Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
KING LUTHER CAPITAL MANAGEMENT CORP
  2. Issuer Name and Ticker or Trading Symbol
LAWSON PRODUCTS INC/NEW/DE/ [LAWS]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
301 COMMERCE SUITE 1600, 
3. Date of Earliest Transaction (Month/Day/Year)
12/01/2015
(Street)

FORT WORTH, TX 76102
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
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               1,563,662 I See footnotes (1) (2) (3) (4)

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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 Underlying Securities
(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 of Derivative Security: 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

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
KING LUTHER CAPITAL MANAGEMENT CORP
301 COMMERCE SUITE 1600
FORT WORTH, TX 76102
    X    
LKCM Private Discipline Master Fund, SPC
C/O LKCM PRIVATE DISCIPLINE MANAGEMENT
301 COMMERCE STREET, SUITE 1600
FORT WORTH, TX 76102
    X    
LKCM Investment Partnership, L.P.
301 COMMERCE STREET
SUITE 1600
FORT WORTH, TX 76102
    X    
LKCM Micro-Cap Partnership, L.P.
301 COMMERCE STREET
SUITE 1600
FORT WORTH, TX 76102
    X    
LKCM Core Discipline, L.P.
301 COMMERCE STREET, SUITE 1600
FORT WORTH, TX 76102
    X    
King Luther Jr
301 COMMERCE STREET, SUITE 1600
FORT WORTH, TX 76102
    X    
King John Bryan
301 COMMERCE STREET
SUITE 1600
FORT WORTH, TX 76102
    X    

Signatures

 J. Bryan King, for Luther King Capital Management Corporation   12/03/2015
**Signature of Reporting Person Date

 J. Bryan King, for LKCM Private Discipline Master Fund, SPC   12/03/2015
**Signature of Reporting Person Date

 J. Luther King, Jr., for LKCM Investment Partnership, L.P.   12/03/2015
**Signature of Reporting Person Date

 J. Bryan King, for LKCM Micro-Cap Partnership, L.P.   12/03/2015
**Signature of Reporting Person Date

 J. Bryan King, for LKCM Core Discipline, L.P.   12/03/2015
**Signature of Reporting Person Date

 J. Luther King, Jr.   12/03/2015
**Signature of Reporting Person Date

 J. Bryan King   12/03/2015
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) This Form 4 is filed on behalf of Luther King Capital Management Corporation (LKCM), LKCM Private Discipline Master Fund, SPC (PDP), LKCM Investment Partnership, L.P. (LIP), LKCM Micro-Cap Partnership, L.P. (Micro), LKCM Core Discipline, L.P. (Core), J. Luther King, Jr. and J. Bryan King (Reporting Persons). LKCM Private Discipline Management, L.P. holds the management shares of PDP, and LKCM Alternative Management, LLC (PDP GP) is its general partner. LKCM Investment Partnership GP, LLC (LIP GP) is the general partner of LIP. LKCM Micro-Cap Management, L.P. (Micro GP) is the general partner of Micro. LKCM Core Discipline Management, L.P. (Core GP) is the general partner of Core. LKCM is the investment manager for PDP, LIP, Micro and Core. J. Luther King, Jr. is a controlling shareholder of LKCM and controlling member of LIP GP. J. Luther King, Jr. and J. Bryan King are controlling members of PDP GP, Micro GP and Core GP.
(2) Effective December 1, 2015, PDP contributed all of its shares of Common Stock to PDLP Lawson, LLC, a special purpose vehicle wholly-owned by PDP.
(3) Includes (i) 1,336,594 shares held by PDP (through PDLP Lawson, LLC), (ii) 200,938 shares held by LIP, (iii) 17,824 shares held by Micro, (iv) 5,806 shares held by Core and (v) 2,500 shares held by a separately managed portfolio for which LKCM serves as investment adviser.
(4) Each of the Reporting Persons expressly disclaims membership in a group under the Securities Exchange Act of 1934, as amended, with respect to the securities reported herein, and this Form 4 shall not be deemed to be an admission that any such Reporting Person is a member of such a group. Each of the Reporting Persons expressly disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this Form 4 shall not be deemed to be an admission that any such Reporting Person is the beneficial owner of such securities for purposes of the Securities Exchange Act of 1934, as amended, or for any other purpose.

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