BOSWAY WILLIAM T (President and CEO) purchased 2.7% of their position (6K shares) of GIBRALTAR INDUSTRIES, INC. on the open market

Open‑market purchase worth $231.6K — a small addition. The strongest form of insider conviction signal.

P · 2 purchases

BOSWAY WILLIAM T

Filed: 3/10/2026ACC: 0000912562-26-000063

InsiderBOSWAY WILLIAM TCIK 1675953

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IssuerGIBRALTAR INDUSTRIES, INC.CIK 912562

DirectorOfficer· President and CEO

Since Jan 2019

+6K

Net shares

Net buyer

$231.6K

Total acquired

Open market trades

2B · 0S

Total transactions

6K acquired

Non-Derivative Transactions2

Common Stock

Direct

P · Purchase

+4.50K

Price / share

$38.29

Trade value

$172.31K

% of position

2.0%

3/9/2026

223.59K→228.09K

Common Stock

Direct

P · Purchase

+1.50K

Price / share

$39.52

Trade value

$59.29K

% of position

0.7%

3/10/2026

228.09K→229.59K

Total

Net shares

+6K

Net value

$231.59K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	3/9/2026	P · Purchase	+4.50K	$38.29	$172.31K	2.0%	223.59K	228.09K
Common Stock Direct	3/10/2026	P · Purchase	+1.50K	$39.52	$59.29K	0.7%	228.09K	229.59K
Total			+6K		$231.59K

Derivative Transactions0

No derivative transactions reported

Non-Derivative Holdings (Post-Transaction)0

No non-derivative holdings reported

Derivative Holdings (Post-Transaction)2

Restricted Stock Unit (2018 MSPP Match)

Direct

Underlying security

Common Stock

Underlying shares

43.98K

Shares owned

43.98K

Exercise price

Expiration

—

Exercise window

—

Restricted Stock Unit (2018 MSPP)

Direct

Underlying security

Common Stock

Underlying shares

69.27K

Shares owned

69.27K

Exercise price

Expiration

—

Exercise window

—

Total

Underlying

113.25K

Owned

113.25K

Security	Underlying	Exercise Window	Expiration	Underlying Shares	Shares Owned
Restricted Stock Unit (2018 MSPP Match) Direct	Common Stock	—	—	43.98K	43.98K
Restricted Stock Unit (2018 MSPP) Direct	Common Stock	—	—	69.27K	69.27K
Total				113.25K	113.25K