Investor · VANCOUVER, British Columbia, Canada

Steven Semmelmayer

Open Steven in the network graph →

Filings

18

SEC Form D

Connections

97

co-filers

Capital

$5.4M

across filings

Active

Feb 2023

to Mar 2026

Most-connected co-filers (97)

Thomas Scarnecchia · VANCOUVER, British Columbia, Canada8 shared Mark L. Attanasio · Los Angeles, CA6 shared Peter Whitehead · VANCOUVER, British Columbia, Canada6 shared Darren A. Tindale · Vancouver, British Columbia, Canada6 shared Lisa M. Longino · Miami, FL3 shared Brian O. Moon · New York, NY3 shared Emmanuel Blin · VANCOUVER, British Columbia, Canada3 shared Usama A. Fayyad · Buffalo, NY3 shared David P. Ditillo · Durham, NC3 shared Freedom Crude LLC · Bowling Green, KY3 shared Jonathan J. Novak · Los Angeles, CA3 shared Jonathan Wyatt Gruber · Larkspur, CA3 shared Timothy M. Heslin · Brentwood, TN3 shared Alexander Klabin · New York, NY3 shared Elizabeth B. Cropper · Houston, TX3 shared Ian A. Pilgrim · Hamilton, Bermuda3 shared Terri N. Fiedler · Houston, TX3 shared W. D. Knight · Atlanta, GA3 shared Christopher B. Smith · Houston, TX3 shared Mark Affolter · Chicago, IL3 shared Julie A. Cotton Hearne · Houston, TX3 shared Bryan A. Pinsky · Woodland Hills, CA3 shared John P. Byrne · Houston, TX3 shared Emily W. Gingrich · New York, NY3 shared

Recent filings (18)

March EXP I LPMar 2026 · 6 co-filers$200.0M AMERICAN GENERAL LIFE INSURANCE COApr 2025 · 31 co-filers$500.0M AMERICAN GENERAL LIFE INSURANCE COFeb 2025 · 29 co-filers$500.0M AMERICAN GENERAL LIFE INSURANCE COFeb 2025 · 29 co-filers Light AI Inc.Jan 2025 · 20 co-filers$1.8M Light AI Inc.Jan 2025 · 20 co-filers$398K Light AI Inc.Jan 2025 · 20 co-filers$398K Light AI Inc.Jan 2025 · 20 co-filers$1.8M Light AI Inc.Jan 2025 · 20 co-filers$4.1M Light AI Inc.Jan 2025 · 20 co-filers$4.1M March Fund I US LPFeb 2024 · 15 co-filers VESO VENTURES LLC - SX I SPV LLCJul 2023 · 8 co-filers$2.2M March Fund I US LPFeb 2023 · 15 co-filers VESO VENTURES LLC - SX I SPV LLCFeb 2023 · 8 co-filers$1.0M C3J THERAPEUTICS, INC.Dec 2016 · 17 co-filers$25.0M C3J THERAPEUTICS, INC.Dec 2016 · 17 co-filers$25.0M ChoozOn CorpJan 2012 · 10 co-filers$1.5M SENSABLE TECHNOLOGIES INCNov 2011 · 17 co-filers$6.0M SENSABLE TECHNOLOGIES INCSep 2011 · 17 co-filers$6.0M ChoozOn CorpAug 2011 · 7 co-filers$750K ChoozOn CorpAug 2011 · 9 co-filers$2.5M NOVALAR PHARMACEUTICALS INCJul 2010 · 7 co-filers$2.5M

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