Blackline Founder Therese Tucker Sells 6,663 Shares for Tax Withholding

Therese Tucker, Founder of Blackline, Inc., filed a Form 4 disclosing the sale of 6,663 shares of common stock on May 20, 2026, at $30.84 per share. The transactions involved three separate dispositions totaling 2,222, 2,016, and 2,425 shares respectively. According to the filing, these shares were withheld to cover Tucker's tax liability in connection with the vesting of restricted stock units. Following these transactions, Tucker's direct ownership decreased to 354,997 shares. The filing also details extensive indirect holdings through various family trusts totaling over 4.5 million shares, including holdings in the Brian and Therese Tucker Living Trust (1.5 million shares), Tucker Legacy Trust (874,128 shares), and other family trust vehicles.