Investor · Waltham, MA

N. White River Manager

Open N. in the network graph →

Filings

1

SEC Form D

Connections

5

co-filers

Capital

$1.8M

across filings

Active

Dec 2025

to Dec 2025

Most-connected co-filers (5)

John H. Hartmayer · Waltham, MA1 shared Lynda H. Maryanski · Waltham, MA1 shared Jerry H. Liang · Waltham, MA1 shared Thomas H. Grape · Waltham, MA1 shared N. White River Manager · Waltham, MA1 shared

Recent filings (1)

White River Investco LLCDec 2025 · 9 co-filers$1.8M

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