IRM SEC Filings: 8-K, 10-Q, S-3 & 424B – Iron Mountain

Financials

TYPE

HEADLINE

FILED AT

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Nov 5, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Aug 5, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Apr 30, 2026

10-K

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]

Feb 12, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Nov 5, 2025

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Aug 6, 2025

News

TYPE

HEADLINE

FILED AT

8-K

Iron Mountain Reports Third Quarter 2026 Results and Raises Full-Year Guidance

Nov 5, 2026

8-K

Iron Mountain Reports Record Second Quarter 2026 Financial Results and Increases Full-Year Guidance

Aug 5, 2026

8-K

Iron Mountain Incorporated Completes $1.5 Billion Private Offering of 6.250% Senior Notes due 2035

Jun 26, 2026

8-K

Iron Mountain Incorporated Announces Results of 2026 Annual Meeting of Stockholders

May 12, 2026

8-K

Iron Mountain Reports Record First Quarter 2026 Financial Results and Raises Full-Year Guidance

Apr 30, 2026

8-K

Disclosure of Material United States Federal Income Tax Considerations for REIT Qualification

Mar 9, 2026

Prospectus

TYPE

HEADLINE

FILED AT

424B5

Common Stock

Feb 14, 2019

424B5

Registration

Dec 14, 2017

424B5

Registration

Dec 11, 2017

424B5

Registration

Oct 5, 2017

425

Registration

Jun 8, 2015

425

Registration

Apr 28, 2015

Registrations

TYPE

HEADLINE

FILED AT

S-8

Form S-8 - Securities to be offered to employees in employee benefit plans

Dec 15, 2025

S-8

1,000,000

Aug 9, 2021

S-8

8,000,000

Aug 9, 2021

S-3ASR

Common Stock

Feb 14, 2019

S-8

5,000,000

Oct 27, 2017

S-3ASR

Registration

Feb 29, 2016

Proxies

TYPE

HEADLINE

FILED AT

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

Mar 24, 2026

DEF 14A

Form DEF 14A - Other definitive proxy statements

Mar 24, 2026

DEFR14A

Form DEFR14A - Revised definitive proxy soliciting materials

May 5, 2025

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

Apr 18, 2025

DEF 14A

Form DEF 14A - Other definitive proxy statements

Apr 18, 2025

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

Apr 19, 2024

Ownerships

TYPE

HEADLINE

FILED AT

NEWMeaney William L (Reporting)

Nov 9, 2026

144

Form 144 - Report of proposed sale of securities

Nov 6, 2026

McIntosh Greg W (Reporting)

Nov 3, 2026

144

Form 144 - Report of proposed sale of securities

Nov 2, 2026

Samuels Theodore R. II (Reporting)

Oct 8, 2026

Simons Doyle (Reporting)

Oct 5, 2026

Other

TYPE

HEADLINE

FILED AT

LETTER

Form UPLOAD - SEC-generated letter

Apr 8, 2025

CORRESP

Form CORRESP - Correspondence

Apr 2, 2025

LETTER

Form UPLOAD - SEC-generated letter

Mar 25, 2025

LETTER

Form UPLOAD - SEC-generated letter

Oct 24, 2022

CORRESP

Form CORRESP - Correspondence

Sep 19, 2022

LETTER

Form UPLOAD - SEC-generated letter

Aug 31, 2022

Iron Mountain Incorporated IRM · SEC Filings