Form 4: Sutro Biopharma CEO William J. Newell Reports Stock Transactions
SEC Form 4 Filing
William J. Newell, CEO of Sutro Biopharma, reports the vesting and tax withholding of restricted stock units (RSUs) and transactions involving common stock.
Summary
- On March 1, 2025, William J. Newell, CEO of Sutro Biopharma, engaged in transactions involving the company's common stock and restricted stock units (RSUs).
- Newell exercised 23,750 RSUs and 41,750 RSUs, converting them into common stock.
- The company withheld 25,203 shares of common stock to cover income tax obligations related to the RSU settlements.
- Following these transactions, Newell directly owns 260,500 shares of common stock and indirectly owns 116,525 shares through the William J. Newell Family Trust DTD 03/15/2019.
- He also holds 47,500 RSUs that vest annually until March 1, 2027, and 125,250 RSUs that vest annually until March 1, 2028.
Sentiment
Score: 5
Explanation: This is a routine regulatory filing reflecting standard compensation practices; neither particularly positive nor negative.
Industry Context
Form 4 filings are a routine part of corporate governance, providing transparency into the transactions of company insiders.
Stakeholder Impact
- The transactions have a minor impact on shareholders as they reflect standard executive compensation.
Key Dates
| Date | Description |
|---|---|
| 03/15/2019 | Date of William J. Newell Family Trust |
| 03/01/2024 | Initial vesting date for 1/4th of the 23,750 RSUs |
| 03/01/2025 | Date of reported transactions: RSU exercises and tax withholding |
| 03/01/2025 | Initial vesting date for 1/4th of the 41,750 RSUs |
| 03/01/2027 | Final vesting date for the 23,750 RSUs |
| 03/01/2028 | Final vesting date for the 41,750 RSUs |
| 03/04/2025 | Date of Form 4 signature |
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