Insider filing report for Changes in Beneficial Ownership
- Schedule 13G & 13D forms are used to report a party's ownership of stock which exceeds 5% of a company's total stock issue.
- Schedule 13G is a shorter version of Schedule 13D with fewer reporting requirements.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
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- Peter Lynch
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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 |
SCHEDULE 13D
Under the Securities Exchange Act of 1934
(Amendment No. 4)*
|
Nyxoah SA (Name of Issuer) |
Ordinary Shares (Title of Class of Securities) |
B6S7WD106 (CUSIP Number) |
Rob McGrory, General Counsel Cochlear Limited, 1 University Ave., Macquarie University New South Wales, C3, 2109 61-2-9425-5239 (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) |
11/20/2025 (Date of Event Which Requires Filing of This Statement) |
If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.


The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the
Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other
provisions of the Act (however, see the Notes).
SCHEDULE 13D
|
| CUSIP No. | B6S7WD106 |
| 1 |
Name of reporting person
Cochlear Investments Pty Ltd | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
AF | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
AUSTRALIA
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
5,847,283.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
13.59 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
CO |
Comment for Type of Reporting Person:
Based on 43,026,460 ordinary shares ("Ordinary Shares") of Nyxoah S.A. (the "Issuer") outstanding, as stated in the Issuer's press release issued on November 20, 2025.
SCHEDULE 13D
|
| CUSIP No. | B6S7WD106 |
| 1 |
Name of reporting person
Cochlear Ltd | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
WC | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
AUSTRALIA
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
5,847,283.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
13.59 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
CO |
Comment for Type of Reporting Person:
Based on 43,026,460 Ordinary Shares of the Issuer outstanding, as stated in the Issuer's press release issued on November 20, 2025.
SCHEDULE 13D
|
| Item 1. | Security and Issuer |
| (a) | Title of Class of Securities:
Ordinary Shares |
| (b) | Name of Issuer:
Nyxoah SA |
| (c) | Address of Issuer's Principal Executive Offices:
Rue Edouard Belin 12, Mont-Saint-Guibert,
BELGIUM
, 1435. |
| Item 5. | Interest in Securities of the Issuer |
| (a) | As of the date hereof, Cochlear Investments directly owns 5,847,283 Ordinary Shares, representing 13.59% of the outstanding Ordinary Shares. |
| (b) | Cochlear Limited is the parent company of Cochlear Investments. As a result, Cochlear Limited may be deemed to indirectly beneficially own the Ordinary Shares directly held by Cochlear Investments. The percentage of outstanding Ordinary Shares that may be deemed to be beneficially owned by each Reporting Person is set forth on line 13 of the cover sheet hereof. Such percentage was calculated based on 43,026,460 Ordinary Shares outstanding, as stated in the Issuer's press release issued on November 20, 2025. The Reporting Persons do not have the right to acquire any additional Ordinary Shares. |
| (c) | The reported share amounts for the Reporting Persons reflect amounts as of the date hereof. Other than the purchase by Cochlear Investments Pty Limited of 215,964 Ordinary Shares pursuant to the Issuer's public offering of Ordinary Shares pursuant to the Issuer's prospectus supplement filed with the Securities and Exchange Commission on November 13, 2025, the Reporting Persons have not effected any transactions in the Ordinary Shares during the past 60 days. |
| SIGNATURE | |
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
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