EDWARDS JEFFREY W. (President, CEO and Chairman) sold 18.8% of their position (400K shares) of INSTALLED BUILDING PRODUCTS, INC. on the open market

Open‑market sale worth $125.62M — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale

EDWARDS JEFFREY W.

Filed: 3/4/2026ACC: 0001628280-26-014669

InsiderEDWARDS JEFFREY W.CIK 1598688

→

IssuerINSTALLED BUILDING PRODUCTS, INC.CIK 1580905

DirectorOfficer10% Owner· President, CEO and Chairman

Since Mar 2026

-400K

Net shares

Net seller

$125.62M

Total sold

Open market trades

0B · 1S

Total transactions

350K acquired · 750K disposed

Non-Derivative Transactions1

Common Stock, $0.01 par value per share

Indirect

S · Sale

−400K

Price / share

$314.06

Trade value

$125.62M

% of position

18.8%

3/3/2026

2.13M→1.73M

Total

Net shares

−400K

Net value

-$125.62M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock, $0.01 par value per share Indirect	3/3/2026	S · Sale	−400K	$314.06	$125.62M	18.8%	2.13M	1.73M
Total			−400K		-$125.62M

Derivative Transactions4

Forward sale contract (potential obligation to sell)

Indirect

J · J

Converts to

Common Stock

225K shares

−225K

Strike price

314.06

Held after

0.00

Exercisable

—

3/3/2026

Forward sale contract (potential obligation to sell)

Indirect

J · J

Converts to

Common Stock

225K shares

+225K

Strike price

314.06

Held after

225K

Exercisable

—

3/3/2026

Forward sale contract (potential obligation to sell)

Indirect

J · J

Converts to

Common Stock

125K shares

−125K

Strike price

314.06

Held after

0.00

Exercisable

—

3/3/2026

Forward sale contract (potential obligation to sell)

Indirect

J · J

Converts to

Common Stock

125K shares

+125K

Strike price

314.06

Held after

125K

Exercisable

—

3/3/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Forward sale contract (potential obligation to sell) Indirect	Common Stock225K shares	3/3/2026	J · J	−225K	314.06	—	0.00
Forward sale contract (potential obligation to sell) Indirect	Common Stock225K shares	3/3/2026	J · J	+225K	314.06	—	225K
Forward sale contract (potential obligation to sell) Indirect	Common Stock125K shares	3/3/2026	J · J	−125K	314.06	—	0.00
Forward sale contract (potential obligation to sell) Indirect	Common Stock125K shares	3/3/2026	J · J	+125K	314.06	—	125K

Non-Derivative Holdings (Post-Transaction)3

Common Stock, $0.01 par value per share

Direct

Shares owned207.52K

Common Stock, $0.01 par value per share

Indirect

Shares owned1.42M

Common Stock, $0.01 par value per share

Indirect

Shares owned173.41K

Total

207.52K direct·1.59M indirect1.80M

Security Title	Shares Owned	Ownership Type
Common Stock, $0.01 par value per share	207.52K	Direct
Common Stock, $0.01 par value per share	1.42M	Indirect
Common Stock, $0.01 par value per share	173.41K	Indirect
Total	1.80M	207.52K direct·1.59M indirect

Derivative Holdings (Post-Transaction)0

No derivative holdings reported