InsidersTradesSigma
Total declarations
Company
▲ Purchases (4 ops.)
▼ Sales (6 ops.)
Insider track record
CFODisclosed buys
4
Disclosed sells
6
T+90 hit rate
50%
T+90 mean return
-4.9%
Across 6 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the detailed record of transactions filed by WALLACE MICHAEL W, Chief Financial Officer. Director active across 1 company, notably Spok Holdings, Inc. Cumulatively, 21 disclosures have been recorded. Split: 4 buys · 6 sells. Total volume traded: €1.8m. History available since 9 July 2021. The latest transaction was disclosed on 7 May 2025 (Cession). Regulator: SEC (Form 4). All data is accessible without signup.
Declarations21 total
6,000 shares@ US$16.52782.0% of flowCommon StockSEC:0000950170-25-067069:0
34,682 shares@ US$16.8512.3% of flowCommon StockSEC:0000950170-25-035546:0
10,000 shares@ US$16.53313.6% of flowCommon StockSEC:0000950170-25-033686:0
28,195 shares@ US$16.0510.0% of flowCommon StockSEC:0000950170-25-001233:0
12,000 shares@ US$15.94854.1% of flowCommon StockSEC:0000950170-24-129316:0
25,000 shares@ US$14.7987.5% of flowCommon StockSEC:0000950170-24-099509:0
40,000 shares@ US$17.235614.4% of flowCommon StockSEC:0000950170-24-024805:0
26,307 shares@ US$16.929.3% of flowCommon StockSEC:0000950170-24-023810:0
30,721 shares@ US$15.489.8% of flowCommon StockSEC:0000950170-24-001822:0
20,000 shares@ US$16.646.9% of flowCommon StockSEC:0001209191-23-057377:0
2,500 shares@ US$10.250.5% of flowCommon StockSEC:0001209191-23-017145:0
Ideal exit: 3 Dec 2023 (T+270)
20,556 shares@ US$9.304.1% of flowCommon StockSEC:0001209191-23-015367:0
28,722 shares@ US$8.195.0% of flowCommon StockSEC:0001209191-23-000785:0
2,000 shares@ US$7.760.3% of flowCommon StockSEC:0001209191-22-059984:0
Ideal exit: 2 Sept 2023 (T+270)
1,690 shares@ US$7.140.3% of flowCommon StockSEC:0001209191-22-047005:0
Ideal exit: 16 May 2023 (T+270)
2,313 shares@ US$7.190.0070% mcap3.6% of flowCommon StockSEC:0001209191-22-026776:0
Ideal exit: 28 Jan 2023 (T+270)
10,395 shares@ US$8.650.035% mcap18.2% of flowCommon StockSEC:0001209191-22-013138:0
20,931 shares@ US$9.333.9% of flowCommon StockSEC:0001209191-22-000706
20,931 shares@ US$9.330.076% mcap39.1% of flowCommon StockSEC:0001209191-22-000706:0
504 shares0Common StockSEC:0001209191-21-046164:0
504 shares0Common StockSEC:0001209191-21-046164
21 of 21 declarations
About WALLACE MICHAEL W
Michael W. Wallace is the COO and CFO at Spok Holdings, Inc. In this role, he oversees the financial and strategic operations of the company, contributing to its financial health.
