Investor · Baltimore, MD

Mark Lerner

Open Mark in the network graph →

Filings

46

SEC Form D

Connections

106

co-filers

Capital

$4.0B

across filings

Active

Dec 2017

to Dec 2025

Most-connected co-filers (106)

Traci Lerner · Baltimore, MD34 shared Scott Mccorkle · Indianapolis, IN6 shared Ryan Engel · NEW YORK, NY6 shared Lawrence Lepard · Vancouver, British Columbia, Canada5 shared Chesapeake Partners Management Co., Inc · Baltimore, MD5 shared Chesapeake Partners Management Co., Inc · Baltimore, MD5 shared Chesapeake Partners Management Co., Inc · Baltimore, MD5 shared Brandon Nielson · San Ramon, CA5 shared David Seeburger · Houston, TX4 shared Kevin S. Kratiuk · Toronto, Ontario, Canada4 shared Peter M. Decomo · Pittsburgh, PA4 shared Zach N. Samet · Houston, TX4 shared Joe Lonsdale · San Francisco, CA4 shared Jerry S. Habuda · Toronto, Ontario, Canada4 shared Bryan N. Brown · Pittsburgh, PA4 shared Betsy Atkins · New York, NY4 shared Roger S. Mcintyre · Toronto, Ontario, Canada4 shared Robert J. Philbin · Wayzata, MN4 shared Peter S. Rizakos · Toronto, Ontario, Canada4 shared Ron K. Rogozinski · New York, NY4 shared Olga S. Cwiek · Toronto, Ontario, Canada3 shared Scott .. Dorsey · Indianapolis, IN3 shared Joshua S. Rosenblat · Toronto, Ontario, Canada3 shared Jeffrey N. Kaplan · Houston, TX3 shared

Recent filings (46)

Chescaplq LLCDec 2025 · 1 co-filer Chescappvt Fund I LLCAug 2025 · 5 co-filers Chescappvt Fund I LLCAug 2025 · 5 co-filers MetaCX, Inc.Aug 2025 · 14 co-filers MetaCX, Inc.Jul 2025 · 14 co-filers MetaCX, Inc.Jul 2025 · 14 co-filers Chescaplq LLCDec 2024 · 2 co-filers CHESCAPPVT FUND H LLCJun 2024 · 5 co-filers CHESCAPPVT FUND H LLCJun 2024 · 5 co-filers Braxia Scientific Corp.Mar 2024 · 26 co-filers$730K Ernest Energy, Inc.Jan 2024 · 11 co-filers$6.7M Ernest Energy, Inc.Jan 2024 · 11 co-filers$13.4M Chescappvt Fund G LLCJan 2024 · 5 co-filers Chescappvt Fund G LLCJan 2024 · 5 co-filers Chescappvt LLCDec 2023 · 1 co-filer Chescaplq LLCDec 2023 · 1 co-filer MetaCX, Inc.Aug 2023 · 6 co-filers$8.0M Braxia Scientific Corp.Aug 2023 · 14 co-filers$2.3M Braxia Scientific Corp.Mar 2023 · 26 co-filers$730K Chescappvt LLCDec 2022 · 1 co-filer Chescaplq LLCDec 2022 · 1 co-filer MetaCX, Inc.Nov 2022 · 6 co-filers$850K MetaCX, Inc.Aug 2022 · 6 co-filers$5.1M Braxia Scientific Corp.Aug 2022 · 20 co-filers$2.3M Chescaplq LLCDec 2021 · 1 co-filer

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