# EDGAR Filing Document

**Accession Number:** 0001104506
**File Stem:** 0001140361-26-021648
**Filing Date:** 2026-5
**Character Count:** 5716
**Document Hash:** 454d92f0ad3c344d6e7800b3b0be87be
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-26-021648.hdr.sgml**: 20260515

**ACCESSION NUMBER**: 0001140361-26-021648

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 11

**CONFORMED PERIOD OF REPORT**: 20260513

**ITEM INFORMATION**: Submission of Matters to a Vote of Security Holders

**FILED AS OF DATE**: 20260515

**DATE AS OF CHANGE**: 20260515

**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:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-30739
- **FILM NUMBER:** 26986690

**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

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### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

### FORM 8-K

#### CURRENT REPORT

#### Pursuant to Section 13 or 15(d) of

#### The Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): May 13, 2026

## INSMED INCORPORATED
*(Exact name of registrant as specified in its charter)*

---

| | | |
|:---|:---|:---|
| **Virginia**<br>| **000-30739**<br>| **54-1972729**<br>|
| *(State or other jurisdiction of incorporation)* | *(Commission File Number)* | *(IRS Employer Identification No.)* |

---

---

| | |
|:---|:---|
| **700 US Highway 202/206**<br>**Bridgewater, New Jersey** | **08807**<br>*(Zip Code)* |
| *(Address of principal executive offices)* |  |

---

Registrant's telephone number, including area code: **(908) 977-9900**

#### Not Applicable
*(Former name or former address, if changed since last report.)*

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

---

| | | |
|:---|:---|:---|
| **Title of each class** | **Trading Symbol(s)** | **Name of each exchange on which registered** |
| Common Stock, par value $0.01 per share<br>| INSM | Nasdaq Global Select Market<br>|

---

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR 230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR 240.12b-2).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

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#### ITEM 5.07 – Submission of Matters to a Vote of Security Holders.
The annual meeting of shareholders of Insmed Incorporated (the "Company") was held on May 13, 2026 (the "Annual Meeting"). Set forth below are the voting results for each of the proposals submitted to a vote of the Company's shareholders at the Annual Meeting:

---

| | |
|:---|:---|
| **Proposal 1.** | **Election of Two Class II Directors.** |

---

By the following votes, shareholders elected Elizabeth McKee Anderson and Clarissa Desjardins, Ph.D., to serve as Class II directors until the Company's 2029 Annual Meeting of Shareholders:

---

| | | | |
|:---|:---|:---|:---|
|  | **For** | **Withheld** | **Broker Non-Votes** |
| Elizabeth McKee Anderson | 153,734,471 | 32,130,980 | 11,564,082 |
| Clarissa Desjardins, Ph.D. | 164,437,828 | 21,427,623 | 11,564,082 |

---

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| | |
|:---|:---|
| **Proposal 2.** | **Advisory Vote on the 2025 Compensation of Named Executive Officers.** |

---

By the following vote, shareholders approved, on an advisory, non-binding basis, the 2025 compensation of our named executive officers, as disclosed in the Proxy Statement:

---

| | | | |
|:---|:---|:---|:---|
| **For** | **Against** | **Abstentions** | **Broker Non-Votes** |
| 162,133,728 | 23,657,325 | 74,398 | 11,564,082 |

---

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| | |
|:---|:---|
| **Proposal 3.** | **Ratification of the Appointment of an Independent Registered Public Accounting Firm.** |

---

By the following vote, shareholders ratified the appointment of Ernst & Young LLP as the Company's independent registered public accounting firm for the year ending December 31, 2026:

---

| | | |
|:---|:---|:---|
| **For** | **Against** | **Abstentions** |
| 190,386,612 | 6,997,613 | 45,308 |

---

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#### SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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| | | |
|:---|:---|:---|
| Dated: May 15, 2026 | INSMED INCORPORATED | INSMED INCORPORATED |
|  | By: | /s/ Michael A. Smith |
|  | Name: | Michael A. Smith |
|  | Title: | Chief Legal Officer and Secretary |

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