Investor · Palo Alto, CA

Jack B. Lucas

Open Jack in the network graph →

Filings

36

SEC Form D

Connections

72

co-filers

Capital

$15.4M

across filings

Active

Jan 2022

to Mar 2026

Most-connected co-filers (72)

Sarah H. Lucas · Palo Alto, CA27 shared Lvg GP Viii, LLC · Palo Alto, CA11 shared Michael O'Connor · San Francisco, CA10 shared Tina Raja · NEW YORK, NY10 shared Cay Freihofer · Charlotte, NC7 shared Sssf GP, LLC · New York, NY7 shared John A. Henry · DALLAS, TX7 shared Theresa E. Sexton · Nashville, TN6 shared Taylor Mclemore · Denver, CO5 shared Kevin C. Lind · Cambridge, MA5 shared Gary C. Sender · Cambridge, MA5 shared Adam Zucker · Denver, CO5 shared Jon A. Pettee · DALLAS, TX5 shared Randolph A. Stuzin · Jersey City, NJ5 shared Jeffrey A. Yarckin · DALLAS, TX5 shared Salvatore N. Dona · Jersey City, NJ5 shared John N. Schaffer · Jersey City, NJ5 shared Jeremy Becker · Denver, CO5 shared Steven Zumbach · Iowa City, IA4 shared Daniel Cosgrove · Iowa City, IA4 shared Terry Branstad · Iowa City, IA4 shared Kevin Paul · Denver, CO4 shared Stephan N. Kuppenheimer · Jersey City, NJ4 shared John M. Ramey · Solana Beach, CA4 shared

Recent filings (36)

Moncayo Club LLCMar 2026 · 8 co-filers Inseer Inc.Mar 2026 · 5 co-filers$2.0M Inseer Inc.Oct 2025 · 17 co-filers$500K Inseer Inc.Jul 2025 · 17 co-filers$420K Lucas Venture Group XLIX, LLCJul 2025 · 7 co-filers$1.1M Lucas Venture Group XXIX, LLCJul 2025 · 7 co-filers$1.6M Lucas Venture Group XLIX, LLCJul 2025 · 7 co-filers$1.1M Lucas Venture Group XXIX, LLCJul 2025 · 7 co-filers$1.6M Lucas Venture Group XLVI, LLCJun 2025 · 7 co-filers$2.8M Lucas Venture Group XLVI, LLCJun 2025 · 7 co-filers$2.8M Lucas Venture Group L, LLCJun 2025 · 7 co-filers$1.5M Lucas Venture Group L, LLCJun 2025 · 7 co-filers$1.5M Lucas Venture Group XLIII, LLCMay 2025 · 7 co-filers$2.2M Lucas Venture Group XLIII, LLCMay 2025 · 7 co-filers$2.2M Engaged Citizen Inc.May 2025 · 14 co-filers$750K Inseer Inc.Apr 2025 · 17 co-filers$1.2M Lucas Venture Group XLV, LLCMar 2025 · 7 co-filers$2.5M Lucas Venture Group XLV, LLCMar 2025 · 7 co-filers$2.5M LCG2 INDUSTRIAL FUND I, LPJan 2025 · 6 co-filers Moncayo Club LLCJan 2025 · 22 co-filers$25.0M Lucas Venture Group XLVI, LLCSep 2024 · 7 co-filers$2.0M Lucas Venture Group XLVI, LLCSep 2024 · 7 co-filers$2.0M LCG2 INDUSTRIAL FUND I, LPAug 2024 · 8 co-filers$50.0M Lucas Venture Group XLVIII, LLCJul 2024 · 7 co-filers$1.0M Lucas Venture Group XLVIII, LLCJul 2024 · 7 co-filers$1.0M

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