Investor · Santa Barbara, CA

Martin S. Whittaker

Open Martin in the network graph →

Filings

17

SEC Form D

Connections

48

co-filers

Capital

$6.7M

across filings

Active

Aug 2021

to Sep 2025

Most-connected co-filers (48)

Peter S. Georgescu · Santa Barbara, CA9 shared Robert S. Fornaro · Santa Barbara, CA9 shared Viviana A. Gonzalez · Santa Barbara, CA9 shared James P. Wisecup · Santa Barbara, CA9 shared Rinaldo S. Brutoco · Santa Barbara, CA9 shared Jose A. Gurria · Santa Barbara, CA9 shared Marie S. Case · Santa Barbara, CA9 shared Michelle R. Dimaio · Pendleton, SC8 shared Terry V. Gittens · Christ Church, C88 shared Twin Lions Management LLC · New York, NY8 shared Kevin Leary · Reno, NV8 shared Lydie Bini · Howald, Luxembourg8 shared Luc Leroi · Bridel, Luxembourg8 shared Michael A. Pfeffer · New York, NY8 shared Burke Atkerson · Colorado Springs, CO8 shared Ryan Bone · Menlo Park, CA8 shared Lee Wittlinger · Menlo Park, CA8 shared Bennett Thomas · Chadds Ford, PA8 shared Jeffrey R. Dimaio · Pendleton, SC8 shared Ralph W. Kittle, Iii · Greenwich, CT8 shared Joseph W. Westreich · Greenwich, CT8 shared Zina A. Besse · SAN DIEGO, CA8 shared Gregory Morrison · New York, NY8 shared Joseph E. Pedroza · Vista, CA8 shared

Recent filings (17)

ARTHEDGE CAPITAL PARTNERS LPSep 2025 · 7 co-filers ARTHEDGE CAPITAL PARTNERS LPSep 2024 · 7 co-filers H2 Clipper, Inc.Nov 2023 · 26 co-filers$2.0M H2 Clipper, Inc.Oct 2023 · 19 co-filers$4.8M H2 Clipper, Inc.Oct 2023 · 19 co-filers$4.8M ARTHEDGE CAPITAL PARTNERS LPSep 2023 · 7 co-filers ARTHEDGE CAPITAL PARTNERS LPSep 2023 · 7 co-filers Say Less Please LLCAug 2023 · 10 co-filers$600K H2 Clipper, Inc.Jun 2023 · 29 co-filers$2.0M H2 Clipper, Inc.May 2023 · 29 co-filers$2.0M H2 Clipper, Inc.Apr 2023 · 29 co-filers$2.0M H2 Clipper, Inc.Apr 2023 · 29 co-filers$2.0M H2 Clipper, Inc.Mar 2023 · 29 co-filers$2.0M H2 Clipper, Inc.Dec 2022 · 29 co-filers$2.0M H2 Clipper, Inc.Nov 2022 · 29 co-filers$2.0M ARTHEDGE CAPITAL PARTNERS LPOct 2022 · 7 co-filers UnderTow Enterprises, LLCAug 2021 · 8 co-filers$1.5M ARTHEDGE CAPITAL PARTNERS LPAug 2021 · 7 co-filers

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