Workiva Inc. (WK)
NYSE: WK · Services-Prepackaged Software · Ames, IA · filing with the SEC since 2008
Grade5.5
◀ Past 4.9● Present 5.4▶ Future 6.1
Who runs Workiva Inc.
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedChief executive, as filed
Vanderploeg Martin J
CEO. First filing Dec 2014, latest Sep 16, 2026, 26 filings in all.
Officers reporting now
5
of 12 people with a filing in the last fifteen months
Directors reporting now
7
24 people on the record since 2014
Officerssales are open-market, Sep 30, 2025 to Sep 30, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Vanderploeg Martin J | CEO | Dec 2014 | Sep 16, 2026 | none |
| Swain Junko | SVP, Chief Accounting Officer | Aug 2023 | Sep 2, 2026 | none |
| Ziegler Brandon | EVP, CLO, CAO & Corp Secretary | May 2020 | Aug 21, 2026 | 1 · $500,000 |
| Iskow Julie | President & CEO | Oct 2019 | Apr 6, 2026 | none |
| Larson Barbara A | EVP, CFO & Treasurer | Jan 2026 | Feb 3, 2026 | none |
Directorssales are open-market, Sep 30, 2025 to Sep 30, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Herz Robert H | director | Dec 2014 | Jun 8, 2026 | 3 · $300,000 |
| Crow Michael M | director | Dec 2014 | Jun 3, 2026 | none |
| Herren Richard Scott | director | Mar 2026 | Jun 3, 2026 | none |
| Malik Astha | director | May 2025 | Jun 3, 2026 | none |
| Peek Mark S | director | Jun 2026 | Jun 3, 2026 | none |
| Radia Suku V | director | Dec 2014 | Jun 3, 2026 | none |
| Mulcahy David S | director | Dec 2014 | Dec 12, 2025 | 2 · $200,000 |
Earlier names on the record15, newest filing first
Klindt Jill · officer · last filing May 2025Hawkins Michael D. · officer · last filing Mar 2025Bonner Brigid A · director · last filing Jun 2024Banarjee Mithun · officer · last filing Sep 2022Trom Jeff D · officer · last filing Sep 2022Miller J Stuart · officer · last filing Feb 2021Katz Eugene S · director · last filing Nov 2020Ryan Scott G. · officer · last filing Feb 2020Calkins Troy M. · officer · last filing Feb 2020Rizai Matthew M · officer · last filing May 2019Behar Jerome M · 10% owner · last filing May 2018Behar Leslie F. · 10% owner · last filing May 2018Behar Living Trust · 10% owner · last filing May 2018Howell Joseph H. · officer · last filing Feb 2018Sellberg Michael S. · officer · last filing Feb 2017
A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.