Investor · DALLAS, TX

Mark R. Whidby

Open Mark in the network graph →

Filings

16

SEC Form D

Connections

57

co-filers

Capital

$1.9M

across filings

Active

Feb 2021

to Mar 2026

Most-connected co-filers (57)

Richard R. Lee, Jr · DALLAS, TX14 shared Kailash Capital Group LLC · Charlotte, NC8 shared Oyster Angel Fund I, GP · Delray Beach, FL8 shared Jere Doyle · Delray Beach, FL6 shared George S. Hall · Washington, Washington, D.C.6 shared Brian M. Margulies · New York, NY5 shared Valeska C. Schroeder · EXTON, PA5 shared Christopher Power · Hawthorne, CA5 shared Tom Mavis · Princeton, NJ5 shared Mehdi A. Mahmud · New York, NY5 shared Robert F. Deutsch · New York, NY5 shared Melanie P. Dow · New York, NY5 shared Nina O. Shenker · New York, NY5 shared David P. O'Connor · New York, NY5 shared Lawrence R. Maffia · New York, NY5 shared Christopher C. Kiple · EXTON, PA3 shared Michael A. Luther · Omaha, NE3 shared First Eagle Holdings, Inc · New York, NY3 shared First Eagle Holdings, Inc · New York, NY3 shared First Eagle Holdings, Inc · New York, NY3 shared Chun P. Fong · New York, NY3 shared Syed Ali · San Francisco, CA2 shared William A. Luckey, Ii · DALLAS, TX2 shared Christopher J. Flynn · Boston, MA2 shared

Recent filings (16)

Oyster Angel Fund II, LPMar 2026 · 1 co-filer Oyster Angel Fund II, LPFeb 2025 · 5 co-filers FEPCF Founders Fund, L.P.Mar 2024 · 31 co-filers Oyster Angel Fund II, LPMar 2024 · 5 co-filers FEPCF Founders Fund, L.P.Jun 2023 · 31 co-filers Oyster Angel Fund II, LPMar 2023 · 5 co-filers FEIM Employee Partners, LLCMar 2023 · 17 co-filers LFC EQUITY PLUS TAIL PROTECTION FUND, LLCJan 2023 · 15 co-filers$100.0M Oyster Fund IV, LPJun 2022 · 5 co-filers Oyster Fund IV, LPMay 2022 · 5 co-filers Oyster Angel Fund II, LPFeb 2022 · 5 co-filers FEIM Employee Partners, LLCFeb 2022 · 17 co-filers LFC EQUITY PLUS TAIL PROTECTION FUND, LLCJan 2022 · 15 co-filers$100.0M Oyster Angel Fund III, LPFeb 2021 · 5 co-filers$4.6M Oyster Angel Fund II, LPFeb 2021 · 5 co-filers FEIM Employee Partners, LLCFeb 2021 · 17 co-filers

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