Graham Smith - 13 May 2021 Form 4 Insider Report for BLACKLINE, INC. (BL)

Role: Director
Signature: /s/ Karole Morgan-Prager, Attorney-in-Fact
Issuer symbol: BL
Transactions as of: 13 May 2021
Net transactions value: -$220,625
Form type: 4
Filing time: 17 May 2021, 16:19:00 UTC
Next filing: 19 May 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	BL	Common Stock	Options Exercise	$36,250	+2,500	+28%	$14.50	11,359	13 May 2021	Direct	F1
transaction	BL	Common Stock	Sale	$256,875	-2,500	-22%	$102.75	8,859	13 May 2021	Direct	F1
transaction	BL	Common Stock	Award	$0	+1,847	+21%	$0.000000	10,706	13 May 2021	Direct	F2, F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	BL	Stock Option (right to buy)	Options Exercise	$0	-2,500	-3.9%	$0.000000	62,000	13 May 2021	Common Stock	2,500	$14.50	Direct	F1, F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
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 March 12, 2021.
F2	Reflects automatic annual restricted stock unit ("RSU") awards pursuant to the Issuer's Outside Director Compensation Policy.
F3	The reported securities awarded on May 13, 2021 (the "Award Date") represent RSUs which vest in full upon the earlier of the one (1) year anniversary of the Award Date or the day prior to the Issuer's next annual meeting of the stockholders and in each case subject to the Reporting Person's continued service on the Issuer's board of directors through each vesting date.
F4	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.