Thomas Unterman - Aug 2, 2021 Form 4 Insider Report for BLACKLINE, INC. (BL)

Role: Director
Signature: /s/ Karole Morgan-Prager, Attorney-in-Fact
Stock symbol: BL
Transactions as of: Aug 2, 2021
Transactions value $: -$54,652
Form type: 4
Date filed: 8/4/2021, 04:31 PM
Previous filing: Jul 2, 2021
Next filing: Sep 2, 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	BL	Common Stock	Options Exercise	$5K	+1K	+2.33%	$5.00^*	44K	Aug 2, 2021	Direct	F1
transaction	BL	Common Stock	Tax liability	-$5.11K	-45	-0.1%	$113.60	43.9K	Aug 2, 2021	Direct	F1, F2
transaction	BL	Common Stock	Sale	-$54.5K	-478	-1.09%	$114.10	43.5K	Aug 3, 2021	Direct	F1
holding	BL	Common Stock						50K	Aug 2, 2021	ETU Rustic Canyon Trust

Showing 1 to 4 of 4 entries

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	BL	Stock Option (Right to Buy)	Options Exercise	$0	-1K	-8.7%	$0.00	10.5K	Aug 2, 2021	Common Stock	1K	$5.00	Direct	F1, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
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.