# EDGAR Filing Document

**Accession Number:** 0001321732
**File Stem:** 0000947871-26-000040
**Filing Date:** 2026-1
**Character Count:** 2839
**Document Hash:** 5f4542e31bbfc40d3523a62a40c66295
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000947871-26-000040.hdr.sgml**: 20260115

**ACCESSION NUMBER**: 0000947871-26-000040

**CONFORMED SUBMISSION TYPE**: 425

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260115

**DATE AS OF CHANGE**: 20260115

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Penumbra Inc
- **CENTRAL INDEX KEY:** 0001321732
- **STANDARD INDUSTRIAL CLASSIFICATION:** SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 425
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-37557
- **FILM NUMBER:** 26537065

**BUSINESS ADDRESS:**
- **STREET 1:** ONE PENUMBRA PLACE
- **CITY:** ALAMEDA
- **STATE:** CA
- **ZIP:** 94502
- **BUSINESS PHONE:** (510) 995-2486

**MAIL ADDRESS:**
- **STREET 1:** ONE PENUMBRA PLACE
- **CITY:** ALAMEDA
- **STATE:** CA
- **ZIP:** 94502
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** BOSTON SCIENTIFIC CORP
- **CENTRAL INDEX KEY:** 0000885725
- **STANDARD INDUSTRIAL CLASSIFICATION:** SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 042695240
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 425

**BUSINESS ADDRESS:**
- **STREET 1:** 300 BOSTON SCIENTIFIC WAY
- **CITY:** MARLBOROUGH
- **STATE:** MA
- **ZIP:** 01752-1234
- **BUSINESS PHONE:** 508-683-4000

**MAIL ADDRESS:**
- **STREET 1:** 300 BOSTON SCIENTIFIC WAY
- **CITY:** MARLBOROUGH
- **STATE:** MA
- **ZIP:** 01752-1234

Filed by Boston Scientific Corporation

Pursuant to Rule 425 under the Securities Act of 1933

Deemed filed pursuant to 14a-12 under the Securities Exchange Act of 1934

Subject Company: Penumbra, Inc.

Commission File No.: 001-37557

Date: January 15, 2026

On January 15, 2026, Boston Scientific Corporation made the below communication on its LinkedIn account:

![](image_001.jpg)

Today we announced a definitive agreement to acquire Penumbra, Inc. a leading innovator in mechanical thrombectomy and neurovascular therapies. Penumbra's comprehensive portfolio includes differentiated devices to treat conditions such as pulmonary embolism, stroke, deep vein thrombosis, acute limb ischemia. heart attack and aneurysms. "Penumbra is a well-established company with an experienced, high-performing team and this acquisition offers Boston Scientific an opportunity to enter new, fast-growing segments within the vascular space," said Mike Mahoney, chairman and chief executive officer, Boston Scientific. "I'm thrilled to combine the talents and shared values of our teams and expand access for these novel technologies to more patients and customers around the world."