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Filing Details

Accession Number:: 0001020569-25-000070
Form Type:: 4/A
Zero Holdings:: No
Publication Time:: 2025-03-05 21:56:18
Reporting Period:: 2025-03-03

Filing Date:: 2025-03-05
Accepted Time:: 2025-03-05 21:56:18
Original Submission Date:: 2025-03-05
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1020569	Iron Mountain Inc	IRM	Real Estate Investment Trusts (6798)	232588479

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1566391	L William Meaney	C/O Iron Mountain Incorporated 85 New Hampshire Avenue, Suite 150 Portsmouth NH 03801	President And Ceo	Yes	Yes	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock, Par Value $.01 Per Share	Disposition	2025-03-03	19,782	$90.30	217,620	No	4	S	Direct
Common Stock, Par Value $.01 Per Share	Disposition	2025-03-03	39,743	$91.62	177,877	No	4	S	Direct
Common Stock, Par Value $.01 Per Share	Disposition	2025-03-03	9,600	$92.34	168,277	No	4	S	Direct
Common Stock, Par Value $.01 Per Share	Disposition	2025-03-04	100,189	$88.35	68,088	No	4	S	Direct
Common Stock, Par Value $.01 Per Share	Disposition	2025-03-04	61,282	$89.24	6,806	No	4	S	Direct
Common Stock, Par Value $.01 Per Share	Disposition	2025-03-04	6,806	$90.00	0	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock, Par Value $.01 Per Share	295,650	Indirect	By GRAT

Footnotes

The price reported in Column 4 is a weighted average price. These shares of Iron Mountain Incorporated common stock ("Common Stock") were sold in multiple transactions at prices ranging from $90.050 to $90.870, inclusive. The Reporting Person undertakes to provide Iron Mountain Incorporated (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares of Common Stock sold at each separate price within the ranges set forth in this footnote (1).
The price reported in Column 4 is a weighted average price. These shares of Iron Mountain Incorporated common stock ("Common Stock") were sold in multiple transactions at prices ranging from $91.065 to $92.060, inclusive. The Reporting Person undertakes to provide Iron Mountain Incorporated (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares of Common Stock sold at each separate price within the ranges set forth in this footnote (2).
The price reported in Column 4 is a weighted average price. These shares of Iron Mountain Incorporated common stock ("Common Stock") were sold in multiple transactions at prices ranging from $92.090 to $92.900, inclusive. The Reporting Person undertakes to provide Iron Mountain Incorporated (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares of Common Stock sold at each separate price within the ranges set forth in this footnote (3).
The price reported in Column 4 is a weighted average price. These shares of Iron Mountain Incorporated common stock ("Common Stock") were sold in multiple transactions at prices ranging from $87.825 to $88.820, inclusive. The Reporting Person undertakes to provide Iron Mountain Incorporated (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares of Common Stock sold at each separate price within the ranges set forth in this footnote (4).
The price reported in Column 4 is a weighted average price. These shares of Iron Mountain Incorporated common stock ("Common Stock") were sold in multiple transactions at prices ranging from $88.825 to $89.770, inclusive. The Reporting Person undertakes to provide Iron Mountain Incorporated (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares of Common Stock sold at each separate price within the ranges set forth in this footnote (5).
The price reported in Column 4 is a weighted average price. These shares of Iron Mountain Incorporated common stock ("Common Stock") were sold in multiple transactions at prices ranging from $89.865 to $90.245, inclusive. The Reporting Person undertakes to provide Iron Mountain Incorporated (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares of Common Stock sold at each separate price within the ranges set forth in this footnote (6).
This amendment is filed to report the number of shares indirectly held by the Reporting Person. Other than the foregoing, no changes have been made to the original Form 4. Balance reflects 295,650 shares transferred from the Grantor for funding of a Grantor Retained Annuity Trust on November 29, 2024. This transfer is exempt from Section 16 pursuant to Rule 16a-13.