Paula Green, SVP of Human Resources at Twist Bioscience Corp, filed a Form 4 on September 10, 2026, reporting the sale of 907 shares of common stock on September 8, 2026, to satisfy tax withholding obligations tied to the vesting of Restricted Stock Units.

Key Highlights

  • Reporting person: Paula Green, SVP of Human Resources at Twist Bioscience Corp (NASDAQ:TWST)
  • Transaction date: September 8, 2026
  • Shares sold: 907 shares of common stock, disposed of (transaction code S)
  • Sale price: $122.624 per share
  • Post-transaction ownership: 117,014 shares of common stock held directly
  • Purpose: Sale was mandated by the issuer to cover tax withholding obligations on vesting Restricted Stock Units, not a discretionary trade

Mandatory Tax-Withholding Sale by Twist Bioscience Human Resources Executive

According to the filing, Paula Green, who serves as SVP of Human Resources at Twist Bioscience Corp, disposed of 907 shares of common stock on September 8, 2026, at a price of $122.624 per share. The transaction was recorded with code "S" and classified as a disposal (D) in Table I of the Form 4.

The filing's footnote specifies that the shares sold "represent 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." The footnote further states that "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." No derivative securities transactions were reported in Table II.

Following the reported transaction, Green directly held 117,014 shares of Twist Bioscience common stock, according to the filing. The Form 4 was signed by Kendra Fox as Attorney-in-Fact for Paula Green and filed on September 10, 2026.

What Was Disclosed

The filing disclosed a single sale of 907 shares of Twist Bioscience Corp common stock at $122.624 per share by SVP Paula Green on September 8, 2026, executed solely to satisfy RSU vesting tax obligations as required by the company's equity incentive plans.