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Samuel Phineas Upham

Syndicate lead · Claremont, NH

Verified active in the last 12 months

Samuel Phineas Upham is a syndicate lead based in Claremont, NH, investing at pre-seed, seed stage. Estimated typical check: $5M. Samuel Phineas Upham has dated investing activity in the last 12 months (latest Aug 2026).

Why Samuel Phineas Upham is listed

Named as the only individual (Managing Member of Issuer's General Partner) on the Form D for Haymaker SPV Dyo, LP, a $5M venture SPV (Aug 2026).

Source: SEC Form D: Haymaker SPV Dyo, LP (Aug 20, 2026)

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Stages
Pre-seed, Seed
Typical check (est.)
$5M
Latest fund
SPVs only
Latest dated activity
Aug 2026

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What does Samuel Phineas Upham invest in?

Sector focus not yet verified

What has Samuel Phineas Upham invested in recently?

  • Dyo

    Deal vehicle; company not disclosed

    Aug 2026

Funds and deal vehicles Samuel Phineas Upham filed with the SEC

  • Haymaker SPV Dyo, LP

    Deal vehicle · $5M offering

    Aug 2026

Sources

Data refreshed from public sources Oct 15, 2026. Is this you? Remove or correct this profile.