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* MONTAGUE WILLIAM P (Last) (First) (Middle) 3556 LAKE SHORE ROAD P.O. BOX 2028 (Street) BUFFALO NY 14219-0228 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol GIBRALTAR INDUSTRIES, INC. [ ROCK ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 05/04/2018
	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
Deferred Stock Units(1)	05/04/2018		A		2,113(1)	A	$35.5	6,536	D
Common Stock								33,838	D
Common Stock (Restricted)								4,936	D

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
Restricted Stock Unit (MSPP Match Post-2012)	(2)							(2)	(2)	Common Stock	3,812.69		3,812.69	D
Restricted Stock Unit (MSPP Match)	(3)							(3)	(3)	Common Stock	7,431.61		7,431.61	D
Restricted Stock Unit (MSPP Post-2012)	(4)							(4)	(4)	Common Stock	3,812.69		3,812.69	D
Restricted Stock Unit (MSPP)	(5)							(5)	(5)	Common Stock	14,873.74		14,873.74	D

Explanation of Responses:

1. Represents shares of common stock which the Reporting Person is entitled to receive annually pursuant to the compensation program in effect for non-employee directors. Pursuant to the Company's Non-Employee Director Stock Deferral Plan, the Reporting Person has irrevocably elected to defer his receipt of the shares of common stock represented by the Deferred Stock Units. Six (6) months following termination of the Reporting Person's service as a Member of the Company's Board of Directors, shares of common stock represented by the Deferred Stock Units are issued to the Reporting Person in one lump sum or in five (5) or ten (10) substantially equal installments, whichever is elected by the Reporting Person.

2. Restricted stock units are forfeited if Reporting Person's service as a director of the Company is terminated prior to age sixty (60). If service as a director continues through age sixty (60), restricted stock units are payable solely in cash in one lump sum payment or in five (5) or ten (10) consecutive, substantially equal annual installments, whichever distribution form is elected by the Reporting Person, beginning six (6) months following termination of service. Each restricted stock unit is converted to cash in an amount equal to the fair market value (200 day rolling average) of one share of the Company's common stock on the date of termination of the Reporting Person's service as a director of the Company.

3. Restricted stock units are forfeited if Reporting Person's service as a director of the Company is terminated prior to age sixty (60). If service as a director continues through age sixty (60), restricted stock units are payable solely in cash in five (5) consecutive, substantially equal annual installments, beginning in January of the year following the year in which termination of service occurs. Each restricted stock unit is converted to cash in an amount equal to the fair market value (200 day rolling average) of one share of the Company's common stock on the date of termination of the Reporting Person's service as a director of the Company.

4. Restricted stock units are payable solely in cash in one lump sum payment or in five (5) or ten (10) consecutive, substantially equal annual installments, whichever distribution form is elected by the Reporting Person, beginning six (6) months following termination of service as a director of the Company. Each restricted stock unit is converted to cash in an amount equal to the fair market value (200 day rolling average) of one share of the Company's common stock on the date of termination of the Reporting Person's service as a director of the Company.

5. Restricted stock units are payable solely in cash in five (5) consecutive, substantially equal annual installments beginning in January of the year following the year in which termination of service as a member of the Company's Board of Directors occurs. Each restricted stock unit is converted to cash in an amount equal to the fair market value (200 day rolling average) of one share of the Company's common stock on the date of termination of the Reporting Person's service as a director of the Company

Remarks:

	/s/Paul J. Schulz, Attorney in Fact for William P. Montague	05/08/2018
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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