[144/A] Iron Mountain Inc. SEC Filing

Rhea-AI Filing Summary

Iron Mountain Inc. (IRM) has filed a Form 144/A signaling the possible sale of 17,334 common shares—about 0.006 % of the company’s 295,043,896 shares outstanding. The shares, acquired on 03/01/2025 via restricted-stock vesting (compensation), are valued at roughly $1.73 million and are expected to be sold on or after 07/01/2025 through Fidelity Brokerage Services LLC on the NYSE. No other sales were reported in the past three months, and the filer attests to holding no undisclosed material information. Although Form 144 filings can indicate insider intent to sell, the transaction size is immaterial relative to Iron Mountain’s float and therefore unlikely to affect the stock’s supply-demand dynamics.

Insights

Securities Analyst

TL;DR Proposed insider sale of 17,334 IRM shares is negligible; minimal impact expected.

The filing covers only 17,334 shares (≈0.006 % of outstanding), worth $1.73 million. Such a small disposition usually does not create meaningful selling pressure or change the firm’s ownership profile. Because the stock was acquired through recent restricted-stock vesting, it looks like routine compensation-related diversification rather than a signal of deteriorating fundamentals. I consider the filing neutral for valuation and liquidity.

Corporate Governance Expert

TL;DR Routine compensation share sale; governance risk remains unchanged.

Rule 144 requires insiders to notify the market before selling restricted securities. The absence of other recent sales and the representation of no undisclosed adverse information support good disclosure practice. Without the seller’s identity, we cannot assess alignment, but the minimal size and adherence to procedure suggest ordinary governance behavior. Overall governance impact is neutral.

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/A

144/A: Filer Information

Filer CIK
Filer CCC
Previous Accession Number Of The Filing
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144/A: 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

144/A: 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	17334	1733466.02	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/A: 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	03/01/2025	Restricted Stock Vesting	Issuer			17334	03/01/2025	Compensation

* 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/A: Securities Sold During The Past 3 Months

Nothing to Report

144/A: 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 are covered by this Form 144?

17,334 common shares are included in the notice.

What is the aggregate market value of the shares to be sold?

The filing lists an aggregate value of approximately $1.73 million.

When were the shares acquired and by what method?

They were acquired on 03/01/2025 through restricted-stock vesting as compensation.

On what date may the shares be sold according to the filing?

The approximate sale date stated is 07/01/2025.

What percentage of IRM’s shares outstanding does this sale represent?

The proposed sale is roughly 0.006 % of the 295,043,896 shares outstanding.

Which broker will execute the transaction?

The sale is slated to be handled by Fidelity Brokerage Services LLC.

Were any shares sold by this insider in the prior three months?

No. The filing reports “Nothing to Report” for the past three months.