Brian Rathjen
Syndicate lead · Stamford, Connecticut
Named as the only individual (executive officer) on the Form D for KAM TD SPV LLC, a $6M venture SPV (Mar 2025) (7 vehicles on file).
Angel Investment Confidence Score
Algorithmic score indicating recent deal velocity, check size reliability, and investment conviction in early-stage startups.
Why Brian Rathjen holds a 76/100 confidence score
- Verified past startup investments on public record
- Target check sizes calibrated between $2.83M–$5.32M
- Cross-sector early stage track record
- Named as the only individual (executive officer) on the Form D for KAM TD SPV LLC, a $6M venture SPV (Mar 2025) (7 vehicles on file).
Building in Technology & Software? See how well your pitch deck matches Brian Rathjen’s thesis.
Check My Startup FitVerified investment track record
Named as the only individual (executive officer) on the Form D for KAM TD SPV LLC, a $6M venture SPV (Mar 2025) (7 vehicles on file).
Source: SEC Form D: KAM TD SPV LLC (Mar 28, 2025) · 6 more sources
- Stages
- Pre-seed, Seed
- Typical check (est.)
- $2.83M–$5.32M
- Verified deals
- 0 on file
- Latest activity
- Mar 2025
Is Brian Rathjen a fit for you?
See your AI startup fit score, verified contact channels, and warm paths through your network.
What sectors does Brian Rathjen back?
Sector focus not yet verifiedPublic Verification Sources
- SEC Form D: KAM TD SPV LLCMar 28, 2025
- SEC Form D: KAM CW SPV LLCMar 28, 2025
- SEC Form D: KAM Rockville SPV LLCMar 28, 2025
- SEC Form D: KAM GROC SPV LLCMar 27, 2025
- SEC Form D: KAM Annapolis SPV LLCMar 27, 2025
- SEC Form D: KAM SKR SPV LLCMar 27, 2025
- SEC Form D: KAM 1RT SPV LLCMar 27, 2025
Data refreshed from SEC filings and public European announcements Oct 15, 2026. Is this you? Correct or remove this profile.
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