Investor · Pittsburgh, PA

Mark Uminski

Open Mark in the network graph →

Filings

7

SEC Form D

Connections

30

co-filers

Capital

—

across filings

Active

Mar 2009

to Feb 2026

Most-connected co-filers (30)

John S. Armour · Los Angeles, CA7 shared Jerry Vogl · Pittsburgh, PA7 shared J. Douglas Debalek · Pittsburgh, PA7 shared Daniel Rosen · Pittsburgh, PA7 shared Matthew Newton · Pittsburgh, PA6 shared Dale Gilardi · Pittsburgh, PA5 shared Jonas Rinne · George Town, Grand Cayman, Cayman Islands5 shared James J. Vernon · George Town, Grand Cayman, Cayman Islands5 shared Karla J. Bodden · Grand Cayman, Cayman Islands5 shared Phil J. Schmitt · George Town, Grand Cayman, Cayman Islands5 shared James Morrison · Manlius, NY5 shared David Ivy · Pittsburgh, PA5 shared John P. Lemmon · CHAGRIN FALLS, OH4 shared Jonah F. Schnel · Santa Ana, CA4 shared Robert Giles · Moffett Field, CA4 shared Jon Rotolo · Pittsburgh, PA4 shared Ivar L. Peterson · Woodbury, MN4 shared Richard Breidenbach · Reno, NV2 shared J. C. Pallotta · FAIRMONT, WV2 shared Jim Fleming · Pittsburgh, PA2 shared David Hull · Pittsburgh, PA2 shared Ed Wallander · Pittsburgh, PA1 shared Justina Chiang · New York, NY1 shared Susannah Shipton · New York, NY1 shared

Recent filings (7)

Nara Organics, Inc.Feb 2026 · 5 co-filers$15.5M Nara Organics, Inc.Nov 2025 · 17 co-filers$15.0M TRISTAR INVESTORS INCMay 2012 · 23 co-filers$25.0M TRISTAR INVESTORS INCNov 2010 · 23 co-filers$312K TRISTAR INVESTORS INCMar 2010 · 21 co-filers$13.1M TRISTAR INVESTORS INCSep 2009 · 21 co-filers$16.3M TRISTAR INVESTORS INCMar 2009 · 20 co-filers$11.3M

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