IRON MOUNTAIN INC — S-4/A Filings
4 S-4/A filings on record
This page lists all S-4/A filings submitted to the SEC by IRON MOUNTAIN INC (IRM), sorted by most recent first. Each row links to the full filing on EdgarLookup. IRON MOUNTAIN INC has filed 4 S-4/A documents with the SEC since 2018. To view all SEC filings by IRON MOUNTAIN INC, see the full filings list.
All
10-K
10-K/A
10-K405
10-Q
10-Q/A
11-K
144
144/A
15-12B
25
25-NSE
3
3/A
305B2
4
4/A
424B3
424B4
424B5
425
5
5/A
8-A12B
8-A12B/A
8-K
8-K/A
8-K12B
ARS
AW
CERTNYS
CORRESP
DEF 14A
DEFA14A
DEFM14A
DEFR14A
DFAN14A
EFFECT
FWP
IRANNOTICE
NO ACT
POS AM
POSASR
PRE 14A
PREC14A
PREM14A
PRER14A
PRRN14A
REGDEX
S-1
S-1/A
S-1MEF
S-3
S-3/A
S-3ASR
S-3MEF
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| S-4/A | S-4/A | 0000912057-99-009142 | Dec 13, 1999 | — |
| S-4/A | PIERCE LEAHY COMMAND COMPANY FORM S-4/A | 0001036050-98-001532 | Sep 9, 1998 | — |
| S-4/A | FORM S-4/A, AMENDMENT #2 | 0000950109-96-006850 | Oct 22, 1996 | — |
| S-4/A | FORM S-4, AMENDMENT #1 | 0000950109-96-006474 | Oct 4, 1996 | — |