Investor · SAN DIEGO, CA

Ian Mausner

Open Ian in the network graph →

Filings

19

SEC Form D

Connections

38

co-filers

Capital

—

across filings

Active

Mar 2009

to Dec 2025

Most-connected co-filers (38)

J.S. Oliver Partners, LLC · San Diego, CA14 shared J.S. Oliver SF Member LLC · San Diego, CA12 shared Stuart Feldman · NEW YORK, NY12 shared Mari-Ann Green · Vancouver, British Columbia, Canada11 shared Eugene De Juan, Jr., M.D · Menlo Park, CA8 shared K. A. Macfarlane · Menlo Park, CA8 shared Hanson M. Gifford Iii · Santa Clara, CA8 shared J.O. Samantha, L.P · San Diego, CA6 shared David A. Bree · Grand Cayman, Cayman Islands5 shared Robert C. Bellas, Jr · Menlo Park, CA4 shared Elisha P. Gould Iii · Chicago, IL4 shared Michael J. Jacobs · Chicago, IL4 shared J.O. Samantha, LLC · San Diego, CA3 shared Robert Quinn · San Mateo, CA3 shared Robert A. Oakley · Worthington, OH2 shared Richard D. Weiner · Worthington, OH2 shared Daniel Iamiceli · Stamford, CT2 shared Carol R. Lokey · Seattle, WA2 shared J.O. Samantha, L.P · SAN DIEGO, CA2 shared J. M. Johnston · Bellevue, WA2 shared Steelhead Partners, LLC · Bellevue, WA2 shared Brian K. Klein · Bellevue, WA2 shared Pablos Holman · Seattle, WA2 shared Deep Future, LLC · Seattle, WA2 shared

Recent filings (19)

Deep Future Graviton SPV, a series of Decile SPV, LLCDec 2025 · 4 co-filers$1.2M Deep Future Fund II, LPDec 2025 · 6 co-filers$50.0M J.S. Oliver Concentrated Growth Fund, L.P.Mar 2012 · 7 co-filers J.S. Oliver Investment Partners I, L.P.Mar 2012 · 7 co-filers J.S. Oliver Investment Partners II, L.P.Mar 2012 · 7 co-filers J.S. Oliver Concentrated Growth Fund, L.P.Mar 2011 · 8 co-filers J S OLIVER OFFSHORE INVESTMENTS LTDMar 2011 · 3 co-filers J S Oliver Investment Partners I L PMar 2011 · 9 co-filers J.S. Oliver Investment Partners II L PMar 2011 · 9 co-filers J.S. Oliver Investment Partners II L PMar 2010 · 9 co-filers J.S. Oliver Concentrated Growth Fund, L.P.Mar 2010 · 8 co-filers J S OLIVER OFFSHORE INVESTMENTS LTDMar 2010 · 3 co-filers J S Oliver Investment Partners I L PMar 2010 · 9 co-filers Physicians Assurance CorpAug 2009 · 19 co-filers J S Oliver Investment Partners II L PMar 2009 · 9 co-filers J S Oliver Investment Partners I L PMar 2009 · 9 co-filers J S OLIVER OFFSHORE INVESTMENTS LTDMar 2009 · 3 co-filers J.S. Oliver Concentrated Growth Fund, L.P.Mar 2009 · 8 co-filers Physicians Assurance CorpDec 2008 · 19 co-filers

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