Investor · Menlo Park, CA

Jonathan Waldstreicher

Open Jonathan in the network graph →

Filings

43

SEC Form D

Connections

209

co-filers

Capital

$70.0M

across filings

Active

Mar 2010

to Nov 2019

Most-connected co-filers (209)

Seth Harrison · New York, NY28 shared Matt S. Aune · Austin, TX6 shared Buddy Doyle · VANCOUVER, British Columbia, Canada5 shared Jill J. Buckley · Lexington, MA5 shared Gregory Webb · New York, NY5 shared Andrew Byrnes · Atlanta, GA5 shared Karunya Lakshmi · New York, NY5 shared Richard A. Perle · Lexington, MA5 shared Laurel J. Omert · Lexington, MA5 shared Michael D. Testa · Lexington, MA5 shared Ryan Rawson · Berkeley, CA5 shared Douglas E. Godshall · San Diego, CA5 shared Alex Newman · Berkeley, CA5 shared Yotam Mann · Brooklyn, NY5 shared Laura J. Daniels · Lexington, MA5 shared Stephen A. Eckert · Lexington, MA5 shared Andrew P. Dunham · Lexington, MA5 shared Eric J. Newman · Lexington, MA5 shared Michael Gregoire · New York, NY5 shared Robert J. Haime · Lexington, MA5 shared Eduardo P. Avayu · Lexington, MA5 shared William P. O'Neill · Lexington, MA5 shared Jonathan Seeber · Washington, Washington, D.C.5 shared Larry Biagini · New York, NY5 shared

Recent filings (43)

Galvanize Therapeutics, Inc.Sep 2025 · 13 co-filers$141.1M Galvanize Therapeutics, Inc.Sep 2025 · 13 co-filers$141.1M Hemanext Inc.Jan 2024 · 41 co-filers$10.0M Hemanext Inc.Nov 2023 · 41 co-filers$11.3M Hemanext Inc.Feb 2023 · 52 co-filers$15.0M Galvanize Therapeutics, Inc.Mar 2022 · 8 co-filers$4.0M Galvanize Therapeutics, Inc.Mar 2022 · 8 co-filers$2.0M CrossLiner, Inc.Feb 2022 · 10 co-filers$8.0M AG CSF PPR, LLCJan 2022 · 18 co-filers$125K Galaxy Medical, Inc.Nov 2021 · 5 co-filers$750K Hemanext Inc.Oct 2021 · 44 co-filers$59.5M Galaxy Medical, Inc.Oct 2021 · 5 co-filers$1.3M CrossLiner, Inc.Sep 2021 · 8 co-filers$800K Oblong, Inc.Jul 2021 · 11 co-filers$12.4M 33 Degrees Hotel Equities Holdings, LLCApr 2021 · 8 co-filers$28.8M Oblong, Inc.Dec 2020 · 14 co-filers$5.0M CrossLiner, Inc.Dec 2020 · 8 co-filers$1.0M Oblong, Inc.Oct 2020 · 16 co-filers$3.0M Galaxy Medical, Inc.Oct 2020 · 5 co-filers$18.0M Galvanize Therapeutics, Inc.Oct 2020 · 5 co-filers$16.1M Virtua Hotel Equities Holdings, LLCOct 2020 · 12 co-filers$5.0M Hemanext Inc.Oct 2020 · 40 co-filers$44.5M NormShield Inc.Oct 2020 · 13 co-filers$7.5M Galaxy Medical, Inc.Apr 2020 · 5 co-filers$5.0M Galavant Therapeutics, Inc.Apr 2020 · 3 co-filers$100K

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