X0306 4 2015-07-14 0 0000040417 GENERAL AMERICAN INVESTORS CO INC GAM 0001264675 TRUST FBO ALTSCHUL STEPHEN F UW ALTSCHUL HG C/O OVERBROOK MANAGEMENT CORP 122 EAST 42ND STREET SUITE 2500 NEW YORK NY 10168-2500 1 0 0 1 Chairman Common Stock 2015-07-14 4 S 0 3000 34.9418 D 8466 D 5.95% Preferred Stock 2000 D /s/Spencer Davidson, Trustee, Trust FBO Stephen F. Altschul, U/W H.G. Altschul 2015-07-15