BLACKLINE, INC. — Director's Dealing 2023

Feb 24, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BLACKLINE, INC. (BL)
CIK: 0001666134
Period of Report: 2023-02-21

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-02-21	Common Stock	A	13082	$0.00	Acquired	317598	Direct
2023-02-21	Common Stock	F	3911	$71.42	Disposed	313687	Direct
2023-02-23	Common Stock	S	5613	$70.5599	Disposed	308074	Direct
2023-02-23	Common Stock	S	1265	$71.272	Disposed	306809	Direct

Footnotes

F1: The reported shares relate to the portion of a Performance-Based Restricted Stock Unit ("PRSU") granted on April 4, 2022 that has vested based on the Issuer's achievement of certain fiscal 2022 performance targets that were set by the Compensation Committee at the time of grant.

F2: The reported shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of PRSUs and restricted stock units.

F3: 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.

F4: The sale price represents the weighted-average price of shares sold ranging from $70.01 to $70.96 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 $71.02 to $71.77 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.