Investor · SEATTLE, WA

William Sornsin

Open William in the network graph →

Filings

12

SEC Form D

Connections

65

co-filers

Capital

$12.9M

across filings

Active

Mar 2017

to May 2025

Most-connected co-filers (65)

Benjamin Joldersma · SEATTLE, WA5 shared James Heckman · SEATTLE, WA5 shared Paul M. Mcnicol · Mill Neck, NY4 shared Peter Mills · St. Peter Port, Y74 shared David Bailey · Nampa, ID4 shared Doug Hauser · Oklahoma City, OK3 shared Steven Rindner · Potomac, MD3 shared Martin Heimbigner · SEATTLE, WA3 shared Deborah Michel · Dallas, TX3 shared Brock Pierce · SAN JUAN, Puerto Rico3 shared Jeffrey T. Roney · Scottsville, VA3 shared Stan Mannschreck · Oklahoma City, OK3 shared Ross Levinsohn · New York, NY3 shared Rostislav Z. Lukatsevich · New York, NY3 shared Robert Hughes Ii · Oklahoma City, OK3 shared Peter Mccormick · Seattle, WA3 shared Rick Harmon · Oklahoma City, OK3 shared Adam Wattenbarger · Oklahoma City, OK3 shared James Heckman · New York, NY3 shared Dan Levitan · Seattle, WA3 shared Josh Jacobs · SEATTLE, WA3 shared Jim Howard · Oklahoma City, OK2 shared Agha L. Khan · Rochester, NY2 shared John Puente · Miami, FL2 shared

Recent filings (12)

RTB DIGITAL INC.May 2025 · 12 co-filers$1.8M RTB DIGITAL INC.May 2025 · 12 co-filers$1.8M ROUNDTABLE MEDIA, INC. - DEJan 2024 · 12 co-filers$1.5M ROUNDTABLE MEDIA, INC. - DEJan 2024 · 12 co-filers$1.5M ROUNDTABLE MEDIA, LLCJan 2022 · 7 co-filers$3.6M ROUNDTABLE MEDIA, LLCJan 2022 · 7 co-filers$3.6M theMaven, Inc.Jun 2018 · 23 co-filers$4.8M theMaven, Inc.Jun 2018 · 15 co-filers$1.8M theMaven, Inc.Jun 2018 · 15 co-filers$1.8M theMaven, Inc.Apr 2018 · 15 co-filers$3.0M theMaven, Inc.Apr 2018 · 15 co-filers$3.0M theMaven, Inc.Mar 2017 · 15 co-filers$5.0M theMaven, Inc.Mar 2017 · 15 co-filers$5.0M Scout Media Holdings, Inc.Mar 2016 · 20 co-filers$15.0M Scout Media Holdings, Inc.Apr 2015 · 23 co-filers$20.0M RUMAN SCIENTIFIC INC.Jan 2015 · 6 co-filers$3.0M RUMAN SCIENTIFIC INC.Dec 2014 · 6 co-filers$3.0M North American Membership Group Inc.Nov 2014 · 20 co-filers$12.0M

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