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 *
Swart Paul
  2. Issuer Name and Ticker or Trading Symbol
TRIMAS CORP [TRS]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chief Accounting Officer
(Last)
(First)
(Middle)
39400 WOODWARD AVENUE, STE. 130
3. Date of Earliest Transaction (Month/Day/Year)
11/10/2016
(Street)

BLOOMFIELD HILLS, MI 48304
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ 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 11/10/2016   M   473 A $ 19.42 23,081 I See Footnote (1)
Common Stock 11/10/2016   F   448 D $ 21.05 22,633 I See Footnote (1)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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
Employee Stock Option (Right to buy) (2) $ 23 11/10/2016   M     473 (3) 04/01/2010 04/01/2017 Common Stock 473 $ 19.42 0 I See Footnote (1)

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Swart Paul
39400 WOODWARD AVENUE
STE. 130
BLOOMFIELD HILLS, MI 48304
      Chief Accounting Officer  

Signatures

 /s/ Joshua A. Sherbin attorney-in-fact   11/14/2016
**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) Through the Swart Family Revocable Living Trust under agreement dated June 10, 2013.
(2) In connection with the spin-off of Horizon Global Corporation by the Issuer on June 30, 2015, this option (originally granted on April 1, 2007 and expiring on April 1, 2017, for 2,000 shares, with 400 shares outstanding at the time of the spin-off, with an exercise price of $23.00 per share) was adjusted to generally preserve the value of the original option as of June 30, 2015.
(3) Option to purchase shares of common stock of the Company granted April 1, 2007 under the TriMas Corporation 2002 Long Term Equity Incentive Plan, 80% of the shares subject to this Option vested in three equal annual installments on each of April 1, 2008, April 1, 2009 and April 1,2010; the remaining 20% of the shares subject to this Option vested April 1, 2014.

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