0001047469-04-011628 S-8 5 20040412 20040412 IRON MOUNTAIN INC/PA 0001020569 4220 232588479 PA 1231 S-8 33 333-114398 04728515 745 ATLANTIC AVENUE BOSTON MA 02111 6175354766 745 ATLANTIC AVENUE BOSTON MA 02111 PIERCE LEAHY CORP 19960807 S-8 1 a2133163zs-8.htm FORM S-8 EX-5.1 3 a2133163zex-5_1.htm EXHIBIT 5.1 EX-5.2 4 a2133163zex-5_2.htm EXHIBIT 5.2 EX-23.3 5 a2133163zex-23_3.htm EXHIBIT 23.3 EX-23.4 6 a2133163zex-23_4.htm EXHIBIT 23.4