CORE MOLDING TECHNOLOGIES INC — Director's Dealing 2011

Aug 31, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CORE MOLDING TECHNOLOGIES INC (CMT)
CIK: 0001026655
Period of Report: 2011-08-30

Reporting Person: PRINE MALCOLM M (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-08-30	Common Stock	M	76145	$3.21	Acquired	153864	Direct
2011-08-30	Common Stock	S	132145	$9.53	Disposed	21719	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-08-30	Director Stock Options	$3.21	M	76145	Disposed	2014-02-02	Common Stock (76145)	Direct

Footnotes

F1: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $9.50 to $9.70, inclusive. 56,000 of these shares were sold on the open market pursuant to a 10b5-1 trading plan adopted by the reporting person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended. The reporting person undertakes to provide to Core Molding Technologies, Inc., any security holder of Core Molding Technologies, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4.