Mauna Kea Technologies secures €4.0M shareholder loan to fund growth
Mauna Kea Technologies signed a €4.0M shareholder loan with Vester Finance, repayable in cash or shares over 24 months. The facility supports US and international growth, with cash repayment interest at 7.0% per year. The deal was approved by the Board on June 4, 2026.

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Mauna Kea Technologies has established a shareholder loan agreement with Vester Finance to secure additional funding for commercial growth and development opportunities. The optional financing facility provides up to €4.0 million, available over a period of 24 months, and is repayable in cash or new shares. This arrangement is intended to strengthen the company's momentum in the United States and internationally while supporting geographic expansion into new strategic territories following entries into Switzerland, the United Kingdom, the United Arab Emirates, and Turkey in the first half of 2026.
As of the date of the announcement, no advance has been drawn under the agreement. The company retains the discretion to mobilize the liquidity line based on its needs, with no contractual obligation to draw funds. Current financial visibility extends into the second quarter of 2027 without utilizing this advance or exercising warrants from the November 2025 capital increase.
Principal terms of the loan
Under the agreements dated July 15, 2026, Vester Finance has committed to granting a shareholder loan with a maximum principal amount of €4.0 million. The company may request advances of up to €0.5 million each. If repaid in cash, the advances bear interest at a rate of 7.0% per year from the date of payment and mature on January 15, 2029. The company retains the right to suspend or terminate the agreement at any time without cost.
| Loan Feature | Details |
|---|---|
| Maximum Amount | €4.0 million |
| Availability Period | 24 months |
| Advance Limit | €0.5 million per request |
| Cash Interest Rate | 7.0% per year |
| Maturity Date (Cash) | January 15, 2029 |
In the event of repayment in shares, new shares would be issued based on the average stock market price preceding each issuance, with a maximum discount of 5%. The issuance is capped at 24,000,000 new shares, representing at most 12.3% of the current share capital. Assuming full repayment in shares, Vester Finance would hold approximately 21.6% of the company’s share capital on a non-diluted basis and 15.1% on a diluted basis.
Governance and regulatory approval
The transaction was authorized under the 14th resolution of the Combined General Meeting of June 4, 2026, and approved by the company's Board of Directors. It does not require a prospectus approval by the Autorité des marchés financiers (AMF). The number of shares issued under this arrangement will be disclosed in the monthly report on shares and voting rights published on the company's website.
Sacha Loiseau, Ph.D., Chairman and Chief Executive Officer of Mauna Kea Technologies, stated that the arrangement provides valuable financial flexibility to accelerate the commercial adoption of Cellvizio®. The company plans to selectively strengthen its U.S. commercial force and expand the international presence of CellTolerance® using these resources.
What specific metrics will indicate the successful commercial adoption of Cellvizio® in the U.S. market?
How will the company prioritize the new strategic territories for geographic expansion beyond the initial entries?
What impact will the potential dilution of existing shareholders have on future investor sentiment?























