# EDGAR Filing Document

**Accession Number:** 0001675953
**File Stem:** 0001127602-23-008997
**Filing Date:** 2023-3
**Character Count:** 8735
**Document Hash:** 05c56adbfe292d928c75887ad1eaaa3f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001127602-23-008997.hdr.sgml**: 20230306

**ACCESSION NUMBER**: 0001127602-23-008997

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20230302

**FILED AS OF DATE**: 20230306

**DATE AS OF CHANGE**: 20230306

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Bosway William T
- **CENTRAL INDEX KEY:** 0001675953

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-22462
- **FILM NUMBER:** 23708110

**MAIL ADDRESS:**
- **STREET 1:** 3005 HIGHLAND PARKWAY
- **STREET 2:** SUITE 200
- **CITY:** DOWNERS GROVE
- **STATE:** IL
- **ZIP:** 60515
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** GIBRALTAR INDUSTRIES, INC.
- **CENTRAL INDEX KEY:** 0000912562
- **STANDARD INDUSTRIAL CLASSIFICATION:** STEEL WORKS, BLAST FURNACES & ROLLING & FINISHING MILLS [3310]
- **IRS NUMBER:** 161445150
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 3556 LAKE SHORE ROAD
- **STREET 2:** P O BOX 2028
- **CITY:** BUFFALO
- **STATE:** NY
- **ZIP:** 14219-0228
- **BUSINESS PHONE:** 7168266500

**MAIL ADDRESS:**
- **STREET 1:** GATEWAY EXECUTIVE PARK
- **STREET 2:** 3556 LAKE SHORE ROAD PO BOX 2028
- **CITY:** BUFFALO
- **STATE:** NY
- **ZIP:** 14219-0228

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** GIBRALTAR STEEL CORP
- **DATE OF NAME CHANGE:** 19930924

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

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] 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**<sup>*</sup><br>Bosway William T<br><sub>(Last) (First) (Middle)</sub><br>3556 LAKE SHORE ROAD<br>P.O. BOX 2028<br><sub>(Street)</sub><br>BUFFALO, NY 14219-0228<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-03-02 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_President and CEO_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>GIBRALTAR INDUSTRIES, INC. [ ROCK ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2023-03-02 |  | F |  | 13213 | D | $53.48 | 144654 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Restricted Stock Unit (2018 MSPP Match)<sup>(1)</sup> | <sup>(2)</sup> |  |  |  |  |  |  | <sup>(2)</sup> | <sup>(2)</sup> | Common Stock | 18526.68 |  | 18526.68 | D |  |
| Restricted Stock Unit (2018 MSPP)<sup>(3)</sup> | <sup>(4)</sup> |  |  |  |  |  |  | <sup>(4)</sup> | <sup>(4)</sup> | Common Stock | 29218.51 |  | 29218.51 | D |  |
| Special Performance Stock Unit (March 2020)<sup>(5)</sup> | $0 |  |  |  |  |  |  | <sup>(5)</sup> | <sup>(5)</sup> | Common Stock | 12000 |  | 12000 | D |  |

---

### Footnotes:

(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 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.

(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.  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.

(5) Represents Performance Stock Units issued to the Reporting Person under the Registrant's 2018 Equity Incentive Plan at target.  The Performance Stock Units may be earned at 0% to 200% of target based on the Registrant's three-year total stockholder return relative to the S&P Small Cap 600 Industrial Sector Index. Each earned Performance Stock Unit will represent a right to receive one share of the Registrant's common stock and will vest in full on March 1, 2023, provided that the Reporting Person is employed by the Registrant on such date.

**Signature:** /s/ Jeffrey J. Watorek, Attorney-in-Fact for William T. Bosway  
**Date:** 2023-03-06

### Remarks:

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.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**