X0306
4
2019-07-26
0
0001366527
Carbon Black, Inc.
CBLK
0001738570
POLK RYAN JAMES
C/O CARBON BLACK, INC.
1100 WINTER STREET
WALTHAM
MA
02451
0
1
0
0
See Remarks
Common Stock
2019-07-26
4
M
0
14000
5.98
A
82953
D
Common Stock
2019-07-26
4
S
0
14000
19
D
68953
D
Stock Option (Right to Buy)
5.98
2019-07-26
4
M
0
14000
0
D
2027-01-26
Common Stock
14000
158000
D
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 17, 2018.
The stock option vests 25% on January 1, 2018 and the remainder vests in equal monthly installments such that the option will be fully vested on January 1, 2021.
Title: Senior Vice President and Chief Product Officer
/s/ Eric Pyenson, attorney-in-fact
2019-07-30