STOCK TITAN

Gibraltar Industries (ROCK) director granted 3,059 shares in equity award

Filing Impact
(Moderate)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Mizell Gwendolyn G reported acquisition or exercise transactions in this Form 4 filing.

Gibraltar Industries director Gwendolyn G. Mizell received an equity grant of common stock as part of her non-employee director compensation program. She was awarded 3,059 shares of common stock at a reference price of $37.59 per share, increasing her direct holdings to 12,734 shares.

The filing also notes 533.637 restricted stock units under the MSPP Post-2012 program, tied to deferrals of her annual director retainer fee. These units are payable solely in cash after she leaves the board, based on the 200‑day rolling average fair market value of Gibraltar Industries’ common stock at that time.

Positive

  • None.

Negative

  • None.
Insider Mizell Gwendolyn G
Role null
Type Security Shares Price Value
Grant/Award Common Stock 3,059 $37.59 $115K
holding Restricted Stock Unit (MSPP Post-2012) -- -- --
Holdings After Transaction: Common Stock — 12,734 shares (Direct, null); Restricted Stock Unit (MSPP Post-2012) — 533.637 shares (Direct, null)
Footnotes (1)
  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. Represents restricted stock units allocated to the Reporting Person after 2012 with respect to the Reporting Person's deferral of a portion of his/her annual director retainer fee. 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.
Equity grant size 3,059 shares Common stock awarded to director on 2026-05-07
Grant reference price $37.59 per share Price per share for the 3,059-share award
Post-transaction holdings 12,734 shares Director’s direct common stock holdings after grant
Restricted stock units 533.637 units MSPP Post-2012 units tied to common stock
RSU exercise price $0.00 Exercise price for MSPP Post-2012 restricted stock units
Restricted Stock Unit (MSPP Post-2012) financial
"Represents restricted stock units allocated to the Reporting Person after 2012"
annual director retainer fee financial
"with respect to the Reporting Person's deferral of a portion of his/her annual director retainer fee"
non-employee directors financial
"pursuant to the compensation program in effect for non-employee directors"
fair market value (200 day rolling average) financial
"equal to the fair market value (200 day rolling average) of one share"
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*
Mizell Gwendolyn G

(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)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/07/2026
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 Stock05/07/2026A3,059(1)A$37.5912,734D
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 (MSPP Post-2012)(2)(3) (3) (3)Common Stock533.637533.637D
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.
2. Represents restricted stock units allocated to the Reporting Person after 2012 with respect to the Reporting Person's deferral of a portion of his/her annual director retainer fee.
3. 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.
/s/ Jeffrey J. Watorek, Attorney-in-Fact for Gwendolyn G. Mizell05/08/2026
** 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)

FAQ

What did ROCK director Gwendolyn G. Mizell report in this Form 4?

She reported receiving an equity grant of 3,059 shares of Gibraltar Industries common stock at $37.59 per share. This grant is part of the compensation program for non-employee directors and increased her direct holdings to 12,734 shares.

How many ROCK shares does Gwendolyn G. Mizell hold after the transaction?

After the reported grant, Gwendolyn G. Mizell directly holds 12,734 shares of Gibraltar Industries common stock. This reflects the addition of 3,059 granted shares to her prior holdings, as shown in the Form 4 filing’s post-transaction ownership column.

What are the restricted stock units reported for ROCK’s director?

The Form 4 lists 533.637 restricted stock units under the MSPP Post-2012 program, linked to deferrals of her annual director retainer. These units track Gibraltar common stock but are settled only in cash upon her termination of service as a director.

Are the restricted stock units for ROCK’s director settled in shares or cash?

The restricted stock units are payable solely in cash. After her service as a director ends, they are converted to a cash amount equal to the 200‑day rolling average fair market value of one Gibraltar Industries common share per unit.

What determines the payout value of the ROCK restricted stock units?

Each restricted stock unit pays cash equal to the fair market value of one Gibraltar share, using a 200‑day rolling average price on the date her service as a director ends. Payments can be in a lump sum or in five or ten annual installments.