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  4. [Form 4] BlueLinx Holdings Inc. Insider Trading Activity

BlueLinx (NYSE: BXC) CAO reports RSU vesting, new grant and tax withholding

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

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.

Positive

  • None.

Negative

  • None.
Insider DeBrock Kimberly Ann
Role VP & Chief Accounting Officer
Type Security Shares Price Value
Exercise Restricted Stock Units 214 $0.00 --
Exercise Common Stock 214 $0.00 --
Tax Withholding Common Stock 62 $50.30 $3K
Exercise Restricted Stock Units 641 $0.00 --
Exercise Common Stock 641 $0.00 --
Tax Withholding Common Stock 184 $50.30 $9K
Grant/Award Restricted Stock Units 2,650 $0.00 --
holding Restricted Stock Units -- -- --
holding Restricted Stock Units -- -- --
Holdings After Transaction: Restricted Stock Units — 214 shares (Direct, null); Common Stock — 1,148 shares (Direct, null)
Footnotes (1)
  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. Each restricted stock unit represents a contingent right to receive one share of BlueLinx Holdings Inc. common stock. These shares were withheld to cover tax withholding obligations when 641 time-based restricted stock units vested on June 6, 2026. 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. These shares were withheld to cover tax withholding obligations when 214 time-based restricted stock units vested on June 7, 2026. 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. 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. 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.
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
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"
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Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED 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)
Director10% Owner
XOfficer (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)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock06/06/2026M641(1)A(2)1,118D
Common Stock06/06/2026F184(3)D$50.3934D
Common Stock06/07/2026M214(4)A(2)1,148D
Common Stock06/07/2026F62(5)D$50.31,086D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units(2)06/06/2026M641 (1) (1)Common Stock641$01,280D
Restricted Stock Units(2)06/07/2026M214 (4) (4)Common Stock214$0214D
Restricted Stock Units(2)06/05/2026A2,650 (6) (6)Common Stock2,650$02,650D
Restricted Stock Units(2) (7) (7)Common Stock349349D
Restricted Stock Units(2) (8) (8)Common Stock232232D
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 DeBrock06/09/2026
** Signature of Reporting PersonDate
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)

Source: View Original Filing on SEC EDGAR

FAQ

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.