Michael W. Wallace - 05 Jan 2026 Form 4 Insider Report for Spok Holdings, Inc (SPOK)

Reporting relationship: Chief Operating Officer
Issuer ticker: SPOK
Reported as of: 05 Jan 2026
Net transaction value: +$156,697
SEC form: 4
Accepted by SEC: 07 Jan 2026, 16:30:14 UTC
Prior SEC filing: 05 Jan 2026
Next SEC filing: 04 Mar 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 07 Jan 2026.

Key facts

This page summarizes Michael W. Wallace's Form 4 filing for Spok Holdings, Inc (SPOK).
5 reported transactions and 3 derivative rows are listed below.
Accepted by SEC: 07 Jan 2026, 16:30.

Change

Previous filing in this sequence was filed on 05 Jan 2026.
Current net transaction value: +$156,697.

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: 07 Jan 2026

Reported non-derivative transactions

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

SPOK transaction

Common Stock

Options Exercise

Transaction value: $301,589
Shares: +22,865
Change %: +57%
Price: $13.19
Shares after: 63,234
Date: 05 Jan 2026
Ownership: Direct

SPOK transaction

Common Stock

Tax liability

Transaction value: $144,892
Shares: -10,985
Change %: -17%
Price: $13.19
Shares after: 52,249
Date: 05 Jan 2026
Ownership: Direct

Reported derivative securities

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

SPOK transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -6,460
Change %: -50%
Price: $0.000000
Shares after: 6,460
Date: 05 Jan 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 6,460
Exercise price
Footnotes: F1, F2

SPOK transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -6,230
Change %: -33%
Price: $0.000000
Shares after: 12,461
Date: 05 Jan 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 6,230
Exercise price
Footnotes: F1, F3

SPOK transaction Derivative

Restricted Stock Unit

Options Exercise

Transaction value: $0
Shares: -10,175
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 05 Jan 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 10,175
Exercise price
Footnotes: F1, F4

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

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

Footnote F2

On January 5, 2026, 6460 RSUs vested. The remaing 6460 RSUs will vest on December 31, 2026 (e.g. "three equal annual installments")

Footnote F3

On January 5, 2026, 6230 RSUs vested. The remaining 12461 RSUs will vest on December 31, 2026 and December 31, 2027 (e.g. "three equal annual installments")

Footnote F4

On January 5, 2026, 10175 RSUs vested.