Ledger.
Investor · GRAND CAYMAN, Cayman Islands

Mark A. Mugglestone

Open Mark in the network graph →
Filings
11
SEC Form D
Connections
52
co-filers
Capital
across filings
Active
Oct 2022
to Oct 2025

Most-connected co-filers (52)

John Wells · Grand Cayman, Cayman Islands6 sharedJarladth A. Travers · Grand Cayman, Cayman Islands6 sharedJarladth A. Travers · GRAND CAYMAN, Cayman Islands5 sharedClarkston Capital Partners, Llc · BLOOMFIELD HILLS, MI5 sharedJeffrey A. Hakala · BLOOMFIELD HILLS, MI5 sharedClarkston Capital Partners, Llc · BLOOMFIELD HILLS, MI5 sharedLoraine Daugherty · WEST PALM BEACH, FL4 sharedEliot Heller · ST. PETERSBURG, FL4 sharedKristin Greco · ST. PETERSBURG, FL4 sharedSean Mcnamara · St. Charles, IL4 sharedJohn J. D'Agostino · Camana Bay, Grand Cayman, Cayman Islands2 sharedManchester Management Company, L.L.C · Boston, MA2 sharedGoli Sheikholeslami · San Francisco, CA2 sharedAdam G. Seiver · Pittsburgh, PA2 sharedJennifer W. Collins · Grand Cayman, Cayman Islands2 sharedMichael Petronio · NEW YORK, NY2 sharedDavid J. Haffner · Pittsburgh, PA2 sharedJohn G. Kuzmishin · Pittsburgh, PA2 sharedAnne T. Raimondi · San Francisco, CA2 sharedPeter M. Decomo · Pittsburgh, PA2 sharedJack Conte · San Francisco, CA2 sharedSamuel Yam · San Francisco, CA2 sharedVanessa G. Gilman · Grand Cayman, Cayman Islands2 sharedRichard N. Costolo · San Francisco, CA2 shared

Recent filings (11)

Clarkston QV (Offshore) Ltd.Oct 2025 · 4 co-filersClarkston QV (Offshore) Ltd.Oct 2024 · 6 co-filersPatreon, Inc.Oct 2023 · 22 co-filers$10.6MClarkston QV (Offshore) Ltd.Oct 2023 · 4 co-filersClarkston QV (Offshore) Ltd.Oct 2022 · 4 co-filersClarkston QV (Offshore) Fund Ltd.Oct 2022 · 6 co-filersClarkston QV (Offshore) Fund Ltd.Oct 2022 · 6 co-filersLeadenhall Insurance Finance (Cayman) LtdSep 2022 · 11 co-filersLeadenhall Insurance Finance (Delaware) LPSep 2022 · 13 co-filersALUNG TECHNOLOGIES INCAug 2021 · 20 co-filers$12.0MALUNG TECHNOLOGIES INCMay 2021 · 20 co-filers$12.0MPatreon, Inc.May 2021 · 20 co-filers$155.0M

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