SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* Swart Paul (Last) (First) (Middle) 39400 WOODWARD AVENUE STE. 130 (Street) BLOOMFIELD HILLS MI 48304 (City) (State) (Zip)	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
	3. Date of Earliest Transaction (Month/Day/Year) 11/10/2016
	4. If Amendment, Date of 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

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)

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 Securities Underlying Derivative Security (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: 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)

Explanation of Responses:

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.

Remarks:

	/s/ Joshua A. Sherbin attorney-in-fact	11/14/2016
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
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