Significant Ownership of Matthew M. Rizai

Large-stake snapshot 1 signal
Large-stake filing summary
  • Recent SEC Schedule 13D/G filings for Matthew M. Rizai focus on large-stake beneficial ownership disclosures and amendments.
  • Use this view to spot new large holders, amended positions, and activist-style ownership evidence.
Manager Names, identifiers, and filing context for this profile. 1 identity field
Manager location
Ames, IA

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Significant Ownership of Matthew M. Rizai

Sym Company Class Ownership Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
WK Workiva Inc. Class A Common Stock 4.8% $220,543,719 2,658,114 Matthew M Rizai 31 Dec 2025

Schedules 13D/G Reported by Matthew M. Rizai:

Sym Target Class Ownership Change Current shares Change Value Reporting name Form Report period Filing date
Schedule rows are parsed from SEC 13D/G filings. Open the linked filing or target page to verify the reported ownership and shares.
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