Investor · Houston, TX

Mackie Cannon

Open Mackie in the network graph →

Filings

2

SEC Form D

Connections

19

co-filers

Capital

—

across filings

Active

Jun 2019

to Nov 2025

Most-connected co-filers (19)

Alex Cranberg · Houston, TX2 shared Joseph Joyce · Houston, TX2 shared Andrew Davis · Houston, TX2 shared Scott D. Ritger · Houston, TX2 shared David Colina · Columbus, OH1 shared Allegro Mineral Partners Llc · Houston, TX1 shared Adam Olivier · Houston, TX1 shared Amp Prb I Gp Llc · Houston, TX1 shared Allegro Mineral Partners Llc · Houston, TX1 shared Onemap Mineral Gp Ii Llc · Houston, TX1 shared Onemap Mineral Services Llc · Houston, TX1 shared Amp Prb I Gp Llc · Houston, TX1 shared Allegro Mineral Partners Llc · Houston, TX1 shared Onemap Mineral Gp Ii Llc · Houston, TX1 shared David Sims · Houston, TX1 shared Onemap Mineral Services Llc · Houston, TX1 shared Contrarian Opportunity Fund II GP, LLC · Greenwich, CT1 shared Julien Genestoux · Brooklyn, NY1 shared Julie Roberts · Birmingham, AL1 shared

Recent filings (2)

Allegro PRB Fund I LPNov 2025 · 16 co-filers Allegro PRB Fund I LPNov 2025 · 16 co-filers OneMap Mineral Fund II LPJun 2019 · 17 co-filers$200.0M OneMap Mineral Fund II LPJun 2019 · 17 co-filers$200.0M

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