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

                                    FORM 144

                      NOTICE OF PROPOSED SALE OF SECURITIES
              PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933

ATTENTION: Transmit for filing 3 copies of this form concurrently with either
placing an order with a broker to execute sale or executing a sale directly with
a market maker

________________________________________________________________________________
1(a) NAME OF ISSUER (Please type or print)

Kapstone Paper & Packaging Corp
--------------------------------------------------------------------------------
1(b) IRS IDENT. NO.                    |(c) S.E.C. FILE NO.
                                       |
20-2699372                             |001-33494
--------------------------------------------------------------------------------
1(d) ADDRESS OF ISSUER              STREET

One Northfield Plaza, Suite 480 (c/o Stone-Kaplan Investments, LLC)
--------------------------------------------------------------------------------
          CITY                       STATE                  ZIP CODE

Northfield,                          IL                     60093
--------------------------------------------------------------------------------
1(d) TELEPHONE
--------------------------------------------------------------------------------
     AREA CODE           |NUMBER
                         |
     847                 |441-0929
________________________________________________________________________________
2(a) NAME OF PERSON FOR WHOSE ACCOUNT THE SECURITIES ARE TO BE SOLD

William Harris Investors, Inc.
--------------------------------------------------------------------------------
2(b) RELATIONSHIP TO ISSUER

General Partner of >10% Owner (WHI Growth Fund QP, LP)
--------------------------------------------------------------------------------
2(c) ADDRESS                        STREET

191 North Wacker Drive, Suite 1500
--------------------------------------------------------------------------------
     CITY                           STATE                  ZIP CODE
Chicago,                            IL                     60606
--------------------------------------------------------------------------------

INSTRUCTION: The person filing this notice should contact the issuer to obtain
the I.R.S. Identification Number and the S.E.C. File Number.



                                         SEC USE
3(a)           (b)                       ONLY     (c)           (d)          (e)                (f)                (g)
Title of the   Name and Address of       Broker-  Number of     Aggregate    Number of Shares   Approximate        Name of Each
Class of       Each Broker Through       Dealer   Shares or     Market       or Other Units     Date of Sale       Securities
Securities     Whom the Securities       File     Other Units   Value        Outstanding        (See instr. 3(f))  Exchange
to be Sold     are to be Offered         Number   to be Sold    (See instr.  (See instr. 3(e))  (MO. DAY YR.)      (See instr. 3(g))
               or Each Market                     (See instr.   3(d))
               Maker who is                       3(c))
               Aquiring the
               Securities
------------------------------------------------------------------------------------------------------------------------------------
                                                                                              
Warrant        Cantor Fitzgerald                  700,000       $1,694,000   40.00M             8/20/08            NASDAQ
(Note 1)       222 West Adams
               Suite 1900
               Chicago, IL 60606


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INSTRUCTIONS:
1.(a) Name of issuer
  (b) Issuer's I.R.S. Identification Number
  (c) Issuer'S S.E.C. file number, if any
  (d) Issuer's address, including zip code
  (e) Issuer's telephone number, including area code

2.(a) Name of person for whose account the securities are to be sold
  (b) Such person's relationship to the issuer (e.g., officer, director, 10%
      stockholder, or member of immediate family of any of the foregoing)
  (c) Such person's address, including zip code

3.(a) Title of the class of securities to be sold
  (b) Name and address of each broker through whom the securities are intended
      to be sold
  (c) Number of shares or other units to be sold (if debt securities, give the
      aggregate face amount)
  (d) Aggregate market value of the securities to be sold as of a specified date
      within 10 days prior to the filing of this notice
  (e) Number of shares or other units of the class outstanding, or if debt
      securities the face amount thereof outstanding, as shown by the most
      recent report or statement published by the issuer
  (f) Approximate date on which the securities are to be sold
  (g) Name of each securities exchange, if any, on which the securities are
      intended to be sold

POTENTIAL PERSONS WHO ARE TO RESPOND TO THE COLLECTION OF INFORMATION  CONTAINED
IN THIS FORM ARE NOT  REQUIRED TO RESPOND  UNLESS THE FORM  DISPLAYS A CURRENTLY
VALID OMB CONTROL NUMBER.



                         TABLE I - SECURITIES TO BE SOLD

    Furnish the following information with respect to the acquisition of the
securities to be sold and with respect to the payment of all or any part of the
                purchase price or other consideration therefor:



                                               Name of Person
                                               from Whom Acquired
Title of   Date You  Nature of                 (If gift, also give date   Amount of             Date of
the Class  Acquired  Acquisition Transaction   donor acquired)            Securities Acquired   Payment     Nature of Payment
------------------------------------------------------------------------------------------------------------------------------------
                                                                                          
Warrant    8/16/05   IPO                       IPO                        666,667 UNITS         8/16/05     CASH
(Note 1)             (Note 2)                  Morgan Joseph & Co, Inc    (Note 2)
                                               600 Fifth Avenue
                                               15th Floor
                                               NY, NY 10020


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INSTRUCTIONS:

If the securities were purchased and full payment therefore was not made in cash
at the time of purchase, explain in the table or in a note thereto the nature of
the  consideration  given. If the  consideration  consisted of any note or other
obligation,  or if payment was made in installments describe the arrangement and
state  when the  note or other  obligation  was  discharged  in full or the last
installment paid.



              TABLE II - SECURITIES SOLD DURING THE PAST 3 MONTHS

Furnish the following information as to all securities of the issuer sold during
the past 3 months by the person for whose account the securities are to be sold.



                                                                               Amount of     Gross
Name and Address of Seller         Title of Securities Sold    Date of Sale    Securities    Proceeds
-------------------------------------------------------------------------------------------------------
                                                                                 
N/A                                N/A                         N/A             N/A           N/A


-------------------------------------------------------------------------------------------------------


REMARKS:

Note 1 - Warrant to purchase one share of Common Stock par value $0.0001 @
$5.00 strike, expiring 8/15/09.

Note 2 - Originally purchased 666,667 UNITS of Stone Arcade Acquisition Corp.
One UNIT equal to one share Common Stock and two Warrants (Note 1).  Name
changed to Kapstone Paper & Packaging Corp on 3/1/2007.


INSTRUCTIONS:

See the definition of "person" in paragraph (a) of Rule 144. Information is to
be given not only as to the person for whose account the securities are to be
sold but also as to sales by all persons whose sales are required by paragraph
(e) of Rule 144 to be aggregated with sales for the account of the person filing
this notice.

ATTENTION:

The person for whose account the securities to which this notice relates are to
sold hereby represents by signing this notice that he does not know any material
adverse information in regard to the current and prospective operations of the
Issuer of the securities to be sold which have not been publicly disclosed.

                                        WILLIAM HARRIS INVESTORS, INC
                                        General Partner of
                                        WHI Growth Fund QP, LP

      August 20, 2008                   /s/ David T. Novick, Vice President
___________________________________     ________________________________________
       DATE OF NOTICE                                  (SIGNATURE)

The notice shall be signed by the person for whose account the securities are to
       be sold. At least one copy of the notice shall be manually signed.
     Any copies not manually signed shall bear typed or printed signatures.

  ATTENTION: Intentional misstatements or omission of facts constitute Federal
                   Criminal Violations (See 18 U.S.C. 1001)