Investor · New York, NY
Stephen S. Ramsthaler
Open Stephen in the network graph →Filings
29
SEC Form D
Connections
96
co-filers
Capital
$4.6B
across filings
Active
Jun 2018
to Oct 2025
Most-connected co-filers (96)
Joshua S. Blaine · New York, NY19 sharedLory Ajamian · Montreal, Z419 sharedByron N. Smith · Nashville, TN19 sharedDavid J. Corey · New York, NY19 sharedVerdun S. Perry · New York, NY19 sharedRaymond M. Kanner · New York, NY13 sharedPeter S. Song · New York, NY13 sharedSophia D. Dilbert · Camana Bay, Cayman Islands13 sharedDavid R. Fox · New York, NY13 sharedWilliam M. Kelly · New York, NY13 sharedKevin J. Lathrop · SALT LAKE CITY, UT13 sharedJameson L. Mones · New York, NY13 sharedPeter Birch · Chatham, Ontario, Canada10 sharedErin S. Osborn · Cambridge, MA10 sharedJami S. O'Toole · Cambridge, MA10 sharedEdward S. Rayner · Cambridge, MA10 sharedVinay S. Mohta · Cambridge, MA10 sharedRichard A. Schaffzin · Mountain View, CA9 sharedTrafelet & Company Advisors, LLC · New York, NY9 sharedDavid H. Symons · New York, NY9 sharedGrady Collins · Austin, TX8 sharedCorey B. Siegel · Newton, MA8 sharedHerbert B. Stern · Palm Beach Gardens, FL8 sharedFrank B. Peabody · Newton, MA8 shared
Recent filings (29)
ECM Therapeutics, Inc.Oct 2025 · 20 co-filers$40.0MECM Therapeutics, Inc.May 2024 · 20 co-filers$30.0MECM Therapeutics, Inc.Jun 2023 · 20 co-filers$25.0MECM Therapeutics, Inc.Sep 2022 · 20 co-filers$20.0MStrategic Partners Real Estate VIII (LUX) SCSpApr 2022 · 22 co-filersStrategic Partners Real Estate VIII L.P.Apr 2022 · 19 co-filersStrategic Partners Offshore Real Estate VIII L.P.Apr 2022 · 18 co-filersStrategic Partners Feeder Real Estate VIII (LUX) SCSpApr 2022 · 22 co-filersSP Islanders Investors L.P.Jan 2022 · 16 co-filersSP Islanders Investors Feeder L.P.Jan 2022 · 15 co-filersStrategic Partners IX (Lux) SCSpOct 2021 · 22 co-filersStrategic Partners Feeder IX (Lux) SCSpOct 2021 · 22 co-filersStrategic Partners Offshore IX L.P.Oct 2021 · 18 co-filersStrategic Partners IX L.P.Oct 2021 · 19 co-filersStrategic Partners GP Solutions - I (Overage) L.P.Aug 2021 · 20 co-filersECM Therapeutics, Inc.Jul 2021 · 17 co-filers$15.0MStrategic Partners GP Solutions L.P.Jun 2021 · 20 co-filersStrategic Partners Offshore GP Solutions L.P.Jun 2021 · 18 co-filersStrategic Partners Infrastructure III L.P.Aug 2020 · 13 co-filers$2.8BStrategic Partners Offshore Infrastructure III L.P.Aug 2020 · 12 co-filers$1.7BStrategic Partners Infrastructure Feeder III (Lux) SCSpApr 2020 · 15 co-filersStrategic Partners Infrastructure III (Lux) SCSpApr 2020 · 15 co-filersStrategic Partners Infrastructure III L.P.Dec 2019 · 13 co-filersStrategic Partners Offshore Infrastructure III L.P.Dec 2019 · 12 co-filersECM Therapeutics, Inc.Sep 2019 · 11 co-filers$10.0M
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Stephen in the interactive graph →