BLACKLINE, INC. — Director's Dealing 2023

May 23, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BLACKLINE, INC. (BL)
CIK: 0001666134
Period of Report: 2023-05-19

Reporting Person: Tucker Therese (Director, Co-CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-05-19	Common Stock	F	3548	$53.59	Disposed	264259	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1509881	Indirect
Common Stock	100178	Indirect
Common Stock	100178	Indirect
Common Stock	874128	Indirect
Common Stock	129897	Indirect
Common Stock	577200	Indirect
Common Stock	577200	Indirect
Common Stock	250916	Indirect
Common Stock	54074	Indirect

Footnotes

F1: The reported shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units.