Investor · Cambridge, MA
Daniel Geffken
Open Daniel in the network graph →Filings
65
SEC Form D
Connections
409
co-filers
Capital
$37.0M
across filings
Active
Sep 2018
to Sep 2023
Most-connected co-filers (409)
Robert Connelly · CAMBRIDGE, MA20 sharedRobert Ruffolo · Cambridge, MA12 sharedJulian Adams · Cambridge, MA12 sharedChristopher Haqq · Cambridge, MA12 sharedAnnette Matthies · Cambridge, MA11 sharedMichael Jaynes · Dallas, TX10 sharedDonald Braun · Dallas, TX10 sharedTammy J. Barber · GREENVILLE, SC10 sharedGerald "Jerry" L. Barber · GREENVILLE, SC10 sharedCarol Ashe · Cambridge, MA7 sharedSteven E. Hall · Cambridge, MA6 sharedCornelis Been · Cambridge, MA6 sharedIsaac Kohlberg · Cambridge, MA6 sharedRobert Carpenter · Cambridge, MA6 sharedClay Thorp · Malvern, PA6 sharedCarole Neuchterlein · Cambridge, MA5 sharedBernard J. Davitian · CAMBRIDGE, MA5 sharedBruce Booth · Cambridge, MA5 sharedDaphne Karydas · Cambridge, MA5 sharedBrian J. Pereira · Wakefield, MA5 sharedJobst T. Klemme · New York, NY4 sharedAndrew Stevenson · CAMBRIDGE, MA4 sharedDrew Whitson · MAHTOMEDI, MN4 sharedTaylor D. Davis · GREENVILLE, SC4 shared
Recent filings (65)
BarberWind Turbines, LLCSep 2023 · 5 co-filers$3.8MBarberWind Turbines, LLCSep 2023 · 5 co-filers$3.5MBarberWind Turbines, LLCJul 2023 · 5 co-filers$3.2MCalciMedica Subsidiary, Inc.Apr 2023 · 11 co-filers$10.3MCalciMedica, Inc.Apr 2023 · 26 co-filers$9.1MCalciMedica, Inc.Apr 2023 · 26 co-filers$9.1MCalciMedica Subsidiary, Inc.Apr 2023 · 11 co-filers$10.3MElicio Therapeutics, Inc.Nov 2022 · 27 co-filers$50.0MProMIS Neurosciences Inc.Oct 2022 · 23 co-filers$10.1MProMIS Neurosciences Inc.Oct 2022 · 23 co-filers$10.1MBarberWind Turbines, LLCSep 2022 · 5 co-filers$3.2MElicio Therapeutics, Inc.May 2022 · 25 co-filers$50.0MSTAQ Pharma, Inc.Dec 2021 · 24 co-filers$60.0MElicio Therapeutics, Inc.Nov 2021 · 26 co-filers$15.0MElicio Therapeutics, Inc.Nov 2021 · 26 co-filers$15.0MBolt Financial, Inc.Nov 2021 · 17 co-filers$63.6MElicio Therapeutics, Inc.Oct 2021 · 26 co-filers$15.0MBolt Financial, Inc.Oct 2021 · 17 co-filers$333.3MBolt Financial, Inc.Oct 2021 · 17 co-filers$61.6MProMIS Neurosciences Inc.Sep 2021 · 22 co-filers$24.7MProMIS Neurosciences Inc.Sep 2021 · 22 co-filers$24.7MBarberWind Turbines, LLCJun 2021 · 5 co-filers$2.6MPro Compression Investment, LLCMar 2021 · 18 co-filers$4.9MSTAQ Pharma, Inc.Jan 2021 · 24 co-filers$60.0MBolt Financial, Inc.Jan 2021 · 13 co-filers$97.0M
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Daniel in the interactive graph →