Investor · Littleton, CO

Mark Lemmons

Open Mark in the network graph →

Filings

26

SEC Form D

Connections

91

co-filers

Capital

$2.3M

across filings

Active

Nov 2016

to Mar 2019

Most-connected co-filers (91)

James Wenzel · Garden Ridge, TX13 shared Dave Frazier · Garden Ridge, TX13 shared James Rehlaender · New York, NY11 shared Austin R. Barnard · Miami, FL7 shared Jp A. Paquin · New York, NY7 shared Samuel Schreiber · Chilmark, MA7 shared Zhe C. Wang · Woburn, MA7 shared Shaoyong C. Hu · Woburn, MA7 shared Simon C. Robson · Woburn, MA7 shared Yan Wu C. Shang · Woburn, MA7 shared Qianye Karen C. Liu · Woburn, MA7 shared Mathew Lazarus · New York, NY7 shared Sean Stiefel · Redondo Beach, CA7 shared William Burns · McKinney, TX7 shared Brian Wallace · Denver, CO5 shared Jane Woodward · Palo Alto, CA4 shared Will Foiles · Denver, CO4 shared Margalit N. Erel · Jerusalem, L34 shared Andrew S. Goldwyn · Boca Raton, FL4 shared Lynne S. Mathews · Boca Raton, FL4 shared Jeffrey T. Diehl · Chicago, IL4 shared Edward Y. Albert, Jr · Boca Raton, FL4 shared Kevin S. Little · Boca Raton, FL4 shared Adam Siegel · Washington, Washington, D.C.4 shared

Recent filings (26)

Avenue at Harbison NR, LLCNov 2025 · 13 co-filers$15.1M Avenue at Harbison NR, LLCOct 2025 · 13 co-filers$15.1M Purinomia Biotech, Inc.Jun 2024 · 14 co-filers$2.0M Purinomia Biotech, Inc.Nov 2023 · 14 co-filers$1.0M Purinomia Biotech, Inc.Apr 2023 · 14 co-filers$500K Purinomia Biotech, Inc.Jan 2023 · 14 co-filers$1.5M Purinomia Biotech, Inc.Jan 2022 · 14 co-filers$3.0M 7810 CALLAGHAN APARTMENTS, LLCDec 2021 · 12 co-filers$7.8M Health Advocates Network Holdings Corp.Oct 2021 · 13 co-filers$7.0M 6111 VANCE JACKSON, LLCApr 2021 · 10 co-filers$3.4M Shotzr, Inc.Apr 2021 · 5 co-filers$1.3M Shotzr, Inc.Apr 2021 · 5 co-filers$1.3M Purinomia Biotech, Inc.Feb 2021 · 14 co-filers$2.0M Purinomia Biotech, Inc.May 2020 · 14 co-filers$3.8M Health Advocates Network Holdings Corp.May 2020 · 11 co-filers$6.1M Health Advocates Network Holdings Corp.May 2020 · 11 co-filers$6.0M Health Advocates Network Holdings Corp.Apr 2020 · 11 co-filers$5.0M Shotzr, Inc.Mar 2019 · 8 co-filers$2.5M Shotzr, Inc.Oct 2017 · 8 co-filers$1.2M Impossible Objects, LLCOct 2017 · 8 co-filers$6.4M K2 Gold CorpJul 2017 · 9 co-filers$54K K2 Gold CorpNov 2016 · 12 co-filers$351K Impossible Objects, LLCNov 2016 · 8 co-filers$1.7M THOUGHT EQUITY MOTION INCAug 2011 · 15 co-filers$20.0M THOUGHT EQUITY MOTION INCJul 2009 · 17 co-filers$7.0M

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