InsidersTradesSigma
Total declarations
Company
▲ Purchases (4 ops.)
▼ Sales (8 ops.)
Insider track record
CFODisclosed buys
4
Disclosed sells
8
T+90 hit rate
100%
T+90 mean return
+2.4%
Across 1 buy signal 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, 23 disclosures have been recorded. Split: 4 buys · 8 sells. Total volume traded: €2.1m. History available since 9 July 2021. The latest transaction was disclosed on 4 March 2026 (Levée d'options). Regulator: SEC (Form 4). All data is accessible without signup.
Companies and markets linked to Wallace Michael W
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Declarations23 total
30,525 shares@ US$12.146.2% of flowCommon StockSEC:0001070123-26-000002:0
22,865 shares@ US$13.195.0% of flowCommon StockSEC:0001193125-26-006380:0
10,806 shares@ US$17.87143.6% of flowCommon StockSEC:0000950170-25-111464:0
10,000 shares@ US$18.48693.6% of flowCommon StockSEC:0000950170-25-103117:0
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
Canonical exit: 6 Jun 2023 (T+90)
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
Canonical exit: 6 Mar 2023 (T+90)
1,690 shares@ US$7.140.3% of flowCommon StockSEC:0001209191-22-047005:0
Canonical exit: 17 Nov 2022 (T+90)
2,313 shares@ US$7.190.3% of flowCommon StockSEC:0001209191-22-026776:0
Canonical exit: 1 Aug 2022 (T+90)
10,395 shares@ US$8.651.6% of flowCommon StockSEC:0001209191-22-013138:0
20,931 shares@ US$9.333.3% of flowCommon StockSEC:0001209191-22-000706:0
504 shares0Common StockSEC:0001209191-21-046164:0
23 of 23 declarations
About Wallace Michael W
WALLACE MICHAEL W is Directeur Financier and Chief Operating Officer at Spok Holdings, Inc. The record shows 23 filings in total. Across the 23 sampled filings, the most recent activity runs from 2021-07-09 to 2026-03-04, with EUR 66827 of buys and EUR 2027891 of sells, and the most frequent transaction nature is Levée d'options.
