Investor · Cambridge, MA

John Maslin

Open John in the network graph →

Filings

3

SEC Form D

Connections

4

co-filers

Capital

$67.6M

across filings

Active

Dec 2023

to Aug 2025

Most-connected co-filers (4)

Daniel Aronowitz · Durham, NC3 shared Daniel Borok · Newark, NJ3 shared Daniel R. Bhattachar · Durham, NC1 shared Erik Kriessman · Durham, NC1 shared

Recent filings (3)

VULCAN ELEMENTS INC.Aug 2025 · 7 co-filers$65.0M VULCAN ELEMENTS INC.Aug 2025 · 7 co-filers$65.0M VULCAN ELEMENTS INC.Nov 2024 · 3 co-filers$3.7M VULCAN ELEMENTS INC.Dec 2023 · 5 co-filers$5.2M VULCAN ELEMENTS INC.Dec 2023 · 5 co-filers$5.2M

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