Ledger.
Investor · San Francisco, CA

Karl J. Houston

Open Karl in the network graph →
Filings
15
SEC Form D
Connections
78
co-filers
Capital
$90.2M
across filings
Active
Apr 2021
to Feb 2023

Most-connected co-filers (78)

Michael J. Underdown · San Francisco, CA11 sharedDavid J. Daigle · San Francisco, CA9 sharedEdmond G. Leung · San Francisco, CA9 sharedKhalid J. Abunaja · San Francisco, CA7 sharedKariann J. Alexander · San Francisco, CA5 sharedBryanne Leeming · BOSTON, MA4 sharedMatthew P. Carbone · San Francisco, CA4 sharedSatish Tadikonda · Princeton, MA4 sharedMatthew Bernardini · Westport, CT3 sharedKelly Rodriques · San Rafael, CA3 sharedMel Baiada · Westport, CT3 sharedGodfrey Baker · Westport, CT3 sharedWesley Tang-Wymer · Salem, MA3 sharedMichael Hudes · Westport, CT3 sharedFrank Mergenthaler · Westport, CT3 sharedSteve Kandetzke · Westport, CT3 sharedPaul Yablon · New York, NY3 sharedBarrett Johnston · SEATTLE, WA2 sharedZebediah Rice · San Rafael, CA2 sharedDavid B. Frazee · New York, NY2 sharedFergus Sheridan · Douglas, Y82 sharedEric J. Bruun · Carmel, IN2 sharedEric Derheimer · Carmel, IN2 sharedBrian Kerr · Carmel, IN2 shared

Recent filings (15)

Crosstown Fiber Holdings LLCFeb 2025 · 20 co-filersCrosstown Fiber Holdings LLCFeb 2025 · 20 co-filersZenapse Inc.Jun 2024 · 20 co-filers$10.1MZenapse Inc.Apr 2024 · 20 co-filers$9.4MZenapse Inc.Feb 2024 · 20 co-filers$9.3MCrosstown Fiber Holdings LLCFeb 2024 · 19 co-filersCrosstown Fiber Holdings LLCFeb 2024 · 19 co-filersClarify Health Holdings LLCSep 2023 · 7 co-filersCrosstown Fiber Holdings LLCFeb 2023 · 20 co-filers$33.5MFleet Digital Alpha Fund, LPJan 2023 · 5 co-filersFleet Digital Alpha Fund, LPSep 2022 · 5 co-filersClarify Health Holdings LLCSep 2022 · 7 co-filersCrosstown Fiber Holdings LLCAug 2022 · 20 co-filers$109.4MLettermen's Energy Holdings, LLCJul 2021 · 17 co-filers$31.5MEcoSense Lighting Inc.Apr 2021 · 20 co-filers$39.1MLettermen's Energy Holdings, LLCApr 2021 · 17 co-filers$26.0MEcoSense Lighting Inc.Apr 2021 · 20 co-filers$35.0M

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