BlueLinx Holdings Inc. — Director's Dealing 2021

May 24, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BlueLinx Holdings Inc. (BXC)
CIK: 0001301787
Period of Report: 2021-05-20

Reporting Person: Czanderna Karel K (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-05-20	Restricted Stock Units	$	A	2158	Acquired		Common Stock (2158.0)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	3000	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Restricted Stock Units	$		Common Stock (12000.0)	12000	Direct
Restricted Stock Units	$		Common Stock (5335.0)	5335	Direct
Restricted Stock Units	$		Common Stock (8498.0)	8498	Direct

Footnotes

F1: Each restricted stock unit represents a contingent right to receive one share of BlueLinx Holdings Inc. common stock.

F2: The restricted stock units vest on May 20, 2022. Vested shares will be delivered to the reporting person not later than 30 days after the vesting date.

F3: The restricted stock units vested on May 21, 2021. Vested shares will be delivered to the reporting person within 30 days after the earlier of May 21, 2030 or termination of reporting person's service on the Board of Directors.

F4: The restricted stock units vested on May 17, 2020. Vested shares will be delivered to the reporting person within 30 days after the earlier of May 17, 2029 or termination of reporting person's service on the Board of Directors.

F5: The restricted stock units vested on January 11, 2019. Vested shares will be delivered to the reporting person within 30 days after the earlier of January 11, 2028 or termination of reporting person's service on the Board of Directors.