Unterman Thomas plan to sell securities of BLACKLINE, INC. under Form 144

Unterman Thomas filed Form 144 to notify SEC of plan to sell 20000 units of BLACKLINE, INC. securities around 2026-05-12, with aggregate market value of $540,002.21. The total outstanding units is 58660917.0. The amount planned to be sold represents 0.03% of total outstanding units;