Planned sales, announced before they happen
3 trading plans running, 6 Form 144 notices for $23.4M
Plans running now
3
Michael F. Mahoney, Miriam O’Sullivan, Arthur C. Butcher
What BSX's directors and officers said they would sell, before they sold: trading plans the company reports each quarter, and the Form 144 notices sellers file on the day of a planned sale. Most of these sales are routine, such as selling shares from vesting stock awards.
Trading plans
Plans adopted or ended
| Insider | What | Date | Shares | Runs to | Reported in |
|---|---|---|---|---|---|
| Michael F. Mahoney Chairman and Chief Executive Officer |
Adopted 10b5-1 plan | Aug 12, 2026 | up to 98,814 | 200 days | 10-Q Nov 2, 2026 |
What the company wroteOn August 12, 2026, Michael F. Mahoney, our Chairman and Chief Executive Officer, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Mr. Mahoney’s plan covers the sale of 98,814 shares of our common stock to be acquired upon exercise of stock options. Transactions under Mr. Mahoney’s plan are based upon pre-established dates and stock price thresholds and will only occur upon the expiration of the applicable mandatory cooling-off period. Mr. Mahoney’s plan will terminate on the earlier of February 28, 2027, or the date all shares subject to the plan have been sold. | |||||
| Michael F. Mahoney Chairman and Chief Executive Officer |
Ended 10b5-1 plan | Feb 19, 2026 | up to 287,264 | – | 10-Q May 1, 2026 |
| Miriam O’Sullivan Senior Vice President and Chief Human Resources Officer |
Adopted 10b5-1 plan | Nov 13, 2025 | up to 14,912 | Dec 31, 2026 | 10-K Feb 17, 2026 |
| Michael F. Mahoney Chairman and Chief Executive Officer |
Adopted 10b5-1 plan | Aug 29, 2025 | up to 287,264 | Apr 17, 2026 | 10-Q Nov 3, 2025 |
What the company wroteOn August 29, 2025, Michael F. Mahoney, our Chairman and Chief Executive Officer, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Mr. Mahoney’s plan covers the sale of 478,914 shares of our common stock, including 287,264 shares to be acquired upon exercise of stock options. Transactions under Mr. Mahoney’s plan are based upon pre-established dates and stock price thresholds and will only occur upon the expiration of the applicable mandatory cooling-off period. Mr. Mahoney’s plan will terminate on the earlier of April 17, 2026, or the date all shares subject to the plan have been sold. | |||||
| Arthur C. Butcher Executive Vice President and Group President, MedSurg and Asia Pacific |
Adopted 10b5-1 plan | Aug 28, 2025 | up to 57,593 | Feb 1, 2027 | 10-Q Nov 3, 2025 |
What the company wroteOn August 28, 2025, Arthur C. Butcher, our Executive Vice President and Group President, MedSurg and Asia Pacific, entered into a new trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Mr. Butcher’s plan covers the sale of up to 85,334 shares of our common stock including up to 19,721 shares to be acquired upon determination and/or vesting of performance share units and restricted share units and 57,593 shares of our common stock to be acquired upon exercise of stock options. Transactions under Mr. Butcher’s plan are based upon pre-established dates and stock price thresholds and will only occur upon the expiration of the applicable mandatory cooling-off period. Mr. Butcher’s plan will terminate on the earlier of February 1, 2027, or the date all shares subject to the plan have been sold. | |||||
| Jeffrey B. Mirviss Senior Vice President and President, Peripheral Interventions |
Adopted 10b5-1 plan | Aug 28, 2025 | up to 32,938 | Feb 27, 2026 | 10-Q Nov 3, 2025 |
What the company wroteOn August 28, 2025, Jeffrey B. Mirviss, our Senior Vice President and President, Peripheral Interventions, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Mr. Mirviss’ plan covers the sale of up to 86,510 shares of our common stock including up to 53,572 shares to be acquired upon determination and/or vesting of performance share units and restricted share units and 32,938 shares of our common stock to be acquired upon exercise of stock options. Transactions under Mr. Mirviss’ plan are based upon pre-established dates and stock price thresholds and will only occur upon the expiration of the applicable mandatory cooling-off period. Mr. Mirviss’ plan will terminate on the earlier of February 27, 2026 or the date all shares subject to the plan have been sold. | |||||
| Ellen M. Zane independent member of our Board of Directors |
Adopted 10b5-1 plan | Jul 25, 2025 | up to 12,891 | Oct 23, 2026 | 10-Q Nov 3, 2025 |
What the company wroteOn July 25, 2025, Ellen M. Zane, an independent member of our Board of Directors, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Ms. Zane’s plan covers the sale of 12,891 shares of our common stock. Transactions under Ms. Zane’s plan are based upon pre-established dates and stock price thresholds and will only occur upon the expiration of the applicable mandatory cooling-off period. Ms. Zane’s plan will terminate on the earlier of October 23, 2026 or the date all shares subject to the plan have been sold. | |||||
| Emily M. Woodworth Senior Vice President, Global Controller and Chief Accounting Officer |
Adopted 10b5-1 plan | Nov 29, 2024 | up to 13,167 | Aug 29, 2025 | 10-K Feb 18, 2025 |
What the company wroteOn November 29, 2024, Emily M. Woodworth, our Senior Vice President, Global Controller and Chief Accounting Officer, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Ms. Woodworth’s plan covers the sale of up to 18,973 shares of our common stock, including up to 3,281 shares to be acquired upon vesting of restricted share units and 13,167 shares to be acquired upon the exercise of stock options. Transactions under Ms. Woodworth’s plan are based upon pre-established dates and stock price thresholds and will only occur upon the expiration of the applicable mandatory cooling-off period. Ms. Woodworth’s plan will terminate on the earlier of August 29, 2025 or the date all shares subject to the plan have been sold. | |||||
| Jeffrey B. Mirviss Senior Vice President and President, Peripheral Interventions |
Adopted 10b5-1 plan | Nov 21, 2024 | up to 8,419 | May 21, 2025 | 10-K Feb 18, 2025 |
What the company wroteOn November 21, 2024, Jeffrey B. Mirviss, our Senior Vice President and President, Peripheral Interventions, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Mr. Mirviss’ plan covers the sale of up to 11,107 shares of our common stock, including up to 8,419 shares to be acquired upon vesting of restricted share units. Transactions under Mr. Mirviss’ plan are based upon pre-established dates and stock price thresholds and will only occur upon the expiration of the applicable mandatory cooling-off period. Mr. Mirviss’ plan will terminate on the earlier of May 21, 2025 or the date all shares subject to the plan have been sold. | |||||
| Vance R. Brown Senior Vice President, General Counsel and Corporate Secretary |
Adopted 10b5-1 plan | Nov 21, 2024 | up to 19,304 | May 30, 2025 | 10-K Feb 18, 2025 |
What the company wroteOn November 21, 2024, Vance R. Brown, our Senior Vice President, General Counsel and Corporate Secretary, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Mr. Brown’s plan covers the sale of 19,304 shares of our common stock. Transactions under Mr. Brown’s plan are based upon pre-established dates and stock price thresholds and will only occur upon the expiration of the applicable mandatory cooling-off period. Mr. Brown’s plan will terminate on the earlier of May 30, 2025 or the date all shares subject to the plan have been sold. | |||||
| Ellen Zane independent member of our Board of Directors |
Adopted 10b5-1 plan | Nov 14, 2024 | up to 13,586 | Feb 24, 2026 | 10-K Feb 18, 2025 |
What the company wroteOn November 14, 2024, Ellen Zane, an independent member of our Board of Directors, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Ms. Zane’s plan covers the sale of 13,586 shares of our common stock. Transactions under Ms. Zane’s plan are based upon pre-established dates and stock price thresholds and will only occur upon the expiration of the applicable mandatory cooling-off period. Ms. Zane’s plan will terminate on the earlier of February 24, 2026 or the date all shares subject to the plan have been sold. | |||||
| Mr. Fitzgerald Executive Vice President and Group President, Cardiology |
Ended 10b5-1 plan | Oct 25, 2024 | up to 306,372 | Dec 31, 2025 | 10-Q May 1, 2025 |
| Daniel J. Brennan Executive Vice President and Chief Financial Officer |
Adopted 10b5-1 plan | Aug 26, 2024 | up to 75,610 | 280 days | 10-Q Nov 1, 2024 |
What the company wroteOn August 26, 2024, Daniel J. Brennan, our Executive Vice President and Chief Financial Officer, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Mr. Brennan’s plan covers the sale of up to 120,672 shares of our common stock including up to 45,062 shares to be acquired upon determination and/or vesting of performance share units and restricted share units and 75,610 shares to be acquired upon exercise of stock options. Transactions under Mr. Brennan’s plan are based upon pre-established dates and stock price thresholds and will only occur upon the expiration of the applicable mandatory cooling-off period. Mr. Brennan’s plan will terminate on the earlier of June 2, 2025, or the date all shares subject to the plan have been sold. | |||||
| Arthur C. Butcher Executive Vice President and Group President, MedSurg and Asia Pacific |
Adopted 10b5-1 plan | Aug 9, 2024 | up to 69,253 | 539 days | 10-Q Nov 1, 2024 |
What the company wroteOn August 9, 2024, Arthur C. Butcher, our Executive Vice President and Group President, MedSurg and Asia Pacific, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Mr. Butcher’s plan covers the sale of 69,253 shares of our common stock to be acquired upon exercise of stock options. Transactions under Mr. Butcher’s plan are based upon pre-established dates and stock price thresholds and will only occur upon the expiration of the applicable mandatory cooling-off period. Mr. Butcher’s plan will terminate on the earlier of January 30, 2026, or the date all shares subject to the plan have been sold. | |||||
| John B. "Brad" Sorenson Executive Vice President, Global Operations |
Adopted 10b5-1 plan | Aug 9, 2024 | up to 17,362 | 280 days | 10-Q Nov 1, 2024 |
What the company wroteOn August 9, 2024, John B. "Brad" Sorenson, our Executive Vice President, Global Operations, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Mr. Sorenson’s plan covers the sale of up to 67,198 shares of our common stock including up to 20,383 shares to be acquired upon determination and/or vesting of performance share units and restricted share units and 17,362 shares to be acquired upon exercise of stock options. Transactions under Mr. Sorenson’s plan are based upon pre-established dates and stock price thresholds and will only occur upon the expiration of the applicable mandatory cooling-off period. Mr. Sorenson’s plan will terminate on the earlier of May 16, 2025, or the date all shares subject to the plan have been sold. | |||||
| Joseph M. Fitzgerald Executive Vice President and Group President |
Adopted 10b5-1 plan | May 23, 2024 | up to 492,532 | – | 10-Q Aug 1, 2024 |
| Jeffrey B. Mirviss Senior Vice President and President, Peripheral Interventions |
Adopted 10b5-1 plan | Feb 28, 2024 | up to 33,726 | 359 days | 10-Q May 1, 2024 |
What the company wroteOn February 28, 2024, Jeffrey B. Mirviss, our Senior Vice President and President, Peripheral Interventions, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Mr. Mirviss’ plan covers the sale of up to 88,888 shares of our common stock, including up to 25,086 shares to be acquired upon determination and/or vesting of performance share units and restricted share units and 33,726 shares to be acquired upon exercise of stock options. Transactions under Mr. Mirviss’ plan are based upon pre-established dates and stock price thresholds and will only occur upon the expiration of the applicable mandatory cooling-off period. Mr. Mirviss’ plan will terminate on the earlier of February 21, 2025, or the date all shares subject to the plan have been sold. | |||||
| Michael F. Mahoney Chairman and Chief Executive Officer |
Adopted 10b5-1 plan | Feb 28, 2024 | up to 335,659 | 254 days | 10-Q May 1, 2024 |
What the company wroteOn February 28, 2024, Michael F. Mahoney, our Chairman and Chief Executive Officer, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Mr. Mahoney’s plan covers the sale of 488,332 shares of our common stock, including 335,659 shares to be acquired upon exercise of stock options. Transactions under Mr. Mahoney’s plan are based upon pre-established dates and stock price thresholds and will only occur upon the expiration of the applicable mandatory cooling-off period. Mr. Mahoney’s plan will terminate on the earlier of November 8, 2024, or the date all shares subject to the plan have been sold. | |||||
| Jonathan Monson prior Senior Vice President, Global Controller and Chief Accounting Officer |
Adopted 10b5-1 plan | Feb 26, 2024 | up to 10,000 | 341 days | 10-Q May 1, 2024 |
What the company wroteOn February 26, 2024, Jonathan Monson, our prior Senior Vice President, Global Controller and Chief Accounting Officer until March 1, 2024, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Mr. Monson’s plan covers the sale of 16,082 shares of our common stock, including 10,000 shares to be acquired upon exercise of stock options. Transactions under Mr. Monson’s plan are based upon pre-established dates and stock price thresholds and will only occur upon the expiration of the applicable mandatory cooling-off period. Mr. Monson’s plan will terminate on the earlier of February 1, 2025, or the date all shares subject to the plan have been sold. | |||||
| Daniel Brennan Executive Vice President and Chief Financial Officer |
Adopted 10b5-1 plan | Feb 21, 2024 | up to 64,454 | 314 days | 10-Q May 1, 2024 |
What the company wroteOn February 21, 2024, Daniel Brennan, our Executive Vice President and Chief Financial Officer, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Mr. Brennan’s plan covers the sale of 112,075 shares of our common stock, including 64,454 shares to be acquired upon exercise of stock options. Transactions under Mr. Brennan’s plan are based upon pre-established dates and stock price thresholds and will only occur upon the expiration of the applicable mandatory cooling-off period. Mr. Brennan’s plan will terminate on the earlier of December 31, 2024, or the date all shares subject to the plan have been sold. | |||||
| Vance R. Brown Senior Vice President, General Counsel and Corporate Secretary |
Adopted 10b5-1 plan | Feb 20, 2024 | up to 33,043 | 315 days | 10-Q May 1, 2024 |
What the company wroteOn February 20, 2024, Vance R. Brown, our Senior Vice President, General Counsel and Corporate Secretary entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Mr. Brown’s plan covers the sale of 33,043 shares to be acquired upon exercise of stock options. Transactions under Mr. Brown’s plan are based upon pre-established dates and stock price thresholds and will only occur upon the expiration of the applicable mandatory cooling-off period. Mr. Brown’s plan will terminate on the earlier of December 31, 2024, or the date all shares subject to the plan have been sold. | |||||
| Arthur Butcher Executive Vice President and Group President, MedSurg and Asia Pacific |
Adopted 10b5-1 plan | Nov 22, 2023 | up to 16,742 | 436 days | 10-K Feb 20, 2024 |
What the company wroteOn November 22, 2023, Arthur Butcher, our Executive Vice President and Group President, MedSurg and Asia Pacific, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Mr. Butcher’s plan covers the sale of up to 77,687 shares of our common stock, including up to 54,514 shares to be acquired upon determination and/or vesting of performance share units and restricted share units, and 16,742 shares to be acquired upon the exercise of stock options. Transactions under Mr. Butcher’s plan are based upon pre-established dates and stock price thresholds and will only occur upon the expiration of the applicable mandatory cooling-off period. Mr. Butcher’s plan will terminate on the earlier of January 31, 2025 or the date all shares subject to the plan have been sold. | |||||
| Wendy Carruthers Executive Vice President, Human Resources |
Adopted 10b5-1 plan | Nov 17, 2023 | up to 46,893 | 421 days | 10-K Feb 20, 2024 |
What the company wroteOn November 17, 2023, Wendy Carruthers, our Executive Vice President, Human Resources, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Ms. Carruthers’ plan covers the sale of 76,113 shares of our common stock, including 46,893 shares to be acquired upon the exercise of stock options. Transactions under Ms. Carruthers’ plan are based upon pre-established dates and stock price thresholds and will only occur upon the expiration of the applicable mandatory cooling-off period. Ms. Carruthers’ plan will terminate on the earlier of December 31, 2024 or the date all shares subject to the plan have been sold. | |||||
| John Bradley Sorenson Executive Vice President, Global Operations |
Adopted 10b5-1 plan | Nov 6, 2023 | up to 33,938 | 421 days | 10-K Feb 20, 2024 |
What the company wroteOn November 6, 2023, John Bradley Sorenson, our Executive Vice President, Global Operations, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Mr. Sorenson’s plan covers the sale of 33,938 shares of our common stock to be acquired upon the exercise of stock options. Transactions under Mr. Sorenson’s plan are based upon pre-established dates and stock price thresholds and will only occur upon the expiration of the applicable mandatory cooling-off period. Mr. Sorenson’s plan will terminate on the earlier of December 31, 2024 or the date all shares subject to the plan have been sold. | |||||
| Vance R. Brown Senior Vice President, General Counsel and Corporate Secretary |
Adopted 10b5-1 plan | May 26, 2023 | up to 15,750 | 126 days | 10-Q Aug 3, 2023 |
What the company wroteOn May 26, 2023, Vance R. Brown, our Senior Vice President, General Counsel and Corporate Secretary, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Mr. Brown’s plan covers the sale of 15,750 shares of our common stock between August 25, 2023 and December 29, 2023. Transactions under the plan are based upon pre-established dates and stock price thresholds. | |||||
| Jeffrey B. Mirviss Senior Vice President and President, Peripheral Interventions |
Adopted 10b5-1 plan | May 25, 2023 | up to 105,490 | 218 days | 10-Q Aug 3, 2023 |
What the company wroteOn May 25, 2023, Jeffrey B. Mirviss, our Senior Vice President and President, Peripheral Interventions, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Mr. Mirviss’ plan covers the sale of up 105,490 shares of our common stock, including up to 56,690 shares to be acquired upon determination and/or vesting of performance share units and restricted share units and 30,172 shares to be acquired upon exercise of stock options, between August 24, 2023 and March 29, 2024. Transactions under the plan are based upon pre-established dates and stock price thresholds. | |||||
| Charles Dockendorff independent member of our Board of Directors |
Adopted plan | May 19, 2023 | up to 21,025 | 287 days | 10-Q Aug 3, 2023 |
What the company wroteOn May 19, 2023, Charles Dockendorff, an independent member of our Board of Directors, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Mr. Dockendorff’s plan covers the sale of 21,025 shares of our common stock between August 18, 2023 and May 31, 2024. Transactions under the plan are based upon pre-established dates and stock price thresholds. | |||||
| Michael F. Mahoney Chairman and Chief Executive Officer |
Adopted 10b5-1 plan | – | up to 316,856 | Jun 6, 2025 | 10-K Feb 18, 2025 |
What the company wroteOn November 15, 2024, Michael F. Mahoney, our Chairman and Chief Executive Officer, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Mr. Mahoney’s plan covers the sale of 493,328 shares of our common stock, including 316,856 shares to be acquired upon exercise of stock options. Transactions under Mr. Mahoney’s plan are based upon pre-established dates and stock price thresholds and will only occur upon the expiration of the applicable mandatory cooling-off period. Mr. Mahoney’s plan will terminate on the earlier of June 6, 2025, or the date all shares subject to the plan have been sold. | |||||
Show the other 20 plans
From the XBRL of the company's 10-Qs and 10-Ks (Regulation S-K Item 408, reported since 2023): 16 filings checked since May 4, 2023.
Form 144
Notices of planned sales
| Filed | Seller | Shares | Value | Shares came from | 10b5-1 plan | Form 4 sales after |
|---|---|---|---|---|---|---|
| Feb 2, 2026 | MICHAEL F MAHONEY Officer, Director |
160,901 | $15.0M | Performance Shares; Restricted Stock; Stock Option Exercise | adopted Aug 29, 2025 | none found |
| Dec 1, 2025 | ARTHUR C BUTCHER Officer |
17,313 | $1.8M | Stock Option Exercise | adopted Aug 9, 2024 | none found |
| Nov 6, 2025 | Zane Ellen M Director |
2,901 | $284K | stock grant | adopted Jul 25, 2025 | none found |
| Nov 3, 2025 | JOSEPH M FITZGERALD Officer |
50,000 | $5.0M | Stock Option Exercise | adopted Feb 27, 2025 | none found |
| Oct 28, 2025 | Zane Ellen M Director |
2,901 | $297K | Stock Grant | adopted Jul 25, 2025 | none found |
| Oct 27, 2025 | Zane Ellen M Director |
9,990 | $1.0M | Stock Grant | adopted Jul 25, 2025 | none found |
From the Form 144 XML filed with the SEC, since Oct 27, 2025. The value is the seller's estimate on the notice. "Form 4 sales after" matches the seller's Form 4 sales in the 30 days after the notice, by name; Form 4s go back 180 days.