Investor · Chicago, IL

Mark S. Katz

Open Mark in the network graph →

Filings

8

SEC Form D

Connections

69

co-filers

Capital

—

across filings

Active

Mar 2022

to Dec 2023

Most-connected co-filers (69)

Michael D. O'Halleran · CHICAGO, IL7 shared John W. Rogers, Jr · Chicago, IL5 shared Robert M. Le Blanc · CHICAGO, IL5 shared Timothy W. Turner · CHICAGO, IL4 shared David L. Guinther · Madison, WI3 shared Ana Vaz · Rockport, MA3 shared Ankit Agarwal · Madison, WI3 shared James Coats · Rockport, MA3 shared Ivana Faltysova · Grand Cayman, Cayman Islands3 shared Jonathan Black · Middleton, WI3 shared Nardin Baker · Rockport, MA3 shared Stuart Jeffreys · Rockport, MA3 shared Patrick G. Ryan · CHICAGO, IL2 shared Stewart H. Gibson · Valhalla, NY2 shared Henry S. Bienen · Chicago, IL2 shared Chris H. Harrington · New York, NY2 shared Edward J. Bowler · Valhalla, NY2 shared Robert F. Aikman · New York, NY2 shared Christopher F. Corey · PROVIDENCE, RI2 shared Jonathan Crowder · Dallas, TX2 shared David J. Escalante · Toronto, Ontario, Canada2 shared Brian Bloom · Toronto, Ontario, Canada2 shared Tracey Foulkes · Dallas, TX2 shared Arinder G. Mahal · Mississauga, Ontario, Canada2 shared

Recent filings (8)

RYAN SPECIALTY HOLDINGS, INC.Dec 2023 · 46 co-filers RYAN SPECIALTY HOLDINGS, INC.May 2023 · 42 co-filers Wndyr Inc.Apr 2023 · 16 co-filers Wise Responder, Inc.Feb 2023 · 11 co-filers$1.0M Wise Responder, Inc.Mar 2022 · 11 co-filers$1.0M Wise Responder, Inc.Mar 2022 · 11 co-filers$1.0M Wndyr Inc.Mar 2022 · 16 co-filers LeCoeurStLouisMO, LLCDec 2021 · 7 co-filers$2.0M LeCoeurStLouisMO, LLCDec 2021 · 7 co-filers$2.0M

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