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Madison Dearborn Capital Partners IV LP

SEC-identified person · CIK 1122443 Identifier-verified

Public-company roles (from insider filings)

CompanyCapacity as filedFilings
Boise Cascade Co BCC Director filed 2013 - 2014
Cinemark Holdings, Inc. CNK Officer filed 2007 - 2011
T-Mobile US, Inc. TMUS Officer filed 2007 - 2011
First Wind Holdings Inc. WIND Officer filed 2010 - 2010
Boise Inc. BZ.BC Officer filed 2008 - 2010
Great Lakes Dredge & Dock Holdings Corp. GLDD Officer filed 2006 - 2009
Magellan Midstream Holdings LP MGG Director filed 2006 - 2009

All roles under one Commission-assigned identifier - the same person by the SEC's own record, not by name matching. From the SEC's insider-transaction filings (Forms 3, 4 and 5). Every reporting director and officer carries a Commission-assigned identifier (CIK), so these footprints are identifier-verified - no name matching involved. Insiders file when they transact, so dates are filing dates: "last filed" never means "served until". This layer is not yet joined to the nonprofit register - identity joins ship only after independent review.