Capital Four is a Venture Debt tracked by The Signal, based in Denmark.
| Date | Company | Round | Amount |
|---|---|---|---|
| 2025-08-07 | Ostra Cybersecurity | Series A | Undisclosed |
| 2025-06-20 | Ostra Cybersecurity | Series A | $9.5M |
Data from The Signal by Return on Security — cybersecurity funding and investor intelligence.