Jeffrey Robert Strom - 01 Mar 2026 Form 4 Insider Report for BOISE CASCADE Co (BCC)

Role: COO
Signature: /s/ Jill M. Twedt, by power of atty
Issuer symbol: BCC
Transactions as of: 01 Mar 2026
Net transactions value: -$680,950
Form type: 4
Filing time: 03 Mar 2026, 17:34:48 UTC
Previous filing: 26 Aug 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Strom Jeffrey Robert	COO	C/O BOISE CASCADE COMPANY, 1111 WEST JEFFERSON STREET, SUITE 300, BOISE	/s/ Jill M. Twedt, by power of atty	03 Mar 2026	0001848781

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	BCC	Common Stock, par value $0.01	Award	$0	+22,964	+62%	$0.000000	59,740	01 Mar 2026	Direct	F1
transaction	BCC	Common Stock, par value $0.01	Tax liability	$468,888	-5,667	-9.5%	$82.74	54,073	01 Mar 2026	Direct	F2
transaction	BCC	Common Stock, par value $0.01	Tax liability	$212,063	-2,563	-4.7%	$82.74	51,510	01 Mar 2026	Direct	F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Grant award based on CEO-Elect role. Represents shares underlying 2026 restricted stock unit award. Shares will be deliverable in three equal tranches on March 1, 2027, 2028 and 2029.
F2	PSU Shares withheld for taxes due on awards vesting.
F3	RSU Shares withheld for taxes due on awards vesting.