BLACKLINE, INC. — Director's Dealing 2026

Feb 20, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BLACKLINE, INC. (BL)
CIK: 0001666134
Period of Report: 2026-02-18

Reporting Person: Tucker Therese (Director, Founder)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-18	Common Stock	G	27072	—	Disposed	52444	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	351128	Direct
Common Stock	100178	Indirect
Common Stock	1509881	Indirect
Common Stock	0	Indirect
Common Stock	0	Indirect
Common Stock	54074	Indirect
Common Stock	577200	Indirect
Common Stock	577200	Indirect
Common Stock	874128	Indirect
Common Stock	129897	Indirect
Common Stock	250916	Indirect

Footnotes

F1: The reported transaction represents a bona fide gift made by the reporting person.