Investor · Gloucester, MA

Robert R. Birmingham

Open Robert in the network graph →

Filings

7

SEC Form D

Connections

21

co-filers

Capital

—

across filings

Active

Nov 2008

to Oct 2025

Most-connected co-filers (21)

Timothy F. Driscoll · Gloucester, MA5 shared Craig H. Deery · Gloucester, MA4 shared Walter Suydam · Gloucester, MA4 shared Stephen D. Kelleher · Gloucester, MA4 shared Michael W. Gorton · Lewisville, TX4 shared Jonathan L. Levy · Austin, TX3 shared James B. Maguire · Gloucester, MA3 shared Erik G. Cohen · Austin, TX3 shared R. D. Hall, Iii · Gloucester, MA2 shared Roger H. Hanson · Grand Cayman, Cayman Islands2 shared Joel E. Dobberpuhl · Brentwood, TN2 shared Joseph J. Colmery · Walnut Creek, CA2 shared Steven J. Didion · Walnut Creek, CA2 shared R. D. Hall Iii · Gloucester, MA2 shared William R. Fielding · Gloucester, MA2 shared Ronan W. Guilfoyle · Grand Cayman, Cayman Islands2 shared Mark A. Weiner · New York, NY2 shared Jefferies Asset Management LLC · Stamford, CT2 shared Bob Pryt · San Francisco, CA2 shared Scott R. Mueller · Oklahoma City, OK1 shared James B. Maquire · Gloucester, MA1 shared

Recent filings (7)

Outrunner Capital - SPV VI LLCOct 2025 · 5 co-filers$4.0M Outrunner Capital - SPV V LLCJul 2025 · 5 co-filers$2.0M Outrunner Capital - SPV IV LLCJul 2025 · 5 co-filers$6.0M Proteus Industries IncApr 2014 · 9 co-filers$1.8M Proteus Industries IncJun 2013 · 9 co-filers$2.0M Proteus Industries IncJun 2009 · 15 co-filers$1.5M Proteus Industries IncNov 2008 · 15 co-filers$750K

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