Document:

Exhibit 10.5

 

TILE
SHOP HOLDINGS, Inc.

STOCK RESTRICTION AGREEMENT

 

This Agreement (the
“Agreement”) is made this the [_____] day of [_______], 20[__], by and between Tile Shop Holdings, Inc. (the
“Company”), a Delaware corporation with its principal place of business at 14000 Carlson Parkway, Plymouth, MN 55441
and [______________], an individual having an address at [________________________________] (the “Stockholder”). Capitalized
terms used by not otherwise defined herein shall have the meaning ascribed to such terms in the Company’s 2012 Equity Award
Plan (the “Plan”). To the extent that any term of this Agreement conflicts or is otherwise inconsistent with any term
of the Plan, as amended from time to time, the terms of the Plan shall take precedence and supersede any such conflict or inconsistent
term contained herein.

 

WHEREAS, pursuant to
the Plan, the Company desires to sell to the Stockholder, and the Stockholder desires to purchase [______] shares (the “Shares”)
of Common Stock, par value $0.0001 per share, of the Company (the “Common Stock”); and

 

WHEREAS, as a condition
to the purchase and sale of the shares, the parties have agreed that the Shares shall be subject to a stock restriction agreement
containing the terms and conditions herein;

 

NOW, THEREFORE, for
valuable consideration, the receipt and sufficiency of which is hereby acknowledged, the Company and the Stockholder agree as follows:

 

1.      
    Shares to be Subject to Restriction. The Stockholder agrees that the Shares shall be subject to
the Purchase Option (as defined below) set forth in Section 2 of this Agreement, to the restrictions on transfers set forth in
Section 4 of this Agreement, and to any additional provisions of the Plan applicable to such Shares during the Restriction Period.

 

2.      
    Purchase Option. If the Stockholder ceases to be an executive officer, employee, or Director of,
or a Consultant to, the Company for any reason or no reason, with or without cause, at any time prior to [___________] (the “Triggering
Event”), the Company or its assignee (to the extent permissible under applicable securities laws) shall have the right and
option (the “Purchase Option”) to purchase from the Stockholder, at a price of $[_________] per share (the “Option
Price”), the following number of Shares: [Repurchase schedule to be specified by the Compensation Committee of the Board
of Directors.]

 

Notwithstanding the foregoing provisions
of this Section 2, in the event of a Change of Control during the Restriction Period, the vesting schedule set forth in this Section
2 may be accelerated in whole or in part at the sole discretion of the Committee.

  

3.     
     Exercise of Purchase Option, Closing and Payment for Shares.

 

(a)          The
Company may exercise the Purchase Option by delivering or mailing to the Stockholder, in accordance with Section 11, written notice
of exercise within thirty (30) days after the Triggering Event together with a check in the amount of the aggregate Option Price
with respect to Shares purchase pursuant to the Purchase Option. The notice must specify the number of Shares to be purchased under
the Purchase Option. If and to the extent that the Purchase Option is not exercised, in whole or in part, within the thirty (30)
day period, the Purchase Option (or its unexercised part, as applicable) will automatically expire and terminate effective upon
the expiration of the thirty (30) day period.

 

(b)          Promptly
upon delivery or mailing to the Stockholder of the written notice and aggregate Option Price as set forth in Section 3(a) above,
the Company shall cause to be cancelled on its books and records all Shares held by the Stockholder and subject to the exercise
of the Purchase Option by the Company.

 

(c)          After
the time at which the Company delivers or mails to the Stockholder the written notice and aggregate Option Price as set forth in
Section 3(a) above, the Company shall not pay any dividend to the Stockholder on account of the Shares subject to the Purchase
Option so exercised or permit the Stockholder to exercise any of the privileges or rights of a Stockholder with respect to such
Shares, but shall, in so far as permitted by law, treat the Company as the owner of such Shares.

 

    	 

    	 

    

 

(d)          The
Option Price shall be payable in immediately available funds.

 

4.      
    Restrictions on Transfer. The Stockholder shall not, during the term of the Purchase Option, sell,
assign, transfer, pledge, hypothecate or otherwise dispose of, by operation of law or otherwise, any of the Shares, or any interest
therein, unless and until such are no longer subject to the Purchase Option.

 

5.           Effect
of Prohibited Transfer. The Company will not be required (a) to transfer on its books any Shares which have been sold or transferred
in violation of any of the provisions set forth in this Agreement, or (b) to treat as owner of such Shares, or to pay dividends
to, any transferee to whom any such Shares have been so sold or transferred.

 

6.     
     Restrictive Legend. All certificates representing Shares subject to this Agreement shall bear
a legend in substantially the following form, in addition to any other legends that may be required under applicable federal or
state securities laws:

 

	 	 	“The shares represented by this certificate are subject to an option to purchase and restrictions on transfer set forth in a certain Stock Restriction Agreement between the corporation and the registered owner of this certificate, a copy of which is available for inspection at the offices of the Secretary of the corporation.”

 

7.   
       Adjustments for Stock Splits, Stock Dividends, etc. Subject to the provisions
of Section 15 of the Plan, if from time to time during the term of the Purchase Option there is any stock split-up, stock dividend,
stock distribution or other reclassification of the Common Stock of the Company, any and all new, substituted or additional securities
to which the Stockholder is entitled by reason of its ownership of the Shares will be immediately subject to the Purchase Option,
the restrictions on transfer and the other provisions of this Agreement in the same manner and to the same extent as the Shares,
and the respective option prices shall be appropriately adjusted.

  

8.     
     Severability. The invalidity or unenforceability of any provision of this Agreement will not
affect the validity or enforceability of any other provision of this Agreement and each other provision of this Agreement will
be severable and enforceable to the extent permitted by law.

 

9.     
     Binding Effect. This Agreement is binding upon and shall inure to the benefit of the Company
and the Stockholder and their respective heirs, executors, administrators, legal representatives, successors and assigns, as applicable,
subject to the restrictions on transfer set forth in Section 4 herein.

 

10.         No
Rights to Employment. Nothing contained in this Agreement is to be construed as giving the Stockholder any right to be retained,
in any position, as an employee of the Company.

 

11.         Notice.
All notices required or permitted hereunder must be in writing and are deemed effectively given upon personal delivery or upon
deposit in the United States Post Office, by registered or certified mail, postage prepaid, addressed to the other party to this
Agreement at the address shown above, or at such other address as one party will designate to the other in accordance with this
Section 11.

 

12.         Pronouns.
Whenever the context may require, any pronouns used in this Agreement are deemed to include the corresponding masculine, feminine
or neuter forms, and the singular form of nouns and pronouns are deemed to include the plural, and vice versa.

 

13.         Entire
Agreement. This Agreement constitutes the entire agreement between the parties, and supersedes all prior agreements and understandings,
relating to the subject matter of this Agreement.

 

14.         Amendment.
This Agreement may be amended or modified only by a written instrument executed by both the Company and the Stockholder.

 

    	- 2 -

    	 

    

 

15.         Governing
Law. This Agreement shall be construed and enforced in accordance with and governed by the General Corporation Law of the State
of Delaware as to matters within the scope thereof, and as to all other matters shall be governed by and construed in accordance
with the internal laws of the State of Delaware, without giving effect to the principles of conflicts of laws thereof.

 

[Next Page is Signature Page]

 

 

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IN WITNESS WHEREOF, the parties hereto have executed this Agreement
as of the day and year first above written.

 

	 	TILE SHOP HOLDINGS, INC.
	 	 	 
	 	By:	                 
	 	Name:  Robert A. Rucker
	 	Title:  President
	 	 
	 	STOCKHOLDER
	 	 
	 	 
	 	[________________]

  

    	- 4 -THIRD AMENDMENT TO	 
	 	SECURITIES PURCHASE AGREEMENT AND CONVERTIBLE NOTE	 

 

THIS IS AMENDMENT
 (the “Amendment") being executed and delivered by and between 3DICON Corporation, an Oklahoma corporation ("3DI"),
and CP US Income Group LLC ("CPUS"), and dated as of July 22, 2013 (the “Amendment Date”) in order
to amend that certain Securities Purchase Agreement and Convertible Bridge Note dated as of August 24, 2012 .

 

RECITALS

 

WHEREAS, pursuant
to that certain Assignment and Assumption agreement dated July 16, 2013 by and between CPUS and GCA Strategic Investment Fund Limited
(“GCA”), CPUS purchased the ownership interest in that certain Convertible Bridge Note dated as of August 24, 2012,
as amended on December 21, 2012 and May 28, 2013 (the “Note”) in the face amount of $325,000 and CPUS purchased the
rights and assumed the obligations under that certain Securities Purchase Agreement dated as of August 24, 2012, as amended on
December 21, 2012 and May 28, 2013 (the “Securities Purchase Agreement”);

 

WHEREAS, The
parties to this Amendment wish to (i) amend certain terms of the Note and the Securities Purchase Agreement, (ii) restructure the
obligations underlying the Note, including the Maturity Date and the Conversion Price, and (iii) waive any and all Events of Default
arising prior to the date hereof under the Securities Purchase Agreement and Note, all as further set forth below.

 

AGREEMENT

 

NOW THEREFORE,
in consideration of the mutual promises contained in this Amendment and other good and valuable consideration, the sufficiency,
mutuality and adequacy of which are hereby acknowledged, the parties hereto hereby agree as follows:

 

1. Amendment
of the Note. The Note shall be amended such that the Maturity Date shall be extended to the first anniversary of the Amendment
Date.

 

2. Waiver of
Events of Default, Default Interest and Liquidated Damages. On execution of this Amendment, any and all Events of Default,
Default Interest and Liquidated Damages, as set forth in the Securities Purchase Agreement and Note, occurring or owed by 3DI prior
to this amendment shall be deemed waived without further recourse by CPUS.

 

3. Conversion
Price. In consideration for the waivers and accommodations agreed to by CPUS in this Amendment, the Conversion Price as
set forth in Section 4.2 of the Note shall be amended to the greater of (i) the par value of the Common Stock, or (ii) 60% of the
lowest closing bid price, as reported by Bloomberg, L.P., for the 10 trading days prior to the Conversion Date.

 

    	 

    	 

    

 

4. Registration.
In connection with this Amendment, 3DI shall file a Prospectus Supplement to 3DI’s Form 424B3 filed on February 15, 2013
in order to identify CPUS as a Selling Stockholder, which right CPUS acquired from GCA. CPUS agrees and acknowledges that 3DI does
not have any obligations to keep effective the Registration Statement under which such Prospectus Supplement shall be filed.

 

5. New York Law
and Jurisdiction. Section 14.8 of the Securities Purchase Agreement and Section 8 of the Note shall be amended to change
the construction of law from State of Georgia to the State of New York and the exclusive jurisdiction from the United District
Court for the Northern District of Georgia and of any Federal District Court sitting in Atlanta, Georgia to the United District
Court of the Southern District of New York and of any Federal District Court sitting in New York, New York.

 

6. No Other Effect
on the Securities Purchase Agreement or Note. The Securities Purchase Agreement and the Note remain in full force and effect,
except as amended by this Amendment.

 

7. Effective
Date.  This Amendment shall be effective as of the Amendment Date.

 

8. Miscellaneous.

 

(a) Captions; Certain
Definitions. Titles and captions of or in this Amendment are inserted only as a matter of convenience and for reference and
in no way define, limit, extend or describe the scope of this Amendment or the intent of any of its provisions. All capitalized
terms not otherwise defined herein shall have the meaning therefor, as set forth in the Securities Purchase Agreement and Convertible
Bridge Note.

 

(b) Controlling Law.
This Amendment is governed by, and shall be construed and enforced in accordance with the laws of the State of New York (except
the laws of that jurisdiction that would render such choice of laws ineffective).

 

(c) Counterparts.
This Amendment may be executed in one or more counterparts (one counterpart reflecting the signatures of all parties), each of
which shall be deemed to be an original, and it shall not be necessary in making proof of this Amendment or its terms to account
for more than one of such counterparts. This Amendment may be executed by each party upon a separate copy, and one or more execution
pages may be detached from a copy of this Amendment and attached to another copy in order to form one or more counterparts.

 

(Signature Pages Follow)

 

    	 

    	 

    

 

IN WITNESS WHEREOF, this Amendment has been
executed and delivered by 3DI and CPUS as of the date first set forth above.

 

	3DI:	3DIcon Corporation
	 	 
	 	By: 	   /s/
    Mark Willner
	 	 	 
	 	Name: Mark Willner
	 	Title: CEO
	 	 
	CPUS:	CP US Income Group LLC
	 	 
	 	By:	   /s/ Greg
    Connell
	 	 	 
	 	Name: Greg Connell
	 	Title: Managing Director

 

* * * * *

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