If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. Checkbox not checked

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).






SCHEDULE 13D




Comment for Type of Reporting Person:
1 Represents 3,191,180 shares of common stock, par value $0.0001 per share (the "Common Stock"), of Tile Shop Holdings, Inc. (the "Issuer") held by JWTS, Inc. ("WTS"). Peter J. Jacullo III ("Jacullo") is the President and the sole member of the board of directors of JWTS, holds sole voting and dispositive power over the securities held by JWTS, and may be deemed to beneficially own the securities held by JWTS. 2 The aggregate percentage of shares of Common Stock reported owned herein is based upon 39,869,711 shares outstanding as of the close of business on December 29, 2025, which is the total number of shares outstanding as reported to the Reporting Persons (as defined below) by the Issuer.


SCHEDULE 13D




Comment for Type of Reporting Person:
1 Includes 3,191,180 shares of Common Stock held by JWTS. Mr. Jacullo as the President and the sole member of the board of directors of JWTS holds sole voting and dispositive power over the securities held by JWTS, and may be deemed to beneficially own the securities held by JWTS. 2 Represents 4,706,489 shares of Common Stock held by the Katherine D. Jacullo Children's 1993 Irrevocable Trust (the "Trust," and together with JWTS and Mr. Jacullo, the "Reporting Persons"). Mr. Jacullo and George P. Alberici (Mr. "Alberici") as co-trustees of the Trust hold shared voting and dispositive power over the securities held by the Trust, and may be deemed to beneficially own the securities held by the Trust.


SCHEDULE 13D




Comment for Type of Reporting Person:
1 Represents 4,706,489 shares of Common Stock held by the Trust. Messrs. Jacullo and Alberici as co-trustees of the Trust hold shared voting and dispositive power over the securities held by the Trust, and may be deemed to beneficially own the securities held by the Trust. 2 The aggregate percentage of shares of Common Stock reported owned herein is based upon 39,869,711 shares outstanding as of the close of business on December 29, 2025, as reported to the Reporting Persons by the Issuer.


SCHEDULE 13D


 
JWTS, INC.
 
Signature:/s/ Peter J. Jacullo III
Name/Title:Peter J. Jacullo III/President
Date:01/05/2026
 
Peter J. Jacullo III
 
Signature:/s/ Peter J. Jacullo III
Name/Title:Peter J. Jacullo III
Date:01/05/2026
 
Katherine D. Jacullo Children's 1993 Irrevocable Trust
 
Signature:/s/ Peter J. Jacullo III
Name/Title:Peter J. Jacullo III/Co-Trustee
Date:01/05/2026
 
Signature:/s/ George Alberici
Name/Title:George Alberici/Co-Trustee
Date:01/05/2026

EXHIBIT 99.4

JOINT FILING AGREEMENT

The undersigned acknowledge and agree that the foregoing statement on Schedule 13D is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13D may be filed on behalf of each of the undersigned without the necessity of filing additional joint filing agreements. The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning him or it contained herein or therein, but shall not be responsible for the completeness and accuracy of the information concerning the others, except to the extent that he or it knows or has reason to believe that such information is inaccurate.

DATE:     January 5, 2026  
   
  JWTS, INC.
   
  By:
/s/ Peter J. Jacullo III
  Name: Peter J. Jacullo III
  Its: President
   
  PETER J. JACULLO III
   
  /s/ Peter J. Jacullo III

 
KATHERINE D. JACULLO CHILDREN’S 1993  IRREVOCABLE TRUST
 
 
 
By:
 /s/ Peter J. Jacullo III
 
Name: Peter J. Jacullo III
 
Its: Co-Trustee
   
 
By:
/s/ George Alberici
 
Name: George Alberici
 
Its: Co-Trustee