Iron Mountain insider files Rule 144 to sell 69,125 shares valued $7.07M

Rhea-AI Filing Summary

Iron Mountain Inc. (IRM) filed a Form 144 reporting a proposed sale of 69,125 common shares through Fidelity Brokerage Services with an aggregate market value of $7,074,294.96, scheduled on 10/01/2025 on the NYSE. The filing states these shares were acquired by exercise of an option on the same date, citing an original grant date of 02/18/2016, and that payment will be made in cash. The notice also discloses three prior sales by the same person: 07/01/2025, 08/01/2025, and 09/02/2025, each of 69,125 shares, totaling 207,375 shares and gross proceeds of approximately $19,664,299.82. The filer affirms no undisclosed material adverse information and includes the required signature representations.

Positive

• Clear compliance with Rule 144 disclosure requirements, including broker, share counts, dates, and aggregate market values
• Specific transaction details provided: acquisition method (option grant 02/18/2016), exercise date, and payment method (cash), enabling transparent tracking

Negative

• Concentrated insider sales: three prior monthly sales plus the proposed sale total 207,375 shares, which may materially reduce insider holdings
• Large cash proceeds reported in prior sales (~$19.66 million) which could be viewed negatively by some investors monitoring insider selling activity

Insights

Securities Analyst

TL;DR: Routine Rule 144 insider sale of exercised options; large but regular transactions disclosed.

The filing documents a proposed Rule 144 sale of 69,125 shares with an indicated aggregate market value of $7.07 million, originating from option exercise. The filing also lists three identical prior monthly sales totaling 207,375 shares and about $19.66 million in gross proceeds. From a market-activity perspective, these sequential sales are material in size but are presented as compliant with Rule 144 disclosure requirements. The filing provides concrete dates, share counts, and proceeds, enabling investors to track insider liquidity without offering any additional context on motivations or impact on long-term ownership.

Corporate Governance Expert

TL;DR: Disclosure appears procedurally complete; raises governance visibility questions due to repeated large sales.

The Form 144 contains required elements: acquisition method (option granted 02/18/2016, exercised 10/01/2025), sale logistics (broker and exchange), and prior sales by the same person over three months. These disclosures satisfy Rule 144 notice expectations and the signer affirms absence of undisclosed material adverse information. For governance oversight, recurring sizable sales by a single insider in consecutive months merit attention from stakeholders monitoring insider ownership trends, but the filing itself does not provide further corporate context or indications of noncompliance.

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	7074294.96	295348225	10/01/2025	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	10/01/2025	Option Granted 02/18/2016	Issuer			69125	10/01/2025	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	07/01/2025	69125	6937149.98
William L. Meaney 85 New Hampshire Avenue, Suite 150 Portsmouth NH 03801	Common	08/01/2025	69125	6536059.08
William L. Meaney 85 New Hampshire Avenue, Suite 150 Portsmouth NH 03801	Common	09/02/2025	69125	6191090.76

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

What does the Form 144 filed by IRM report?

The filing reports a proposed sale of 69,125 common shares via Fidelity on 10/01/2025 with an aggregate market value of $7,074,294.96.

How were the shares acquired according to the filing?

The shares were acquired by option exercise on 10/01/2025 from an option originally granted on 02/18/2016, and payment will be in cash.

Has the filer recently sold other IRM shares?

Yes. The filing lists three prior sales by the same person on 07/01/2025, 08/01/2025, and 09/02/2025, each of 69,125 shares, totaling 207,375 shares.

What were the gross proceeds from the prior three sales?

The three prior sales generated gross proceeds of approximately $6,937,149.98, $6,536,059.08, and $6,191,090.76, totaling about $19,664,299.82.

Does the filer state any undisclosed material information?

By signing the notice the filer represents they do not know any material adverse information about the issuer that has not been publicly disclosed.