Company: NYXH
Filing Date: 2025-09-23
Form Type: 6-K
Source: 0001104659-25-092526
Chunk: 3

Company: Nyxoah SA
Filing Date: 2025-09-23
Form: 6-K
Chunk 3
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 of forward-looking statements
should not be regarded as a representation by the Company that any of these results will be achieved. Actual results may differ from
those set forth in this report due to the risks and uncertainties associated with market conditions and the satisfaction of
customary closing conditions related to the offering, as well as risks and uncertainties inherent in the Company’s business,
including those described in the Company’s other filings with the Commission. You are cautioned not to place undue reliance on
these forward-looking statements, which speak only as of the date hereof, and the Company undertakes no obligation to revise or
update this report to reflect events or circumstances after the date hereof. All forward-looking statements are qualified in their
entirety by this cautionary statement. This caution is made under the safe harbor provisions of Section 21E of the Private
Securities Litigation Reform Act of 1995.

Exhibits

| 1.1  | Underwriting                                                                                                                           
 Agreement, dated September 18, 2025, by and between the Company and Morgan Stanley & Co. LLC, Stifel, Nicolaus & Company, Incorporated 
 and Cantor Fitzgerald & Co., as representatives of the several underwriters named therein.                                             |
|:-----|:---------------------------------------------------------------------------------------------------------------------------------------|
| 5.1  | Opinion of NautaDutilh                                                                                                                 
 BV/SRL                                                                                                                                 |
| 23.1 | Consent of NautaDutilh                                                                                                                 
 BV/SRL (contained in exhibit 5.1)                                                                                                      |
| 99.1 | Press                                                                                                                                  
 Release, dated September 18, 2025                                                                                                      |
| 99.2 | Press Release, dated September 18, 2025                                                                                                |

<div align='center'>SIGNATURES</div>

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, thereunto duly authorized.

| Date: September 18, 2025 | NYXOAH SA 
 By:       | /s/ John Landry         |
|:-------------------------|:----------|:------------------------|
|                          | Name:     | John Landry             |
|                          | Title:    | Chief Financial Officer |