Michael W. Wallace was named Chief Financial Officer of Spok Holdings, Inc. As of November 6, 2026, Spok Holdings, Inc has reported one leadership change filing to the SEC under Item 5.02 of Form 8-K, on April 14, 2026, naming 2 appointments (Form 8-K, April 14, 2026).
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Spok Holdings, Inc reported a change among its directors and officers to the SEC on Form 8-K, Item 5.02, on 2026-04-14. It names 1 person. Every row below is cited to the filing it comes from, and this page adds each new change as Spok Holdings, Inc files it.
Also on the record for Spok Holdings, Inc
| Date | Record | Figure | Our page | Source |
|---|---|---|---|---|
| March 27, 2026 | Stake report, Schedule 13G/A, by The Vanguard Group | — | 5%+ stakes | Source |
| August 13, 2025 | Stake report, Schedule 13G, by Renaissance Technologies LLC | 5.13% of the class | 5%+ stakes | Source |
| July 29, 2025 | Stake report, Schedule 13G, by The Vanguard Group | 5.58% of the class | 5%+ stakes | Source |
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- Renaissance Technologies LLC also filed stake reports on 46 other companies: AMERICAN PUBLIC EDUCATION INC (Aug 2026), Bolt Biotherapeutics, Inc. (Aug 2026), Commercial Vehicle Group, Inc. (Aug 2026)
- The Vanguard Group also filed stake reports on 2384 other companies: BellRing Brands, Inc. (Sep 2026), CAL-MAINE FOODS INC (Sep 2026), FTAI Aviation Ltd. (Sep 2026)
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Timeline
| Filed | In / out | Person | Role | Effective | Source |
|---|---|---|---|---|---|
| 2026-04-14 | In | Chief Financial Officer | 8-K, 2026-04-14 | ||
| 2026-04-14 | In | Chief Operating Officer | 8-K, 2026-04-14 |
Who leads Spok Holdings, Inc, as last reported?
For each role that changed in the filings below, the most recent change reported. A role that did not change in these filings is not listed.
- Chief Operating Officer: Michael W. Wallace, appointed (filed 2026-04-14).
- Chief Financial Officer: Michael W. Wallace, appointed (filed 2026-04-14).
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Appointed: Michael W. Wallace, Chief Financial Officer
On April 14, 2026, in connection with a strategic realignment designed to reduce costs, the Board of Directors of Spok Holdings, Inc. (the "Company") appointed Michael W. Wallace, the Company's Chief Operating Officer, to also serve as Chief Financial Officer, effective immediately.
Appointed: Michael W. Wallace, Chief Operating Officer
Mr. Wallace, age 57, was appointed President of Spok, Inc., a wholly owned operating subsidiary of the Company, in August 2022 and Chief Operating Officer of the Company in January 2020.
- Mr. Wallace replaces Calvin C. Rice who will no longer serve as the Company's Chief Financial Officer, effective immediately.
- Mr. Wallace joined the Company in 2017 and served as the Company's Chief Financial Officer from 2017 to 2022.
- He has spent more than 30 years as a financial executive at both public and private companies.
- Prior to joining the Company, he was Executive Vice President and Chief Financial Officer of Intermedix Corporation, a global leader in healthcare revenue cycle/practice management and data analytics solutions, and Executive Vice President and CFO of The Elephant Group (d.b.a.
- Prior to that, he served as Senior Vice President and CFO of Radiology Corporation of America, a national provider of mobile and fixed-site positron emission tomography (PET) imaging services.
- Mr. Wallace has also served as an Assistant Chief Accountant in the SEC's Division of Enforcement and was a member of the Commission's Financial Fraud Task Force in Washington, D.C. Prior to being at the SEC, Mr. Wallace served as CFO at Inktel Direct, Corp., a direct marketing service firm, CELLIT Technologies, Inc., a software company serving the contact center marketplace, and Kellstrom Industries, Inc., a publicly held global aerospace company.
- Before joining Kellstrom, Mr. Wallace worked at KPMG Peat Marwick, LLP in Miami for more than seven years.
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Where this comes from
A public company must file a current report on Form 8-K with the SEC within four business days when a director leaves or is elected, or when its chief executive, chief financial, chief accounting or chief operating officer, or another named executive, departs or is appointed. That disclosure goes under Item 5.02 of the report.
Every change on this page is taken from one of those filings and quoted in the company's own words, with a link to the filing, so it can be checked at the source. Where a filing names the person, the role and the date a change takes effect, they are shown beside the quote. Where it does not, the quote stands on its own. A filing states what changed; it rarely states why, and neither does this page.