William L. Weisman
Solo GP · Los Angeles, California
Named as the only individual (Managing Director of GP of Issuer) on the Form D for KittyHawk Heavy MycoMedica 2026 SAFE LLC, a $2M venture SPV (Aug 2026) (11 vehicles on file: 1 fund, 10 SPVs). Also a non-executive director at 2 startups that filed Form D.
Angel Investment Confidence Score
Algorithmic score indicating recent deal velocity, check size reliability, and investment conviction in early-stage startups.
Why William L. Weisman holds a 95/100 confidence score
- Verified active check-writing activity within the last 12 months
- Target check sizes calibrated between $100K–$300K
- Clear domain thesis in Hardware & Robotics, AI & ML, Healthcare
- Named as the only individual (Managing Director of GP of Issuer) on the Form D for KittyHawk Heavy MycoMedica 2026 SAFE LLC, a $2M venture SPV (Aug 2026) (11 vehicles on file: 1 fund, 10 SPVs). Also a non-executive director at 2 startups that filed Form D.
Building in Hardware & Robotics, AI & ML, Healthcare? See how well your pitch deck matches William L. Weisman’s thesis.
Check My Startup FitVerified investment track record
Named as the only individual (Managing Director of GP of Issuer) on the Form D for KittyHawk Heavy MycoMedica 2026 SAFE LLC, a $2M venture SPV (Aug 2026) (11 vehicles on file: 1 fund, 10 SPVs). Also a non-executive director at 2 startups that filed Form D.
Source: SEC Form D: KittyHawk Heavy MycoMedica 2026 SAFE LLC (Aug 24, 2026) · 9 more sources
- Stages
- Pre-seed to Series A
- Typical check (est.)
- $100K–$300K
- Verified deals
- 8 on file
- Latest activity
- Aug 2026
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What sectors does William L. Weisman back?
Hardware & RoboticsAI & MLHealthcareVerified investments & deal activity
8 deals trackedRecent startup investments, syndicate rounds, and public co-investments across the US and Europe.
- Sep 2025
Anthropogenic
Deal vehicle; company not disclosed
- Sep 2025
MAPS B
Deal vehicle; company not disclosed
- Aug 2025
Boost II
Deal vehicle; company not disclosed
- Mar 2025
The Robot
Deal vehicle; company not disclosed
- Feb 2025
HoprAI II
Deal vehicle; company not disclosed
- Apr 2024
KittyHawk Ventures IV, LP
Invested through a fund
- Mar 2024
Boost Innovations
Board seat on the company's SEC filing · CA
- Jan 2023
QRails
Board seat on the company's SEC filing · CO
Public Verification Sources
- SEC Form D: KittyHawk Heavy MycoMedica 2026 SAFE LLCAug 24, 2026
- SEC Form D: KittyHawk Heavy Hedy SPV LLCMay 29, 2026
- SEC Form D: KittyHawk Heavy Agentic Healthcare LLCMay 15, 2026
- SEC Form D: KittyHawk Heavy Vytalize C-3 LLCJan 22, 2026
- SEC Form D: KittyHawk Heavy GAMA DAT III LLCOct 7, 2025
- SEC Form D: KittyHawk Heavy SPV Anthropogenic LLCSep 25, 2025
- SEC Form D: Kittyhawk Heavy Helena SPV MAPS B LLCSep 25, 2025
- SEC Form D: KittyHawk Heavy SPV Boost II LLCAug 15, 2025
- SEC Form D (board seat): QRailsJan 12, 2023
- SEC Form D (board seat): Boost InnovationsMar 8, 2024
Data refreshed from SEC filings and public European announcements Oct 15, 2026. Is this you? Correct or remove this profile.
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