Form 4: BlackLine Co-CEO's Routine Stock Tax Withholding

BlackLine, Inc. Co-CEO Therese Tucker reported the withholding of 4,231 shares of common stock to cover tax liabilities from RSU vesting.

Summary

• Therese Tucker, a Director and Co-CEO of BlackLine, Inc. (BL), reported a transaction involving the company's common stock.
• On August 20, 2025, a total of 4,231 shares of common stock were disposed of.
• The disposition consisted of two separate withholdings: 2,219 shares and 2,012 shares.
• These shares were withheld at a price of $52.23 per share.
• The purpose of the withholding was to cover the reporting person's tax liability associated with the vesting of restricted stock units (RSUs).
• Following these transactions, Therese Tucker directly beneficially owns 355,358 shares of common stock.
• Additionally, Therese Tucker indirectly beneficially owns a significant number of shares through various trusts, including 100,178 shares via Brian and Therese Tucker Charitable Remainder Trust, 1,509,881 shares via Brian and Therese Tucker Living Trust, 54,074 shares via Claire Seimetz 2015 Trust, 577,200 shares via Isaac Tucker 2012 Irrevocable Trust, 577,200 shares via Roseanna Tucker 2012 Irrevocable Trust, 79,516 shares via Tucker Family CLAT, 874,128 shares via Tucker Legacy Trust, 129,897 shares via Tucker Legacy Trust II, and 250,916 shares via Tucker Seimetz Safety Net Grat.

Sentiment

Score: 5

Explanation: The filing reports a routine, non-discretionary transaction (tax withholding for RSU vesting) by an insider. This type of transaction is neutral in terms of company performance or outlook and is an expected part of executive compensation.

Future Outlook

This filing does not contain any forward-looking statements or guidance regarding the company's future performance or strategic direction.

Industry Context

This Form 4 filing is a routine disclosure of an insider transaction, specifically a tax withholding related to RSU vesting. It does not provide insights into broader industry trends or competitive landscape, as it pertains solely to an individual's compensation-related stock activity.

Related Party Transactions

• Therese Tucker's indirect beneficial ownership includes shares held through various family trusts (e.g., Brian and Therese Tucker Charitable Remainder Trust, Brian and Therese Tucker Living Trust, Claire Seimetz 2015 Trust, Isaac Tucker 2012 Irrevocable Trust, Roseanna Tucker 2012 Irrevocable Trust, Tucker Family CLAT, Tucker Legacy Trust, Tucker Legacy Trust II, Tucker Seimetz Safety Net Grat).

Stakeholder Impact

• Shareholders: Minimal direct impact as this is a routine, non-discretionary transaction related to executive compensation and tax obligations, not a sale for liquidity or a change in investment thesis.
• Employees: No direct impact beyond the reporting person.

Key Dates

Recommendation

This Form 4 filing details a routine, non-discretionary transaction by an insider (tax withholding for RSU vesting). It does not provide any new information regarding the company's operational performance, financial health, or strategic direction that would warrant a change in investment recommendation. The transaction is an expected part of executive compensation and does not signal any positive or negative sentiment about the company's future prospects. Therefore, a 'hold' recommendation is appropriate, maintaining existing positions based on broader company fundamentals rather than this specific filing.

Keywords

BlackLine, BL, Therese Tucker, Form 4, SEC filing, stock transaction, RSU vesting, tax withholding, insider trading, corporate governance