BLACKLINE, INC. — Director's Dealing 2023

Feb 23, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BLACKLINE, INC. (BL)
CIK: 0001666134
Period of Report: 2023-02-17

Reporting Person: Huffman Marc (Director, Chief Executive Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-02-17	Common Stock	F	9361	$71.72	Disposed	324166	Direct
2023-02-21	Common Stock	S	2417	$70.045	Disposed	321749	Direct
2023-02-21	Common Stock	S	11221	$70.6894	Disposed	310528	Direct
2023-02-21	Common Stock	S	6012	$71.4836	Disposed	304516	Direct

Footnotes

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

F2: The sale transaction reported on this Form 4 was effectuated pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 8, 2022.

F3: The sale price represents the weighted-average price of shares sold ranging from $69.19 to $70.16 per share. Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

F4: The sale price represents the weighted-average price of shares sold ranging from $70.19 to $71.16 per share. Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

F5: The sale price represents the weighted-average price of shares sold ranging from $71.31 to $71.81 per share. Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.