Investor · New York, NY
Mark Lessing
Open Mark in the network graph →Filings
201
SEC Form D
Connections
173
co-filers
Capital
$20.0B
across filings
Active
Jul 2019
to Dec 2024
Most-connected co-filers (173)
Deven Parekh · New York, NY149 sharedBlair Flicker · New York, NY144 sharedJeffrey Horing · New York, NY143 sharedAndrew B. Prodromos · New York, NY127 sharedSteven C. Young · Delafield, WI98 sharedMike Spadafore · NEW YORK, NY98 sharedJohn B. Weinstein · New York, NY75 sharedTaylor B. Thompson · New York, NY71 sharedIan Sandler · New York, NY70 sharedRoss Devor · NEW YORK, NY38 sharedMark E. Woodward · Foster City, CA32 sharedJason Fritton · Marina Del Rey, CA27 sharedGordon B. Loftin · Huntsville, AL27 sharedAdam J. Berger · New York, NY24 sharedCharles A. Omage · Dallas, TX23 sharedBharat A. Sangani · Plano, TX23 sharedPatrick J. Barber · Dallas, TX22 sharedPiper Miles-Coccaro · New York, NY16 sharedPaul R. Castella · San Antonio, TX14 sharedLaurence Schreiber · New York, NY12 sharedBrennan E. Hughes · Denver, CO12 sharedTal Keinan · New York, NY12 sharedJonathan Silber · New York, NY12 sharedDavid Steinhardt · New York, NY12 shared
Recent filings (201)
ZF Topco Partnership, L.P.Aug 2025 · 16 co-filersZF Topco Partnership, L.P.Aug 2025 · 16 co-filersInsight Partners Opportunities Fund II (Co-Investors), L.P.Dec 2024 · 7 co-filersInsight Partners (Delaware) XIII, L.P.Aug 2024 · 6 co-filersInsight Partners (EU) XIII Growth Buyout Fund, S.C.SpAug 2024 · 13 co-filersInsight Partners (EU) XIII, S.C.SpAug 2024 · 13 co-filersInsight Partners XIII (Co-Investors), L.P.Aug 2024 · 6 co-filersInsight Partners XIII Growth Buyout Fund (Class A), L.P.Aug 2024 · 6 co-filersInsight Partners XIII (Class A), L.P.Aug 2024 · 6 co-filersInsight Partners (Delaware) XIII Growth Buyout Fund, L.P.Aug 2024 · 6 co-filersInsight Partners XIII Growth Buyout Fund (Co-Investors) (B), L.P.Aug 2024 · 6 co-filersInsight Partners XIII Growth Buyout Fund, L.P.Aug 2024 · 6 co-filersInsight Partners (Cayman) XIII, L.P.Aug 2024 · 6 co-filersInsight Partners XIII (Co-Investors) (B), L.P.Aug 2024 · 6 co-filersInsight Partners (Cayman) XIII Growth Buyout Fund, L.P.Aug 2024 · 6 co-filersInsight Partners XIII Growth Buyout Fund (Co-Investors), L.P.Aug 2024 · 6 co-filersInsight Partners XIII, L.P.Aug 2024 · 6 co-filersInsight Partners Continuation Fund III, L.P.Jul 2024 · 6 co-filersInsight Partners Continuation Fund III (Class A), L.P.Jul 2024 · 6 co-filersInsight Partners Private Investors (Cayman) XIII, L.P.May 2024 · 23 co-filersInsight Partners Private Investors XIII, L.P.May 2024 · 22 co-filersInsight Partners Fund XI Follow-On Fund, L.P.Mar 2024 · 6 co-filersInsight Partners Fund XI (Co-Investors) Follow-On Fund, L.P.Mar 2024 · 6 co-filersInsight Partners Fund XI Follow-On Fund (Class A), L.P.Mar 2024 · 6 co-filersInsight Partners Fund XI (Cayman) Follow-On Fund, L.P.Mar 2024 · 6 co-filers
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Mark in the interactive graph →