Form 4: Sutro Biopharma's Chief Medical Officer Reports Stock Transactions
SEC Form 4 Filing
Anne Elizabeth Borgman, Chief Medical Officer of Sutro Biopharma, reports the vesting and subsequent tax withholding of shares related to restricted stock units.
Summary
- Anne Elizabeth Borgman, the Chief Medical Officer of Sutro Biopharma, filed a Form 4 detailing changes in her beneficial ownership of the company's stock.
- On February 28, 2025, 37,500 shares of common stock were acquired through the vesting of restricted stock units (RSUs), and 15,405 shares were withheld by the issuer to cover income tax obligations.
- On March 1, 2025, an additional 11,250 shares were acquired through RSU vesting, with 4,621 shares withheld for tax purposes.
- Following these transactions, Borgman directly owns 53,098 shares of common stock.
- She also holds 33,750 RSUs that will vest in the future.
Sentiment
Score: 5
Explanation: This is a routine filing related to stock transactions, so the sentiment is neutral.
Industry Context
Form 4 filings are a routine part of corporate governance, providing transparency into the transactions of company insiders.
Stakeholder Impact
- The filing provides transparency to shareholders regarding insider transactions.
Key Dates
| Date | Description |
|---|---|
| 02/29/2024 | First vesting date for 1/4th of the February 28, 2025 RSU award. |
| 02/28/2025 | Date of RSU vesting (37,500 shares) and tax withholding (15,405 shares). |
| 03/01/2025 | Date of RSU vesting (11,250 shares) and tax withholding (4,621 shares). |
| 03/01/2025 | First vesting date for 1/4th of the March 1, 2025 RSU award. |
| 03/04/2025 | Date of Form 4 filing. |
| 02/28/2027 | Expiration date for the February 28, 2025 RSU award. |
| 03/01/2028 | Expiration date for the March 1, 2025 RSU award. |
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