Investor · Houston, TX

D. M. Dewalch

Open D. in the network graph →

Filings

5

SEC Form D

Connections

86

co-filers

Capital

$3.9M

across filings

Active

Oct 2018

to Mar 2025

Most-connected co-filers (86)

William G. Bardel · Houston, TX4 shared Alexander D. Stuart · Houston, TX3 shared Michael C. Linn · Houston, TX2 shared William N. Mathis · Houston, TX2 shared William E. Randall · Houston, TX2 shared Thomas L. Carter · HOUSTON, TX2 shared Carin M. Barth · El Paso, TX2 shared Jerry V. Kyle, Jr · Houston, TX2 shared Gregory C. Chotkowski · New York, NY2 shared Arthur E. Greco · New York, NY2 shared John H. Longmaid · Houston, TX2 shared Owen Van Essen · Santa Fe, NM1 shared Carrie P. Clark · HOUSTON, TX1 shared Susan Dubin · Santa Fe, NM1 shared William A. Haseltine · Jupiter, FL1 shared M.G. A. Sarngadharan · Baltimore, MD1 shared H. T. Dewalch · HOUSTON, TX1 shared Garrett J. Thornburg · Santa Fe, NM1 shared Arturo I. Carillo Lopez · Sherman Oaks, CA1 shared Thomas A. Lynch · Baltimore, MD1 shared Dmitry I. Burkovskiy · Sherman Oaks, CA1 shared Joystick Ventures, LLC · Sherman Oaks, CA1 shared Pam Misajon · San Diego, CA1 shared Steve Mcdougal · San Francisco, CA1 shared

Recent filings (5)

Black Stone Minerals, L.P.Mar 2025 · 29 co-filers$3.8M Black Stone Minerals, L.P.Mar 2025 · 29 co-filers$3.8M Black Stone Minerals, L.P.Oct 2018 · 50 co-filers$130K BLACK STONE MINERALS CO LPJul 2009 · 29 co-filers$157.6M STEMSAVE INCApr 2009 · 3 co-filers$600K STEMSAVE INCApr 2009 · 3 co-filers$600K

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