Investor · Oakland, CA

Tyler J. Johnston

Open Tyler in the network graph →

Filings

12

SEC Form D

Connections

62

co-filers

Capital

—

across filings

Active

Nov 2008

to Oct 2025

Most-connected co-filers (62)

Kevin Stone · Tampe, AZ10 shared Peter Mattson · Foster City, CA10 shared Robert Gatto · Hillsborough, CA10 shared Jack Robertson · San Francisco, CA10 shared William G. White · San Francisco, CA10 shared Mark Slezak · Chicago, IL10 shared Richard J. Curran · NEW YORK, NY5 shared Robert F. Cavanaugh · New York, NY5 shared Michael J. Bessel · New York, NY5 shared Michael W. Arpey · New York, NY5 shared Peter J. Feeney · New York, NY5 shared Carmine Fanelle · New York, NY5 shared John S. Ficarra · NEW YORK, NY5 shared Dave Ritterbush · Tempe, AZ4 shared Marian Tibbits · Rineyville, KY4 shared Simine Fardjadi · Glendale, CA4 shared Steven J. Musumeci · Greenwich, CT3 shared Mark V. Murray · George Town, Cayman Islands3 shared Marc Sulam · Teaneck, NJ3 shared Andrew C. Mahoney · George Town, Cayman Islands3 shared Mark W. Cook · GRAND CAYMAN, Cayman Islands3 shared Herve Francois · New Hope, PA2 shared Carlos J. Coe · San Marcos, TX2 shared Daniel S. Venegoni · Huntersville, NV2 shared

Recent filings (12)

DeRosa Capital 20, LLCOct 2025 · 8 co-filers$10.0M DeRosa Capital 20, LLCJul 2025 · 8 co-filers$10.0M JOINT JUICE INCFeb 2012 · 17 co-filers$750K JOINT JUICE INCOct 2011 · 15 co-filers$75.4M JOINT JUICE INCMay 2011 · 15 co-filers$4.6M JOINT JUICE INCFeb 2011 · 15 co-filers$9.2M CIGNA CORPOct 2010 · 31 co-filers$500.0M JOINT JUICE INCFeb 2010 · 14 co-filers$13.8M CIGNA CORPOct 2009 · 31 co-filers$500.0M JOINT JUICE INCAug 2009 · 15 co-filers$450K JOINT JUICE INCApr 2009 · 15 co-filers$750K JOINT JUICE INCNov 2008 · 16 co-filers$900K

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