# EDGAR Filing Document

**Accession Number:** 0001104506
**File Stem:** 0001104506-26-000023
**Filing Date:** 2026-4
**Character Count:** 2126
**Document Hash:** 92d881473cce22a05fea27cb01982fc5
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104506-26-000023.hdr.sgml**: 20260401

**ACCESSION NUMBER**: 0001104506-26-000023

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260401

**DATE AS OF CHANGE**: 20260401

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** INSMED Inc
- **CENTRAL INDEX KEY:** 0001104506
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 541972729
- **STATE OF INCORPORATION:** VA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-30739
- **FILM NUMBER:** 26828062

**BUSINESS ADDRESS:**
- **STREET 1:** 700 US HIGHWAY 202/206
- **CITY:** BRIDGEWATER
- **STATE:** NJ
- **ZIP:** 08807
- **BUSINESS PHONE:** 908-977-9900

**MAIL ADDRESS:**
- **STREET 1:** 700 US HIGHWAY 202/206
- **CITY:** BRIDGEWATER
- **STATE:** NJ
- **ZIP:** 08807

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** INSMED INC
- **DATE OF NAME CHANGE:** 20000128

<br> <br>

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**WASHINGTON, D.C. 20549** 

**Schedule 14A**

**PROXY STATEMENT PURSUANT TO SECTION 14(A) OF** 

**THE SECURITIES EXCHANGE ACT OF 1934** 

**(AMENDMENT NO.)** 

Filed by the Registrant ⌧

Filed by a Party other than the Registrant □

Check the appropriate box:

□ Preliminary Proxy Statement

□ **Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))**

□ Definitive Proxy Statement

⌧ Definitive Additional Materials

□ Soliciting Material under §240.14a-12

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| |
|:---|
| **INSMED INCORPORATED**  |
| (Name of Registrant as Specified In Its Charter)  |
| (Name of Person(s) Filing Proxy Statement, if other than the Registrant) |

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Payment of Filing Fee (Check all boxes that apply):

⌧ No fee required.

□ Fee paid previously with preliminary materials.

□ Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

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