Investor · Cambridge, MA

Peter Lee

Open Peter in the network graph →

Filings

32

SEC Form D

Connections

110

co-filers

Capital

$196.6M

across filings

Active

Apr 2010

to Feb 2026

Most-connected co-filers (110)

Edgar Kuipers · Rijswijk, P712 shared Kirt W. Montague · Redmond, WA11 shared Timothy K. Gonzalez · CHICAGO, IL9 shared Carlos Naudon · Bloomfield, CT9 shared Michael K. Kounnas · Austin, TX9 shared Marlena M. Casellini · CHICAGO, IL9 shared Rreef America, L.L.C · CHICAGO, IL9 shared James Sayre · San Mateo, CA8 shared Tom D'Agostino · San Antonio, TX7 shared Michiel Boersma · Oostebeck, P76 shared River Glen Private Capital, LLC · West Des Moines, IA6 shared Claude L. Gruen · CHICAGO, IL5 shared Ronald P. Bertasi · Redmond, WA5 shared Julie M. Ackerman · CHICAGO, IL5 shared Don Mann · Landenberg, PA5 shared Dewitt F. Bowman · CHICAGO, IL5 shared Lawrence Miller · Newton, MA5 shared Duncan L. Matteson · CHICAGO, IL5 shared Eric Larson · minnetonka, ME4 shared Philip R. Halpern · CHICAGO, IL4 shared Allison S. Davis · CHICAGO, IL4 shared Blake C. Eagle · CHICAGO, IL4 shared Charles A. Vose, Iii · Dallas, TX4 shared Nicholas C. Babson · CHICAGO, IL4 shared

Recent filings (32)

Machina Labs, Inc.Feb 2026 · 2 co-filers$52.6M ChemX Materials Ltd.Nov 2023 · 7 co-filers$1.4M ChemX Materials Ltd.Nov 2023 · 7 co-filers$1.4M Machina Labs, Inc.Oct 2023 · 7 co-filers$31.8M Machina Labs, Inc.Oct 2023 · 7 co-filers$31.8M Embark Ventures II, L.P.Jul 2023 · 3 co-filers$50.0M Embark Ventures II, L.P.Jul 2023 · 3 co-filers$50.0M Vector Biomed Inc.Dec 2022 · 5 co-filers$15.0M Vector Biomed Inc.Dec 2022 · 5 co-filers$15.0M Invetx, Inc.Apr 2022 · 9 co-filers$55.5M Invetx, Inc.Apr 2022 · 9 co-filers$55.5M Embark Ventures, L.P.Feb 2017 · 3 co-filers$50.0M Embark Ventures, L.P.Feb 2017 · 3 co-filers$50.0M Embark Ventures, L.P.Dec 2016 · 3 co-filers$50.0M Embark Ventures, L.P.Dec 2016 · 3 co-filers$50.0M RapidMiner, Inc.Dec 2015 · 14 co-filers$16.0M RapidMiner, Inc.Dec 2015 · 14 co-filers$16.0M PROMETHEUS ENERGY GROUP, INC.Jul 2012 · 10 co-filers$3.0M RREEF AMERICA REIT III INCMar 2012 · 16 co-filers RREEF America REIT II INCMar 2012 · 17 co-filers PROMETHEUS ENERGY GROUP, INC.Oct 2011 · 12 co-filers$6.0M Steel House, Inc.Sep 2011 · 4 co-filers$3.8M Steel House, Inc.Sep 2011 · 4 co-filers$3.8M PROMETHEUS ENERGY GROUP, INC.Jul 2011 · 13 co-filers$3.5M SOPOGY, INC.Jun 2011 · 9 co-filers$25.0M

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