Miriam O'Sullivan, SVP and Chief HR Officer of Boston Scientific Corp (NYSE:BSX), filed a Form 4 on November 3, 2026, disclosing the vesting of 3,871 restricted stock units and a related tax-withholding disposition of 1,872 shares on November 1, 2026.

Key Highlights

  • RSU vesting: 3,871 restricted stock units converted to common stock on November 1, 2026, the third anniversary of the grant date, at a price of $0.0000 per unit.
  • Tax withholding disposal: 1,872 shares were disposed of (transaction code F) at $41.98 per share on November 1, 2026.
  • Direct ownership after transactions: O'Sullivan directly holds 19,565 shares of Boston Scientific common stock following the reported transactions.
  • Indirect ownership: An additional 1,731 shares are held indirectly by O'Sullivan's spouse, according to the filing.
  • ESPP shares included: The post-transaction direct total of 21,437 shares (before the withholding disposal) includes shares acquired under the Boston Scientific Employee Stock Purchase Plan, based on the most current data available at the time of filing.
  • Reporting person role: O'Sullivan is identified as an officer with the title SVP, Chief HR Officer.

O'Sullivan RSU Settlement and Share Withholding Details

According to the Form 4 filed with the SEC on November 3, 2026, Miriam O'Sullivan, SVP and Chief HR Officer of Boston Scientific Corp, reported two transactions in common stock occurring on November 1, 2026. The first was the settlement of 3,871 restricted stock units (transaction code M), which the filing states represented the company's commitment to issue one share of Boston Scientific common stock per unit. The units were issued in full on November 1, 2026, described as the third anniversary of the date of grant.

Following the vesting, 1,872 shares were disposed of under transaction code F at a price of $41.98 per share, a transaction type associated with shares withheld for tax purposes. After these two transactions, O'Sullivan's direct beneficial ownership stood at 19,565 shares. The filing notes that the intermediate figure of 21,437 shares, reported immediately after the M transaction, includes shares acquired under the Boston Scientific Employee Stock Purchase Plan based on the most current data available.

In addition to her directly held shares, the filing discloses that 1,731 shares of common stock are held indirectly by O'Sullivan's spouse. No derivative securities remain beneficially owned following the reported transactions, as the 3,871 restricted stock units shown in Table II were fully settled. The Form 4 was signed by Susan Thompson as attorney-in-fact on November 3, 2026.

What Was Disclosed

The filing reports the November 1, 2026 vesting of 3,871 restricted stock units and the same-day withholding of 1,872 shares at $41.98 each for Miriam O'Sullivan, leaving her with direct ownership of 19,565 Boston Scientific common shares and indirect ownership of 1,731 shares through her spouse.