Gibraltar Industries (ROCK) VP granted 285 restricted stock units in plan

Rhea-AI Filing Summary

Catlett Janet Anne reported acquisition or exercise transactions in this Form 4 filing.

Gibraltar Industries VP and CHRO Janet Anne Catlett reported receiving a grant of 285.1700 restricted stock units on March 6, 2026. These matching units relate to her deferral of portions of annual base salary and cash incentive compensation under the company’s 2018 Management Stock Purchase Plan.

The footnotes state these restricted stock units are forfeited if her officer service ends before the fifth anniversary of the vesting start date. After that point, they are payable solely in cash in either a lump sum or installments, based on the fair market value of one share at termination.

Following the transactions, she directly holds 2,337.6200 matching restricted stock units from the 2018 plan, 866.4400 additional restricted stock units tied to deferred cash incentives, and 13,587.0000 shares of common stock.

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

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

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Catlett Janet Anne

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VP, CHRO

3. Date of Earliest Transaction (Month/Day/Year)
03/06/2026

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								13,587	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 (2018 MSPP Match)(1)	(2)	03/06/2026		A		285.17(3)		(2)	(2)	Common Stock	285.17	$0	2,337.62	D
Restricted Stock Unit (2018 MSPP)(4)	(5)							(5)	(5)	Common Stock	866.44		866.44	D

Explanation of Responses:

1. Represents matching restricted stock units allocated to the Reporting Person with respect to the Reporting Person's deferral of a portion of their annual base salary and annual cash incentive compensation pursuant to the Company's 2018 Management Stock Purchase Plan.

2. Restricted stock units are forfeited if Reporting Person's service as an officer of the Company is terminated prior to the fifth (5th) anniversary of the Reporting Person's vesting commencement date. If service as an officer continues beyond the fifth (5th) anniversary of the Reporting Person's vesting commencement date, 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 of one share of the Company's common stock, as defined in the Company's 2018 Management Stock Purchase Plan, on the date of termination of the Reporting Person's service as an officer of the Company.

3. Represents matching restricted stock units allocated to the Reporting Person with respect to the Reporting Person's deferral of a portion of their annual cash incentive compensation pursuant to the Company's 2018 Management Stock Purchase Plan.

4. Represents restricted stock units allocated to the Reporting Person with respect to the Reporting Person's deferral of a portion of their annual cash incentive compensation pursuant to the Company's 2018 Management Stock Purchase Plan.

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. Each restricted stock unit is converted to cash in an amount equal to the fair market value of one share of the Company's common stock, as defined in the Company's 2018 Management Stock Purchase Plan, on the date of termination of the Reporting Person's service as an officer of the Company.

	/s/ Jeffrey J. Watorek, Attorney-in-Fact for Janet A. Catlett	03/09/2026
	** 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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FAQ

What did Gibraltar Industries (ROCK) executive Janet Anne Catlett report in this Form 4?

She reported receiving 285.1700 restricted stock units as a grant tied to deferred salary and cash incentive compensation under Gibraltar Industries’ 2018 Management Stock Purchase Plan, along with updated totals of her restricted stock units and common stock holdings.

How many restricted stock units does Janet Anne Catlett now hold at Gibraltar Industries (ROCK)?

After the reported transactions, she holds 2,337.6200 matching restricted stock units and 866.4400 additional restricted stock units linked to deferred cash incentives, all under the company’s 2018 Management Stock Purchase Plan, in addition to her separate common stock holdings.

What are the vesting and forfeiture terms of Janet Anne Catlett’s restricted stock units at ROCK?

The units are forfeited if her service as an officer ends before the fifth anniversary of her vesting commencement date. If she serves beyond that anniversary, the units become payable solely in cash after her officer service terminates, following the plan’s distribution rules.

:When will Janet Anne Catlett’s Gibraltar Industries (ROCK) restricted stock units be paid out?

If service continues beyond the fifth vesting anniversary, the restricted stock units are paid solely in cash, either in one lump sum or in five or ten annual installments, beginning six months after her service as an officer of Gibraltar Industries ends, consistent with the plan.

How are Janet Anne Catlett’s Gibraltar Industries (ROCK) restricted stock units valued at payout?

Each restricted stock unit is converted to cash based on the fair market value of one share of Gibraltar Industries’ common stock on the date her service as an officer ends, as defined in the company’s 2018 Management Stock Purchase Plan governing these deferrals.

How many Gibraltar Industries (ROCK) common shares does Janet Anne Catlett own directly after this filing?

The filing shows she directly holds 13,587.0000 shares of Gibraltar Industries common stock following the reported transactions, in addition to her restricted stock unit positions associated with deferred compensation under the company’s 2018 Management Stock Purchase Plan.