CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) May 7, 2010

TRIMAS CORPORATION

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code (248) 631-5400

Not Applicable

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o            Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o            Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o            Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o            Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 7.01  Regulation FD Disclosure.

TriMas Corporation (the “Corporation”) issued a press release on May 7, 2010, announcing that it will host its first Analyst Day at NASDAQ MarketSite located at 4 Times Square in New York City on Thursday, May 13, 2010.  The event will begin at 8:00 a.m. Eastern Time and is by invitation only.  Members of the Corporation’s senior management will be making presentations that may include material non-public information, including information related to the Company’s strategic goals, key business strategies, growth initiatives and productivity projects.  A live webcast of the meeting and the accompanying presentations will be available on the Corporation’s website at www.trimascorp.com under the Investor Relations section.  A copy of the press release is attached hereto as Exhibit 99.1.

The information furnished pursuant to this Item 7.01, including Exhibits 99.1 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) or otherwise subject to the liabilities under that Section and shall not be deemed to be incorporated by reference into any filing of the Corporation under the Securities Act of 1933, as amended or the Exchange Act.

Item 9.01  Financial Statements and Exhibits.

(d)            Exhibits. The following exhibits are furnished herewith:

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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Exhibit 99.1

TRIMAS CORPORATION ANNOUNCES ANALYST DAY

AND CLOSING BELL CEREMONY ON MAY 13, 2010 AT NASDAQ MARKETSITE

BLOOMFIELD HILLS, Michigan, May 7, 2010 — TriMas Corporation (NASDAQ: TRS) — a diversified global manufacturer of engineered and applied products — today announced that it will hold an Analyst Day and will preside over NASDAQ’s closing bell ceremony at NASDAQ MarketSite located at 4 Times Square in New York City on Thursday, May 13, 2010. The event will begin at 8:00 a.m. and is by invitation only.

TriMas’ executive team will present the company’s strategic goals and an update on key business strategies, growth initiatives and productivity projects, as well as provide time for questions and answers. Presenters will include:

·                  David M. Wathen, President and Chief Executive Officer

·                  A. Mark Zeffiro, Chief Financial Officer

·                  Lynn Brooks, President, Rieke Packaging Systems

·                  Len Turner, President, Arrow Engine

·                  Kurt Allen, President, Lamons Gasket

·                  Tom Benson, President, Cequent Performance Products

·                  John Aleva, President, Cequent Consumer Products

·                  Jerry VanAuken, President, Norris Cylinder

·                  Eli Crotzer, President, Precision Tool Company & Hi-Vol

·                  Tom Aepelbacher, Vice President, Global Sourcing

The event will be available to the public via a live webcast. Interested parties may access the event on the internet at http://ir.trimascorp.com/events.cfm. To listen to the live event, please go to the website at least 15 minutes early to register, download, and install any necessary audio software. For those who cannot listen to the live broadcast, a replay, including slides, will be available within 24 hours after the event. The televised Closing Bell ceremony will be broadcast live via webcast at http://www.nasdaq.com/about/marketsitetowervideo.asx

About TriMas

Headquartered in Bloomfield Hills, Michigan, TriMas Corporation (NASDAQ: TRS) provides engineered and applied products for growing markets worldwide. TriMas Corporation is organized into five strategic business segments: Packaging, Energy, Aerospace & Defense, Engineered Components and Cequent. TriMas Corporation has approximately 3,900 employees at over 60 different facilities in 11 countries. For additional information, please visit www.trimascorp.com.

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