Boston Scientific Chief HR Officer Acquires Shares via RSU Vesting and Withholds for Taxes

Executive Summary

On November 1, 2026, Miriam O'Sullivan, Senior Vice President and Chief HR Officer of Boston Scientific Corp ($BSX), completed routine transactions related to the vesting of equity compensation. A total of 3,871 restricted stock units (RSUs) vested into common stock at zero cost, of which 1,872 shares were surrendered at $41.98 per share (total value of $78,586.56) to satisfy tax withholding obligations.

Transaction Breakdown

• RSU Conversion (Code M): 3,871 RSUs vested and converted into 3,871 shares of common stock on November 1, 2026, marking the third anniversary of the grant date.
• Tax Withholding (Code F): 1,872 shares were withheld by the issuer at a price of $41.98 per share to cover statutory tax liabilities associated with the vesting.
• Net Share Increase: +1,999 shares of common stock.

Ownership Structure

Following these transactions:

• Direct Ownership: 19,565 shares of common stock (including shares acquired via the employee stock purchase plan).
• Indirect Ownership: 1,731 shares held by spouse.

Market & Trading Significance

This filing reflects routine, scheduled equity vesting and automatic tax withholding rather than discretionary market buying or selling. As such, the transaction carries low trading significance.