X0202 4 2007-09-21 0 0000006176 AMPCO PITTSBURGH CORP AP 0001351834 Louis Berkman Investment CO 300 NORTH 7TH STREET STEUBENVILLE OH 43952 0 0 1 0 Common Stock 2007-09-21 4 S 0 100 41.27 D 2209992 D Common Stock 2007-09-21 4 S 0 100 41.40 D 2209892 D Common Stock 2007-09-21 4 S 0 100 41.50 D 2209792 D Common Stock 2007-09-21 4 S 0 100 41.53 D 2209692 D Common Stock 2007-09-21 4 S 0 100 41.65 D 2209592 D Common Stock 2007-09-21 4 S 0 400 41.66 D 2209192 D Common Stock 2007-09-21 4 S 0 100 41.69 D 2209092 D Common Stock 2007-09-21 4 S 0 100 41.70 D 2208992 D Common Stock 2007-09-21 4 S 0 200 41.71 D 2208792 D Common Stock 2007-09-21 4 S 0 100 41.72 D 2208692 D Common Stock 2007-09-21 4 S 0 100 41.75 D 2208592 D Common Stock 2007-09-21 4 S 0 100 41.77 D 2208492 D Common Stock 2007-09-21 4 S 0 100 41.79 D 2208392 D Common Stock 2007-09-21 4 S 0 500 41.80 D 2207892 D Common Stock 2007-09-21 4 S 0 200 41.81 D 2207692 D Common Stock 2007-09-21 4 S 0 200 41.83 D 2207492 D Common Stock 2007-09-21 4 S 0 100 41.84 D 2207392 D Common Stock 2007-09-21 4 S 0 100 41.89 D 2207292 D Common Stock 2007-09-21 4 S 0 100 41.91 D 2207192 D Common Stock 2007-09-21 4 S 0 100 41.92 D 2207092 D Common Stock 2007-09-21 4 S 0 100 41.94 D 2206992 D Common Stock 2007-09-21 4 S 0 100 41.95 D 2206892 D Common Stock 2007-09-21 4 S 0 100 41.96 D 2206792 D Common Stock 2007-09-21 4 S 0 100 42.00 D 2206692 D Common Stock 2007-09-21 4 S 0 100 42.01 D 2206592 D Common Stock 2007-09-21 4 S 0 100 42.04 D 2206492 D Common Stock 2007-09-21 4 S 0 300 42.05 D 2206192 D Common Stock 2007-09-21 4 S 0 200 42.10 D 2205992 D Common Stock 2007-09-21 4 S 0 200 42.11 D 2205792 D Common Stock 2007-09-21 4 S 0 100 42.12 D 2205692 D The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 26, 2007, as amended on August 14, 2007 (the "Plan"). The Plan was adopted to allow the Berkman family to satisfy liquidity and diversification objectives in connection with Mr. Berkman's estate planning. /s/ Sean T. Peppard as attorney-in-fact 2007-09-25