SMITH J DAVID exercised options at BLUELINX HOLDINGS INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise

SMITH J DAVID

Filed: 5/20/2026ACC: 0001104659-26-064490

InsiderSMITH J DAVIDCIK 1272974

→

IssuerBLUELINX HOLDINGS INC.CIK 1301787

Director

Since May 2019

+2.75K

Net shares

Net buyer

$0.00

Total acquired

Open market trades

0B · 0S

Total transactions

4.82K acquired · 2.07K disposed

Non-Derivative Transactions1

Common Stock

Direct

M · Option Exercise

+2.07K

Price / share

—

Trade value

—

% of position

14.4%

5/19/2026

14.44K→16.52K

Total

Net shares

+2.07K

Net value

$0.00

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	5/19/2026	M · Option Exercise	+2.07K	—	—	14.4%	14.44K	16.52K
Total			+2.07K		$0.00

Derivative Transactions2

Restricted Stock Units

Direct

A · Award

Converts to

Common Stock

2.75K shares

+2.75K

Strike price

Held after

2.75K

Exercisable

—

5/18/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

2.07K shares

−2.07K

Strike price

Held after

0.00

Exercisable

—

5/19/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Restricted Stock Units Direct	Common Stock2.75K shares	5/18/2026	A · Award	+2.75K		—	2.75K
Restricted Stock Units Direct	Common Stock2.07K shares	5/19/2026	M · Option Exercise	−2.07K		—	0.00

Non-Derivative Holdings (Post-Transaction)0

No non-derivative holdings reported

Derivative Holdings (Post-Transaction)4

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

12K

Shares owned

12K

Exercise price

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

5.33K

Shares owned

5.33K

Exercise price

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

6.08K

Shares owned

6.08K

Exercise price

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

8.50K

Shares owned

8.50K

Exercise price

Expiration

—

Exercise window

—

Total

Underlying

31.91K

Owned

31.91K

Security	Underlying	Exercise Window	Expiration	Underlying Shares	Shares Owned
Restricted Stock Units Direct	Common Stock	—	—	12K	12K
Restricted Stock Units Direct	Common Stock	—	—	5.33K	5.33K
Restricted Stock Units Direct	Common Stock	—	—	6.08K	6.08K
Restricted Stock Units Direct	Common Stock	—	—	8.50K	8.50K
Total				31.91K	31.91K