Investor · Palo Alto, CA

Sebastian Anastassiou

Open Sebastian in the network graph →

Filings

3

SEC Form D

Connections

10

co-filers

Capital

$3.0M

across filings

Active

Nov 2022

to Dec 2025

Most-connected co-filers (10)

John L. Mitchell · WOBURN, MA1 shared Chris Diblasi · Woburn, MA1 shared Ryan Hess · Woburn, MA1 shared Daniel O'Connor · Redwood City, CA1 shared Aaron Kamauu · Aurora, CO1 shared Wojciech Adam Koszek · Palo Alto, CA1 shared Marinus Johannes Willemink · Palo Alto, CA1 shared Craig Parker · South San Francisco, CA1 shared Todd Pietri · Austin, TX1 shared James Hill · London, United Kingdom1 shared

Recent filings (3)

Navidence, Inc.Dec 2025 · 9 co-filers$4.5M Navidence, Inc.Dec 2025 · 9 co-filers$4.5M Connective Health, Inc.Oct 2024 · 4 co-filers$2.3M Segmed, Inc.Nov 2022 · 5 co-filers$10.1M Segmed, Inc.Nov 2022 · 5 co-filers$10.1M

Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Sebastian in the interactive graph →