BLACKLINE, INC. — Director's Dealing 2021

Feb 5, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BLACKLINE, INC. (BL)
CIK: 0001666134
Period of Report: 2021-02-04

Reporting Person: SMITH GRAHAM (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-02-04	Common Stock	M	8000	$14.50	Acquired	16859	Direct
2021-02-04	Common Stock	S	383	$137.201	Disposed	16476	Direct
2021-02-04	Common Stock	S	2563	$138.613	Disposed	13913	Direct
2021-02-04	Common Stock	S	1588	$139.599	Disposed	12325	Direct
2021-02-04	Common Stock	S	867	$140.459	Disposed	11458	Direct
2021-02-04	Common Stock	S	1143	$142.69	Disposed	10315	Direct
2021-02-04	Common Stock	S	1256	$143.462	Disposed	9059	Direct
2021-02-04	Common Stock	S	200	$144.26	Disposed	8859	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-02-04	Stock Option (right to buy)	$14.50	M	8000	Disposed	2025-05-19	Common Stock (8000)	Direct

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 February 28, 2020.

F2: The sale price represents the weighted-average price of shares sold ranging from $137.07 to $137.55 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 $138.195 to $138.995 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 $139.115 to $140.065 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 $140.265 to $140.765 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.

F6: The sale price represents the weighted-average price of shares sold ranging from $142.405 to $142.985 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.

F7: The sale price represents the weighted-average price of shares sold ranging from $143.12 to $143.98 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.

F8: The original option was granted for 100,000 shares and has been partially exercised. The shares subject to the original option vest in 4 equal, annual installments beginning on the one year anniversary of May 20, 2015.