X0306 4 2015-07-13 0 0000040417 GENERAL AMERICAN INVESTORS CO INC GAM 0001277571 TRUST F B O ALTSCHUL CHARLES U A D 10 22 58 1 0 0 1 Chairman Common Stock 2015-07-13 4 S 0 4800 34.8042 D 23048 D /s/Spencer Davidson, Trustee, Trust FBO Charles Altschul U/A/D 10/22/58 2015-07-15