Investor · Boston, MA
John Harris
Open John in the network graph →Filings
79
SEC Form D
Connections
411
co-filers
Capital
$117.9M
across filings
Active
May 2009
to Feb 2026
Most-connected co-filers (411)
David R. Seiler · Madison, WI9 sharedHans S. Hickler · Boca Raton, FL9 sharedPhillip Weicker · Garden Grove, CA8 sharedNavroze Mehta · Boca Raton, FL8 sharedDennis Becker · Chandler, AZ7 sharedDoug Schneider · LIBERTY LAKE, WA7 sharedEdward G. Sloane, Jr · Madison, WI7 sharedCarol P. Sanders · Madison, WI7 sharedDaniel S. Ovokaitys · Madison, WI7 sharedCorey A. Chambas · Madison, WI7 sharedWilliam Eberts · Garden Grove, CA6 sharedKevin J. Caponecchi · Leawood, KS6 sharedSheldon Nelson · KELOWNA, British Columbia, Canada6 sharedM. J. Strandjord · Leawood, KS6 sharedEriberto R. Scocimara · Leawood, KS6 sharedGerald L. Kilcoyne · Madison, WI6 sharedMark D. Bugher · Madison, WI6 sharedWarren C. Lau · Montclair, NJ5 sharedAndrew N. Firlik · San Francisco, CA5 sharedSamuel Glassenberg · Evanston, IL5 sharedJan P. Eddy · Madison, WI5 sharedJames W. Broderick · Waltham, MA5 sharedEdward R. Kabala · Pittsburgh, PA4 sharedBarbara C. Simard · Pittsburgh, PA4 shared
Recent filings (79)
KLOWEN BRACES, INC.Feb 2026 · 7 co-filers$11.0MVivakor, Inc.Jun 2025 · 9 co-filers$5.0MVivakor, Inc.Jun 2025 · 9 co-filers$5.0MHarbinger Motors Inc.Jan 2025 · 6 co-filers$96.3MVerdane Yellow Garden Invest (D) ABDec 2024 · 5 co-filers$58.6MKLOWEN BRACES, INC.Oct 2024 · 8 co-filers$26.1MHarbinger Motors Inc.Oct 2024 · 7 co-filers$84.8MHarbinger Motors Inc.Oct 2024 · 7 co-filers$84.8MFIRST BUSINESS FINANCIAL SERVICES, INC.Sep 2024 · 33 co-filers$20.0MFIRST BUSINESS FINANCIAL SERVICES, INC.Sep 2024 · 33 co-filers$20.0MHarbinger Motors Inc.Sep 2024 · 5 co-filers$75.0MFIRST BUSINESS FINANCIAL SERVICES, INC.Oct 2023 · 51 co-filers$15.0MHarbinger Motors Inc.Nov 2022 · 10 co-filers$10.0MKLOWEN BRACES, INC.May 2022 · 11 co-filers$10.5MKLOWEN BRACES, INC.May 2022 · 11 co-filers$10.5MElectron Transport Inc.Mar 2022 · 8 co-filers$15.0MFIRST BUSINESS FINANCIAL SERVICES, INC.Mar 2022 · 60 co-filers$12.5MFIRST BUSINESS FINANCIAL SERVICES, INC.Mar 2022 · 60 co-filers$20.0MElectron Transport Inc.Jan 2022 · 5 co-filers$28.2MElectron Transport Inc.Jan 2022 · 5 co-filers$28.2MStirlingshire Investments, Inc.Dec 2021 · 2 co-filersAristea Therapeutics, Inc.Aug 2021 · 13 co-filers$63.1MKLOWEN BRACES, INC.Mar 2021 · 9 co-filers$6.0MKLOWEN BRACES, INC.Mar 2021 · 9 co-filers$6.0MStirlingshire Investments, Inc.Oct 2020 · 2 co-filers
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See John in the interactive graph →