Investor · Houston, TX

Mark Haidar

Open Mark in the network graph →

Filings

2

SEC Form D

Connections

16

co-filers

Capital

$2.0M

across filings

Active

Apr 2023

to Jul 2025

Most-connected co-filers (16)

Claire Haidar · Dallas, TX2 shared Anton Musgrave · Dallas, TX2 shared Selwyn F. Rayzor · Houston, TX2 shared Jonathan Crowder · Dallas, TX2 shared Tracey Foulkes · Dallas, TX2 shared Beth Gusenoff · Pittsburgh, PA1 shared Mark S. Katz · Chicago, IL1 shared William Mcvicar · Toronto, Ontario, Canada1 shared Harsha Polavarapu · McKinney, TX1 shared Himanshu Polavarapu · McKinney, TX1 shared Arinder G. Mahal · Mississauga, Ontario, Canada1 shared Christopher Bohner · Houston, TX1 shared Brian Bloom · Toronto, Ontario, Canada1 shared Michael D. O'Halleran · CHICAGO, IL1 shared Timothy W. Turner · CHICAGO, IL1 shared Jim I. Larsen · Copenhagen, Netherlands1 shared

Recent filings (2)

Wndyr Inc.Jul 2025 · 13 co-filers Wndyr Inc.Jul 2025 · 13 co-filers Wndyr Inc.Apr 2023 · 16 co-filers Wndyr Inc.Apr 2023 · 16 co-filers

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