be Sold	Meaney William L
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
Relationship to Issuer	Director

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	38482	3194006.00	295589491	01/02/2026	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	01/02/2026	Option Granted 02/16/2017	Issuer			38482	01/02/2026	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
William L. Meaney 85 New Hampshire Avenue, Suite 150 Portsmouth NH 03801	Common	11/03/2025	69125	7102393.29
William L. Meaney 85 New Hampshire Avenue, Suite 150 Portsmouth NH 03801	Common	12/01/2025	69125	5760649.39

144: Remarks and Signature

Remarks
Date of Notice	01/02/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	03/13/2025
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/ Jared Cook, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for William L. Meaney
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)