Investor · Riverdale, MD

Jim Buck

Open Jim in the network graph →

Filings

24

SEC Form D

Connections

115

co-filers

Capital

$9.7M

across filings

Active

Jul 2018

to Aug 2022

Most-connected co-filers (115)

Larry Tiffany · Riverdale, MD5 shared Rich Vincent · Riverdale, MD5 shared Sungkun Lee · Miami, FL4 shared J. A. Betts · PLYMOUTH, MN3 shared Hugh D. Craigie Halkett · By Ratho, United Kingdom3 shared Daniel Pelak · Aliso Viejo, CA3 shared Jonathan Stone · New York, NY3 shared Antoine P. Colaco · New York, NY3 shared Phillip Moran · Atlanta, GA3 shared Paul De Quant · Grand Cayman, Cayman Islands3 shared Kristian D. Andersen · Indianapolis, IN3 shared David Leblanc · Charlotte, NC3 shared Navneet Aron · LOS ALTOS, CA3 shared William C. Cozart · RALEIGH, NC3 shared Matthew Dowling · Riverdale, MD3 shared Serge R. Martinod, Dvm, Phd · Groton, CT3 shared Scott P. Sobel · New York, NY3 shared Richard W. Horn · Indianapolis, IN3 shared Michael P. Nicklas · New York, NY3 shared Michael I. Stokes · St Peter Port, Y73 shared David Hill · Charlotte, NC3 shared Darell .. Zink · Indianapolis, IN3 shared Christopher Whidden · Captian Cook, HI3 shared Ramesh Alur · PLYMOUTH, MN3 shared

Recent filings (24)

Harborstone Credit UnionSep 2025 · 27 co-filers$20.0M Harborstone Credit UnionSep 2025 · 27 co-filers$20.0M DOOR Ventures Inc.Aug 2025 · 15 co-filers$3.0M Medcura, Inc.Jul 2025 · 14 co-filers$38.3M Medcura, Inc.Jul 2025 · 14 co-filers$38.3M Allied Corp.Aug 2024 · 11 co-filers$500K Allied Corp.Aug 2024 · 11 co-filers$600K Medcura, Inc.Jul 2024 · 14 co-filers$22.8M Medcura, Inc.Jul 2024 · 14 co-filers$22.8M Rock Hill Commerce Center Holdings Phase II, L.L.C.Jun 2023 · 7 co-filers$9.9M DOOR Ventures Inc.Oct 2022 · 13 co-filers$1.5M 65 Commerce West Industrial Holdings, L.L.C.Oct 2022 · 7 co-filers$29.4M 77 Commerce Land Investor Holdings, L.L.C.Oct 2022 · 7 co-filers$10.8M Medcura, Inc.Aug 2022 · 11 co-filers$5.6M Medcura, Inc.Nov 2021 · 11 co-filers$5.8M Medcura, Inc.Sep 2020 · 13 co-filers$5.0M section.io IncMar 2020 · 8 co-filers$6.5M CALVIRI INCMar 2020 · 17 co-filers$2.3M CALVIRI INCJan 2019 · 17 co-filers$2.3M section.io IncJan 2019 · 8 co-filers$45K section.io IncJul 2018 · 7 co-filers$5.5M gel-e, Inc.Jul 2018 · 6 co-filers$2.5M Mardil, Inc.Jan 2017 · 12 co-filers$5.0M Mardil, Inc.Jan 2017 · 12 co-filers$5.0M Mardil, Inc.Jan 2017 · 12 co-filers$5.0M

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