Iron Mountain Inc.

IRM·NYSE·$128.40Share Price as of 11/2·$38BMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/05/26 10-QQ1 ended 03/31/2604/30/26 10-KFY 202502/12/26 10-QQ3 ended 09/30/2511/05/25 10-QQ2 ended 06/30/2508/06/25

Disclosures

8-KCurrent report08/05/26 8-KCurrent report06/26/26 8-KCurrent report05/12/26 8-KCurrent report04/30/26 8-KCurrent report03/09/26

Prospectuses and Registrations

S-8Registration of securities for employees12/15/25 S-8Registration of securities for employees08/09/21 S-8Registration of securities for employees08/09/21 424B5Prospectus supplement02/14/19 S-3ASRAutomatic shelf registration02/14/19

Proxies

DEF 14ADefinitive proxy03/24/26 DEFA14AAdditional proxy materials03/24/26 DEFR14ADefinitive proxy (revised)05/05/25 DEF 14ADefinitive proxy04/18/25 DEFA14AAdditional proxy materials04/18/25

Ownership

Form 4Insider transaction10/08/26 Form 4Insider transaction10/05/26 Form 4Insider transaction10/05/26 Form 4Insider transaction10/05/26 Form 4Insider transaction10/05/26

Other

ARSAnnual report to shareholders03/24/26 ARSAnnual report to shareholders04/18/25 UPLOADLetter from the SEC04/08/25 CORRESPCorrespondence with the SEC04/02/25 UPLOADLetter from the SEC03/25/25