Key facts
- It has raised $730K.
- Status: Privately Held (backing).
- ·Watchlist + deal alerts for CalX
- ·The full record, as it builds
Funding rounds
No funding rounds for CalX are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About CalX
Operator of a sustainable materials company intended to transform oyster shell waste into eco-friendly industrial resources. The company offers innovative oyster shell-based materials that serve as a natural alternative to mined limestone, enabling customers to lower their carbon footprint, access biosourced products with strong mechanical properties and contribute to marine and coastal restoration projects.
- Sector
- Business Products and Services (B2B)
- HQ
- Bordeaux, France
- Employees
- 4
- Website
- calx-sea.com/
- Ownership
- Privately Held (backing)
CalX doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in CalX shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on CalX in its N-PORT filings yet. We sweep new filings monthly.