Publication relating to transparency notifications
Rhea-AI Summary
Nyxoah (Nasdaq/Euronext: NYXH) published multiple transparency notifications on recent shareholding changes as required under Belgian law.
Notifications cover Robert Taub/Robelga (14.50% including warrants), Pierre‑Edouard Stérin/B.A.D. 21 (7.23%), Cochlear Limited (5.85%), Gilde Healthcare (below 3%), and Bank of America around the 3% threshold via voting rights and financial instruments.
AI-generated analysis. Not financial advice.
Positive
- None.
Negative
- None.
News Market Reaction – NYXH
On the day this news was published, NYXH declined 3.46%, reflecting a moderate negative market reaction. Argus tracked a peak move of +29.5% during that session. Argus tracked a trough of -12.7% from its starting point during tracking. Our momentum scanner triggered 17 alerts that day, indicating notable trading interest and price volatility. This price movement removed approximately $3M from the company's valuation, bringing the market cap to $74.01M at that time.
Data tracked by StockTitan Argus on the day of publication.
Key Figures
Peers on Argus
Peers show mixed moves: AVR +2.37%, OSUR +4.93%, while INFU -1.57%, KRMD -2.02%, STSS -7.07%, suggesting stock-specific factors for NYXH.
Historical Context
| Date | Event | Sentiment | Move | Catalyst |
|---|---|---|---|---|
| Jun 15 | Award recognition | Positive | +1.9% | Genio therapy won Prix Galien UK 2026 for Best Medical Technology. |
| Jun 10 | Share count update | Neutral | +13.7% | Updated voting rights after issuing 55,232,558 new shares in U.S. offering. |
| Jun 10 | Financing package | Positive | +13.7% | $110 million in aggregate financings to support U.S. Genio launch. |
| Jun 10 | Offering closing | Neutral | +13.7% | Closed $95 million underwritten offering at $1.72 per share for growth uses. |
| Jun 05 | Offering pricing | Negative | -49.6% | Priced $95 million equity offering at $1.72 with significant dilution. |
Recent news reactions generally align with the nature of financing and corporate announcements, with one sharply negative response to offering pricing.
Regulatory & Risk Context
Market Pulse Summary
This announcement details updated holdings for several major shareholders, highlighting concentrated stakes above 5% and active use of financial instruments. Recent financing and ownership changes frame governance and liquidity, while low reported short interest limits immediate pressure but not fundamental risks.
Key Terms
transparency notifications regulatory
equivalent financial instruments financial
passive crossing of a threshold regulatory
usufruct regulatory
swap financial
AI-generated analysis. Not financial advice.
REGULATED INFORMATION
Publication relating to transparency notifications
Mont-Saint-Guibert (Belgium), June 17, 2026, 10:30 pm CET / 4:30 pm ET – In accordance with article 14 of the Law of May 2, 2007 on the disclosure of large shareholdings, Nyxoah SA (Euronext Brussels/Nasdaq: NYXH) announces that it received transparency notifications as detailed below.
Robert Taub
On June 16, 2026, Nyxoah received a transparency notification from Robert Taub following an acquisition of voting securities by Robert Taub and Robelga SRL (an entity controlled by Robert Taub). Based on the notification, on June 10, 2026, Robert Taub (together with Robelga SRL) held 14,440,277 voting rights, representing
The notification dated June 16, 2026 contains the following information:
- Reason for the notification: acquisition or disposal of voting securities or voting rights
- Notification by: a parent undertaking or a controlling person
- Persons subject to the notification requirement:
- Robert Taub
- Robelga SRL (with address at Avenue des Croix de Guerre 149 / 13, 1120 Brussels)
- Date on which the threshold was crossed: June 10, 2026
- Threshold that is crossed:
10% - Denominator: 99,926,284
- Notified details:
| A) Voting rights | Previous notification | After the transaction | |||
| # of voting rights | # of voting rights | % of voting rights | |||
| Holders of voting rights | Linked to securities | Not linked to the securities | Linked to securities | Not linked to the securities | |
| Robert Taub | 2,712,510 | 6,766,564 | |||
| Robelga SRL | 1,598,290 | 7,673,713 | |||
| Subtotal | 4,310,800 | 14,440,277 | |||
| TOTAL | 14,440,277 | 0 | |||
| B) Equivalent financial instruments | After the transaction | |||||
| Holders of equivalent financial instruments | Type of financial instrument | Expiration date | Exercise period or date | # of voting rights that may be acquired if the instrument is exercised | % of voting rights | Settlement |
| Robert Taub | Warrants | 08/06/2027 | 25,000 | cash | ||
| Robert Taub | Warrants | 14/06/2028 | 25,000 | cash | ||
| TOTAL | 50,000 | |||||
| TOTAL (A & B) | # of voting rights | % of voting rights | ||||
| 14,490,277 | ||||||
- Full chain of controlled undertakings through which the holding is effectively held: Robelga SRL is
100% owned by BMI Estate (a partnership (société simple) without legal personality). Robert Taub has100% usufruct and Robert Taub’s children have100% bare ownership of BMI Estate.
Pierre-Edouard Stérin
On June 17, 2026, Nyxoah received a transparency notification from Pierre-Edouard Stérin following an acquisition of voting securities by B.A.D. 21 SRL (an entity controlled by Pierre-Edouard Stérin). Based on the notification, on June 10, 2026, Pierre-Edouard Stérin (taking into account the holdings of his affiliates) held 7,221,666 voting rights, representing
The notification dated June 17, 2026 contains the following information:
- Reason for the notification: acquisition or disposal of voting securities or voting rights
- Notification by: a parent undertaking or a controlling person
- Persons subject to the notification requirement:
- Pierre-Edouard Stérin
- Lemahieu Holding SRL (with address at Rue Haute 21, 1380 Lasne, Belgium)
- Graal Holding SRL (with address at Rue Haute 21, 1380 Lasne, Belgium)
- B.A.D. 21 SRL (with address at Rue Haute 21, 1380 Lasne, Belgium)
- Date on which the threshold was crossed: June 10, 2026
- Threshold that is crossed:
5% - Denominator: 99,926,284
- Notified details:
| A) Voting rights | Previous notification | After the transaction | |||
| # of voting rights | # of voting rights | % of voting rights | |||
| Holders of voting rights | Linked to securities | Not linked to the securities | Linked to securities | Not linked to the securities | |
| Pierre-Edouard Stérin | 0 | 0 | |||
| Lemahieu Holding SRL | 0 | 0 | |||
| Graal Holding SRL | 0 | 0 | |||
| B.A.D. 21 SRL | 7,221,666 | 0 | |||
| Subtotal | 7,221,666 | ||||
| TOTAL | 7,221,666 | 0 | |||
- Full chain of controlled undertakings through which the holding is effectively held: B.A.D. 21 SRL is controlled by Graal Holding SRL, which itself is controlled by Lemahieu Holding SRL, which is controlled by Mr. Pierre-Edouard Stérin.
Cochlear Limited
On June 16, 2026, Nyxoah received a transparency notification from Cochlear Limited following the passive crossing of a threshold by Cochlear Investments Pty Ltd (an entity controlled by Cochlear Limited). Based on the notification, on June 10, 2026, Cochlear Limited (taking into account the holding of its affiliate) held 5,847,283 voting rights, representing
The notification dated June 15, 2026 contains the following information:
- Reason for the notification: passive crossing of a threshold
- Notification by: a parent undertaking or a controlling person
- Persons subject to the notification requirement:
- Cochlear Limited (with address at 1 University Avenue, Macquarie University, NSW 2109, Australia)
- Cochlear Investments Pty Ltd (with address at 1 University Avenue, Macquarie University, NSW 2109, Australia)
- Date on which the threshold was crossed: June 10, 2026
- Threshold that is crossed:
10% - Denominator: 99,926,284
- Notified details:
| A) Voting rights | Previous notification | After the transaction | |||
| # of voting rights | # of voting rights | % of voting rights | |||
| Holders of voting rights | Linked to securities | Not linked to the securities | Linked to securities | Not linked to the securities | |
| Cochlear Limited | 0 | 0 | 0 | ||
| Cochlear Investments Pty Ltd | 5,631,319 | 5,847,283 | 0 | ||
| Subtotal | 5,631,319 | 5,847,283 | |||
| TOTAL | 5,847,283 | 0 | |||
- Full chain of controlled undertakings through which the holding is effectively held: Cochlear Investments Pty Ltd is a wholly owned subsidiary of Cochlear Limited, which is listed on the Australian Securities Exchange and has no controlling shareholder.
- Additional information: Cochlear Investments Pty Ltd acquired 215,964 ordinary shares in Nyxoah pursuant to a private placement completed on November 18, 2025, resulting in an increase of its shareholding to 5,847,283 ordinary shares which did not trigger any crossing of a threshold.
This notification concerns a downwards crossing of the
We understand the underwriters have been granted a 30-day option to subscribe for up to an additional 8,284,883 ordinary shares, which could further reduce Cochlear's holding to
Gilde Healthcare Holding B.V.
On June 16, 2026, Nyxoah received a transparency notification from Gilde Healthcare Holding B.V. following the passive downward crossing of the lowest threshold.
The notification dated June 15, 2026 contains the following information:
- Reasons for the notification:
- Passive crossing of a threshold
- Downward crossing of the lowest threshold
- Notification by: a parent undertaking or a controlling person
- Persons subject to the notification requirement:
- Gilde Healthcare Holding B.V. (with address at Stadsplateau 36, 3521 AZ Utrecht, the Netherlands)
- Gilde Healthcare III Management B.V. (with address at Stadsplateau 36, 3521 AZ Utrecht, the Netherlands)
- Date on which the threshold was crossed: June 10, 2026
- Threshold that is crossed:
3% - Denominator: 99,926,284
- Notified details:
| A) Voting rights | Previous notification | After the transaction | |||
| # of voting rights | # of voting rights | % of voting rights | |||
| Holders of voting rights | Linked to securities | Not linked to the securities | Linked to securities | Not linked to the securities | |
| Gilde Healthcare Holding B.V. | |||||
| Gilde Healthcare III Management B.V. | |||||
| TOTAL | |||||
- Full chain of controlled undertakings through which the holding is effectively held: Gilde Healthcare III Management B.V. is controlled by Gilde Healthcare Holding B.V. Gilde Healthcare Holding B.V. is not a controlled entity.
- Additional information: Cooperatieve Gilde Healthcare III Sub-Holding UA and Cooperatieve Gilde Healthcare III Sub-Holding 2 UA hold the shares in Nyxoah. Gilde Healthcare III Management B.V. is the management company of these two entities, that in the absence of specific instructions can exercise the voting rights at its discretion.
Bank of America Corporation
On June 15, 2026, Nyxoah received a transparency notification from Bank of America Corporation following an acquisition of voting securities and of financial instruments that are treated as voting securities by entities that are controlled by Bank of America Corporation. Based on the notification, on June 10, 2026, Bank of America Corporation (taking into account the holdings of its affiliates) held 449,288 voting rights, representing
The notification dated June 12, 2026 contains the following information:
- Reason for the notification:
- Acquisition or disposal of voting securities or voting rights
- Acquisition or disposal of financial instruments that are treated as voting securities
- Notification by: a parent undertaking or a controlling person
- Persons subject to the notification requirement:
- Bank of America Corporation (with address at 1209 Orange Street - Corporation Trust Center, Wilmington DE 19801, United States of America)
- Date on which the threshold was crossed: June 10, 2026
- Threshold that is crossed:
3% - Denominator: 99,926,284
- Notified details:
| A) Voting rights | Previous notification | After the transaction | |||
| # of voting rights | # of voting rights | % of voting rights | |||
| Holders of voting rights | Linked to securities | Not linked to the securities | Linked to securities | Not linked to the securities | |
| Bank of America Corporation | 0 | ||||
| Bank of America, National Association | 7,319 | ||||
| BofA Securities, Inc. | 393,157 | ||||
| Merrill Lynch International | 48,812 | ||||
| Subtotal | 449,288 | ||||
| TOTAL | 449,288 | 0 | |||
| B) Equivalent financial instruments | After the transaction | |||||
| Holders of equivalent financial instruments | Type of financial instrument | Expiration date | Exercise period or date | # of voting rights that may be acquired if the instrument is exercised | % of voting rights | Settlement |
| Merrill Lynch International | Right to recall | 15,001 | physical | |||
| Merrill Lynch International | Rights of use | 1 | physical | |||
| BofA Securities, Inc. | Rights of use | 1,873,387 | physical | |||
| BofA Securities, Inc. | Right to recall | 1,080,480 | physical | |||
| Bank of America, NA | Swap | 15/10/2027 | 991 | cash | ||
| Merrill Lynch International | Swap | 15/02/2028 | 519 | cash | ||
| Merrill Lynch International | Swap | 15/10/2027 | 991 | cash | ||
| TOTAL | 2,971,370 | |||||
| TOTAL (A & B) | # of voting rights | % of voting rights | ||||
| 3,420,658 | ||||||
- Full chain of controlled undertakings through which the holding is effectively held: Bank of America, National Association, BofA Securities, Inc. and Merrill Lynch International are controlled by Bank of America Corporation. Bank of America Corporation is not a controlled entity.
Bank of America Corporation
On June 15, 2026, Nyxoah received a transparency notification from Bank of America Corporation following the disposal of voting securities and of financial instruments that are treated as voting securities by entities that are controlled by Bank of America Corporation resulting in the downward crossing of the lowest threshold. Based on the notification, on June 10, 2026, Bank of America Corporation (taking into account the holdings of its affiliates) held 269,166 voting rights, representing
The notification dated June 15, 2026 contains the following information:
- Reason for the notification:
- Downward crossing of the lowest threshold
- Acquisition or disposal of voting securities or voting rights
- Acquisition or disposal of financial instruments that are treated as voting securities
- Notification by: a parent undertaking or a controlling person
- Persons subject to the notification requirement:
- Bank of America Corporation (with address at 1209 Orange Street - Corporation Trust Center, Wilmington DE 19801, United States of America)
- Date on which the threshold was crossed: June 11, 2026
- Threshold that is crossed:
3% - Denominator: 99,926,284
- Notified details:
| A) Voting rights | Previous notification | After the transaction | |||
| # of voting rights | # of voting rights | % of voting rights | |||
| Holders of voting rights | Linked to securities | Not linked to the securities | Linked to securities | Not linked to the securities | |
| Bank of America Corporation | 0 | 0 | |||
| Bank of America, National Association | 7,319 | 7,319 | |||
| BofA Securities, Inc. | 393,157 | 216,277 | |||
| Merrill Lynch International | 48,812 | 45,570 | |||
| Subtotal | 449,288 | 269,166 | |||
| TOTAL | 269,166 | 0 | |||
| B) Equivalent financial instruments | After the transaction | |||||
| Holders of equivalent financial instruments | Type of financial instrument | Expiration date | Exercise period or date | # of voting rights that may be acquired if the instrument is exercised | % of voting rights | Settlement |
| Merrill Lynch International | Right to recall | 15,000 | physical | |||
| BofA Securities, Inc. | Rights of use | 1,445,424 | physical | |||
| BofA Securities, Inc. | Right to recall | 1,088,536 | physical | |||
| Bank of America, NA | Swap | 15/10/2027 | 991 | cash | ||
| Merrill Lynch International | Swap | 15/02/2028 | 519 | cash | ||
| Merrill Lynch International | Swap | 15/10/2027 | 991 | cash | ||
| TOTAL | 2,551,461 | |||||
| TOTAL (A & B) | # of voting rights | % of voting rights | ||||
| 2,820,627 | ||||||
- Full chain of controlled undertakings through which the holding is effectively held: Bank of America, National Association, BofA Securities, Inc. and Merrill Lynch International are controlled by Bank of America Corporation. Bank of America Corporation is not a controlled entity.
*
* *
Contact:
Nyxoah
John Landry, CFO
IR@nyxoah.com
Attachment
