Investor · New York, NY

Mark D. Simmer

Open Mark in the network graph →

Filings

57

SEC Form D

Connections

182

co-filers

Capital

$109.9M

across filings

Active

Jun 2020

to Aug 2025

Most-connected co-filers (182)

Alex Bashan · New York, NY37 shared Andrew Jeffrey · STAMFORD, CT10 shared Jennifer B. Loo · Boulder, CO10 shared Steve B. Herschleb · Boulder, CO10 shared Adam Young · Arlington, VA10 shared Mark T. Torok · HOUSTON, TX10 shared Hillary V. Lehr · Chicago, IL9 shared Eric G. Garcia · Austin, TX9 shared Michael A. Weisbrot · Philadelphia, PA8 shared John D. Schaefer · Cleveland, OH7 shared Jeffrey B. Van Horn · San Francisco, CA7 shared Daniel R. O'Neill · San Francisco, CA7 shared Joseph P. Olszak · Cleveland, OH7 shared John John Hancock Life Insurance Company (U.S.A.) · Boston, MA7 shared Chetan D. Bagga · Philadelphia, PA7 shared Hadi M. Husain · San Francisco, CA7 shared Nathanael Vossler · Kirkland, WA7 shared Scott E. Dakers · Grand Cayman, Cayman Islands7 shared Jeff Bicksler · Atlanta, GA7 shared Christopher P. Simkins · VIENNA, VA7 shared Noah B. Greenhill · New York, NY7 shared James R. Braun · Virginia Beach, VA7 shared Jeffrey M. Smith · San Francisco, CA7 shared Vijayabalan E. Murugesu · Grand Cayman, Cayman Islands7 shared

Recent filings (57)

Clear Haven Ultra Short Investment Grade Bond Fund, LPDec 2025 · 5 co-filers Clear Haven Ultra Short Investment Grade Bond Fund, LPDec 2025 · 5 co-filers Clear Haven Total Return Partners Fund, LPOct 2025 · 5 co-filers Clear Haven Total Return Partners Fund, LPOct 2025 · 5 co-filers Pecoy Copper LtdSep 2025 · 2 co-filers$3.2M Pecoy Copper LtdSep 2025 · 2 co-filers$12.7M Future of Wellbeing LLCAug 2025 · 4 co-filers$13.9M PolicyBound, Inc.Jun 2025 · 13 co-filers$4.0M Clear Haven Feeder Fund, LP - Clear Haven Credit Opportunities Feeder Fund III SeriesMay 2025 · 5 co-filers Clear Haven Investment Fund, LP - Clear Haven Credit Opportunities Fund III SeriesMay 2025 · 5 co-filers Clear Haven Ultra Short Investment Grade Bond Fund, LPDec 2024 · 2 co-filers Clear Haven Total Return Partners Fund, LPOct 2024 · 2 co-filers GFS Parent Holdings, LLCJun 2024 · 17 co-filers$2.0M Clear Haven Investment Fund, LP - Clear Haven Credit Opportunities Fund III SeriesMay 2024 · 5 co-filers Clear Haven Feeder Fund, LP - Clear Haven Credit Opportunities Feeder Fund III SeriesMay 2024 · 5 co-filers Archetype Growth Holdings LLCApr 2024 · 8 co-filers$10.0M Clear Haven Total Return Partners Fund, LPDec 2023 · 1 co-filer Clear Haven Ultra Short Investment Grade Bond Fund, LPDec 2023 · 1 co-filer Archetype Growth Holdings LLCMay 2023 · 8 co-filers$10.0M GFS Parent Holdings, LLCMay 2023 · 17 co-filers$8.0M KKR US High Yield Bond FundApr 2023 · 29 co-filers KKR Multi-Asset Class FundApr 2023 · 29 co-filers KKR US Broadly Syndicated Loan FundApr 2023 · 29 co-filers KKR Multi-Asset Class Credit FundApr 2023 · 29 co-filers KKR European High Yield Bond FundApr 2023 · 29 co-filers

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