Company: BSX
Filing Date: 2025-06-18
Form Type: 11-K
Source: 0000885725-25-000035
Chunk: 10

Company: BOSTON SCIENTIFIC CORP
Filing Date: 2025-06-18
Form: 11-K
Chunk 10
---
 |       297,784 |
| *Boston Scientific Corporation Common Stock Fund Shares                                |     | Common Stock            |     |   9,579,845 |                 |     |   |               |   539,632,653 |
| *Notes receivable from Participants, interest rates                       4.25% - 9.5% |     |                         |     |             |                 |     |   |               |    35,464,729 |
|                                                                                        |     |                         |     |             |                 |     | $ | 6,775,059,207 |               |

* Indicates party-in-interest to the Plan.

Note: Cost information is not presented, because all investments are Participant-directed.

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### SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the trustee (or other persons who administer the employee benefit plan) has duly caused this Annual Report to be signed on its behalf by the undersigned thereunto duly authorized on June 18, 2025.

| BOSTON SCIENTIFIC CORPORATION  |     |                                               |
| 401(K) RETIREMENT SAVINGS PLAN |     |                                               |
| By:                            |     | /s/ Gail Beauregard                           |
|                                |     | Name: Gail Beauregard                         |
|                                |     | Title:   Vice President, Global Total Rewards |
|                                |     | Member, Employee Benefits Committee           |

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### EXHIBIT INDEX
| Exhibit Number |     | Description                                              |
| 23             |     | Consent of Independent Registered Public Accounting Firm |

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