Thomas Unterman - 01 Mar 2023 Form 4 Insider Report for BLACKLINE, INC. (BL)

Role: Director
Signature: /s/ Karole Morgan-Prager, Attorney-in-Fact
Issuer symbol: BL
Transactions as of: 01 Mar 2023
Net transactions value: -$12,116
Form type: 4
Filing time: 01 Mar 2023, 18:49:14 UTC
Previous filing: 02 Feb 2023
Next filing: 03 Apr 2023
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	$37,068	+896	+1.7%	$41.37	53,303	01 Mar 2023	Direct	F1
transaction	BL	Common Stock	Tax liability	$18,580	-272	-0.51%	$68.31	53,031	01 Mar 2023	Direct	F2
transaction	BL	Common Stock	Sale	$30,603	-448	-0.84%	$68.31	52,583	01 Mar 2023	Direct	F1
holding	BL	Common Stock						50,000	01 Mar 2023	ETU Rustic Canyon Trust

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	-896	-100%	$0.000000^*	0	01 Mar 2023	Common Stock	896	$41.37	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 November 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.