WALLACE MICHAEL W — SEC Form 4 filings
SEC reporting owner CIK 1070123. 17 Form 4 filings on record with FilingPulse; latest filed 2026-08-04.
Transaction summary — filings shown
Covers all 17 filings on record, filed 2024-01-04 to 2026-08-04. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 7 legs across 7 filings — 113,806 shares, $1,893,241 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 42.
- Largest priced transaction: sale of 40,000 shares @ $17.24 ($689,424) in Spok Holdings, Inc, filed 2024-03-04.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Spok Holdings, Inc (SPOK) | Chief Operating Officer | 17 | — | 7 legs · 113,806 sh · $1,893,241 | 42 |
Form 4 filings — WALLACE MICHAEL W
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-04 | 4 | Spok Holdings, Inc (SPOK) | Grant/award (A): 13,761 (derivative) @ $0 · Grant/award (A): 13,761 (derivative) @ $0 | EDGAR |
| 2026-03-04 | 4 | Spok Holdings, Inc (SPOK) | Option exercise (M): 30,525 @ $12.14 · Grant/award (A): 9,157 @ $12.14 · Tax withholding (F): 17,897 @ $12.14 · Option exercise (M): 30,525 (derivative) @ $0 | EDGAR |
| 2026-01-07 | 4 | Spok Holdings, Inc (SPOK) | Option exercise (M): 22,865 @ $13.19 · Tax withholding (F): 10,985 @ $13.19 · Option exercise (M): 6,460 (derivative) @ $0 · Option exercise (M): 6,230 (derivative) @ $0 · Option exercise (M): 10,175 (derivative) @ $0 | EDGAR |
| 2026-01-05 | 4 | Spok Holdings, Inc (SPOK) | Grant/award (A): 34,117 (derivative) @ $0 · Grant/award (A): 34,116 (derivative) @ $0 | EDGAR |
| 2025-08-26 | 4 | Spok Holdings, Inc (SPOK) | Sale (S): 10,806 @ $17.87 · Sale (S): 0 (derivative) @ $0 | EDGAR |
| 2025-08-05 | 4 | Spok Holdings, Inc (SPOK) | Sale (S): 10,000 @ $18.49 · Sale (S): 0 (derivative) @ $0 | EDGAR |
| 2025-05-08 | 4 | Spok Holdings, Inc (SPOK) | Sale (S): 6,000 @ $16.53 · Sale (S): 0 (derivative) @ $0 | EDGAR |
| 2025-03-07 | 4 | Spok Holdings, Inc (SPOK) | Option exercise (M): 34,682 @ $16.85 · Grant/award (A): 10,404 @ $16.85 · Tax withholding (F): 20,334 @ $16.85 · Option exercise (M): 34,682 (derivative) @ $0 | EDGAR |
| 2025-03-05 | 4 | Spok Holdings, Inc (SPOK) | Sale (S): 10,000 @ $16.53 · Sale (S): 0 (derivative) @ $0 | EDGAR |
| 2025-01-03 | 4 | Spok Holdings, Inc (SPOK) | Option exercise (M): 28,195 @ $16.05 · Tax withholding (F): 13,237 @ $16.05 · Option exercise (M): 10,175 (derivative) @ $0 · Option exercise (M): 6,459 (derivative) @ $0 · Option exercise (M): 11,561 (derivative) @ $0 | EDGAR |
| 2025-01-03 | 4 | Spok Holdings, Inc (SPOK) | Grant/award (A): 18,692 (derivative) @ $0 · Grant/award (A): 18,691 (derivative) @ $0 | EDGAR |
| 2024-11-20 | 4 | Spok Holdings, Inc (SPOK) | Sale (S): 12,000 @ $15.95 · Sale (S): 0 (derivative) @ $0 | EDGAR |
| 2024-08-21 | 4 | Spok Holdings, Inc (SPOK) | Sale (S): 25,000 @ $14.80 · Sale (S): 0 (derivative) @ $0 | EDGAR |
| 2024-03-04 | 4 | Spok Holdings, Inc (SPOK) | Sale (S): 40,000 @ $17.24 · Sale (S): 0 (derivative) @ $0 | EDGAR |
| 2024-03-01 | 4 | Spok Holdings, Inc (SPOK) | Option exercise (M): 26,307 @ $16.92 · Tax withholding (F): 11,865 @ $16.92 · Option exercise (M): 26,307 (derivative) @ $0 · Tax withholding (F): 647 (derivative) @ $0 | EDGAR |
| 2024-01-04 | 4 | Spok Holdings, Inc (SPOK) | Option exercise (M): 30,721 @ $15.48 · Tax withholding (F): 14,415 @ $15.48 · Option exercise (M): 11,561 (derivative) @ $0 · Option exercise (M): 10,175 (derivative) @ $0 · Option exercise (M): 8,985 (derivative) @ $0 | EDGAR |
| 2024-01-04 | 4 | Spok Holdings, Inc (SPOK) | Grant/award (A): 19,380 (derivative) @ $0 · Grant/award (A): 19,379 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-04 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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