X0202 4 2005-11-01 0001020569 IRON MOUNTAIN INC IRM 0000903201 GOLISANO B THOMAS C/O PAYCHEX INC. 911 PANORAMA TRAIL SOUTH ROCHESTER NY 14625 1 0 0 0 Common Stock, par value, $.01 per share 2005-11-01 4 S 0 2500 40.30 D 2527353 D Common Stock, par value, $.01 per share 2005-11-01 4 S 0 200 40.27 D 2527153 D Common Stock, par value, $.01 per share 2005-11-01 4 S 0 900 40.25 D 2526253 D Common Stock, par value, $.01 per share 2005-11-01 4 S 0 200 40.24 D 2526053 D Common Stock, par value, $.01 per share 2005-10-31 4 S 0 200 40.23 D 2525853 D Common Stock, par value, $.01 per share 2005-11-01 4 S 0 500 40.20 D 2525353 D Common Stock, par value, $.01 per share 2005-11-01 4 S 0 200 40.19 D 2525153 D Common Stock, par value, $.01 per share 2005-11-01 4 S 0 200 40.18 D 2524953 D Common Stock, par value, $.01 per share 2005-11-01 4 S 0 2100 40.15 D 2522853 D Common Stock, par value, $.01 per share 2005-11-01 4 S 0 100 40.14 D 2522753 D Common Stock, par value, $.01 per share 2005-11-01 4 S 0 300 40.13 D 2522453 D Common Stock, par value, $.01 per share 2005-11-01 4 S 0 100 40.12 D 2522353 D Common Stock, par value, $.01 per share 2005-11-01 4 S 0 200 40.09 D 2522153 D Common Stock, par value, $.01 per share 2005-11-01 4 S 0 300 40.07 D 2521853 D Common Stock, par value, $.01 per share 2005-11-01 4 S 0 1500 40.05 D 2520353 D Common Stock, par value, $.01 per share 2005-11-01 4 S 0 300 40.04 D 2520053 D Common Stock, par value, $.01 per share 2005-11-01 4 S 0 5500 40.03 D 2514553 D Common Stock, par value, $.01 per share 2005-11-01 4 S 0 1000 40.01 D 2513553 D Common Stock, par value, $.01 per share 2005-11-01 4 S 0 700 40.00 D 2512853 D Common Stock, par value, $.01 per share 2005-11-01 4 S 0 8900 39.99 D 2503953 D Common Stock, par value, $.01 per share 2005-11-01 4 S 0 5500 39.98 D 2498453 D Common Stock, par value, $.01 per share 2005-11-01 4 S 0 1500 39.97 D 2496953 D Common Stock, par value, $.01 per share 2005-11-01 4 S 0 1700 39.96 D 2495253 D Common Stock, par value, $.01 per share 2005-11-01 4 S 0 16000 39.95 D 2479253 D Common Stock, par value, $.01 per share 2005-11-01 4 S 0 11300 39.94 D 2467953 D Common Stock, par value, $.01 per share 2005-11-01 4 S 0 3400 39.93 D 2464553 D Common Stock, par value, $.01 per share 2005-11-01 4 S 0 1200 39.92 D 2463353 D Common Stock, par value, $.01 per share 2005-11-01 4 S 0 7100 39.91 D 2456253 D Common Stock, par value, $.01 per share 2005-11-01 4 S 0 10900 39.90 D 2445353 D This Form 4 is the first of three Form 4's filed for the sale of 189,000 shares of Iron Mountain Common Stock on November 1, 2005. Clare A. Dever, under Power of Attorney dated September 10, 2002 from B. Thomas Golisano 2005-11-03