Investor · Grand Rapids, MI

Lonna Wiersma

Open Lonna in the network graph →

Filings

8

SEC Form D

Connections

71

co-filers

Capital

$165.0M

across filings

Active

Jul 2020

to Apr 2025

Most-connected co-filers (71)

Michelle Eldridge · Grand Rapids, MI4 shared Ian Fredericks · NORTHBROOK, IL4 shared David S. Lockhart · Menlo Park, CA4 shared Chris James · Boulder, CO4 shared Gunnar I. Nilsson · Toronto, Ontario, Canada4 shared Michael L. Ouellette · Toronto, Ontario, Canada4 shared Michael Price · Grand Rapids, MI4 shared James C. Withall · Toronto, Ontario, Canada3 shared Allen Miller · Greenwich, CT3 shared Jeffrey L. Karoly · Toronto, Ontario, Canada3 shared Jude A. Augusta · Salem, MA3 shared Ra S. Session Ii · Menlo Park, CA3 shared Benjamin Nortman · New York, NY3 shared Brian Finn · New York, NY2 shared Susan L. Milton · Toronto, Ontario, Canada2 shared Richard Ruffer · New York, NY2 shared Sandra D. Crane · London, United Kingdom2 shared Roy C. Bade · Scottsdale, AZ2 shared Ed Hurwitz · Cambridge, MA2 shared Clive D. Harris · Grand Cayman, Cayman Islands2 shared Marc P. Zimmet · Linthicum Heights, MD2 shared Michael G. Sutton · Toronto, Ontario, Canada2 shared Julie K. Hughes · Grand Cayman, Cayman Islands2 shared Ronald R. Reed · Washington, Washington, D.C.2 shared

Recent filings (8)

RUPERT RESOURCES LTDApr 2025 · 20 co-filers$11.7M RUPERT RESOURCES LTDAug 2024 · 20 co-filers$4.7M RUPERT RESOURCES LTDMar 2023 · 20 co-filers$8.9M MERCANTILE BANK CORPJan 2022 · 32 co-filers$90.0M MERCANTILE BANK CORPDec 2021 · 32 co-filers$75.0M Claim Genius, Inc.Oct 2021 · 9 co-filers$6.1M Claim Genius, Inc.Jul 2020 · 17 co-filers$5.5M RUPERT RESOURCES LTDJul 2020 · 20 co-filers$4.6M

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