Active · per the CBE, 16 September 2026

AstriVax Therapeutics

BE0787990881

Rechtspersoon Public limited company 1 establishment

AstriVax Therapeutics is a research organisation in Leuven. Public Limited, started on 4 July 2022, 1 establishment.

Gaston Geenslaan 3 box 4, 3001 Leuven

Behind the company: Halina Novak.

Active for

4 year, 2 months

Warning lights

Signals from the annual accounts, the CBE and the Official Gazette, each with its threshold and source. No score, no verdict.

  • Two loss years in a row NBB

    Negative result in 2024 and 2025.

  • Figures corrected NBB

    Corrected annual account filed for 2023.

  • Board fully replaced NBB

    No director from three years ago is still active according to annual account 2025.

  • Busy address KBO

    11 other companies have their registered office at the same address; threshold 10.

Financials

Financial year 2025

AstriVax Therapeutics from Leuven, company number BE0787990881, closed financial year 2025 with a result of € -7.7 million after tax. Compared with financial year 2024, the result moved from € -8.2 million to € -7.7 million. The company made a loss. The company holds a healthy buffer. A strong own buffer against the debts. The most recent annual accounts were filed with the National Bank of Belgium on May 21, 2026.

What it is worth Healthy

€ 10.7 million

▼ 42% vs 2024

Assets minus debts, by the books. What is left if everything were sold and paid today.

Loss Caution

€ -7.7 million

▲ 7 % less loss than in 2024

Profit after tax over the fiscal year.

Cash in the bank

€ 3.2 million

▼ 68% vs 2024

Cash and bank balances on the last day of the fiscal year.

Where the profit goes Caution

Loss, nothing to pay out

Reserves fell to € -5.1 million.

People and assets in 2025

Full-time equivalents

17.1

▼ 2.4 vs 2024

Average over the fiscal year, from the social balance sheet.

Wage cost

€ 2.6 million

▲ 1% vs 2024

€ 154,800 per full-time equivalent. Payroll staff only. What the director pays themselves is already netted into the gross margin and is not shown separately in the accounts.

Vehicles and equipment

€ 43,558

▼ 31% vs 2024

Book value of vehicles, furniture and equipment.

Debts at end 2025

Bank debt ≈ 3 years to go

€ 33,000

▼ 25% vs 2024

€ 11,000 is repaid this year. At this pace the long-term loan is gone in ≈ 3 years.

Owed to suppliers

€ 686,849

▼ 51% vs 2024

Supplier invoices still open on the last day of the fiscal year. Pays suppliers within 38 days on average.

Wages and social charges

€ 258,352

▼ 34% vs 2024

Wages, holiday pay and social contributions still to pay. No outstanding taxes.

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Key figures per fiscal year Download key figures (CSV)
202320242025Change 2024 → 2025
Gross margin € -5,278,906 - -
Profit after taxes € -6,742,248 € -8,198,285 € -7,657,682 ▲ € 540,602
Equity € 14,546,227 € 18,347,942 € 10,690,260 ▼ 42%
Total debts € 5,490,927 € 3,172,872 € 1,838,750 ▼ 42%
Cash € 3,409,537 € 10,130,138 € 3,191,847 ▼ 68%
Retained profit € -6,742,248 € -8,198,285 € -5,080,196 ▲ € 3.1 million
Bank debt € 0 € 44,000 € 33,000 ▼ 25%
Balance sheet total € 20,037,153 € 21,520,814 € 12,529,009 ▼ 42%
Employees (FTE) 12.5 19.5 17.1 ▼ 2.4

Key figures of AstriVax Therapeutics, fiscal years 2023 to 2025, from the annual accounts filed with the National Bank of Belgium.Next annual account (fiscal year 2026) expected before 31 July 2027.

What happened to AstriVax Therapeutics?

What happened at AstriVax Therapeutics in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:

  • Dieter Karl Weinand stepped down as director. NBB
  • Jeanne Bolger stepped down as director. NBB
  • Participatiemaatschappij Vlaanderen NV stepped down as director. NBB
  • OMX EUROPE VENTURE FUND FPCI BO stepped down as director. NBB
  • Shelley Margetson stepped down as director. NBB
  • Bart Geers stepped down as director. NBB
  • Hanxelle BV stepped down as director. NBB
  • Evan Castiglia stepped down as director. NBB

In short

From € 6.7 million loss in 2023 to € 7.7 million loss in 2025.

Pays suppliers within 38 days on average.

Management

The stake of Fund+, Flanders Future Techfund, V-Bio Fund 2 comes from that shareholder’s own annual accounts; small companies do not report their shareholders themselves.

AstriVax Therapeutics

Behind AstriVax Therapeutics is Halina Novak. The shares are held by Fund+ (17.2%), Flanders Future Techfund (14.3%) and V-Bio Fund 2 (14.3%).

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Directors

According to the 2025 annual accounts

Halina Novak

Director

since 2024

Dieter Karl Weinand

Director

since 2025 · until 2031

OMX EUROPE VENTURE FUND FPCI BO

Director · represented by Eva Van Overmeire

Also active at: Microbial Resource Management Technologies

since 2022 · until 2028

Shelley Margetson

Director

since 2022 · until 2028

Bart Geers

Director

Also active at: FOx Biosystems, AUGUSTINE THERAPEUTICS

since 2022 · until 2028

Hanxelle BV

Director · represented by Hanne Callewaert

since 2022 · until 2028

Jeanne Bolger

Director

since 2022 · until 2028

Evan Castiglia

Director

since 2023 · until 2028

Shareholders

Participations

No participations in other companies reported.

Establishments

Establishment units

Physical locations of this company

Registered office

Gaston Geenslaan 3 box 4

3001 Leuven

2.334.105.753

Gaston Geenslaan 3

3001 Leuven

Active since 4 July 2022

What is an establishment unit? An establishment unit is a geographically identifiable place where activities of the enterprise are carried out.

Details

Company number
0787.990.881
VAT number
BE 0787.990.881
Registered office
Gaston Geenslaan 3 bus 4, 3001 Leuven
Names & denominations
AstriVax Therapeutics
Enterprise type
Rechtspersoon
Legal form
Public limited company
Legal situation
Normale toestand
Start date
4 July 2022
Peppol
Active · Active since 27 Mar 2026
Activities · NACE

Speur- en ontwikkelingswerk op biotechnologisch gebied

Frequently asked questions

What does AstriVax Therapeutics do?
AstriVax Therapeutics is a research organisation in Leuven. Public Limited, started on 4 July 2022, 1 establishment.
What is the address of AstriVax Therapeutics?
The registered office of AstriVax Therapeutics is located at Gaston Geenslaan 3 box 4, 3001 Leuven.
Is AstriVax Therapeutics still active?
Yes. According to the CBE (16 September 2026) AstriVax Therapeutics is active, legal situation “Normale toestand”, started on 4 July 2022.
Is AstriVax Therapeutics registered on Peppol?
Yes, AstriVax Therapeutics is registered on the Peppol network with ID 0208:0787990881.
What is the enterprise number of AstriVax Therapeutics?
The enterprise number of AstriVax Therapeutics is BE0787990881.
When was AstriVax Therapeutics founded?
AstriVax Therapeutics was founded on 4 July 2022.