Iron Mountain EVP exercises options and sells shares

IRON MOUNTAIN INC executive Greg W. McIntosh, EVP and Chief Commercial Officer, reported exercising 6,839 employee stock options at an exercise price of $37.0000 per share and receiving an equal number of common shares.

Rhea-AI Filing Summary

IRON MOUNTAIN INC executive Greg W. McIntosh, EVP and Chief Commercial Officer, reported exercising 6,839 employee stock options at an exercise price of $37.0000 per share and receiving an equal number of common shares. On the same date, he reported open-market sales totaling 11,839 common shares at $127.1300 per share. These transactions were made pursuant to a Rule 10b5-1 trading plan adopted on May 8, 2026.

Insider Trade Summary 10b5-1

Exercise and sale activity reported; no spread calculated

Exercise and Sale 4 txns

Insider McIntosh Greg W

Role EVP, Chief Commercial Officer

Sold 11,839 shs ($1.51M)

Approx. gross sale proceeds $1.51M

Approx. exercise cost $253K

Type	Security	Shares	Price	Value
Exercise	Employee Stock Option (Right to Buy) F1, F3, F2	6,839	--	--
Sale	Common Stock, par value $.01 per share F1	5,000	$127.13	$636K
Exercise	Common Stock, par value $.01 per share F1	6,839	$37.00	$253K
Sale	Common Stock, par value $.01 per share F1	6,839	$127.13	$869K

Holdings After Transaction: Employee Stock Option (Right to Buy) — 0 contracts (Direct); Common Stock, par value $.01 per share — 80,634 shares (Direct)

Footnotes (3)

1. F1. The transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 8, 2026.
2. F2. This stock option, representing a right to purchase a total of 6,839 shares, is fully vested.
3. F3. Not applicable.

Key Figures

Options exercised: 6,839 shares Option exercise price: $37.0000 per share Shares sold (block 1): 5,000 shares +4 more

7 metrics

Options exercised 6,839 shares Employee stock option exercise on 2026-08-06

Option exercise price $37.0000 per share Employee Stock Option (Right to Buy) underlying 6,839 shares

Shares sold (block 1) 5,000 shares Common stock sale on 2026-08-06 at $127.1300 per share

Shares sold (block 2) 6,839 shares Common stock sale on 2026-08-06 at $127.1300 per share

Sale price $127.1300 per share Price for both reported common stock sales

Net shares sold 11,839 shares Net sell shares from transaction summary

10b5-1 plan adoption date May 8, 2026 Rule 10b5-1 trading plan adopted by the reporting person

Key Terms

Rule 10b5-1 trading plan, Employee Stock Option (Right to Buy), derivative security

3 terms

Rule 10b5-1 trading plan regulatory

"The transaction was made pursuant to a Rule 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

Employee Stock Option (Right to Buy) financial

"security_title: Employee Stock Option (Right to Buy)"

derivative security financial

"transaction_code_description: Exercise or conversion of derivative security"

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

FAQ

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

What did IRM executive Greg W. McIntosh report in this Form 4?

Greg W. McIntosh reported exercising 6,839 stock options at $37.0000 and selling 11,839 common shares at $127.1300 on August 6, 2026, including shares acquired through the option exercise.

How many IRON MOUNTAIN INC (IRM) shares did McIntosh sell?

McIntosh reported selling 11,839 common shares of IRON MOUNTAIN INC, consisting of 5,000 shares and an additional 6,839 shares, each sale at a price of $127.1300 per share.

At what price were Greg W. McIntosh’s IRM stock options exercised?

The reported employee stock option exercise covered 6,839 underlying shares at an exercise price of $37.0000 per share, converting the derivative position into an equivalent number of IRON MOUNTAIN INC common shares.

Were Greg W. McIntosh’s IRM trades under a Rule 10b5-1 plan?

Yes. The filing states the transactions were made pursuant to a Rule 10b5-1 trading plan adopted by Greg W. McIntosh on May 8, 2026, indicating a pre-arranged trading schedule.

What happened to Greg W. McIntosh’s IRM stock options after the exercise?

The reported employee stock option for 6,839 shares, with a $37.0000 exercise price and a February 16, 2027 expiration, shows 0.0000 derivative shares remaining after the August 6, 2026 exercise.

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

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Accepted by SEC EDGAR 08/10/2026 - 04:03 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

McIntosh Greg W

(Last) (First) (Middle)

C/O IRON MOUNTAIN INCORPORATED

85 NEW HAMPSHIRE AVENUE, SUITE 150

(Street)

PORTSMOUTH NEW HAMPSHIRE 03801

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
IRON MOUNTAIN INC [ IRM ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, Chief Commercial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/06/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock, par value $.01 per share	08/06/2026		S(1)		5,000	D	$127.13	80,634	D
Common Stock, par value $.01 per share	08/06/2026		M(1)		6,839	A	$37	87,473	D
Common Stock, par value $.01 per share	08/06/2026		S(1)		6,839	D	$127.13	80,634	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Employee Stock Option (Right to Buy)	$37	08/06/2026		M(1)			6,839	(2)	02/16/2027	Common Stock	6,839	(3)	0	D

Explanation of Responses:

1. The transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 8, 2026.

2. This stock option, representing a right to purchase a total of 6,839 shares, is fully vested.

3. Not applicable.

Remarks:

	/s/ Christine Zhang, under Power of Attorney dated June 19, 2025, from Greg McIntosh	08/10/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)