🕵️ SPOK Holdings, Inc ($SPOK)
SEC insider & ownership activity, last 12 months · CIK 1289945 · every row links its SEC filing
Over the last 12 months insiders sold $9.4M against $474K of open-market buying. Todd J. Stein sold $7.5M (Aug–Jun). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
2 buyers, $474K (6 lots) · 5 sellers, $9.4M (48 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Todd J. Stein | 3 | $367K | 34 | $7.5M | Jun 16, 2026 |
| Vincent D. Kelly | 3 | $107K | 4 | $998K | May 12, 2026 |
| Rice Calvin | 0 | – | 4 | $409K | Aug 5, 2025 |
| Michael W. Wallace | 0 | – | 4 | $378K | Aug 25, 2025 |
| Woods-Keisling Sharon | 0 | – | 2 | $110K | May 5, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Renaissance Technologies LLC | 5.1% | 13G | Aug 13, 2025 | filing ↗ | |
| Renaissance Technologies Holdings Corporation | 5.1% | 13G | Aug 13, 2025 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Woods-Keisling Sharon | $109K | May 5, 2026 | filing ↗ |
| Michael W. Wallace | $198K | Aug 25, 2025 | filing ↗ |
| Vincent D. Kelly | $442K | Aug 21, 2025 | filing ↗ |
| Braeside Capital II, L.P. | $3.6M | Aug 14, 2025 | filing ↗ |
| Braeside Capital, L.P. | $3.0M | Aug 14, 2025 | filing ↗ |
| Rice Calvin | $271K | Aug 5, 2025 | filing ↗ |
| Vincent D. Kelly | $556K | Aug 4, 2025 | filing ↗ |
| Rice Calvin | $140K | Aug 4, 2025 | filing ↗ |
| Michael W. Wallace | $184K | Aug 4, 2025 | filing ↗ |
| Braeside Investments, LLC | $2.7M | Aug 4, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Jul 29, 2026 | filing ↗ |
| Other events (8.01) | Jul 29, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 29, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jul 21, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Apr 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 30, 2026 | filing ↗ |
| Earnings (2.02) | Apr 29, 2026 | filing ↗ |
| Other events (8.01) | Apr 29, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 29, 2026 | filing ↗ |
| Officer/director changes (5.02) | Apr 14, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Apr 14, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 14, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 26, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 26, 2026 | filing ↗ |
| Earnings (2.02) | Feb 25, 2026 | filing ↗ |
| Other events (8.01) | Feb 25, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 25, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Oct 30, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 30, 2025 | filing ↗ |
| Earnings (2.02) | Oct 29, 2025 | filing ↗ |
| Other events (8.01) | Oct 29, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 29, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Aug 1, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 1, 2025 | filing ↗ |