Investor · Tempe, AZ

David Langer

Open David in the network graph →

Filings

16

SEC Form D

Connections

56

co-filers

Capital

$100.0M

across filings

Active

Jan 2023

to Nov 2025

Most-connected co-filers (56)

Joseph A. Lanasa Iii · New York, NY11 shared Fionan Breathnach · Dublin 2, Ireland10 shared Amir J. Golgiri · RICHMOND, VA10 shared James Hodges · Tempe, AZ8 shared Jeffrey Hinck · Denver, CO7 shared Matthew A'Hearn · San Francisco, CA7 shared Michael G. Pugatch · Boston, MA7 shared Mikyle Jessen · Mount Pleasaant, SC7 shared Carlos J. Rodriguez, Sr · Coral Gables, FL7 shared Tore Steen · Dallas, TX7 shared Joshua Friedman · Denver, CO7 shared Philip Koen · Denver, CO7 shared Brian Cox · Denver, CO7 shared Lauren Sullivan · Denver, CO7 shared David W. Boral · NEW YORK, NY7 shared Robert Hartog · Denver, CO6 shared Sean Ivery · Denver, CO6 shared Nicholas Huber · Westport, CT6 shared Daniel Stahl · Miami, FL6 shared Brock Noland · Minneapolis, MN6 shared Justin Kaufenberg · Minneapolis, MN6 shared Theodore S. Kokernak · LOS ALTOS, CA5 shared Micah Cabagbag · Atlanta, GA5 shared Todd C. Bendell · TEMPE, AZ4 shared

Recent filings (16)

Amphibian BTC Alpha Fund, LPNov 2025 · 13 co-filers Amphibian BTC Alpha Fund, LPNov 2025 · 13 co-filers DarioHealth Corp.Oct 2025 · 24 co-filers$17.5M Amphibian ETH Alpha Fund, LPJun 2025 · 14 co-filers Amphibian ETH Alpha Fund, LPJun 2025 · 14 co-filers Amphibian USD Alpha Fund, LPJun 2025 · 14 co-filers Amphibian USD Alpha Fund, LPJun 2025 · 14 co-filers STACK NVA HOLDINGS REIT, LLCJan 2025 · 18 co-filers$125K STACK INFRASTRUCTURE USA III FOREIGN, LLCJan 2025 · 20 co-filers$125K STACK INNOVATION HOLDINGS REIT, LLCJan 2025 · 20 co-filers$125K DarioHealth Corp.Jan 2025 · 26 co-filers$6.8M DarioHealth Corp.Jan 2025 · 26 co-filers$18.8M Amphibian GP LLCOct 2024 · 3 co-filers Stack AVD Parent Holdings REIT, LLCJan 2024 · 20 co-filers$125K SI ATL02A REIT, LLCJan 2024 · 20 co-filers$125K Slate Bio, Inc.May 2023 · 14 co-filers$3.0M STACK Portland Holdings REIT LLCJan 2023 · 20 co-filers$125K STACK Infrastructure USA III, LLCJan 2023 · 20 co-filers$125K Slate Bio, Inc.Jan 2023 · 14 co-filers$2.0M

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