[144] Iron Mountain Inc. SEC Filing

Rhea-AI Filing Summary

Iron Mountain Inc. (NYSE: IRM) – Form 144 filing: CEO William L. Meaney has filed a notice of proposed sale for 69,125 common shares through Fidelity Brokerage, with an aggregate market value of roughly $7.05 million. The shares represent only 0.023% of the company’s 295.0 million shares outstanding. The anticipated sale date is 01 July 2025.

The filing shows the shares were acquired via an option granted on 18 Feb 2016 and exercised on 01 July 2025, paid in cash. Meaney has already sold 207,375 shares over the last three months (01 Apr, 02 May, 02 Jun 2025) generating ≈ $19.5 million in gross proceeds. The current notice is therefore a continuation of an ongoing liquidation program, likely under a Rule 10b5-1 trading plan (the form requests plan-adoption date but leaves that field blank).

Because Form 144 is only a notice of intent, the sale may or may not be completed. While insider selling by the CEO can draw investor attention, the percentage of total shares is immaterial and does not directly affect the company’s capital structure or operations. Investors should watch subsequent Form 4 filings to confirm execution and to gauge any larger trend in executive share disposition.

Positive

• None.

Negative

• Continued insider selling by the CEO—total of 276,500 shares over four months—could raise perception concerns despite representing only ~0.09% of shares outstanding.

Insights

Securities Analyst

TL;DR: Minor CEO share sale (0.02% float); signals limited, monitor for cumulative insider trends.

The planned 69,125-share sale equates to roughly one trading day’s volume and will have negligible market-impact on IRM’s float. Because the shares stem from long-dated option exercises, this looks like routine diversification. The three prior equal-sized monthly sales reinforce that narrative. That said, continued insider selling by the CEO can create a negative optics issue if compounded by additional executives. I rate the filing as neutral; valuation and fundamentals remain unchanged.

Corporate Governance Expert

TL;DR: Governance risk low; Rule 144 notice respects disclosure norms.

Meaney’s repeated, evenly spaced sales suggest a pre-arranged Rule 10b5-1 plan, mitigating concerns of trading on undisclosed information. The small stake reduction (<0.1% of his total holdings assuming historical data) does not materially alter alignment between management and shareholders. No adverse governance red flags detected, but investors should verify upcoming Form 4s for compliance with the company’s insider-trading policy.

07/01/2025 - 01:58 PM

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

Relationship to Issuer

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	69125	7052132.50	295043896	07/01/2025	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	07/01/2025	Option Granted - 02/18/2016	Issuer			69125	07/01/2025	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	04/01/2025	69125	5952415.96
William L. Meaney 85 New Hampshire Avenue, Suite 150 Portsmouth NH 03801	Common	05/02/2025	69125	6642283.46
William L. Meaney 85 New Hampshire Avenue, Suite 150 Portsmouth NH 03801	Common	06/02/2025	69125	6827158.28

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

How many Iron Mountain (IRM) shares does the CEO plan to sell under this Form 144?

The filing covers 69,125 common shares with an estimated market value of $7.05 million.

What percentage of Iron Mountain’s outstanding shares does 69,125 shares represent?

Approximately 0.023% of the total 295,043,896 shares outstanding.

Has the CEO sold IRM shares recently?

Yes. Over the past three months, he sold 207,375 shares for about $19.5 million in gross proceeds.

Does a Form 144 guarantee the sale will occur?

No. Form 144 is a notice of intent; execution is later confirmed via Form 4 after the trade.

What is the expected sale date for the shares?

The approximate sale date listed is 01 July 2025.