[144] Iron Mountain Inc. SEC Filing

Rhea-AI Filing Summary

Iron Mountain Inc. (IRM) Form 144 filing: insider Mark Kidd plans to sell 6,000 common shares through Fidelity on or after 01 Aug 2025. The proposed sale is valued at $583,200 (based on the market price cited in the form) and represents roughly 0.002% of the 295,043,896 shares outstanding, indicating a de-minimis impact on float.

The shares were acquired via restricted-stock vesting on 01 Mar 2025; therefore, no cash outlay was required. Kidd has already sold an identical block of 6,000 shares on 01 Jul 2025 for $612,120. No additional financial metrics, guidance, or company commentary accompany the notice; the form solely discloses the potential disposition and certifies that the filer is unaware of undisclosed material information.

Positive

• Sale size immaterial: 6,000 shares equal only 0.002% of outstanding stock, limiting market impact.
• Transparent disclosure under Rule 144 with clear acquisition, valuation, and broker details demonstrates compliance.

Negative

• Consecutive insider sales (6,000 shares in July and another planned for August) may signal decreased insider confidence.
• No accompanying corporate update leaves investors without context for the liquidation, potentially fueling speculation.

Insights

Securities Analyst

TL;DR: Small insider sale (0.002% of float) signals negligible dilution; market impact minimal, sentiment modestly negative.

The filing indicates a routine liquidation of vested equity rather than a strategic divestiture. With 295 M shares outstanding, a 6 K-share sale is unlikely to pressure IRM’s price or alter institutional ownership. However, repeat sales within a month could be perceived as incremental insider pessimism, especially absent parallel insider purchases. Investors should monitor subsequent Form 4 filings for larger sales trends but need not revise valuation models on this notice alone.

Corporate Governance Expert

TL;DR: Filing follows Rule 144 protocol; no red flags in disclosure or timing under corporate policy.

The seller certifies no undisclosed MNPI and provides complete acquisition and sale details, aligning with best-practice transparency. Shares originated from compensation, a typical source for insider liquidity events. The volume does not breach aggregation limits, and use of a reputable broker suggests procedural compliance. Governance risk remains low unless subsequent, larger transactions emerge.

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

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	6000	583200.00	295043896	08/01/2025	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	03/01/2025	Restricted Stock Vesting	Issuer			6000	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: 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
Mark Kidd 85 New Hampshire Avenue Suite 150 Portsmouth NH 03801	Common	07/01/2025	6000	612120.00

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 IRM shares are being sold under this Form 144?

The notice covers 6,000 common shares.

What is the estimated value of the proposed IRM share sale?

Aggregate market value listed is $583,200.

When were the IRM shares acquired by the insider?

Shares vested as restricted stock on 01 Mar 2025.

What percentage of Iron Mountain’s outstanding shares does the sale represent?

Approximately 0.002% of the 295,043,896 shares outstanding.

Has the insider sold IRM shares recently?

Yes, the same insider sold 6,000 shares on 01 Jul 2025 for $612,120.

Which broker is handling the IRM share sale?

The filing lists Fidelity Brokerage Services LLC as broker.