Investor · Ames, IA
Eric C. Harweger
Open Eric in the network graph →Filings
39
SEC Form D
Connections
111
co-filers
Capital
$10.7M
across filings
Active
Mar 2021
to Sep 2025
Most-connected co-filers (111)
Dillon C. Hurd · Ames, IA15 sharedKurt C. Rosentrater · Huxley, IA14 sharedJoel Mezistrano · Mercer Island, WA11 sharedBrian C. Porter · Des Moines, IA11 sharedDarin Phillips · Montgomery, AL11 sharedDavid C. Furbush · Traverse City, MI11 sharedStephen Lyford · San Diego, CA11 sharedCharles Ju · San Francisco, CA11 sharedTheodore Woo · Miami Beach, FL10 sharedMarc Chalfin · Miami Beach, FL10 sharedDavid R. Phaup · Edwardsville, IL10 sharedChris Mctammany · Nashville, TN9 sharedBrittany Arnason · Post Falls, ID9 sharedSteven C. Brockshus · Des Moines, IA9 sharedGerard M. Hayden, Jr · Nashville, TN8 sharedSergio Duron · La Jolla, CA8 sharedMark S. Rosen · Morristown, NJ8 sharedSanford Madigan · La Jolla, CA8 sharedRegan Bozman · San Francisco, CA8 sharedTighe Reardon · La Jolla, CA8 sharedShelley Chu · La Jolla, CA8 sharedMarcos Milla · La Jolla, CA8 sharedJay Lichter · La Jolla, CA8 sharedChristopher Rand · Little Rock, AR8 shared
Recent filings (39)
Enlaza Therapeutics, Inc.Sep 2025 · 23 co-filers$15.0MMartis Partners IV Three Oaks Co-Invest, LPMar 2025 · 8 co-filersEnlaza Therapeutics, Inc.Aug 2024 · 23 co-filers$110.0MHaber Technologies, Inc.Apr 2023 · 20 co-filers$2.0MHaber Technologies, Inc.Feb 2023 · 20 co-filers$2.0MMartis Partners IV, LPDec 2022 · 13 co-filersATLANTIC STREET CAPITAL V, LPNov 2022 · 8 co-filers$750.0MEnlaza Therapeutics, Inc.Nov 2022 · 20 co-filers$61.3MEnlaza Therapeutics, Inc.Oct 2022 · 20 co-filersEnlaza Therapeutics, Inc.Oct 2022 · 20 co-filers$312KMartis Partners IV Alcanza Co-Invest, LPApr 2022 · 13 co-filers$49.0MATLANTIC STREET CAPITAL V, LPApr 2022 · 11 co-filers$950.0MHaber Technologies, Inc.Feb 2022 · 17 co-filers$1.8MEndurance Gold CorpFeb 2022 · 17 co-filers$2.0MHaber Technologies, Inc.Feb 2022 · 17 co-filers$5.0MHaber Technologies, Inc.Feb 2022 · 20 co-filers$5.0MHaber Technologies, Inc.Feb 2022 · 20 co-filers$1.8MHaber Technologies, Inc.Jan 2022 · 20 co-filers$5.0MATLANTIC STREET CAPITAL V, LPDec 2021 · 11 co-filers$345.6MMartis Partners IV, LPDec 2021 · 13 co-filers$700.0MATLANTIC STREET CAPITAL V, LPNov 2021 · 11 co-filers$245.1MEnlaza Therapeutics, Inc.Aug 2021 · 20 co-filersEnlaza Therapeutics, Inc.Jun 2021 · 20 co-filersEnlaza Therapeutics, Inc.Mar 2021 · 20 co-filers$21.3MEndurance Gold CorpMar 2021 · 17 co-filers$1.5M
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Eric in the interactive graph →