Form 4: Twist Bioscience CAO Sells Shares for Tax Obligations

Twist Bioscience's Chief Accounting Officer, Robert F. Werner, sold 238 shares of common stock to cover tax withholding obligations related to RSU vesting.

Summary

• Robert F. Werner, Chief Accounting Officer of Twist Bioscience Corp (TWST), reported a transaction involving the company's common stock.
• On August 21, 2025, Mr. Werner sold 238 shares of TWST common stock at a price of $25.964 per share.
• This sale was a 'sell to cover' transaction, mandated by Twist Bioscience's equity incentive plans to satisfy tax withholding obligations upon the vesting of Restricted Stock Units (RSUs).
• The transaction was not a discretionary trade by Mr. Werner.
• Following this sale, Mr. Werner beneficially owns 49,542 shares of Twist Bioscience common stock.

Sentiment

Score: 6

Explanation: The transaction is a routine 'sell to cover' for tax obligations related to RSU vesting, which is a standard, non-discretionary event for executive compensation and does not reflect a change in management's outlook on the company. It is neutral to slightly positive as RSU vesting implies continued executive performance.

Positives

• The transaction is a non-discretionary 'sell to cover' for tax withholding, indicating the vesting of Restricted Stock Units (RSUs) for a key executive.
• The vesting of RSUs suggests continued employment and performance by the Chief Accounting Officer.

Negatives

• The sale reduces the direct beneficial ownership of common stock by the Chief Accounting Officer by 238 shares.

Future Outlook

NA

Management Comments

• The sale represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of Restricted Stock Units.
• These sales are mandated by the Issuer's election under its equity incentive plans to require the satisfaction of a tax withholding obligation to be funded by a 'sell to cover' transaction and do not represent discretionary trades by the Reporting Person.

Industry Context

NA

Stakeholder Impact

• Shareholders: The sale of 238 shares represents a minimal reduction in the Chief Accounting Officer's direct beneficial ownership, which is a standard, non-discretionary event for tax purposes related to RSU vesting. This does not typically signal a change in executive confidence or significant market impact.

Key Dates

Recommendation

This Form 4 reports a routine 'sell to cover' transaction by a company executive to satisfy tax obligations upon RSU vesting. Such non-discretionary sales do not typically signal a change in the company's fundamental outlook or warrant a change in investment recommendation.

Keywords

Twist Bioscience, TWST, Form 4, Insider Transaction, Stock Sale, RSU, Restricted Stock Units, Tax Withholding, Chief Accounting Officer, Robert F. Werner