Iron Mountain Inc (IRM) Insider Ownership

Historic Insider Ownership Trends

As of March 23, 2026, the three largest insider holders of IRM are Kent P Dauten (Director, 1.21Mn shares), Barry Hytinen (Evp And Cfo, 326.62K shares), Clark H Bailey (Director, 242.45K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Kent P Dauten 1,207,681 0 02 Jun, 2025
Barry Hytinen Evp And Cfo 326,623 0 03 Mar, 2026
Clark H Bailey 242,455 0 03 Jul, 2025
Mark Kidd Evp, Gm Data Centers Alm 131,507 0 03 Mar, 2026
Greg W Mcintosh Evp, Chief Commercial Officer 85,634 0 03 Mar, 2026
Mithu Bhargava Evp, Gm Digital Business Unit 75,779 0 03 Mar, 2026
Ernest W Cloutier Evp Gm, Rim 75,097 0 25 May, 2021
Deirdre Evens Evp Gm, Asset Lifestyle Mgmt 67,687 0 31 Mar, 2022
Deborah Marson Evp, General Counsel, Sec. 59,686 0 04 Sep, 2024
Pamela M Arway 40,196 0 02 Jun, 2025
Pamela M Arway 40,196 0 02 Jun, 2025
Walter C Rakowich 36,515 0 05 Jun, 2025
Kris Halvorsen 34,458 0 25 Jun, 2021
Monte E Ford 29,925 0 02 Jun, 2025
Monte E Ford 29,925 0 02 Jun, 2025
Robin Matlock 28,559 0 22 Jan, 2026
Walter C Rakowich 0 25,465 08 Sep, 2025
Mithu Bhargava Evp, Gm Digital Business Unit 16,054 0 23 Mar, 2026
Wendy J. Murdock 14,829 0 18 Sep, 2024
John Tomovcsik Evp, Chief Operating Officer 14,000 0 21 Aug, 2024
Jennifer Allerton 11,541 0 03 Mar, 2026
Michelle Vervais Altamura Evp, General Counsel, Sec. 7,728 0 03 Mar, 2026
Daniel Borges Svp Chief Accounting Officer 7,189 0 03 Mar, 2026
Edward Baker-Greene Evp, Chro 6,859 0 20 Dec, 2024
June Yee Felix 2,991 0 02 Jun, 2025
Theodore R. Ii Samuels 2,264 0 18 Jul, 2023
Andre Maciel 1,627 0 24 Jul, 2024
Christie B. Kelly 1,308 0 21 Nov, 2025
Jemma Johns Evp, Chro 965 0 06 Jan, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
19 Mar, 2026 Mithu Bhargava Common Stock, par value $.01 per share D 14,260 $104.25 61,519 D S
19 Mar, 2026 Mithu Bhargava Common Stock, par value $.01 per share D 12,537 $105.04 48,982 D S
19 Mar, 2026 Mithu Bhargava Common Stock, par value $.01 per share D 20 $105.64 48,962 D S
19 Mar, 2026 Mithu Bhargava Common Stock, par value $.01 per share D 20,462 $104.30 28,500 D S
19 Mar, 2026 Mithu Bhargava Common Stock, par value $.01 per share D 12,446 $105.13 16,054 D S
05 Mar, 2026 William L Meaney Common Stock, par value $.01 per share D 26,278 $105.26 72,379 D S
05 Mar, 2026 William L Meaney Common Stock, par value $.01 per share D 34,358 $106.15 38,021 D S
05 Mar, 2026 William L Meaney Common Stock, par value $.01 per share D 38,021 $107.02 0 D S
03 Mar, 2026 William L Meaney Common Stock, par value $.01 per share D 23,590 $105.25 272,385 D S
03 Mar, 2026 William L Meaney Common Stock, par value $.01 per share D 18,360 $106.33 254,025 D S
03 Mar, 2026 William L Meaney Common Stock, par value $.01 per share D 30,940 $107.43 223,085 D S
03 Mar, 2026 William L Meaney Common Stock, par value $.01 per share D 25,769 $107.94 197,316 D S
04 Mar, 2026 William L Meaney Common Stock, par value $.01 per share D 27,688 $106.96 169,628 D S
04 Mar, 2026 William L Meaney Common Stock, par value $.01 per share D 70,971 $107.52 98,657 D S
01 Mar, 2026 Greg W Mcintosh Common Stock, par value $.01 per share A 123,144 $0.00 141,251 D M
01 Mar, 2026 Daniel Borges Common Stock, par value $.01 per share A 9,152 $0.00 9,440 D M
01 Mar, 2026 Barry Hytinen Common Stock, par value $.01 per share A 232,977 $0.00 431,495 D M
01 Mar, 2026 Mark Kidd Common Stock, par value $.01 per share A 149,768 $0.00 198,849 D M
01 Mar, 2026 Mithu Bhargava Common Stock, par value $.01 per share A 51,919 $0.00 65,174 D M
01 Mar, 2026 William L Meaney Common Stock, par value $.01 per share A 650,674 $0.00 650,674 D M