People · Operator

Colby Kash

Named in public records as an officer, director or promoter · active 2023–2025 · Other

2
Companies
2
Filings
$21.7M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Kastle Biopartners II LPOtherSeries A$14.4M$53.2M2025
Kastle BioPartners LPOtherSeries A$7.3M$51.7M2023
Operator network

Colby Kash at the center, the companies they're named on, and every other operator named alongside them — an interlock map of shared founding teams, boards and funds. Name-matched, so treat as a research lead.

Josh Sharan · 1 companies · 1 sharedJosh SharanPeter Kash · 4 companies · 2 sharedPeter KashJeffrey Serbin · 1 companies · 1 sharedJeffrey SerbinKastle Biopartners II LP · $14.4M raisedKastle Biopartners II…Kastle BioPartners LP · $7.3M raisedKastle BioPartners LPColby KashCK
Colby Kash Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

People named alongside Colby Kash on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.

OperatorSharedTheir companies
Peter Kash24
Josh Sharan11
Jeffrey Serbin11

People are matched by normalized name across records; a common name may merge distinct individuals. Treat as a research lead, the same way modeled valuations are directional, not quoted.