Investor · Northbrook, IL

Brian F. Semel

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Filings

8

SEC Form D

Connections

49

co-filers

Capital

$19.9M

across filings

Active

Apr 2023

to Nov 2025

Most-connected co-filers (49)

AMO-OE Management, LLC · Chicago, IL6 shared Justin F. Vanblaricom · Northbrook, IL6 shared Edward Lee · Vancouver, British Columbia, Canada4 shared Carine S. Clark · ONTARIO, CA4 shared Irving S. Kau · ONTARIO, CA4 shared Ariel Trybuch · LOS ANGELES, CA2 shared Michael *. Crandall · Chicago, IL2 shared Justin Macneil · Hamilton, Bermuda2 shared Jay Zaveri · CAMPBELL, CA2 shared Ron S. Hunt · San Carlos, CA2 shared Igor P. Zlimen · Nevada City, CA2 shared Leo F. Zlimen · Nevada City, CA2 shared Bowen S. Kyle · San Francisco, CA2 shared Jonathan Drachman · South San Francisco, CA2 shared Catherine Valeri · Hamilton, Bermuda2 shared Luke N. Walker · South San Francisco, CA2 shared Mark Chin · South San Francisco, CA2 shared Andrew Robbins · South San Francisco, CA2 shared Julie Eastland · South San Francisco, CA2 shared Scott Myers · South San Francisco, CA2 shared Lauren P. Silvernail · South San Francisco, CA2 shared Jonathan E. Basofin · Northbrook, IL2 shared Brian S. Goldstein · New York, NY2 shared Joseph Bailes · South San Francisco, CA2 shared

Recent filings (8)

AMO-OE Bannockburn JV, LLCNov 2025 · 12 co-filers$15.4M AMOCL-Bannockburn, LLCNov 2025 · 12 co-filers$4.5M AMO-OE Bannockburn JV, LLCNov 2025 · 12 co-filers$15.4M AMOCL-Bannockburn, LLCNov 2025 · 12 co-filers$4.5M INNOVATE Corp.Aug 2025 · 17 co-filers$360.4M INNOVATE Corp.Jul 2025 · 17 co-filers$51.1M Ladris Technologies, Inc.Sep 2024 · 10 co-filers$2.5M Harpoon Therapeutics, Inc.Oct 2023 · 26 co-filers$100.2M Ladris Technologies, Inc.Apr 2023 · 10 co-filers$250K Harpoon Therapeutics, Inc.Apr 2023 · 30 co-filers$25.0M

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