SPOK
Spok Holdings, Inc
Radiotelephone CommunicationsNasdaqAccelerated filer
Total Trades
57
Buys
33
Sells
24
Largest Trade
$1M+
Insiders
9
Institutional Funds
96
Inst. Value
$1M+
Activist Filings
14
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Stein Todd J | Director | SELL | $500K+ | 38K | $18.08 | Sep 5, 2025 |
| Stein Todd J | Director | SELL | $1M+ | 66K | $18.03 | Sep 4, 2025 |
| Stein Todd J | Director | SELL | $100K–$500K | 21K | $17.98 | Aug 26, 2025 |
| WALLACE MICHAEL W | COO | SELL | $100K–$500K | 11K | $17.87 | Aug 26, 2025 |
| KELLY VINCENT D | President & CEO | SELL | $100K–$500K | 25K | $17.69 | Aug 22, 2025 |
| Stein Todd J | Director | SELL | $100K–$500K | 13K | $18.10 | Aug 22, 2025 |
| COURNOYER CHRISTINE | Director | SELL | $50K–$100K | 5K | $16.46 | May 12, 2025 |
| WALLACE MICHAEL W | COO | SELL | $50K–$100K | 6K | $16.53 | May 8, 2025 |
| KELLY VINCENT D | President & CEO | SELL | $100K–$500K | 30K | $16.40 | May 7, 2025 |
| Woods-Keisling Sharon | Corporate Secretary | SELL | $100K–$500K | 16K | $16.02 | Mar 14, 2025 |
| Stein Todd J | Director | SELL | $1M+ | 78K | $16.56 | Mar 12, 2025 |
| WALLACE MICHAEL W | COO | SELL | $100K–$500K | 12K | $15.95 | Nov 20, 2024 |
| Stein Todd J | Director | SELL | $15K–$50K | 900 | $17.09 | Nov 15, 2024 |
| KELLY VINCENT D | President & CEO | SELL | $500K+ | 50K | $16.88 | Nov 14, 2024 |
| Stein Todd J | Director | SELL | $100K–$500K | 13K | $17.06 | Nov 13, 2024 |
| WALLACE MICHAEL W | COO | SELL | $100K–$500K | 25K | $14.80 | Aug 21, 2024 |
| KELLY VINCENT D | President & CEO | SELL | $500K+ | 45K | $14.83 | Aug 19, 2024 |
| Stein Todd J | Director | SELL | $100K–$500K | 14K | $17.94 | Mar 4, 2024 |
| Woods-Keisling Sharon | Corporate Secretary | SELL | $100K–$500K | 17K | $17.92 | Mar 4, 2024 |
| WALLACE MICHAEL W | COO | SELL | $500K+ | 40K | $17.24 | Mar 4, 2024 |
| KELLY VINCENT D | President & CEO | SELL | $500K+ | 51K | $17.46 | Mar 4, 2024 |
| Stein Todd J | Director | SELL | $1M+ | 67K | $17.73 | Feb 29, 2024 |
| Rice Calvin | CFO | SELL | $100K–$500K | 13K | $16.91 | Dec 4, 2023 |
| Stein Todd J | Director | SELL | $500K+ | 51K | $17.95 | Nov 29, 2023 |
| Byrne Barbara Peterson | Director | BUY | $100K–$500K | 10K | $15.96 | Nov 6, 2023 |
| Rice Calvin | CFO | BUY | $1K–$15K | 420 | $11.90 | Jun 1, 2023 |
| Stein Todd J | Director | BUY | $50K–$100K | 10K | $9.63 | Mar 20, 2023 |
| Rice Calvin | CFO | BUY | $1K–$15K | 1K | $9.66 | Mar 20, 2023 |
| Stein Todd J | Director | BUY | $50K–$100K | 7K | $9.48 | Mar 17, 2023 |
| Stein Todd J | Director | BUY | $100K–$500K | 11K | $10.01 | Mar 14, 2023 |
| Stein Todd J | Director | BUY | $50K–$100K | 9K | $10.32 | Mar 10, 2023 |
| WALLACE MICHAEL W | COO | BUY | $15K–$50K | 3K | $10.25 | Mar 8, 2023 |
| Rice Calvin | CFO | BUY | $1K–$15K | 1K | $10.77 | Mar 8, 2023 |
| Rice Calvin | CFO | BUY | $1K–$15K | 1K | $10.40 | Mar 3, 2023 |
| Stein Todd J | Director | BUY | $100K–$500K | 25K | $8.06 | Dec 12, 2022 |
| Stein Todd J | Director | BUY | $100K–$500K | 22K | $7.73 | Dec 8, 2022 |
| WALLACE MICHAEL W | COO | BUY | $15K–$50K | 2K | $7.76 | Dec 6, 2022 |
| Stein Todd J | Director | BUY | $100K–$500K | 16K | $7.88 | Dec 6, 2022 |
| KELLY VINCENT D | President & CEO | BUY | $15K–$50K | 5K | $8.25 | Nov 18, 2022 |
| KELLY VINCENT D | President & CEO | BUY | $15K–$50K | 5K | $7.34 | Sep 19, 2022 |
| Stein Todd J | Director | BUY | $1M+ | 140K | $7.29 | Sep 19, 2022 |
| Stein Todd J | Director | BUY | $1M+ | 177K | $7.31 | Sep 16, 2022 |
| Stein Todd J | Director | BUY | $100K–$500K | 44K | $7.24 | Sep 14, 2022 |
| Stein Todd J | Director | BUY | $100K–$500K | 14K | $7.11 | Sep 7, 2022 |
| Stein Todd J | Director | BUY | $100K–$500K | 35K | $7.18 | Sep 2, 2022 |
| Stein Todd J | Director | BUY | $100K–$500K | 43K | $7.21 | Aug 31, 2022 |
| Stein Todd J | Director | BUY | $100K–$500K | 42K | $7.32 | Aug 29, 2022 |
| Stein Todd J | Director | BUY | $50K–$100K | 8K | $7.15 | Aug 25, 2022 |
| Byrne Barbara Peterson | Director | BUY | $15K–$50K | 3K | $7.22 | Aug 24, 2022 |
| WALLACE MICHAEL W | COO | BUY | $1K–$15K | 2K | $7.14 | Aug 22, 2022 |
🔓Seeing ranges? Sign in for exact trade values — free forever
Institutional Ownership
13F filings as of Dec 31, 2025 · 96 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC | 1.2M | $1M+ | SH |
| VANGUARD GROUP INC | 1.1M | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 664K | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 532K | $1M+ | SH |
| STATE STREET CORP | 447K | $1M+ | SH |
| HighTower Advisors, LLC | 382K | $1M+ | SH |
| ACADIAN ASSET MANAGEMENT LLC | 322K | $1M+ | SH |
| GOLDMAN SACHS GROUP INC | 285K | $1M+ | SH |
| CSM Advisors, LLC | 263K | $1M+ | SH |
| Connor, Clark & Lunn Investment Management Ltd. | 197K | $1M+ | SH |
| Bank of New York Mellon Corp | 168K | $1M+ | SH |
| Uniplan Investment Counsel, Inc. | 161K | $1M+ | SH |
| North Star Investment Management Corp. | 122K | $1M+ | SH |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 119K | $1M+ | SH |
| LOS ANGELES CAPITAL MANAGEMENT LLC | 102K | $1M+ | SH |
| PANAGORA ASSET MANAGEMENT INC | 93K | $1M+ | SH |
| FIRST TRUST ADVISORS LP | 65K | $500K+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 61K | $500K+ | SH |
| HSBC HOLDINGS PLC | 60K | $500K+ | SH |
| Campbell & CO Investment Adviser LLC | 49K | $500K+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G · Aug 13, 2025
5.1%
1.1M shares
SC 13G · Jul 29, 2025
5.6%
1.1M shares
SC 13G/A · Apr 30, 2025
5.0%
1.0M shares
SC 13G/A · Nov 12, 2024
5.2%
1.1M shares
SC 13G/A · Nov 4, 2024
5.2%
1.1M shares
Renaissance Technologies LLC 26-0385758
SC 13G/A · Feb 13, 2024
4.9%
974K shares
SC 13G · Jan 26, 2024
7.1%
1.4M shares
SC 13G/A · Feb 14, 2023
0.0%
0 shares
Renaissance Technologies LLC 26-0385758
SC 13G/A · Feb 13, 2023
6.6%
1.3M shares
Dimensional Fund Advisors LP 30-0447847
SC 13G/A · Feb 10, 2023
5.4%
1.1M shares
SC 13D/A · Jun 29, 2022
54.9%
967K shares
SC 13G · Feb 14, 2022
8.9%
1.7M shares
SC 13G · Feb 14, 2022
8.9%
1.7M shares
Renaissance Technologies LLC 26-0385758
SC 13G/A · Feb 11, 2022
6.2%
1.2M shares