Spok Holdings, Inc also files under USMO; those filings are included.
The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 10, 2026 | Woods-Keisling Sharon | Corporate Secretary, Treasurer | Sell(S) | 20K | $11.30 | $226K |
| Aug 10, 2026 | Cournoyer Christine | Director | Sell(S) | 0 | — | $0 |
| Aug 10, 2026 | Cournoyer Christine | Director | Sell(S) | 8K | $11.28 | $94K |
| Aug 10, 2026 | Woods-Keisling Sharon | Corporate Secretary, Treasurer | Sell(S) | 0 | — | $0 |
| Aug 3, 2026 | Wallace Michael W | Chief Operating Officer | Grant(A) | 14K | — | $0 |
| Aug 3, 2026 | Woods-Keisling Sharon | Corporate Secretary, Treasurer | Grant(A) | 5K | — | $0 |
| Aug 3, 2026 | Wallace Michael W | Chief Operating Officer | Grant(A) | 14K | — | $0 |
| Aug 3, 2026 | Woods-Keisling Sharon | Corporate Secretary, Treasurer | Grant(A) | 5K | — | $0 |
| Aug 3, 2026 | Kelly Vincent D | President & CEO, Director | Grant(A) | 23K | — | $0 |
| Aug 3, 2026 | Kelly Vincent D | President & CEO, Director | Grant(A) | 23K | — | $0 |
| Jul 1, 2026 | Hyun Randy | Director | Grant(A) | 2K | $10.24 | $25K |
| Jul 1, 2026 | Byrne Barbara Peterson | Director | Grant(A) | 0 | — | $0 |
| Jul 1, 2026 | Stein Todd J | Director | Grant(A) | 2K | $10.24 | $25K |
| Jul 1, 2026 | Cournoyer Christine | Director | Grant(A) | 2K | $10.24 | $25K |
| Jul 1, 2026 | Cournoyer Christine | Director | Grant(A) | 0 | — | $0 |
| Jul 1, 2026 | Stein Todd J | Director | Grant(A) | 0 | — | $0 |
| Jul 1, 2026 | Byrne Barbara Peterson | Director | Grant(A) | 2K | $10.24 | $25K |
| Jul 1, 2026 | Stein Todd J | Director | Grant(A) | 0 | — | $0 |
| Jul 1, 2026 | Shockley Brett A | Director | Grant(A) | 2K | $10.24 | $25K |
| Jun 16, 2026 | Stein Todd J | Director | Buy(P) | 35K | $10.41 | $367K |
| Jun 16, 2026 | Stein Todd J | Director | Buy(P) | 0 | — | $0 |
| Jun 16, 2026 | Stein Todd J | Director | Buy(P) | 0 | — | $0 |
| May 12, 2026 | Kelly Vincent D | President & CEO, Director | Buy(P) | 5K | $10.70 | $53K |
| May 11, 2026 | Kelly Vincent D | President & CEO, Director | Buy(P) | 0 | — | $0 |
| May 11, 2026 | Kelly Vincent D | President & CEO, Director | Buy(P) | 5K | $10.67 | $53K |
| May 5, 2026 | Woods-Keisling Sharon | Corporate Secretary, Treasurer | Sell(S) | 10K | $11.00 | $110K |
| May 5, 2026 | Woods-Keisling Sharon | Corporate Secretary, Treasurer | Sell(S) | 0 | — | $0 |
| Apr 14, 2026 | Rice Calvin | Chief Financial Officer & CAO | Grant(A) | 0 | — | $0 |
| Apr 14, 2026 | Rice Calvin | Chief Financial Officer & CAO | Grant(A) | 0 | — | $0 |
| Apr 1, 2026 | Hyun Randy | Director | Grant(A) | 2K | $10.90 | $25K |
| Apr 1, 2026 | Cournoyer Christine | Director | Grant(A) | 0 | — | $0 |
| Apr 1, 2026 | Cournoyer Christine | Director | Grant(A) | 2K | $10.90 | $25K |
| Apr 1, 2026 | Stein Todd J | Director | Grant(A) | 0 | — | $0 |
| Apr 1, 2026 | Stein Todd J | Director | Grant(A) | 0 | — | $0 |
| Apr 1, 2026 | Byrne Barbara Peterson | Director | Grant(A) | 2K | $10.90 | $25K |
| Apr 1, 2026 | Stein Todd J | Director | Grant(A) | 2K | $10.90 | $25K |
| Apr 1, 2026 | Byrne Barbara Peterson | Director | Grant(A) | 0 | — | $0 |
| Apr 1, 2026 | Shockley Brett A | Director | Grant(A) | 2K | $10.90 | $25K |
| Mar 4, 2026 | Rice Calvin | Chief Financial Officer & CAO | Option exercise(M) | 14K | — | $0 |
| Mar 4, 2026 | Rice Calvin | Chief Financial Officer & CAO | Grant(A) | 4K | $12.14 | $50K |
| Mar 4, 2026 | Rice Calvin | Chief Financial Officer & CAO | Option exercise(M) | 14K | $12.14 | $167K |
| Mar 4, 2026 | Woods-Keisling Sharon | Corporate Secretary, Treasurer | Option exercise(M) | 11K | — | $0 |
| Mar 4, 2026 | Wallace Michael W | Chief Operating Officer | Tax withholding(F) | 18K | $12.14 | $217K |
| Mar 4, 2026 | Woods-Keisling Sharon | Corporate Secretary, Treasurer | Option exercise(M) | 11K | $12.14 | $139K |
| Mar 4, 2026 | Woods-Keisling Sharon | Corporate Secretary, Treasurer | Grant(A) | 3K | $12.14 | $42K |
| Mar 4, 2026 | Woods-Keisling Sharon | Corporate Secretary, Treasurer | Tax withholding(F) | 4K | $12.14 | $54K |
| Mar 4, 2026 | Kelly Vincent D | President & CEO, Director | Option exercise(M) | 49K | — | $0 |
| Mar 4, 2026 | Kelly Vincent D | President & CEO, Director | Option exercise(M) | 49K | $12.14 | $593K |
| Mar 4, 2026 | Kelly Vincent D | President & CEO, Director | Tax withholding(F) | 29K | $12.14 | $348K |
| Mar 4, 2026 | Rice Calvin | Chief Financial Officer & CAO | Tax withholding(F) | 9K | $12.14 | $106K |
| Mar 4, 2026 | Kelly Vincent D | President & CEO, Director | Grant(A) | 15K | $12.14 | $178K |
| Mar 4, 2026 | Wallace Michael W | Chief Operating Officer | Grant(A) | 9K | $12.14 | $111K |
| Mar 4, 2026 | Wallace Michael W | Chief Operating Officer | Option exercise(M) | 31K | $12.14 | $371K |
| Mar 4, 2026 | Wallace Michael W | Chief Operating Officer | Option exercise(M) | 31K | — | $0 |
| Jan 5, 2026 | Kelly Vincent D | President & CEO, Director | Option exercise(M) | 11K | — | $0 |
| Jan 5, 2026 | Kelly Vincent D | President & CEO, Director | Option exercise(M) | 10K | — | $0 |
| Jan 5, 2026 | Kelly Vincent D | President & CEO, Director | Option exercise(M) | 16K | — | $0 |
| Jan 5, 2026 | Kelly Vincent D | President & CEO, Director | Option exercise(M) | 37K | $13.19 | $494K |
| Jan 5, 2026 | Kelly Vincent D | President & CEO, Director | Tax withholding(F) | 18K | $13.19 | $231K |
| Jan 5, 2026 | Rice Calvin | Chief Financial Officer & CAO | Option exercise(M) | 5K | — | $0 |
| Jan 5, 2026 | Rice Calvin | Chief Financial Officer & CAO | Option exercise(M) | 3K | — | $0 |
| Jan 5, 2026 | Rice Calvin | Chief Financial Officer & CAO | Option exercise(M) | 3K | — | $0 |
| Jan 5, 2026 | Rice Calvin | Chief Financial Officer & CAO | Option exercise(M) | 11K | $13.19 | $151K |
| Jan 5, 2026 | Rice Calvin | Chief Financial Officer & CAO | Tax withholding(F) | 6K | $13.19 | $82K |
| Jan 5, 2026 | Woods-Keisling Sharon | Corporate Secretary, Treasurer | Option exercise(M) | 2K | — | $0 |
| Jan 5, 2026 | Woods-Keisling Sharon | Corporate Secretary, Treasurer | Option exercise(M) | 2K | — | $0 |
| Jan 5, 2026 | Woods-Keisling Sharon | Corporate Secretary, Treasurer | Option exercise(M) | 4K | — | $0 |
| Jan 5, 2026 | Woods-Keisling Sharon | Corporate Secretary, Treasurer | Option exercise(M) | 9K | $13.19 | $115K |
| Jan 5, 2026 | Woods-Keisling Sharon | Corporate Secretary, Treasurer | Tax withholding(F) | 3K | $13.19 | $41K |
| Jan 5, 2026 | Wallace Michael W | Chief Operating Officer | Option exercise(M) | 6K | — | $0 |
| Jan 5, 2026 | Wallace Michael W | Chief Operating Officer | Option exercise(M) | 6K | — | $0 |
| Jan 5, 2026 | Wallace Michael W | Chief Operating Officer | Option exercise(M) | 10K | — | $0 |
| Jan 5, 2026 | Wallace Michael W | Chief Operating Officer | Option exercise(M) | 23K | $13.19 | $302K |
| Jan 5, 2026 | Wallace Michael W | Chief Operating Officer | Tax withholding(F) | 11K | $13.19 | $145K |
| Jan 2, 2026 | Rice Calvin | Chief Financial Officer & CAO | Grant(A) | 18K | — | $0 |
| Jan 2, 2026 | Rice Calvin | Chief Financial Officer & CAO | Grant(A) | 18K | — | $0 |
| Jan 2, 2026 | Hyun Randy | Director | Grant(A) | 2K | $13.19 | $25K |
| Jan 2, 2026 | Stein Todd J | Director | Grant(A) | 2K | $13.19 | $25K |
| Jan 2, 2026 | Stein Todd J | Director | Grant(A) | 0 | — | $0 |
| Jan 2, 2026 | Byrne Barbara Peterson | Director | Grant(A) | 0 | — | $0 |
| Jan 2, 2026 | Byrne Barbara Peterson | Director | Grant(A) | 2K | $13.19 | $25K |
| Jan 2, 2026 | Stein Todd J | Director | Grant(A) | 0 | — | $0 |
| Jan 2, 2026 | Kelly Vincent D | President & CEO, Director | Grant(A) | 57K | — | $0 |
| Jan 2, 2026 | Cournoyer Christine | Director | Grant(A) | 0 | — | $0 |
| Jan 2, 2026 | Kelly Vincent D | President & CEO, Director | Grant(A) | 57K | — | $0 |
| Jan 2, 2026 | Woods-Keisling Sharon | Corporate Secretary, Treasurer | Grant(A) | 13K | — | $0 |
| Jan 2, 2026 | Woods-Keisling Sharon | Corporate Secretary, Treasurer | Grant(A) | 13K | — | $0 |
| Jan 2, 2026 | Wallace Michael W | Chief Operating Officer | Grant(A) | 34K | — | $0 |
| Jan 2, 2026 | Cournoyer Christine | Director | Grant(A) | 2K | $13.19 | $25K |
| Jan 2, 2026 | Shockley Brett A | Director | Grant(A) | 2K | $13.19 | $25K |
| Jan 2, 2026 | Wallace Michael W | Chief Operating Officer | Grant(A) | 34K | — | $0 |
| Oct 1, 2025 | Stein Todd J | Director | Grant(A) | 1K | $17.25 | $25K |
| Oct 1, 2025 | Stein Todd J | Director | Grant(A) | 0 | — | $0 |
| Oct 1, 2025 | Stein Todd J | Director | Grant(A) | 0 | — | $0 |
| Oct 1, 2025 | Byrne Barbara Peterson | Director | Grant(A) | 0 | — | $0 |
| Oct 1, 2025 | Hyun Randy | Director | Grant(A) | 1K | $17.25 | $25K |
| Oct 1, 2025 | Cournoyer Christine | Director | Grant(A) | 0 | — | $0 |
| Oct 1, 2025 | Cournoyer Christine | Director | Grant(A) | 1K | $17.25 | $25K |
| Oct 1, 2025 | Byrne Barbara Peterson | Director | Grant(A) | 1K | $17.25 | $25K |
| Oct 1, 2025 | Shockley Brett A | Director | Grant(A) | 1K | $17.25 | $25K |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Issuer: Spok Holdings, Inc, SEC CIK 0001289945. The symbol on a Form 4 is typed by the filer, so this page follows the issuer with the newest filing under SPOK and shows every filing by that issuer (also filed as USMO).
Coverage: Form 4 filings indexed 2006-01-02 → 2026-09-05. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).
Connected pages for SPOK