Annual Statement of Changes in Beneficial Ownership (5)

FORM 5

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
[ ] Form 3 Holdings Reported
[ ] Form 4 Transactions Reported

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^* Syvrud Cherri	2. Issuer Name and Ticker or Trading Symbol GIBRALTAR INDUSTRIES, INC. [ROCK]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __ X __ Officer (give title below) _____ Other (specify below) Senior Vice President
(Last) (First) (Middle) 3556 LAKESHORE RD., P.O. BOX 2028	3. Statement for Issuer's Fiscal Year Ended (MM/DD/YYYY) 12/31/2018
(Street) BUFFALO, NY 14219-0228 (City) (State) (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	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. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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)
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code (Instr. 8)	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock							1028.00	D
Common Stock							43.754 ⁽¹⁾	I	401(k)
Common Stock							127.348 ⁽²⁾	I	401(k)
Common Stock							220.574 ⁽³⁾	I	401(k)
Discretionary Restricted Stock Units (February 2017)							2000.00	D
Performance Stock Units (February 2017)							1350.00	D
Performance Stock Units (March 2018)							8096.00	D
Restricted Stock Unit (LTIP 6/10/2016)							911.00	D
Restricted Stock Units (LTIP 02/01/2017)							726.00	D
Restricted Stock Units (LTIP 3/1/2018)							2024.00	D

*Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g.* , puts, calls, warrants, options, convertible securities)**
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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 (MM/DD/YYYY)		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 at End of Issuer's Fiscal Year (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. Code (Instr. 8)	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)			11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Unit (MSPP Match Post-2012)							⁽⁴⁾	⁽⁴⁾	Common Stock	2184.03		2184.03	D
Restricted Stock Unit (MSPP Post-2012)							⁽⁵⁾	⁽⁵⁾	Common Stock	2184.03		2184.03	D

Explanation of Responses:
(1)	Represents total shares of common stock of the Company indirectly held by Reporting Person through her 401(k) plan as of December 31, 2016. Reporting Person's 401(k) plan purchased 43.7594 shares of common stock of the Company in the calendar year of 2016. Through inadvertence, shares of common stock acquired by the 401(k) plan for the Reporting Person were not previously reported on a Form 5.
(2)	Represents total shares of common stock of the Company indirectly held by Reporting Person through her 401(k) plan as of December 31, 2017. Reporting Person's 401(k) plan purchased 83.594 shares of common stock of the Company in the calendar year of 2017. Through inadvertence, shares of common stock acquired by the 401(k) plan for the Reporting Person were not previously reported on a Form 5.
(3)	Represents total shares of common stock of the Company indirectly held by Reporting Person through her 401(k) plan as of December 31, 2018. Reporting Person's 401(k) plan purchased 93.226 shares of common stock of the Company in the calendar year of 2018.
(4)	Restricted stock units are forfeited if Reporting Person's service as an officer of the Company is terminated prior to age sixty (60). If service as an officer 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 an officer of the Company.
(5)	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 an officer 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 an officer of the Company.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Syvrud Cherri 3556 LAKESHORE RD. P.O. BOX 2028 BUFFALO, NY 14219-0228			Senior Vice President

Signatures
/s/ Paul J. Schulz, Attorney in Fact for Cherri Syvrud		2/14/2019
^** 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).
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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