X0306
4
2018-08-31
0000008670
AUTOMATIC DATA PROCESSING INC
ADP
0001487699
Bonarti Michael A
ONE ADP BOULEVARD
ROSELAND
NJ
07068
1
Corporate Vice President
Common Stock
2018-08-31
4
F
0
4530.0000
146.7500
D
43318.1390
D
Common Stock
2018-09-04
4
S
0
2334.0000
144.7710
D
40984.1390
D
Stock Option (Right to Buy)
146.7500
2018-09-01
4
A
0
28195.0000
0.0000
A
2019-09-01
2028-08-31
Common Stock
28195.0000
28195.0000
D
The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in August 2017
/s/ Michael A. Bonarti
2018-09-05