Investor · King of Prussia, PA

John W. Ziegler

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Filings

182

SEC Form D

Connections

105

co-filers

Capital

$3.3M

across filings

Active

Apr 2017

to Aug 2023

Most-connected co-filers (105)

Jordan M. Jayson · Fort Worth, TX159 shared Stephen C. Malloy · FAYETTEVILLE, AR159 shared Matthew P. Iak · Fort Worth, TX159 shared U.S. Energy Development Corporation · Arlington, TX114 shared U.S. Energy Development Corporation · Arlington, TX114 shared B. 222 Capital Management Llc · Rockville Centre, NY45 shared Iyad W. Baker · King of Prussia, PA10 shared Ned W. Moore · King of Prussia, PA10 shared Anna Slizhevska · REDWOOD CITY, CA8 shared T.M. Ravi · REDWOOD CITY, CA8 shared Isomer Partners LP · New York, NY8 shared Christopher W. Wolfington · King of Prussia, PA7 shared Arthur W. Spector · King of Prussia, PA7 shared John W. Tedeschi · King of Prussia, PA7 shared Neal Bandyopadhyay · New York, NY5 shared Karl T. O'Reilly · George Town, Grand Cayman, Cayman Islands5 shared Brian G. Tilton · New York, NY5 shared Sean Inggs · Grand Cayman, Cayman Islands5 shared Jason Cannon · King of Prussia, PA5 shared Timothy Kowalski · King of Prussia, PA5 shared Brian Sprague · North Yarmouth, ME4 shared David Pao · Hong Kong, Hong Kong4 shared Cory P. Olson · Miami, FL4 shared Kwok Kee Lau · Hong Kong, Hong Kong4 shared

Recent filings (182)

USEDC Opportunity Zone III LPDec 2025 · 4 co-filers$150.0M USEDC Opportunity Zone III LPOct 2025 · 4 co-filers$150.0M USEDC Opportunity Zone III LPAug 2025 · 4 co-filers$150.0M USEDC Opportunity Zone III LPJul 2025 · 4 co-filers$150.0M USEDC Opportunity Zone III LPJul 2025 · 4 co-filers$150.0M USEDC Opportunity Zone III LPJun 2025 · 4 co-filers$150.0M USEDC Opportunity Zone III LPFeb 2025 · 4 co-filers$150.0M USEDC Opportunity Zone III LPJan 2025 · 4 co-filers$150.0M USEDC 2024 B Drilling Fund LPJan 2025 · 5 co-filers$250.0M USEDC 2024 B Drilling Fund LPJan 2025 · 5 co-filers$250.0M USEDC 2024 B Drilling Fund LPJan 2025 · 5 co-filers$250.0M USEDC 2024 Drilling Fund LPJan 2025 · 5 co-filers$250.0M USEDC 2024 B Drilling Fund LPJan 2025 · 5 co-filers$250.0M INSTITUTIONAL DRILLING FUND I LPJan 2025 · 5 co-filers$250.0M USEDC Opportunity Zone III LPJan 2025 · 4 co-filers$150.0M USEDC 2024 B Drilling Fund LPJan 2025 · 5 co-filers$250.0M INSTITUTIONAL DRILLING FUND I LPJan 2025 · 5 co-filers$250.0M INSTITUTIONAL DRILLING FUND I LPJan 2025 · 5 co-filers$250.0M USEDC 2024 B Drilling Fund LPJan 2025 · 5 co-filers$250.0M INSTITUTIONAL DRILLING FUND I LPJan 2025 · 5 co-filers$250.0M USEDC Opportunity Zone III LPJan 2025 · 4 co-filers$150.0M INSTITUTIONAL DRILLING FUND I LPJan 2025 · 5 co-filers$250.0M USEDC 2024 B Drilling Fund LPJan 2025 · 5 co-filers$250.0M USEDC 2024 B Drilling Fund LPDec 2024 · 6 co-filers$250.0M USEDC 2024 B Drilling Fund LPDec 2024 · 6 co-filers$250.0M

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