Securities exchange act of 1934 15 usc 78m a 78o d )) July 8, 2019 16 32 64 128 Securities act of 1933 3(a) of the securities exchange act of 1934 ( 15 u.s.c. 78c(a) ) Securities exchange act of 1934 ( 15 u.s.c. 78c(a) ) 15(d) of the securities exchange act of 1934 (15 u.s.c. 78o(d))