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

Filing Impact
(Moderate)
Filing Sentiment
(Positive)
Form Type
4

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.

Positive

  • None.

Negative

  • None.
Insider WALLACE MICHAEL W
Role Chief Operating Officer
Type Security Shares Price Value
Exercise Restricted Stock Units 6,460 $0.00 --
Exercise Restricted Stock Units 6,230 $0.00 --
Exercise Restricted Stock Unit 10,175 $0.00 --
Exercise Common Stock 22,865 $13.19 $302K
Tax Withholding Common Stock 10,985 $13.19 $145K
Holdings After Transaction: Restricted Stock Units — 6,460 shares (Direct); Restricted Stock Unit — 0 shares (Direct); Common Stock — 63,234 shares (Direct)
Footnotes (1)
  1. Each Restricted Stock Units ("RSUs") represents a contingent right to receive one share of the issuer's Common Stock. On January 5, 2026, 6460 RSUs vested. The remaing 6460 RSUs will vest on December 31, 2026 (e.g. "three equal annual installments") 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") On January 5, 2026, 10175 RSUs vested.
Form 4 Insider Transactions: What Each Field Means →
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
Estimated average burden
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)
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
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.

Source: View Original Filing on SEC EDGAR

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.