Investor · Milwaukee, WI
Mark F. Irgens
Open Mark in the network graph →Filings
119
SEC Form D
Connections
392
co-filers
Capital
$2.6M
across filings
Active
Sep 2017
to Apr 2022
Most-connected co-filers (392)
Duane H. Nolde · Milwaukee, WI48 sharedJaclynn C. Walsh · Milwaukee, WI31 sharedMark Wagner · Oakland, CA28 sharedJ.P. Morgan Private Investments Inc · New York, NY25 sharedIrgens Partners, LLC · Milwaukee, WI25 sharedGrant N. Cellier · Grand Cayman, Cayman Islands22 sharedJ.P. Morgan Private Investments Inc · New York, NY21 sharedThomas R. Irgens · Milwaukee, WI19 sharedJaclynn C. Walsh · Milwaukee, WI17 sharedMark J. Schafer · Fountain Valley, CA16 sharedJacqueline Haynes · George Town, Cayman Islands14 sharedDavid C. Arnold · Milwaukee, WI13 sharedJames Morgan · Las Vegas, NV12 sharedMartin H. Fichtner · Andover, MA12 sharedLee M. Mitchell · CHICAGO, IL12 sharedChris Herndon · Austin, TX12 sharedTimothy L. Vatuone · Chandler, AZ12 sharedSteven L. Brown · Chandler, AZ12 sharedPeter E. Newbald · ST HELIER, Y912 sharedSimon D. Pillar · SYDNEY, Channel Islands12 sharedJeff Burton · Las Vegas, NV12 sharedShelton J. Mcdonald · Humble, TX11 sharedDavid C. Arnold · Milwaukee, WI11 sharedDavid Seldin · Tampa, FL11 shared
Recent filings (119)
Office Opportunity Value-Add Fund, LLCSep 2025 · 15 co-filers$6.3MOffice Opportunity Value-Add Fund, LLCSep 2025 · 15 co-filers$6.3MCielo Vista Medical, LLCJun 2025 · 12 co-filers$5.4MCielo Vista Medical, LLCJun 2025 · 12 co-filers$5.4MAshoka WhiteOak India Leaders FundJun 2025 · 13 co-filersAshoka WhiteOak India Leaders FundFeb 2025 · 14 co-filersValid8 Financial, Inc.Feb 2025 · 11 co-filers$4.7MAshoka WhiteOak India ESG FundSep 2024 · 14 co-filersStone Ridge IV Medical Partners, LLCAug 2024 · 18 co-filers$3.8MStone Ridge IV Medical Partners, LLCAug 2024 · 18 co-filers$3.8MValid8 Financial, Inc.Nov 2023 · 5 co-filers$6.0MResearch Commercial Development Partners, LLCOct 2023 · 11 co-filers$6.5MResearch Commercial Development Partners, LLCOct 2023 · 11 co-filers$6.5MInnovation Park Development Partners South, LLCNov 2022 · 15 co-filers$6.0MStonecourt 365 Investors, LLCNov 2022 · 5 co-filers$5.4MValid8 Financial, Inc.Nov 2022 · 5 co-filers$4.0MStonecourt 365 Investors, LLCOct 2022 · 5 co-filers$4.5MHephaestus Development Partners, LLCSep 2022 · 12 co-filers$6.3MChicago Atlantic Fund (Offshore), L.P.May 2022 · 10 co-filersChicago Atlantic Credit Opportunities, LLCMay 2022 · 10 co-filersCPI (Carlyle Property) Private Investors, LLCApr 2022 · 7 co-filersInnovation Park Development Partners, LLCMar 2022 · 18 co-filers$8.4MBrookfield / Bluemound Property Fund, LLCDec 2021 · 18 co-filers$16.2MDesert Harbor Medical, LLCNov 2021 · 18 co-filers$4.1MCPI (Carlyle Property) Private Investors, LLCOct 2021 · 7 co-filers
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Mark in the interactive graph →