Investor · Boston, MA

Mark Baldry

Open Mark in the network graph →

Filings

2

SEC Form D

Connections

37

co-filers

Capital

$150.0M

across filings

Active

Jun 2023

to Aug 2025

Most-connected co-filers (37)

Murray W. Stewart · Boston, MA2 shared Gary J. Bridger · Boston, MA2 shared Francoise J. De Craecker · Boston, MA2 shared Michael S. Wyzga · Boston, MA2 shared Mary S. Dibiase · Boston, MA2 shared Chris C. Manning · PROVO, UT1 shared Kevin M. Swift · Larkspur, CA1 shared Arthur S. Taveras · Boston, MA1 shared David W. Mcgirr · Boston, MA1 shared Alison E. Lawton · Boston, MA1 shared William E. Aliski · Boston, MA1 shared Adam Mostafa · Toronto, Ontario, Canada1 shared Brad Kalter · Jacksonville, FL1 shared Dustin Olson · Jacksonville, FL1 shared David Finn · BOSTON, MA1 shared Todd Denton · Little Rock, AR1 shared Thomas G. Hough · Warrendale, PA1 shared Aaron Beiler · Atglen, PA1 shared Jacob Stoltzfus · Atglen, PA1 shared David Platt · Atglen, PA1 shared Benuel Esh · Atglen, PA1 shared Gary Zimmerman · Atglen, PA1 shared Nan V. Shen · Woburn, MA1 shared Dhinakarraj Gantala · Palo Alto, CA1 shared

Recent filings (2)

X4 Pharmaceuticals, IncAug 2025 · 19 co-filers$85.0M X4 Pharmaceuticals, IncAug 2025 · 19 co-filers$85.0M X4 Pharmaceuticals, IncJun 2023 · 34 co-filers$65.0M X4 Pharmaceuticals, IncJun 2023 · 34 co-filers$65.0M

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