TRIMAS CORP — Director's Dealing 2014

Oct 31, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TRIMAS CORP (TRS)
CIK: 0000842633
Period of Report: 2014-10-29

Reporting Person: Sherbin Joshua A (Vice President & Secretary)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-10-29	Common Stock	M	1460	—	Acquired	53030	Indirect
2014-10-29	Common Stock	F	462	$30.56	Disposed	52568	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-10-29	Restricted Stock Unit	$0.0	M	1460	Disposed	2013-09-30	Common Stock (1460.0)	Direct

Footnotes

F1: Each restricted stock unit represents a contingent right to receive the Fair Market Value of one share of common stock, payable only in shares of common stock.

F2: Through the Joshua A. Sherbin Revocable Trust under agreement dated February 21, 2013, as amended.

F3: The second of three installments for restricted stock units granted pursuant to the Restricted Stock Unit Agreement dated February 24, 2011 ("Agreement") and the 2006 Long Term Equity Incentive Plan, vested on October 29, 2014 in satisfaction of the trading threshold as outlined in Section II.A.1(a) of the Agreement.

F4: Subject to graduated vesting as described in footnote (3) above and Section II.A.1 of the Agreement.