Form 4 Filing for Blackline, Inc. - Insider Transactions

This filing details stock transactions by Therese Tucker, Founder and an insider of Blackline, Inc. On February 20, 2026, Tucker acquired a total of 42,318 shares of common stock through the vesting of Performance-Based Restricted Stock Units (PRSUs). Specifically, 21,761 shares vested under fiscal 2023 targets (F1), 9,332 shares under fiscal 2024 targets (F2), and 11,225 shares under fiscal 2025 targets (F3). The acquisition price for these shares was $36.15 per share. Additionally, 31,786 shares were disposed of to cover tax liabilities related to vested RSUs and PRSUs (F4), also at a price of $36.15 per share. These transactions resulted in a net increase in directly held shares, with the total number of shares held following the transactions being 361,660. The filing also lists various trusts holding a significant number of shares indirectly, including the Brian and Therese Tucker Living Trust (1,509,881 shares) and the Tucker Legacy Trust (874,128 shares).