X0202 4 2006-06-01 0 0000933405 AFTERMARKET TECHNOLOGY CORP ATAC 0001275938 JOHNSON DONALD T JR C/O AFTERMARKET TECHNOLOGY CORP. 1400 OPUS PLACE SUITE 600 DOWNERS GROVE IL 60515 1 1 0 0 Chairman, President and CEO Common Stock 2006-06-01 4 A 0 18750 0 A 96662 D Common Stock 2006-06-02 4 F 0 2455 24.88 D 94207 D Option to purchase common stock 24.69 2006-06-01 4 A 0 56250 0 A 2016-06-01 Common stock 56250 56250 D Restricted stock that vests in one-third increments on 6/01/07, 6/01/08 and 6/01/09. Includes 43,750 shares that are restricted. Shares withheld to pay tax liability related to the vesting of restricted stock. Includes 35,416 shares that are restricted. The options vest and become exercisable in one-third increments on 6/01/07, 6/01/08 and 6/01/09. Excludes options with different terms that were previously reported on Form 3, 4 or 5. /s/ Donald T. Johnson, Jr. 2006-06-05