[Form 4] Spok Holdings, Inc Insider Trading Activity

Rhea-AI Filing Summary

Spok Holdings, Inc. insider Michael W. Wallace, the company's Chief Operating Officer, reported a sale of common stock on 08/25/2025. Wallace disposed of 10,806 shares at a price of $17.8714 per share, leaving him with 40,369 shares of Common Stock after the transaction. The filing also shows Wallace beneficially owns 110,383 Restricted Stock Units (each representing a contingent right to one share).

The Form 4 discloses only current ownership and the single open-market sale; it does not include reasons for the sale, any plan-based defenses, or forward-looking commentary. All figures are reported as of the transaction date and the filing was signed on 08/26/2025.

Positive

• None.

Negative

• Officer sale: Chief Operating Officer Michael W. Wallace sold 10,806 shares at $17.8714 on 08/25/2025

Insights

Financial Analyst

TL;DR: Officer sold a modest block of shares; ownership remains concentrated in both shares and RSUs.

The sale of 10,806 shares at $17.8714 reduced Mr. Wallace's direct common stock holdings to 40,369 shares while he retains 110,383 RSUs that convert to common shares upon vesting. This disclosure is routine for insiders and provides transparency into current holdings and recent liquidity by the officer. No additional financial context, trading plan reference, or intent is disclosed, so material impact on valuation is limited based solely on this Form 4.

Corporate Governance Expert

TL;DR: A standard Section 16 disclosure showing an officer sale and remaining equity stake via RSUs.

The filing meets Section 16 reporting requirements by documenting an officer's open-market sale and remaining beneficial ownership, including RSUs described as one-for-one share rights. There is no indication of an affiliated trading plan or other governance issues in the form. For governance monitoring, the combination of direct shares and substantial RSUs indicates ongoing alignment with shareholder interests, absent further context.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

WALLACE MICHAEL W

(Last) (First) (Middle)

C/O SPOK HOLDINGS, INC.

3000 TECHNOLOGY DRIVE, STE 400

(Street)

PLANO TX 75074

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Spok Holdings, Inc [ SPOK ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Operating Officer

3. Date of Earliest Transaction (Month/Day/Year)
08/25/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/25/2025		S		10,806	D	$17.8714	40,369	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Unit	(1)	08/25/2025		S			0	(1)	(1)	Common Stock	0	$0.00	110,383	D

Explanation of Responses:

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

	/Michael Wallace/	08/26/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What transaction did SPOK insider Michael W. Wallace report?

He reported a sale of 10,806 shares of Spok Holdings common stock on 08/25/2025 at a price of $17.8714 per share.

How many shares does Michael W. Wallace own after the reported sale?

Following the sale, he beneficially owns 40,369 shares of Common Stock.

Does Michael W. Wallace hold any restricted stock units (RSUs) in SPOK?

Yes. The Form 4 reports he beneficially owns 110,383 Restricted Stock Units, each representing a contingent right to one share of common stock.

When was the Form 4 signed?

The filing is signed by Michael Wallace on 08/26/2025.

Is there any indication this sale was part of a 10b5-1 plan?

The Form 4 does not state that the transaction was made pursuant to a 10b5-1 plan or other trading plan.