Spok Holdings (NASDAQ: SPOK) COO reports RSU vesting and share sale

Rhea-AI Filing Summary

Spok Holdings, Inc. Chief Operating Officer Michael Wallace reported equity transactions tied to vesting of restricted stock units (RSUs) and related share withholding. On January 5, 2026, 22,865 shares of common stock were acquired at $13.19 per share through RSU conversions, increasing his directly held common stock to 63,234 shares before tax withholding. On the same date, 10,985 shares of common stock were disposed of at $13.19 per share in a transaction coded "F," reflecting shares withheld to cover tax obligations, leaving 52,249 common shares held directly.

Footnotes show that 6,460 RSUs vested on January 5, 2026, with another 6,460 RSUs scheduled to vest on December 31, 2026. An additional 6,230 RSUs vested that day, with 12,461 RSUs scheduled to vest on December 31, 2026 and December 31, 2027. A separate grant of 10,175 RSUs also vested on January 5, 2026, each RSU representing the right to receive one share of common stock.

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

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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)
01/05/2026

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	01/05/2026		M		22,865	A	$13.19	63,234	D
Common Stock	01/05/2026		F		10,985	D	$13.19	52,249	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 Units	(1)	01/05/2026		M			6,460	(2)	(2)	Common Stock	6,460	$0.00	6,460	D
Restricted Stock Units	(1)	01/05/2026		M			6,230	(3)	(3)	Common Stock	6,230	$0.00	12,461	D
Restricted Stock Unit	(1)	01/05/2026		M			10,175	(4)	(4)	Common Stock	10,175	$0.00	0	D

Explanation of Responses:

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

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

3. 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")

4. On January 5, 2026, 10175 RSUs vested.

	/Michael Wallace/	01/07/2026
	** Signature of Reporting Person	Date
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FAQ

What insider activity did Spok (SPOK) report for Michael Wallace on January 5, 2026?

The filing shows that Chief Operating Officer Michael Wallace acquired 22,865 shares of Spok common stock at $13.19 per share through RSU conversions and had 10,985 shares disposed of at $13.19 per share to cover tax obligations, resulting in 52,249 common shares held directly afterward.

How many Spok (SPOK) common shares does Michael Wallace hold after these transactions?

After the January 5, 2026 transactions, Michael Wallace directly holds 52,249 shares of Spok Holdings common stock, as reported in the Form 4.

What RSU grants for Spok (SPOK) COO Michael Wallace vested on January 5, 2026?

On January 5, 2026, 6,460 RSUs, 6,230 RSUs, and 10,175 RSUs vested for Michael Wallace. Each RSU represents a contingent right to receive one share of Spok common stock.

What future vesting remains from Michael Wallace’s RSUs at Spok (SPOK)?

Footnotes state that an additional 6,460 RSUs are scheduled to vest on December 31, 2026, and 12,461 RSUs are scheduled to vest on December 31, 2026 and December 31, 2027.

What do the transaction codes M and F mean in Michael Wallace’s Spok (SPOK) Form 4?

In this Form 4, code "M" is used for the exercise or conversion of derivative securities (here, RSUs converting into common stock), while code "F" is used for shares disposed of to satisfy tax withholding obligations associated with equity awards.

Is Michael Wallace’s ownership in Spok (SPOK) reported as direct or indirect?

The Form 4 reports Michael Wallace’s holdings as direct ownership (D) for both the RSUs and the common stock, with no indirect ownership entity indicated in the footnotes.