Investor · ONTARIO, CA

Irving S. Kau

Open Irving in the network graph →

Filings

9

SEC Form D

Connections

61

co-filers

Capital

$6.0M

across filings

Active

Apr 2023

to Nov 2025

Most-connected co-filers (61)

Carine S. Clark · ONTARIO, CA9 shared Edward Lee · Vancouver, British Columbia, Canada7 shared Desheng Wang · ONTARIO, CA7 shared Sean S. Warren · ONTARIO, CA5 shared Michael S. Pope · Ontario, CA5 shared Brian F. Semel · Northbrook, IL4 shared Arthur Yakubovsky · George Town, Grand Cayman, Cayman Islands4 shared Steve Joanis · Colorado Springs, CO2 shared Alberto Autmezguine · Hamilton, Bermuda2 shared Jeffrey T. Diehl · Chicago, IL2 shared Mark Chin · South San Francisco, CA2 shared Ron S. Hunt · San Carlos, CA2 shared Catherine Valeri · Hamilton, Bermuda2 shared Laurence Barker · London, United Kingdom2 shared John Berkery · Greenwich, CT2 shared Ariel Trybuch · LOS ANGELES, CA2 shared Justin Macneil · Hamilton, Bermuda2 shared Olga D. Danilchanka · Sacramento, CA2 shared Laia D. Crespo-Martin · Sacramento, CA2 shared Jonathan Drachman · South San Francisco, CA2 shared Joseph Bailes · South San Francisco, CA2 shared Andrew Robbins · South San Francisco, CA2 shared Leslie D. Schulze · Sacramento, CA2 shared Jim J. Collord · Boise, ID2 shared

Recent filings (9)

FOCUS UNIVERSAL INC.Nov 2025 · 17 co-filers$7.0M FOCUS UNIVERSAL INC.Nov 2025 · 17 co-filers$3.0M FOCUS UNIVERSAL INC.Nov 2025 · 17 co-filers$7.0M FOCUS UNIVERSAL INC.Nov 2025 · 17 co-filers$3.0M Therini Bio, Inc.Sep 2025 · 19 co-filers$80.8M INNOVATE Corp.Aug 2025 · 17 co-filers$360.4M INNOVATE Corp.Jul 2025 · 17 co-filers$51.1M FOCUS UNIVERSAL INC.Oct 2024 · 6 co-filers$2.0M Harpoon Therapeutics, Inc.Oct 2023 · 26 co-filers$100.2M Therini Bio, Inc.Apr 2023 · 25 co-filers$54.6M Harpoon Therapeutics, Inc.Apr 2023 · 30 co-filers$25.0M

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