13D Filing: King Luther Capital Management Corp and Lawson Products Incw (NASDAQ:LAWS)

This Amendment No. 13 to Schedule 13D amends and supplements the Schedule 13D filed by the Reporting Persons
with respect to the Common Stock, par value $1.00 per share (Common Stock), of Lawson Products, Inc. (the Issuer). Except as set forth below, all previous Items remain unchanged. Capitalized terms used herein but not defined
herein shall have the meanings given to them in the Schedule 13D, as amended, filed with the Securities and Exchange Commission. Each of the Reporting Persons hereby expressly disclaims membership in a group under the Securities Exchange
Act of 1934 with respect to the securities reported herein, and this Schedule 13D 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 hereby expressly disclaims beneficial
ownership of the securities reported herein, other than to the extent of its pecuniary interest therein, and this Schedule 13D shall not be deemed to be an admission that any such Reporting Person is the beneficial owner of the securities reported
herein for purposes of the Securities Exchange Act of 1934 or for any other purpose.

Item 4. Purpose of Transaction

Item 4 is hereby supplemented as follows:

Effective
March 20, 2017, J. Bryan King was appointed to fill a vacant seat on the Issuers board of directors. Mr. King has also been nominated by the Issuers board of directors for election at the Issuers annual shareholders
meeting on May 16, 2017 to serve an additional three-year term. Mr. King intends to engage in communications with directors and officers of the Issuer, including discussions regarding the Issuers operations and strategic direction,
that could result in, among other things, any of the matters identified in Item 4(a)-(j) of Schedule 13D.

Item 6. Contracts,
Arrangements, Understandings or Relationships with Respect to Securities of the Issuer

Item 6 is hereby supplemented as follows:

Information regarding Mr. Kings appointment to the Issuers board of directors appears in response to Item 4 and is incorporated by
reference herein.

Item 7. Material to Be Filed as Exhibits

Item 7 is hereby supplemented as follows:

Exhibit
2     Confidentiality Agreement, dated March 20, 2017, by and between LKCM and the Issuer.