Investor · West Lafayette, IN
Isaac Barchas
Open Isaac in the network graph →Filings
34
SEC Form D
Connections
142
co-filers
Capital
$32.1M
across filings
Active
Sep 2018
to May 2023
Most-connected co-filers (142)
Jim B. Graham · Austin, TX8 sharedYang Pan · New York, NY7 sharedHan Shen · Santa Clara, CA7 sharedBryan Bedard · La Jolla, CA6 sharedSunil Singhal, M.D · West Lafayette, IN5 sharedMaritz G. Theron · Luxembourg, Luxembourg5 sharedMarius Groke · Berlin, 2M5 sharedMarianne E. Spanos · Luxembourg, Luxembourg5 sharedMichael Greeley · Burlington, MA5 sharedStavros Apostolopoulos · Toronto, Ontario, Canada5 sharedJason Sawyer · Toronto, Ontario, Canada5 sharedRoger A. Le Tissier · St. Peter Port, Y75 sharedBenoni G. Dufour · Aspelt, Luxembourg5 sharedRichard L. Baum, Jr · Huntington, NY4 sharedJohn P. Sumrall · Kansas City, MO4 sharedDr. Jeannette Zu Furstenberg · Berlin, 2M4 sharedClaude Radoux · Luxembourg, Luxembourg4 sharedShannon B. Stuckenberg · Kansas City, MO4 sharedAriel L. Fainsod · Calgary, Alberta, Canada4 sharedJohn C. Loveless · St. Peter Port, Y74 sharedMandeep Mundae · London, United Kingdom4 sharedNigel R. Cameron · Kansas City, MO4 sharedJoseph L. Mcaleese · Cold Spring Harbor, NY4 sharedBrian L. Jacobsen · Chicago, IL4 shared
Recent filings (34)
Pelage Pharmaceuticals, Inc.Nov 2025 · 14 co-filers$120.0MSideGuide Technologies Inc.Jul 2025 · 9 co-filersSideGuide Technologies Inc.Jun 2025 · 5 co-filers$102KSideGuide Technologies Inc.Jun 2025 · 5 co-filers$890KSideGuide Technologies Inc.Jun 2025 · 5 co-filers$275KCOURAGE THERAPEUTICS, INC.May 2025 · 7 co-filers$10.5MCOURAGE THERAPEUTICS, INC.May 2025 · 7 co-filers$10.5MArsenal Bridge Venture IV, LPMay 2025 · 8 co-filers$495KArsenal Bridge Venture IV, LPMay 2025 · 8 co-filers$495KArsenal Bridge Venture III, LPApr 2025 · 8 co-filers$7.0MArsenal Bridge Venture III, LPApr 2025 · 8 co-filers$7.0MPelage Pharmaceuticals, Inc.Aug 2024 · 11 co-filers$14.0MSeedToB Opportunity Fund, LLCOct 2023 · 6 co-filers$15.0MTPG Asia VIII (C), L.P.Sep 2023 · 24 co-filersTPG Asia VIII (B), L.P.Jun 2023 · 22 co-filersTPG Asia VIII (A), L.P.Jun 2023 · 22 co-filersPelage Pharmaceuticals, Inc.Jun 2023 · 11 co-filers$16.7MMorphImmune Inc.May 2023 · 15 co-filers$15.0MArsenal Bridge Venture II-B, LLCMay 2023 · 7 co-filers$4.7MTetricus Inc.Aug 2022 · 5 co-filersTetricus Inc.Aug 2022 · 5 co-filersCamp4 Therapeutics CorpJun 2022 · 47 co-filersMorphImmune Inc.Feb 2022 · 11 co-filers$19.0MArsenal Bridge Venture II, LLCFeb 2022 · 7 co-filers$7.9MCaary Capital Ltd.Dec 2021 · 5 co-filers$500K
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Isaac in the interactive graph →