[144] IRON MOUNTAIN INC SEC Filing

Rhea-AI Filing Summary

William L. Meaney filed a Form 144 reporting a proposed sale of 38,474 shares of common stock with a proposed sale date of 07/01/2026. The filing lists the sale method as a stock option exercise to be settled for cash and references the NYSE.

Insights

Compliance Counsel

Form 144 flags a routine planned sale tied to option exercise; oversight focuses on timing and method.

The filing lists a proposed sale of 38,474 shares via a stock option exercise to be settled in cash on 07/01/2026. This is a regulatory notice of intent to sell under applicable resale rules.

Timing and exact execution depend on broker procedures and any volume/transaction routing; subsequent Forms 4 or broker reports will show executed trades.

Key Figures

Shares to be sold: 38,474 shares Proposed sale date: 07/01/2026 Sale method: Stock Option Exercise (cash settlement)

3 metrics

Shares to be sold 38,474 shares listed under Securities To Be Sold

Proposed sale date 07/01/2026 date attached to the Securities To Be Sold entry

Sale method Stock Option Exercise (cash settlement) listed in Securities To Be Sold row

Key Terms

Form 144, Stock Option Exercise, Cash settlement, Fidelity Brokerage Services LLC

4 terms

Form 144 regulatory

"144: Securities To Be Sold"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Stock Option Exercise financial

"Stock Option Exercise | Issuer | 38474"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

Cash settlement financial

"Stock Option Exercise | Issuer | 38474 | Cash"

Cash settlement is a process where, instead of exchanging physical assets like stocks or commodities, the parties involved settle the difference in value with money after a contract ends. For investors, it simplifies transactions by avoiding the need to handle or deliver the actual asset, making it quicker and more convenient to complete trades. This method ensures a straightforward way to settle agreements based on their final value.

Fidelity Brokerage Services LLC market

"Fidelity Brokerage Services LLC 900 Salem Street Smithfield"

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Available on EDGAR 07/01/2026 - 01:43 PM Accepted by SEC EDGAR 07/01/2026 - 01:43 PM 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
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	38474	4833103.88	297524681	07/01/2026	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	07/01/2026	Stock Option Exercise	Issuer			38474	07/01/2026	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	04/01/2026	38474	3951664.54
William L. Meaney 85 New Hampshire Avenue Suite 150 Portsmouth NH 03801	Common	05/08/2026	38474	4960368.18
William L. Meaney 85 New Hampshire Avenue Suite 150 Portsmouth NH 03801	Common	06/01/2026	38474	4907512.60

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)