Iron Mountain's McIntosh plans $585K share sale

The listed shares were acquired through restricted stock vesting on March 1, 2026, as compensation.

Available on EDGAR 11/02/2026 - 12:34 PM EST Accepted by SEC EDGAR 11/02/2026 - 12:34 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Iron Mountain Inc. (IRM) officer Greg W. McIntosh reported a planned sale of 5,000 common shares, with an aggregate market value of $584,800.00 and an approximate sale date of November 2, 2026. The notice lists 297,702,812 shares outstanding and says the shares to be sold came from restricted stock vesting on March 1, 2026, as compensation. Jennifer Ruchti signed as an authorized representative of Fidelity Brokerage Services LLC and attorney-in-fact for Gregory McIntosh.

Key Figures

Planned sale: 5,000 common shares Aggregate market value: $584,800.00 Shares outstanding: 297,702,812 shares +3 more

6 metrics

Planned sale 5,000 common shares Approximate sale date November 2, 2026

Aggregate market value $584,800.00 Planned sale

Shares outstanding 297,702,812 shares Securities information

Shares sold 11,839 shares August 6, 2026

Shares sold 5,000 shares September 1, 2026

Shares sold 5,000 shares October 1, 2026

Key Terms

Rule 144, Restricted Stock Vesting, attorney-in-fact

3 terms

Rule 144 regulatory

"the definition of "person" in paragraph (a) of Rule 144"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Restricted Stock Vesting financial

"Restricted Stock Vesting"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

attorney-in-fact regulatory

"as attorney-in-fact for Gregory Mcintosh"

An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many IRM shares is officer Greg W. McIntosh planning to sell?

Greg W. McIntosh reported a planned sale of 5,000 common shares, with an aggregate market value of $584,800.00 and an approximate sale date of November 2, 2026.

What prior IRM share sales does the notice list for Greg McIntosh?

It lists three sales during the prior three months: 11,839 shares for $1,505,092.07 on August 6, 2026; 5,000 shares for $578,000.00 on September 1, 2026; and 5,000 shares for $553,600.00 on October 1, 2026.

AI-generated analysis. How Rhea-AI works. Not financial advice.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

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	0001769841
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	IRON MOUNTAIN INC
SEC File Number	001-13045
Address of Issuer	85 NEW HAMPSHIRE AVENUE, SUITE 150 PEASE INTERNATIONAL TRADEPORT PORTSMOUTH NEW HAMPSHIRE 03801
Phone	617-535-4781
Name of Person for Whose Account the Securities are To Be Sold	McIntosh Greg W
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	Officer

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	5000	584800.00	297702812	11/02/2026	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	03/01/2026	Restricted Stock Vesting	Issuer			5000	03/01/2026	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
Gregory Mcintosh 85 New Hampshire Avenue Suite 150 Portsmouth NH 03801	Common	08/06/2026	11839	1505092.07
Gregory Mcintosh 85 New Hampshire Avenue Suite 150 Portsmouth NH 03801	Common	09/01/2026	5000	578000.00
Gregory Mcintosh 85 New Hampshire Avenue Suite 150 Portsmouth NH 03801	Common	10/01/2026	5000	553600.00

144: Remarks and Signature

Remarks
Date of Notice	11/02/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	05/08/2026
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	/s/ Jennifer Ruchti, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Gregory Mcintosh
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)