Meaney William L 4
4 · IRON MOUNTAIN INC · Filed Mar 5, 2026
Insider Transaction Report
Form 4
Meaney William L
DirectorPresident and CEO
Transactions
- Sale
Common Stock, par value $.01 per share
[F1][F2]2026-03-03$105.25/sh−23,590$2,482,848→ 272,385 total - Sale
Common Stock, par value $.01 per share
[F1][F3]2026-03-03$106.33/sh−18,360$1,952,219→ 254,025 total - Sale
Common Stock, par value $.01 per share
[F1][F4]2026-03-03$107.43/sh−30,940$3,323,884→ 223,085 total - Sale
Common Stock, par value $.01 per share
[F1][F5]2026-03-03$107.94/sh−25,769$2,781,506→ 197,316 total - Sale
Common Stock, par value $.01 per share
[F1][F6]2026-03-04$106.96/sh−27,688$2,961,508→ 169,628 total - Sale
Common Stock, par value $.01 per share
[F1][F7]2026-03-04$107.52/sh−70,971$7,630,802→ 98,657 total
Holdings
- 82,970(indirect: By Trust)
Common Stock, par value $.01 per share
- 212,680(indirect: By Trust)
Common Stock, par value $.01 per share
Footnotes (7)
- [F1]The transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 14, 2025.
- [F2]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 $104.82 to $105.80, 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).
- [F3]The price reported in Column 4 is a weighted average price. These shares of Common Stock were sold in multiple transactions at prices ranging from $105.82 to $106.81, inclusive. The Reporting Person undertakes to provide 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).
- [F4]The price reported in Column 4 is a weighted average price. These shares of Common Stock were sold in multiple transactions at prices ranging from $106.82 to $107.82, inclusive. The Reporting Person undertakes to provide 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).
- [F5]The price reported in Column 4 is a weighted average price. These shares of Common Stock were sold in multiple transactions at prices ranging from $107.82 to $108.18, inclusive. The Reporting Person undertakes to provide 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).
- [F6]The price reported in Column 4 is a weighted average price. These shares of Common Stock were sold in multiple transactions at prices ranging from $106.20 to $107.19, inclusive. The Reporting Person undertakes to provide 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).
- [F7]The price reported in Column 4 is a weighted average price. These shares of Common Stock were sold in multiple transactions at prices ranging from $107.20 to $108.08, inclusive. The Reporting Person undertakes to provide 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 (7).
Signature
/s/ Christine Zhang, under Power of Attorney dated February 27, 2025, from William Meaney|2026-03-05