Ledger.
Investor · Salem, MA

Mark Bertelsen

Open Mark in the network graph →
Filings
22
SEC Form D
Connections
85
co-filers
Capital
$1.2M
across filings
Active
Jul 2015
to Dec 2019

Most-connected co-filers (85)

Samir Addamine · Palo Alto, CA9 sharedWilliam Kiester · Salem, MA7 sharedBrian K. Klein · Bellevue, WA6 sharedMichael J. Keeler · Great Falls, VA6 sharedCarol Mcbride · NATIONAL CITY, CA6 sharedPattianne Folta · Salem, MA5 sharedLorens Attisha · NATIONAL CITY, CA5 sharedEd Welsh · Salem, MA5 sharedGopala Krishnan · Plano, TX4 sharedKutraleeshwaran V. Ramesh · Plano, TX4 sharedJordan Zumwalt · Roseville, CA4 sharedManivannan Shanmugam · Frisco, TX4 sharedClaude A. Genereux · Winnipeg, Manitoba, Canada4 sharedMatthew Kennell · Salem, MA4 sharedDavid B. Harney · Winnipeg, Manitoba, Canada4 sharedT. T. Ryan · Winnipeg, Manitoba, Canada4 sharedRobert Hill · Salem, MA4 sharedRudolph A. Tanzi · Woburn, MA4 sharedBilal Naved · Chicago, IL3 sharedHansa Capital Management LLC · St. Augustine, FL3 sharedChristos M. Cotsakos · New York, NY3 sharedElizabeth L. Reede · New York, NY3 sharedSakthivel Palani Gounder · Frisco, TX3 sharedJeannine L. Caruso · New York, NY3 shared

Recent filings (22)

Page Street Publishing CoJul 2025 · 17 co-filers$1.5MPage Street Publishing CoApr 2023 · 17 co-filers$750KGlyphic Redaction Software, Inc.Feb 2023 · 14 co-filers$223KNanban Ventures Abundance Fund LPFeb 2022 · 11 co-filers$100.0MGlyphic Redaction Software, Inc.Feb 2022 · 14 co-filers$355KNanban Ventures Ganga Fund LPFeb 2022 · 10 co-filers$100.0MVentures Abundance Fund LPJan 2022 · 11 co-filers$100.0MNanban Ventures AAA Fund LPJan 2022 · 11 co-filers$100.0MPage Street Publishing CoDec 2019 · 7 co-filers$800KPage Street Publishing CoDec 2019 · 7 co-filers$800KPage Street Publishing CoJan 2017 · 5 co-filers$650KPage Street Publishing CoJan 2017 · 5 co-filers$650KFollowAnalytics, Inc.May 2016 · 23 co-filers$13.2MPage Street Publishing CoJul 2015 · 8 co-filers$50KAVISENA, INCMar 2015 · 9 co-filers$517KFollowAnalytics, Inc.Mar 2015 · 17 co-filers$7.5MFollowAnalytics, Inc.Feb 2015 · 11 co-filers$3.9MCare Cam Innovations, LLCNov 2014 · 18 co-filers$2.4MAVISENA, INCNov 2014 · 9 co-filers$1.0MAVISENA, INCSep 2014 · 5 co-filers$517KAVISENA, INCMay 2014 · 5 co-filers$517KCare Cam Innovations, LLCJan 2013 · 4 co-filers$10.0MAVISENA, INCSep 2012 · 5 co-filers$2.4MAVISENA, INCMar 2011 · 6 co-filers$1.8M

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