CEO of Louisiana-Pacific (NYSE: LPX) sells stock in 10b5-1 plan

Rhea-AI Filing Summary

Louisiana-Pacific Corporation’s chief executive officer and director William Bradley Southern reported multiple open-market sales of common stock under a pre-arranged Rule 10b5-1 trading plan adopted on August 27, 2025. On February 2 and 3, 2026, he sold several blocks of shares at weighted average prices ranging from about $85 to $91 per share. After these transactions, he directly beneficially owned 460,883 shares of Louisiana-Pacific common stock.

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

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

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^*

Southern William Bradley

(Last) (First) (Middle)

1610 WEST END AVENUE

SUITE 200

(Street)

NASHVILLE TN 37203

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
LOUISIANA-PACIFIC CORP [ LPX ]

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

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/02/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

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

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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	02/02/2026		S		7,080(1)	D	$85.16(2)	482,135	D
Common Stock	02/03/2026		S		700(1)	D	$85.89(3)	481,435	D
Common Stock	02/03/2026		S		3,406(1)	D	$86.92(4)	478,029	D
Common Stock	02/03/2026		S		5,930(1)	D	$87.7(5)	472,099	D
Common Stock	02/03/2026		S		9,893(1)	D	$88.8(6)	462,206	D
Common Stock	02/03/2026		S		532(1)	D	$89.78(7)	461,674	D
Common Stock	02/03/2026		S		726(1)	D	$90.68(8)	460,948	D
Common Stock	02/03/2026		S		65(1)	D	$91.46(9)	460,883	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

Explanation of Responses:

1. The reported sale of shares occurred automatically pursuant to a Rule 10b5 -1 trading plan adopted by the reporting person on August 27, 2025.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $85.00 to $85.51, inclusive. The reporting person undertakes to provide to Louisiana-Pacific Corporation, any security holder of Louisiana-Pacific Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2), (3), (4), (5), (6), (7), (8) and (9) to this Form 4.

3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $85.255 to $86.235, inclusive.

4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $86.27 to $87.265, inclusive.

5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $87.29 to $88.29, inclusive

6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $88.30 to $89.295, inclusive.

7. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $89.33 to $90.33, inclusive.

8. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $90.395 to $91.17, inclusive.

9. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $91.41 to $91.54, inclusive.

	/s/Nicole Daniel, Attorney in Fact	02/04/2026
	** 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.
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FAQ

What insider transaction did LPX CEO William Bradley Southern report?

William Bradley Southern reported multiple sales of Louisiana-Pacific common stock. The transactions occurred on February 2 and 3, 2026, and involved open-market sales at weighted average prices between roughly $85 and $91 per share under a Rule 10b5-1 trading plan.

How many Louisiana-Pacific (LPX) shares does the CEO own after these sales?

After the reported transactions, William Bradley Southern directly beneficially owned 460,883 shares of Louisiana-Pacific common stock. This figure reflects his remaining holdings following the series of open-market sales disclosed for February 2 and 3, 2026.

On what dates did the LPX CEO sell shares in this Form 4 filing?

The reported sales took place on February 2, 2026, and February 3, 2026. On those dates, William Bradley Southern executed several open-market transactions in Louisiana-Pacific common stock at different weighted average prices, all disclosed in the Form 4 tables.

Were the LPX CEO’s stock sales under a Rule 10b5-1 trading plan?

Yes. The filing states the sales occurred automatically under a Rule 10b5-1 trading plan adopted by William Bradley Southern on August 27, 2025. Such plans prearrange trade timing and amounts according to predetermined instructions.

What price ranges were reported for the LPX CEO’s stock sales?

Each line item’s price is a weighted average. Footnotes explain that underlying trades occurred in ranges, including $85.00–$85.51, $85.255–$86.235, $86.27–$87.265, $87.29–$88.29, $88.30–$89.295, $89.33–$90.33, $90.395–$91.17, and $91.41–$91.54 per share.

What was one specific LPX share sale disclosed in the Form 4?

One disclosed transaction shows a sale of 7,080 shares of Louisiana-Pacific common stock on February 2, 2026, at a weighted average price of $85.16 per share. After that particular trade, William Bradley Southern directly held 482,135 shares.