# EDGAR Filing Document

**Accession Number:** 0001609550
**File Stem:** 0001140361-26-010491
**Filing Date:** 2026-3
**Character Count:** 2793
**Document Hash:** 9b9293d286a3234cb77e5221390395c9
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-26-010491.hdr.sgml**: 20260320

**ACCESSION NUMBER**: 0001140361-26-010491

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260320

**DATE AS OF CHANGE**: 20260320

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Inspire Medical Systems, Inc.
- **CENTRAL INDEX KEY:** 0001609550
- **STANDARD INDUSTRIAL CLASSIFICATION:** SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 261377674
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38468
- **FILM NUMBER:** 26776125

**BUSINESS ADDRESS:**
- **STREET 1:** 5500 WAYZATA BLVD
- **STREET 2:** SUITE 1600
- **CITY:** GOLDEN VALLEY
- **STATE:** MN
- **ZIP:** 55416
- **BUSINESS PHONE:** 763-957-5037

**MAIL ADDRESS:**
- **STREET 1:** 5500 WAYZATA BLVD
- **STREET 2:** SUITE 1600
- **CITY:** GOLDEN VALLEY
- **STATE:** MN
- **ZIP:** 55416

### UNITED STATES <br>

### SECURITIES AND EXCHANGE COMMISSION <br>

#### Washington, D.C. 20549

### SCHEDULE 14A <br>

#### (RULE 14a-101)

#### INFORMATION REQUIRED IN PROXY STATEMENT <br>

#### SCHEDULE 14A INFORMATION <br>

#### Proxy Statement Pursuant to Section 14(a) of the <br>

#### Securities Exchange Act of 1934 (Amendment No.)
<br> Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ <br>

---

| | |
|:---|:---|
|  Check the appropriate box: | Check the appropriate box: |
|  ☐ | Preliminary Proxy Statement  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ☐ | **Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))**  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ☐ | Definitive Proxy Statement  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ☒ | Definitive Additional Materials  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ☐ | Soliciting Material Pursuant to § 240.14a-12 |

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## Inspire Medical Systems, Inc. <br>

#### (Name of Registrant as Specified in its Charter) <br>

#### (Name of Person(s) Filing Proxy Statement, if other than the Registrant)

---

| | |
|:---|:---|
|  Payment of Filing Fee (Check the appropriate box): | Payment of Filing Fee (Check the appropriate box): |
|  ☒ | No fee required.  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ☐ | Fee paid previously with preliminary materials.  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ☐ | 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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