BLACKLINE, INC. — Director's Dealing 2024

May 10, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BLACKLINE, INC. (BL)
CIK: 0001666134
Period of Report: 2024-05-08

Reporting Person: Duan Jimmy C (Chief Customer Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-05-08	Common Stock	A	48360	—	Acquired	48360	Direct

Footnotes

F1: Each share is represented by a Restricted Stock Unit ("RSU"). 25% of the Restricted Stock Units will vest on the one (1) year anniversary of May 20, 2024 (the "RSU Vesting Commencement Date"), and 1/16th of the Restricted Stock Units will vest every three months thereafter on the same day of the month as the RSU Vesting Commencement Date, subject to the Reporting Person's continued service through each applicable vesting date.