BLACKLINE, INC. — Director's Dealing 2024

Dec 16, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BLACKLINE, INC. (BL)
CIK: 0001666134
Period of Report: 2024-12-12

Reporting Person: Woodhams Mark (Chief Revenue Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-12-12	Common Stock	M	7998	$49.04	Acquired	93784	Direct
2024-12-12	Common Stock	M	3544	$48.65	Acquired	97328	Direct
2024-12-12	Common Stock	S	21242	$64.25	Disposed	76086	Direct
2024-12-12	Common Stock	S	3166	$64.78	Disposed	72920	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2024-12-12	Stock Option (Right to Buy)	$48.65	M	3544	Disposed	2029-05-15	Common Stock (3544)	Direct
2024-12-12	Stock Option (Right to Buy)	$49.04	M	7998	Disposed	2028-08-07	Common Stock (7998)	Direct

Footnotes

F1: The transaction reported on this Form 4 was effectuated pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 13, 2024.

F2: The sale price represents the weighted average price of shares sold ranging from $63.74 to $64.73 per share, and is rounded to the nearest tenth of a cent. 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 $64.74 to $64.86 per share, and is rounded to the nearest tenth of a cent. 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 options became exercisable based on the following vesting schedule, which shall be satisfied over a 5-year period: 25% of the shares subject to the option vested on the one (1) year anniversary of the grant date (the "Annual Option Vesting Commencement Date"), and 1/16th of the remaining options vest every three months thereafter on the same day of the month as the Annual Option Vesting Commencement Date, subject to the reporting person's continued service through each applicable vesting date.