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Gibraltar Industries counsel acquires 245.21 stock units

Units are forfeited if officer service ends before the fifth anniversary of vesting commencement; continued service beyond that anniversary leads to cash payment after termination.

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Form Type
4

Rhea-AI Filing Summary

Gibraltar Industries, Inc. (ROCK) General Counsel, VP, Secretary Katherine Bolanowski acquired 245.21 matching restricted stock units on September 30, 2026, under the 2018 Management Stock Purchase Plan in connection with deferring a portion of her base salary. Her reported restricted stock unit balance after the award was 7,525.09 units. Separately, she reported direct ownership of 17,389 shares of common stock as of September 30, 2026. The units are forfeited if officer service ends before the fifth anniversary of vesting commencement; if service continues beyond it, they are payable solely in cash after termination, in a lump sum or five or ten annual installments beginning six months after termination.

Insider Bolanowski Katherine
Role General Counsel, VP, Secretary
Type Security Shares Price Value
Grant/Award Restricted Stock Unit (2018 MSPP Match) F1, F2, F3 245.21 $0.00 $0.00
holding Common Stock -- -- --
Holdings After Transaction: Restricted Stock Unit (2018 MSPP Match) — 7,525.09 contracts (Direct); Common Stock — 17,389 shares (Direct)
Footnotes (3)
  1. F1. 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. F2. 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. F3. 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 pursuant to the Company's 2018 Management Stock Purchase Plan.
Matching restricted stock units awarded 245.21 units September 30, 2026; 2018 Management Stock Purchase Plan
Restricted stock units after award 7,525.09 units Reported following the September 30, 2026 transaction
Direct common stock holdings 17,389 shares Reported as of September 30, 2026
Service condition Fifth anniversary of vesting commencement Units are forfeited if officer service ends before this anniversary
Annual installment options 5 or 10 installments Consecutive, substantially equal annual installments
Payment commencement 6 months after termination Applies to cash payment following termination
2018 Management Stock Purchase Plan financial
"pursuant to the Company's 2018 Management Stock Purchase Plan"
vesting commencement date financial
"prior to the fifth (5th) anniversary of the Reporting Person's vesting commencement date"
The vesting commencement date is the starting point when an employee begins earning ownership rights to their promised benefits, such as stock options or retirement contributions. Think of it like the day a savings account is opened—only after this date do the benefits start to grow and become fully available over time. It matters to investors because it marks when the clock begins ticking toward full ownership, affecting the timing and value of these benefits.
fair market value financial
"equal to the fair market value of one share"
The price a willing buyer and a willing seller would agree on for an asset or security when neither is under pressure and both have access to the same information. Think of it as the market’s neutral estimate of what something is worth, like the price two neighbors would settle on for a car after comparing similar listings. Investors care because fair market value guides buying and selling decisions, tax reporting, portfolio valuation, and how accurately company assets are reflected in financial statements.
substantially equal annual installments financial
"five (5) or ten (10) consecutive, substantially equal annual installments"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How are Katherine Bolanowski's ROCK restricted stock units paid?
If Katherine Bolanowski continues as an officer beyond the fifth anniversary of vesting commencement, the units are payable solely in cash following termination. She may elect a lump sum or five or ten consecutive, substantially equal annual installments, beginning six months after termination.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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SEC Form 4
FORM 4UNITED 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).
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*
Bolanowski Katherine
(Last)(First)(Middle)
3556 LAKE SHORE ROAD
P.O. BOX 2028
(Street)
BUFFALO NEW YORK 14219-0228
(City)(State)(Zip)
UNITED STATES
(Country)		2. Issuer Name and Ticker or Trading Symbol
GIBRALTAR INDUSTRIES, INC. [ ROCK ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
General Counsel, VP, Secretary
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
09/30/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
CodeVAmount(A) or (D)Price
Common Stock17,389D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Unit (2018 MSPP Match)(1)(2)09/30/2026A245.21(3) (2) (2)Common Stock245.21$07,525.09D
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 base salary pursuant to the Company's 2018 Management Stock Purchase Plan.
/s/ Jeffrey J. Watorek, Attorney-in-Fact for Katherine E. Bolanowski10/01/2026
** Signature of Reporting PersonDate
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.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

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