BlueLinx CAO logs RSU grants and withholding

BlueLinx Holdings Inc. VP & Chief Accounting Officer Kimberly Ann DeBrock reported routine equity compensation activity.

Rhea-AI Filing Summary

BlueLinx Holdings Inc. VP & Chief Accounting Officer Kimberly Ann DeBrock reported routine equity compensation activity. On June 5, 2026, she received a grant of 2,650 time-based restricted stock units, each representing a contingent right to one share of common stock.

On June 6, 2026, 641 restricted stock units vested and converted into common stock, and on June 7, 2026, a further 214 units vested and converted. To cover tax withholding obligations, 184 shares were withheld on June 6 and 62 shares were withheld on June 7 at a price of $50.30 per share, with no open-market sales.

Following these transactions, DeBrock holds 1,086 shares of BlueLinx common stock directly. She also retains unvested restricted stock units, including awards covering 232 and 349 underlying common shares, along with the new 2,650-unit grant that will vest in future installments.

Insider Trade Summary

855 shares exercised/converted

Exercise 9 txns

Insider DeBrock Kimberly Ann

Role VP & Chief Accounting Officer

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	214	$0.00	$0.00
Exercise	Common Stock	214	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	62	$50.30	$3K
Exercise	Restricted Stock Units	641	$0.00	$0.00
Exercise	Common Stock	641	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	184	$50.30	$9K
Grant/Award	Restricted Stock Units	2,650	$0.00	$0.00
holding	Restricted Stock Units	--	--	--
holding	Restricted Stock Units	--	--	--

Holdings After Transaction: Restricted Stock Units — 4,725 contracts for 581 underlying shares (Direct); Common Stock — 1,086 shares (Direct)

Footnotes (8)

1. F1. Represents the conversion of restricted stock units that vested on June 6, 2026. These are time based restricted stock units that vest in three equal annual installments, with the first vesting on June 6, 2026.
2. F2. Each restricted stock unit represents a contingent right to receive one share of BlueLinx Holdings Inc. common stock.
3. F3. These shares were withheld to cover tax withholding obligations when 641 time-based restricted stock units vested on June 6, 2026.
4. F4. Represents the conversion of restricted stock units that vested on June 7, 2026. These are time based restricted stock units that vest in three equal annual installments, with the first vesting on June 7, 2025.
5. F5. These shares were withheld to cover tax withholding obligations when 214 time-based restricted stock units vested on June 7, 2026.
6. F6. These are time-based restricted stock units that vest in three equal installments commencing on June 5, 2027. Vested shares will be delivered to the reporting person no later than 30 days after each vesting date.
7. F7. These are time-based restricted stock units that vest on June 6, 2028. Vested shares will be delivered to the reporting person no later than 30 days after each vesting date.
8. F8. These are time-based restricted stock units that vest in three equal installments commencing on October 18, 2024. Vested shares will be delivered to the reporting person no later than 30 days after each vesting date.

Key Figures

New RSU grant: 2,650 units RSUs vested June 6, 2026: 641 units RSUs vested June 7, 2026: 214 units +5 more

8 metrics

New RSU grant 2,650 units Restricted stock units granted June 5, 2026

RSUs vested June 6, 2026 641 units Time-based restricted stock units converted to common stock

RSUs vested June 7, 2026 214 units Time-based restricted stock units converted to common stock

Shares withheld for taxes June 6, 2026 184 shares at $50.30 Tax withholding disposition on vested RSUs

Shares withheld for taxes June 7, 2026 62 shares at $50.30 Tax withholding disposition on vested RSUs

Common shares held after transactions 1,086 shares Direct ownership following June 7, 2026 transactions

Unvested RSUs (block 1) 232 underlying shares Restricted stock units with 232 underlying common shares

Unvested RSUs (block 2) 349 underlying shares Restricted stock units with 349 underlying common shares

Key Terms

Restricted Stock Units, time based restricted stock units, tax withholding obligations, contingent right to receive one share, +1 more

5 terms

Restricted Stock Units financial

"Represents the conversion of restricted stock units that vested on June 6, 2026."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

time based restricted stock units financial

"These are time based restricted stock units that vest in three equal annual installments."

tax withholding obligations financial

"These shares were withheld to cover tax withholding obligations when 641 time-based restricted stock units vested."

contingent right to receive one share financial

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

grant, award, or other acquisition financial

"Grant, award, or other acquisition"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did BXC executive Kimberly Ann DeBrock report?

Kimberly Ann DeBrock reported RSU vesting, a new RSU grant, and related tax withholding dispositions. RSUs vested on June 6 and June 7, 2026, converting into common shares, with some shares withheld at $50.30 to cover tax obligations rather than being sold on the open market.

How many restricted stock units did BXC grant to Kimberly Ann DeBrock?

BlueLinx granted DeBrock 2,650 restricted stock units on June 5, 2026. These are time-based RSUs that vest in three equal installments commencing on June 5, 2027, with vested shares delivered to her no later than 30 days after each vesting date.

What RSU vesting events did BlueLinx CAO DeBrock report in this Form 4?

DeBrock reported vesting of 641 restricted stock units on June 6, 2026, and 214 restricted stock units on June 7, 2026. Each vested unit converted into one share of BlueLinx common stock, reflecting standard time-based equity compensation vesting for the executive.

Were there any open-market sales of BlueLinx (BXC) stock in this filing?

No open-market sales were reported. Shares labeled with code F, totaling 184 and 62 common shares at $50.30 per share, were withheld by the company solely to satisfy tax withholding obligations triggered by RSU vesting, not discretionary market sales.

How many BlueLinx common shares does Kimberly Ann DeBrock hold after these transactions?

After the reported transactions, DeBrock directly holds 1,086 shares of BlueLinx common stock. This reflects RSU conversions into shares and shares withheld to pay taxes, as shown by the total_shares_following_transaction figures in the non-derivative transaction records.

What unvested RSUs does the BlueLinx CAO retain after this Form 4 activity?

DeBrock retains unvested restricted stock units linked to 232 and 349 underlying common shares, plus a new 2,650-unit time-based grant. These awards will vest over future dates according to their schedules, with vested shares delivered within 30 days of each vesting date.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/09/2026 - 04:36 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED 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^*

DeBrock Kimberly Ann

(Last) (First) (Middle)

1950 SPECTRUM CIRCLE

(Street)

MARIETTA GEORGIA 30067

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
BlueLinx Holdings Inc. [ BXC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VP & Chief Accounting Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/05/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form 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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	06/06/2026		M		641(1)	A	(2)	1,118	D
Common Stock	06/06/2026		F		184(3)	D	$50.3	934	D
Common Stock	06/07/2026		M		214(4)	A	(2)	1,148	D
Common Stock	06/07/2026		F		62(5)	D	$50.3	1,086	D

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(2)	06/06/2026		M			641	(1)	(1)	Common Stock	641	$0	1,280	D
Restricted Stock Units	(2)	06/07/2026		M			214	(4)	(4)	Common Stock	214	$0	214	D
Restricted Stock Units	(2)	06/05/2026		A		2,650		(6)	(6)	Common Stock	2,650	$0	2,650	D
Restricted Stock Units	(2)							(7)	(7)	Common Stock	349		349	D
Restricted Stock Units	(2)							(8)	(8)	Common Stock	232		232	D

Explanation of Responses:

1. Represents the conversion of restricted stock units that vested on June 6, 2026. These are time based restricted stock units that vest in three equal annual installments, with the first vesting on June 6, 2026.

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

3. These shares were withheld to cover tax withholding obligations when 641 time-based restricted stock units vested on June 6, 2026.

4. Represents the conversion of restricted stock units that vested on June 7, 2026. These are time based restricted stock units that vest in three equal annual installments, with the first vesting on June 7, 2025.

5. These shares were withheld to cover tax withholding obligations when 214 time-based restricted stock units vested on June 7, 2026.

6. These are time-based restricted stock units that vest in three equal installments commencing on June 5, 2027. Vested shares will be delivered to the reporting person no later than 30 days after each vesting date.

7. These are time-based restricted stock units that vest on June 6, 2028. Vested shares will be delivered to the reporting person no later than 30 days after each vesting date.

8. These are time-based restricted stock units that vest in three equal installments commencing on October 18, 2024. Vested shares will be delivered to the reporting person no later than 30 days after each vesting date.

	/s/ Christin Lumpkin, as attorney-in-fact for Kimberly Ann DeBrock	06/09/2026
	** Signature of Reporting Person	Date
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)