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 subsequent tax withholding of shares related to restricted stock units.
Summary
- On March 4, 2025, William J. Newell, CEO of Sutro Biopharma, engaged in transactions involving the company's common stock.
- These transactions included the vesting of 31,125 restricted stock units (RSUs) and the withholding of 11,136 shares to cover income tax obligations.
- Following these transactions, Newell directly owns 280,489 shares of common stock and indirectly owns 116,525 shares through the William J. Newell Family Trust DTD 03/15/2019.
- The RSUs vest annually, with 1/4th of the total shares vesting each year beginning on March 4, 2023, contingent upon continued service.
Sentiment
Score: 6
Explanation: The document is a routine regulatory filing detailing stock transactions by an insider. It doesn't inherently convey positive or negative sentiment, but rather provides factual information. The vesting of RSUs is generally a positive sign, indicating the executive has met certain requirements.
Positives
- The vesting of RSUs indicates that Newell has met certain performance or service requirements.
Future Outlook
The RSUs vest as to 1/4th of the total shares annually beginning on March 4, 2023, subject to continued service through each vesting date.
Industry Context
Form 4 filings are standard disclosures required by the SEC to provide transparency into the transactions of company insiders, such as executives and directors. This allows the public to monitor their trading activity and assess their confidence in the company's prospects.
Key Dates
| Date | Description |
|---|---|
| 03/15/2019 | Date of the William J. Newell Family Trust. |
| 03/04/2023 | Start date for annual vesting of RSUs. |
| 03/04/2025 | Date of the reported transactions (RSU vesting and tax withholding). |
| 03/04/2026 | Expiration date of the Restricted Stock Units. |
| 03/06/2025 | Date of the report filing. |
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