Investor · Boston, MA

Michael Langer

Open Michael in the network graph →

Filings

9

SEC Form D

Connections

12

co-filers

Capital

$183.1M

across filings

Active

Jul 2022

to Sep 2025

Most-connected co-filers (12)

Kwesi Frimpong-Boateng · Boston, MA5 shared T. Rx Capital Fund I Gp, Llc · Boston, MA3 shared Arne C. Jaedicke · San Francisco, CA3 shared Sitar C. Teli · San Francisco, CA3 shared T. Rx Capital Fund I Gp, Llc · Boston, MA3 shared Michael Langer · Boston, MA3 shared OneFund Investments, LLC · San Francisco, CA2 shared Raymond M. Larson · PROVO, UT2 shared Raymond Hightower · Phoenix, AZ2 shared Gregory Butcher · Phoenix, AZ2 shared Adrian Diaz · Phoenix, AZ2 shared Colby Fryar · Phoenix, AZ2 shared

Recent filings (9)

T.Rx Capital Fund I, LPSep 2025 · 7 co-filers$175.0M T.Rx Capital Fund I, LPFeb 2025 · 7 co-filers$175.0M MIDTOWN ARC PARTERS LLCJan 2025 · 11 co-filers$8.0M MIDTOWN ARC PARTERS LLCFeb 2024 · 11 co-filers$8.0M T.Rx Capital Fund I, LPFeb 2024 · 7 co-filers$175.0M

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