X0306
4
2017-12-05
0
0001692819
Vistra Energy Corp
VST
0001711936
HELM SCOTT B
6555 SIERRA DRIVE
IRVING
TX
75039
1
0
0
0
Common Stock
2017-12-05
4
P
0
200
18.52
A
14502
D
The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan established by the reporting person on November 10, 2017.
/s/ Scott B. Helm
2017-12-07