Publication relating to transparency notifications
Rhea-AI Summary
Nyxoah (NASDAQ/Euronext: NYXH) received two transparency notifications from Robert Taub and related BMI Estate disclosing changes in voting rights on November 27 and December 2, 2025.
As of November 20, 2025 the holding totaled 4,290,800 voting rights (9.97%). As of December 1, 2025 the holding rose to 4,360,800 voting rights (10.14%), consisting of 4,310,800 linked securities and 50,000 warrants. The notifications identify controlled undertakings including Robelga SRL and describe ownership chains.
Positive
- Stake increased to 10.14% of voting rights on Dec 1, 2025
- Total voting rights held: 4,360,800, including 4,310,800 linked securities
Negative
- Holder concentration rose above 10% threshold, increasing influence risk
- Equivalent instruments equal 50,000 warrants (0.12%), potential future dilution
News Market Reaction
On the day this news was published, NYXH declined 0.74%, reflecting a mild negative market reaction. Argus tracked a peak move of +3.2% during that session. Our momentum scanner triggered 4 alerts that day, indicating moderate trading interest and price volatility. This price movement removed approximately $2M from the company's valuation, bringing the market cap to $204M at that time.
Data tracked by StockTitan Argus on the day of publication.
Key Figures
Market Reality Check
Peers on Argus
Peers in Medical Instruments & Supplies showed mixed moves, from -2.05% (AVR) and -1.01% (KRMD) to gains like +1.98% (OSUR) and +6.98% (STSS), suggesting stock-specific rather than sector-driven dynamics for NYXH.
Historical Context
| Date | Event | Sentiment | Move | Catalyst |
|---|---|---|---|---|
| Dec 02 | Transparency notice | Neutral | -0.7% | Disclosure of major holder voting-rights position around the 10% threshold. |
| Nov 27 | Conference participation | Positive | +2.8% | Announcement of management fireside chat at a healthcare conference. |
| Nov 20 | Capital structure update | Neutral | +1.5% | Update on total number of shares and voting rights outstanding. |
| Nov 13 | Financing package | Negative | -9.8% | Announcement of equity and convertible bond financing commitments. |
| Nov 13 | Q3 2025 earnings | Negative | -9.8% | Quarterly results with operating loss and reduced cash balance. |
Across recent events, NYXH’s share price generally moved in line with the tone of news: financing and loss-making earnings saw larger declines, while neutral governance and conference updates saw modest moves.
This announcement details transparency notifications showing a major shareholder’s stake moving just above the 10% threshold, against a backdrop of recent capital-structure and financing activity. In mid-November 2025, Nyxoah reported Q3 2025 results with an operating loss €24.4M and then secured up to U.S. $77M in financing, which coincided with notable share-price declines. The company also updated total voting rights on November 20, 2025 and participated in an investor conference, both associated with relatively modest price reactions.
Market Pulse Summary
This announcement details two transparency notifications showing a major shareholder’s position moving from 9.97% to 10.14% of the company’s 43,026,460 voting rights, including 4,310,800 linked to securities and 50,000 via warrants. It follows recent updates on total voting rights, substantial financings, and loss-making Q3 2025 results. Investors tracking Nyxoah may monitor future changes in large shareholdings, further capital raises, and progress on commercialization relative to prior operating losses.
Key Terms
transparency notifications regulatory
voting rights regulatory
equivalent financial instruments financial
warrants financial
usufruct financial
AI-generated analysis. Not financial advice.
REGULATED INFORMATION
Publication relating to transparency notifications
Mont-Saint-Guibert (Belgium), December 2, 2025, 10:30 pm CET / 4:30 pm ET – In accordance with article 14 of the Act of 2 May 2007 on the disclosure of large shareholdings, Nyxoah SA (Euronext Brussels/Nasdaq: NYXH) announces that it received two transparency notifications as detailed below.
Robert Taub / BMI Estate
On November 27, 2025, Nyxoah received a transparency notification from Robert Taub and related person BMI Estate. Based on the notification, Robert Taub (together with his controlled undertakings) holds 4,290,800 voting rights, consisting of 4,240,800 voting rights linked to securities and 50,000 equivalent financial instruments, representing
The notification dated November 27, 2025 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:
- Robert Taub
- BMI Estate (with address at Avenue des Croix de Guerre 149 / 13, 1120 Brussels)
- Date on which the threshold was crossed: November 20, 2025
- Threshold that is crossed:
10% - Denominator: 43,026,460
- 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 | 2,121,470 | 2,712,510 | |||
| BMI Estate | 0 | 567,484 | |||
| Robelga SRL | 696,000 | 960,806 | 2, | ||
| Subtotal | 2,817,470 | 4,240,800 | |||
| TOTAL | 4,240,800 | 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 | ||||
| 4,290,800 | ||||||
- 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.
Robert Taub / BMI Estate
On December 2, 2025, Nyxoah received a transparency notification from Robert Taub and related entity BMI Estate. Based on the notification, Robert Taub (together with his controlled undertakings) holds 4,360,800 voting rights, consisting of 4,310,800 voting rights linked to securities and 50,000 equivalent financial instruments, representing
The notification dated December 2, 2025 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
- BMI Estate (with address at Avenue des Croix de Guerre 149 / 13, 1120 Brussels)
- Date on which the threshold was crossed: December 1, 2025
- Threshold that is crossed:
10% - Denominator: 43,026,460
- 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 | 2,712,510 | |||
| BMI Estate | 567,484 | 567,484 | |||
| Robelga SRL | 960,806 | 1,030,806 | |||
| Subtotal | 4,240,800 | 4,310,800 | |||
| TOTAL | 4,310,800 | 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 | ||||
| 4,360,800 | ||||||
- 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.
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Contact:
Nyxoah
John Landry, CFO
IR@nyxoah.com
Attachment
FAQ
What did Nyxoah (NYXH) report on December 2, 2025 about Robert Taub's stake?
When did Robert Taub cross the 10% voting-rights threshold in NYXH?
How many voting rights and warrants does Robert Taub hold in NYXH?
What percentage of Nyxoah voting rights did Taub hold on November 20, 2025?
Which controlled entity is part of Robert Taub's ownership chain for NYXH shares?
