Investor · Tokyo, M0

Tamio Ishibashi

Open Tamio in the network graph →

Filings

13

SEC Form D

Connections

203

co-filers

Capital

$76K

across filings

Active

Jun 2022

to Mar 2026

Most-connected co-filers (203)

Tsutomu Ozaki · Tokyo, M08 shared Guillermo Marmol · Boston, MA4 shared Fletcher Morgan · White Rock, British Columbia, Canada4 shared Stephen Quin · White Rock, British Columbia, Canada4 shared Michael Kosowan · Burnaby, British Columbia, Canada4 shared Yedid Capital Management, LLC · Miami Beach, FL4 shared Naoto Furuya · Tokyo, M04 shared Kenneth A. Trombetta · PITTSBURGH, PA4 shared Horst Hueniken · Toronto, Ontario, Canada4 shared Dan O'Brien · White Rock, British Columbia, Canada4 shared Evandra Nakano · White Rock, British Columbia, Canada4 shared Alex Katz · Oxnard, CA4 shared Peter O'Heeron · HOUSTON, TX2 shared See Clarification See Clarification · London, United Kingdom2 shared Benjamin Rabinowitz · Tel Aviv, L32 shared Hideki Yamano · Tokyo, M02 shared Danny Rimer · San Francisco, CA2 shared Ian A. Pilgrim · Hamilton, Bermuda2 shared Scott Byrd · Menlo Park, CA2 shared Brett Gross · CENTENNIAL, CO2 shared George B. Bashforth · Camana Bay, Grand Cayman, Cayman Islands2 shared John Platts · Miami Beach, FL2 shared Justin Polce · Mountainside, NJ2 shared Evan Richter · West Hollywood, CA2 shared

Recent filings (13)

Porosome Therapeutics, Inc.Mar 2026 TDG Gold Corp.Jul 2025 · 14 co-filers$6.3M TDG Gold Corp.Jul 2025 · 14 co-filers$97K Porosome Therapeutics, Inc.Jun 2025 · 2 co-filers Porosome Therapeutics, Inc.Jul 2024 · 2 co-filers TDG Gold Corp.Jul 2024 · 14 co-filers$97K SCSK CorpJul 2024 · 175 co-filers$71K SCSK CorpJul 2024 · 175 co-filers$71K Porosome Therapeutics, Inc.Sep 2023 · 2 co-filers$5.0M TDG Gold Corp.Jul 2023 · 16 co-filers$97K SCSK CorpJul 2023 · 190 co-filers$49K SCSK CorpJul 2023 · 190 co-filers$49K Amiti IV L.P.Jun 2023 · 8 co-filers$90.0M Viron Therapeutics Holdings, Inc.Jun 2022 · 2 co-filers Amiti IV L.P.Jun 2022 · 8 co-filers$110.0M

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