Insider · CIK 0001070123
Michael W Wallace
Files at SPOK (Spok Holdings, Inc). First filing Nov 20, 2024, latest Aug 26, 2025.
In brief
Michael W Wallace files SEC Form 4 as COO at SPOK (Spok Holdings, Inc). Since Nov 20, 2024, Michael W Wallace has reported 0 open-market buys worth $0 and 4 open-market sells worth $669k, the latest filed on Aug 26, 2025.
A track record needs three past buys with six months of prices behind them; Michael W Wallace has 0, so none is measured yet.
The newest scored trade: sold $193k of SPOK on Aug 25, 2025, filed Aug 26, 2025, scored 52 (moderate).
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
SPOK: Spok Holdings, Inc
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 52Moderate | Spok Holdings, Inc | $193k 10,806 shares | -21% | +33% from low-4% from high | |
| 52Moderate | Spok Holdings, Inc | $185k 10,000 shares | -16% | +37% from low0% from high | |
| 45Moderate | Spok Holdings, Inc | $99k 6,000 shares | -9% | +19% from low-2% from high | |
| 52Moderate | Spok Holdings, Inc | $191k 12,000 shares | -24% | - |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Aug 25, 2025 | SPOK Spok Holdings, Inc | 11,000 0.05% of outstanding | $198k | Aug 25, 2025 | $185k |
| Aug 4, 2025 | SPOK Spok Holdings, Inc | 10,000 0.05% of outstanding | $184k | Aug 4, 2025 | $99k |
| May 7, 2025 | SPOK Spok Holdings, Inc | 6,000 0.03% of outstanding | $99k | May 7, 2025 | $165k |
| Mar 4, 2025 | SPOK Spok Holdings, Inc | 10,000 0.05% of outstanding | $166k | Mar 4, 2025 | none |
| Nov 19, 2024 | SPOK Spok Holdings, Inc | 12,000 0.06% of outstanding | $194k | Nov 19, 2024 | $370k |
| Nov 27, 2023 | SPOK Spok Holdings, Inc | 20,000 0.10% of outstanding | $352k | Nov 27, 2023 | none |
Transactions
Every row this insider has filed, 21 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Aug 3, 2026 | SPOK Spok Holdings, Inc | AGrant or award Restricted Stock Unitderivative | +13,761 | $0.00 | $0 | 138,987 | Aug 4, 2026 |
| Aug 3, 2026 | SPOK Spok Holdings, Inc | AGrant or award Restricted Stock Unitderivative | +13,761 | $0.00 | $0 | 152,748 | Aug 4, 2026 |
| Mar 4, 2026 | SPOK Spok Holdings, Inc | MOption exercise Common Stock | +30,525 | $12.14 | $371k | 82,774 | Mar 4, 2026 |
| Mar 4, 2026 | SPOK Spok Holdings, Inc | AGrant or award Common Stock | +9,157 | $12.14 | $111k | 91,931 | Mar 4, 2026 |
| Mar 4, 2026 | SPOK Spok Holdings, Inc | FTax withholding Common Stock | -17,897 | $12.14 | $217k | 74,034 | Mar 4, 2026 |
| Mar 4, 2026 | SPOK Spok Holdings, Inc | MOption exercise Restricted Stock Unitderivative | -30,525 | $0.00 | $0 | 125,226 | Mar 4, 2026 |
| Jan 5, 2026 | SPOK Spok Holdings, Inc | MOption exercise Common Stock | +22,865 | $13.19 | $302k | 63,234 | Jan 7, 2026 |
| Jan 5, 2026 | SPOK Spok Holdings, Inc | FTax withholding Common Stock | -10,985 | $13.19 | $145k | 52,249 | Jan 7, 2026 |
| Jan 5, 2026 | SPOK Spok Holdings, Inc | MOption exercise Restricted Stock Unitsderivative | -6,460 | $0.00 | $0 | 6,460 | Jan 7, 2026 |
| Jan 5, 2026 | SPOK Spok Holdings, Inc | MOption exercise Restricted Stock Unitsderivative | -6,230 | $0.00 | $0 | 12,461 | Jan 7, 2026 |
| Jan 5, 2026 | SPOK Spok Holdings, Inc | MOption exercise Restricted Stock Unitderivative | -10,175 | $0.00 | $0 | 0 | Jan 7, 2026 |
| Jan 2, 2026 | SPOK Spok Holdings, Inc | AGrant or award Restricted Stock Unitderivative | +34,117 | $0.00 | $0 | 144,500 | Jan 5, 2026 |
| Jan 2, 2026 | SPOK Spok Holdings, Inc | AGrant or award Restricted Stock Unitderivative | +34,116 | $0.00 | $0 | 178,616 | Jan 5, 2026 |
| Aug 25, 2025 | SPOK Spok Holdings, Inc | SOpen-market sale Common Stock | -10,806 | $17.87 | $193k | 40,369 | Aug 26, 2025 |
| Aug 25, 2025 | SPOK Spok Holdings, Inc | SOpen-market sale Restricted Stock Unitderivative | -0 | $0.00 | $0 | 110,383 | Aug 26, 2025 |
| Aug 4, 2025 | SPOK Spok Holdings, Inc | SOpen-market sale Common Stock | -10,000 | $18.49 | $185k | 51,175 | Aug 5, 2025 |
| Aug 4, 2025 | SPOK Spok Holdings, Inc | SOpen-market sale Restricted Stock Unitderivative | -0 | $0.00 | $0 | 110,383 | Aug 5, 2025 |
| May 7, 2025 | SPOK Spok Holdings, Inc | SOpen-market sale Common Stock | -6,000 | $16.53 | $99k | 61,175 | May 8, 2025 |
| May 7, 2025 | SPOK Spok Holdings, Inc | SOpen-market sale Restricted Stock Unitderivative | -0 | $0.00 | $0 | 110,383 | May 8, 2025 |
| Nov 19, 2024 | SPOK Spok Holdings, Inc | SOpen-market sale Common Stock | -12,000 | $15.95 | $191k | 37,465 | Nov 20, 2024 |
| Nov 19, 2024 | SPOK Spok Holdings, Inc | SOpen-market sale Restricted Stock Unitderivative | -0 | $0.00 | $0 | 135,877 | Nov 20, 2024 |
Questions about Michael W Wallace
Answered from the filings on this page, as of the latest one.
Is Michael W Wallace buying or selling?
Not in the last 12 months. Michael W Wallace's latest open-market trade on SEC Form 4 was sold $193k of SPOK on Aug 25, 2025.
How did Michael W Wallace's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Michael W Wallace has 0.
Where does Michael W Wallace file Form 4?
Michael W Wallace has filed Form 4 at SPOK (Spok Holdings, Inc) as Chief Operating Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.