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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Name of Issuer)

(Title of Class of Securities)

(CUSIP Number)

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13D/A 0001870044 XXXXXXXX LIVE 4 Ordinary Shares 11/20/2025 false 0001857190 B6S7WD106 Nyxoah SA Rue Edouard Belin 12 Mont-Saint-Guibert C9 1435 Rob McGrory, General Counsel 61-2-9425-5239 Cochlear Limited 1 University Ave., Macquarie University New South Wales C3 2109 Y Cochlear Investments Pty Ltd AF N C3 0.00 5847283.00 0.00 5847283.00 5847283.00 N 13.59 CO 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. 0001870044 N Cochlear Ltd WC N C3 0.00 5847283.00 0.00 5847283.00 5847283.00 N 13.59 CO Based on 43,026,460 Ordinary Shares of the Issuer outstanding, as stated in the Issuer's press release issued on November 20, 2025. Ordinary Shares Nyxoah SA Rue Edouard Belin 12 Mont-Saint-Guibert C9 1435 As of the date hereof, Cochlear Investments directly owns 5,847,283 Ordinary Shares, representing 13.59% of the outstanding Ordinary Shares. 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. 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. Cochlear Investments Pty Ltd /s/ Kristy Jo Kristy Jo/Company Secretary 11/24/2025 Cochlear Ltd /s/ Rob McGrory Rob McGrory/Company Secretary 11/24/2025