BLACKLINE, INC. — Director's Dealing 2021

Aug 4, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BLACKLINE, INC. (BL)
CIK: 0001666134
Period of Report: 2021-08-02

Reporting Person: Unterman Thomas (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-08-02	Common Stock	M	1000	$5.00	Acquired	43990	Direct
2021-08-02	Common Stock	F	45	$113.60	Disposed	43945	Direct
2021-08-03	Common Stock	S	478	$114.10	Disposed	43467	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-08-02	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 Reporting 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.