Michael W. Wallace - 04 Mar 2026 Form 4 Insider Report for Spok Holdings, Inc (SPOK)

Reporting relationship: Chief Operating Officer
Issuer ticker: SPOK
Reported as of: 04 Mar 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 04 Mar 2026, 16:30:22 UTC
Prior SEC filing: 07 Jan 2026
Next SEC filing: 04 Aug 2026
Source filing: View source filing
Reporting owner signature: /Michael Wallace/

Key filing fact

Michael W. Wallace filed Form 4 for Spok Holdings, Inc (SPOK) on 04 Mar 2026.

Key facts

This page summarizes Michael W. Wallace's Form 4 filing for Spok Holdings, Inc (SPOK).
4 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 04 Mar 2026, 16:30.

Change

Previous filing in this sequence was filed on 07 Jan 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001070123 Primary reporting owner

WALLACE MICHAEL W

Relationship: Chief Operating Officer
Address: C/O SPOK HOLDINGS, INC., 3000 TECHNOLOGY DRIVE, STE 400, PLANO
Signature: /Michael Wallace/
Signature date: 04 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SPOK transaction

Common Stock

Options Exercise

Transaction value
Shares: +30,525
Change %: +58%
Price: $12.14^*
Shares after: 82,774
Date: 04 Mar 2026
Ownership: Direct
Footnotes: F1

SPOK transaction

Common Stock

Award

Transaction value
Shares: +9,157
Change %: +11%
Price: $12.14^*
Shares after: 91,931
Date: 04 Mar 2026
Ownership: Direct
Footnotes: F2

SPOK transaction

Common Stock

Tax liability

Transaction value
Shares: -17,897
Change %: -19%
Price: $12.14^*
Shares after: 74,034
Date: 04 Mar 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

SPOK transaction Derivative

Restricted Stock Unit

Options Exercise

Transaction value
Shares: -30,525
Change %: -20%
Price: $0.000000^*
Shares after: 125,226
Date: 04 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 30,525
Exercise price
Footnotes: F1, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

On January 3, 2023, Mr. Wallace was granted an award of Restricted Stock Units ("RSUs"), which vest in the form of Common Stock if specified performance objectives of the Company set forth in the 2023 Long Term Incentive Plan ("LTIP") are achieved for the year ending December 31, 2025. On March 4, 2026, shares were issued upon vesting of the RSUs.

Footnote F2

On March 4, 2026, the Compensation Committee of the Company's Board of Directors determined that the performance objective targets under the RSU award had been exceeded, resulting in the award and vesting of additional shares of Common Stock reported herein.

Footnote F3

Each Restricted Stock Units ("RSUs") represents a contingent right to receive one share of the issuer's Common Stock.