BLACKLINE, INC. — Director's Dealing 2021

Jul 3, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BLACKLINE, INC. (BL)
CIK: 0001666134
Period of Report: 2021-07-01

Reporting Person: Unterman Thomas (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-07-01	Common Stock	M	1000	$5.00	Acquired	43513	Direct
2021-07-01	Common Stock	F	46	$110.74	Disposed	43467	Direct
2021-07-02	Common Stock	S	477	$113.05	Disposed	42990	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-07-01	Stock Option (Right to Buy)	$5.00	M	1000	Disposed	2024-03-02	Common Stock (1000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	50000	Indirect

Footnotes

F1: The sale transaction reported on this Form 4 was effectuated pursuant to a Rule 10b5-1 trading plan adopted by the Reported Person on March 12, 2021.

F2: Represents shares withheld to pay the exercise price of the Reporting Person's option.

F3: The option is fully vested and immediately exercisable.