Quick Takeaways
- Matthew M. Rizai filed SCHEDULE 13G/A for Workiva Inc. Class A Common Stock (WK).
- Disclosed ownership: 4.8%.
- Date of event: 31 Dec 2025.
Matthew M. Rizai - 31 Dec 2025 SCHEDULE 13G/A Report for Workiva Inc. Class A Common Stock (WK)
- Filing Manager
- Matthew M. Rizai
- Reporting Manager
- Matthew M Rizai
- Security
- Workiva Inc. Class A Common Stock
- Symbol
- WK
- Shares outstanding
- 55,377,375 shares
- Disclosed Ownership
- 2,658,114 shares
- Ownership
- 4.8%
- Form type
- SCHEDULE 13G/A
- Filing time
- 13 Feb 2026, 16:10:35 UTC
- Date of event
- 31 Dec 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"Matthew M. Rizai disclosed 4.8% ownership in Workiva Inc. Class A Common Stock (WK) on 31 Dec 2025."
What Changed
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 13 Feb 2026, 16:10.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (1)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Matthew M Rizai | 4.8% | 2,658,114 | 2,588,273 | 69,841 | /s/ Matthew M. Rizai | Matthew M. Rizai |