BLACKLINE, INC. — Director's Dealing 2021

Nov 24, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BLACKLINE, INC. (BL)
CIK: 0001666134
Period of Report: 2021-11-23

Reporting Person: Tucker Therese (Director, Executive Chair)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-11-23	Common Stock	S	4131	$112.2693	Disposed	1525750	Indirect
2021-11-23	Common Stock	S	2870	$113.1199	Disposed	1522880	Indirect
2021-11-23	Common Stock	S	1800	$114.3353	Disposed	1521080	Indirect
2021-11-23	Common Stock	S	1199	$114.9271	Disposed	1519881	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	151264	Direct
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 sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020.

F2: The sale price represents the weighted-average price of shares sold ranging from $111.75 to $112.74 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.

F3: The sale price represents the weighted-average price of shares sold ranging from $112.765 to $113.41 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 $113.82 to $114.71 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 $114.785 to $115.11 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.