Investor · Boston, MA

Daniel S. Weiss Pick

Open Daniel in the network graph →

Filings

13

SEC Form D

Connections

50

co-filers

Capital

$23.3M

across filings

Active

Dec 2018

to Sep 2025

Most-connected co-filers (50)

Alan S. Cross · Boston, MA12 shared David S. Barlow · Boston, MA7 shared Sreeni A. Prabhu · Atlanta, GA6 shared Jeffrey Batton · Bozeman, MT6 shared B.P. Martiuk · Grand Cayman, Cayman Islands5 shared Karl O'Reilly · Grand Cayman, Cayman Islands5 shared Steven Yari · Los Angeles, CA5 shared Stephen A. Foster · SAN FRANCISCO, CA5 shared Theo J. Robins · Palo Alto, CA5 shared Marc V. Teillon · SAN FRANCISCO, CA5 shared William Stoddart · BOZEMAN, MT5 shared Wesley Shifrin · Bozeman, MT5 shared Christine F. Jurinich · New York, NY5 shared Austin Smith · Bozeman, MT5 shared Adrian De Valois-Franklin · Toronto, Ontario, Canada5 shared Castle Ridge Ltd · Grand Cayman, Cayman Islands5 shared William F. Wagner · Boston, MA4 shared Christopher G. Carter · DALLAS, TX4 shared Jerry F. Rosenbaum · Boston, MA4 shared Jeff S. Troderman · Boston, MA4 shared Giada De Laurentiis · Los Angeles, CA4 shared Kyle A. Kuczynski · Reno, NV4 shared Phillip R. Mertz · Vancouver, British Columbia, Canada4 shared William P. Vernon · Reno, NV4 shared

Recent filings (13)

Psy Therapeutics, Inc.Sep 2025 · 20 co-filers$20.4M Psy Therapeutics, Inc.Aug 2024 · 20 co-filers$20.4M Psy Therapeutics, Inc.Aug 2023 · 17 co-filers$20.4M Psy Therapeutics, Inc.Dec 2021 · 17 co-filers$20.4M Sellout, Inc.Mar 2020 · 6 co-filers$250K Psy Therapeutics, Inc.Oct 2019 · 12 co-filers$4.3M HSP FDT LLCJun 2019 · 10 co-filers$750K HSP TOM LLCFeb 2019 · 11 co-filers$400K HSP SOI LLCDec 2018 · 11 co-filers$400K 1250 EYE ST Venture REIT LLCDec 2018 · 17 co-filers$125K Altamonte Venture REIT LLCDec 2018 · 17 co-filers$125K HSP EDC LLCDec 2018 · 11 co-filers$300K HSP MGF LLCDec 2018 · 11 co-filers$300K

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