Investor · SAN FRANCISCO, CA

William Oberndorf

Open William in the network graph →

Filings

17

SEC Form D

Connections

122

co-filers

Capital

$147.0M

across filings

Active

Dec 2018

to Jan 2023

Most-connected co-filers (122)

Mark Goines · New York, NY7 shared Jacob Flomenberg · SAN FRANCISCO, CA5 shared Jeff Schneble · SAN FRANCISCO, CA5 shared Roger Lee · Menlo Park, CA5 shared Steven M. Krausz · Menlo Park, CA5 shared Daniel Q. Friedland · San Francisco, CA4 shared Paul Sawaya · SAN FRANCISCO, CA4 shared William J. Patterson · MILL VALLEY, CA4 shared Brian Sefton · SUNNYVALE, CA3 shared Jessica N. Peltz · Denver, CO3 shared Katherine N. Beardsley · Denver, CO3 shared Jonathan J. Novak · Los Angeles, CA3 shared Bryan A. Pinsky · Woodland Hills, CA3 shared Russell Howard · SUNNYVALE, CA3 shared David Tze · SUNNYVALE, CA3 shared Stephanie Copeland · Steamboat Springs, CO3 shared Christopher P. Filiaggi · Jersey City, NJ3 shared Scott J. Schroeder · Cincinnati, OH3 shared Christopher Montgomery · Steamboat Springs, CO3 shared Michael C. Stein · London, United Kingdom3 shared Terri N. Fiedler · Houston, TX3 shared Ryan R. Toteja · Washington, Washington, D.C.3 shared Elizabeth B. Cropper · Houston, TX3 shared Shawn Bertini · Steamboat Springs, CO3 shared

Recent filings (17)

Aldaron Olive Co-Invest, LPMar 2026 · 1 co-filer AMERICAN GENERAL LIFE INSURANCE COFeb 2026 · 13 co-filers AMERICAN GENERAL LIFE INSURANCE COFeb 2026 · 13 co-filers United States Life Insurance Co in the City of New YorkNov 2025 · 18 co-filers Human Interest Inc.Jan 2023 · 27 co-filers$100.0M Human Interest Inc.May 2020 · 20 co-filers$45.0M AmplifiedAG, Inc.Mar 2020 · 22 co-filers$10.0M Carlyle SPQR Coinvestment, L.P.Mar 2020 · 17 co-filers Human Interest Inc.Mar 2020 · 20 co-filers$40.0M Carlyle Prime Coinvestment, L.P.Sep 2019 · 8 co-filers Carlyle Sabre Coinvestment, L.P.Jan 2019 · 16 co-filers AmplifiedAG, Inc.Dec 2018 · 20 co-filers$12.0M Carlyle Encore Coinvestment, L.P.Dec 2018 · 15 co-filers SPO PARTNERS II LPJan 2012 · 6 co-filers$2.0B Aggregates USA Holdings, LLCFeb 2010 · 5 co-filers$310.0M SAN FRANCISCO PARTNERS LPMar 2009 · 10 co-filers SF ADVISORY PARTNERS LPMar 2009 · 9 co-filers

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