Ledger.
Investor · Grand Rapids, MI

Brian Sikma

Open Brian in the network graph →
Filings
38
SEC Form D
Connections
80
co-filers
Capital
$1.1M
across filings
Active
May 2011
to Mar 2025

Most-connected co-filers (80)

Mark Spoolstra · Grand Rapids, MI27 sharedNeil Colgrove · Grand Rapids, MI18 sharedFrederick P. Jones · Dallas, TX15 sharedRichard Sadowski · Grand Rapids, MI13 sharedMichael J. Maggi · Houston, TX13 sharedFred Reyelts · Grand Rapids, MI13 sharedGlen R. Martin · BALTIMORE, MD10 sharedVikrant Raina · BOSTON, MA10 sharedMaxence J. Monot · Luxembourg, Luxembourg9 sharedAnthony Shippam · Wilmington, DE7 sharedKevan Fight · Atlanta, GA7 sharedKenneth M. Locke, Jr · Beaumont, TX7 sharedJoanne W. Fitzgerald · Luxembourg, Luxembourg7 sharedTimothy J. Madden · Peninsula, OH7 sharedInstaragf Asset Management Inc · Toronto, Ontario, Canada7 sharedGregory S. Harrison · Wilmington, DE7 sharedInstaragf Asset Management Inc · Toronto, Ontario, Canada7 sharedWilfred J. Hemker · Akron, OH7 sharedKeith D. Sernick · Garden City, NY7 sharedClarence H. Wagner, Jr · Tulsa, OK7 sharedBlake C. Goldring · Toronto, Ontario, Canada6 sharedGregory J. Smith · Toronto, Ontario, Canada6 sharedJudith G. Goldring · Toronto, Ontario, Canada6 sharedJohn G. Gort · Toronto, Ontario, Canada6 shared

Recent filings (38)

Advantage Health Properties, L.L.C.Mar 2025 · 14 co-filers$5.0MAdvantage Health Properties, L.L.C.Mar 2025 · 14 co-filers$5.0MAdvantage Health Properties, L.L.C.Feb 2024 · 14 co-filers$5.0MAdvantage Health Properties, L.L.C.Feb 2024 · 14 co-filers$5.0MAdvantage Health Properties, L.L.C.Mar 2023 · 14 co-filers$5.0MAdvantage Health Properties, L.L.C.Mar 2023 · 14 co-filers$5.0MAdvantage Health Properties, L.L.C.Mar 2022 · 14 co-filers$5.0MAdvantage Health Properties, L.L.C.Mar 2022 · 14 co-filers$5.0MSmithfield Trust CoOct 2021 · 23 co-filers$5.6MPerceptive Xontogeny Venture Fund II, LPMay 2021 · 4 co-filers$515.0MPerceptive Xontogeny Venture II SLP, LPMay 2021 · 4 co-filers$100.1MAdvantage Health Properties, L.L.C.Apr 2021 · 14 co-filers$5.0MAdvantage Health Properties, L.L.C.Mar 2020 · 14 co-filers$5.0MPerceptive Xontogeny Venture Fund, LPNov 2019 · 5 co-filers$200.0MInstarAGF Essential Infrastructure II (USD) LPOct 2019 · 19 co-filersInstarAGF Essential Infrastructure II (Co-Invest-USD) LPOct 2019 · 19 co-filersInstarAGF Essential Infrastructure II (USP - USD) LPOct 2019 · 19 co-filersPerceptive Xontogeny Venture Fund, LPNov 2018 · 5 co-filers$200.0MPerceptive Xontogeny Venture SLP, LPNov 2018 · 5 co-filersInstarAGF Essential Infrastructure II (Co-Invest-USD) LPNov 2018 · 19 co-filersInstarAGF Essential Infrastructure II (USD) LPNov 2018 · 19 co-filersInstarAGF Essential Infrastructure II (USP - USD) LPNov 2018 · 19 co-filersSEA Venture Capital Fund - Alung Note 2018 L.P.Nov 2018 · 8 co-filers$1.5MInstarAGF Essential Infrastructure (C-AIE) LPSep 2018 · 12 co-filers$72.0MFairwood Peninsula Energy CorpApr 2015 · 13 co-filers$29.7M

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