Wallace Michael W insider trades
Wallace Michael W has filed 29 Form 4s with the SEC that we hold, all for Spok Holdings, Inc (SPOK), as Chief Operating Officer. Across all of them we count 4 purchases worth $69.8K and 8 sales worth $2.2M reported on Form 4. None of these purchases or sales is dated in the last 12 months. The largest single trade was a sale of 40,000 shares of Spok Holdings, Inc worth $689.6K, dated 2024-03-01. The first filing on our record is dated 2021-07-09 and the latest 2026-08-04.
Spok Holdings, Inc (SPOK)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2022-05-03 | P, purchase reported on Form 4 | 2,313 | $16.6K | 2022-05-03 |
| 2022-08-19 | P, purchase reported on Form 4 | 1,690 | $12.1K | 2022-08-22 |
| 2022-12-06 | P, purchase reported on Form 4 | 2,000 | $15.5K | 2022-12-06 |
| 2023-03-08 | P, purchase reported on Form 4 | 2,500 | $25.6K | 2023-03-08 |
| 2023-12-01 | S, sale reported on Form 4 | 20,000 | $332.8K | 2023-12-05 |
| 2024-03-01 | S, sale reported on Form 4 | 40,000 | $689.6K | 2024-03-04 |
| 2024-08-20 | S, sale reported on Form 4 | 25,000 | $370.0K | 2024-08-21 |
| 2024-11-19 | S, sale reported on Form 4 | 12,000 | $191.4K | 2024-11-20 |
| 2025-03-04 | S, sale reported on Form 4 | 10,000 | $165.3K | 2025-03-05 |
| 2025-05-07 | S, sale reported on Form 4 | 6,000 | $99.2K | 2025-05-08 |
| 2025-08-04 | S, sale reported on Form 4 | 10,000 | $184.9K | 2025-08-05 |
| 2025-08-25 | S, sale reported on Form 4 | 10,806 | $193.1K | 2025-08-26 |
Counted from the Form 4 filings this reporting owner (SEC CIK 1070123) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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