Gary Cook

Insider

First SEC filing: June 2, 2009 · Latest: June 2, 2009

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.

Insider at

LPX selling May 17, 2020

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 59 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

59 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 17, 2020	LPX	M	4,000	—	—	4,887 Direct	-45.01%	Disposed	(price as of 2026-08-20)
May 17, 2020	LPX	M	5,207	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 17, 2020	LPX	S	4,000	$21.29	$85,160	49,784 Direct	-7.44%	Disposed	246.1% (price as of 2026-08-20)
May 17, 2020	LPX	M	4,000	$21.29	$85,160	53,784 Direct	+8.03%	Acquired	246.1% (price as of 2026-08-20)
May 17, 2020	LPX	M	5,318	$19.81	$105,350	49,784 Direct	+11.96%	Acquired	271.9% (price as of 2026-08-20)
Nov. 25, 2019	LPX	S	10,000	$29.95	$299,500	44,462 Direct	-18.36%	Disposed	146.0% (price as of 2026-08-20)
May 29, 2019	LPX	M	654	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 29, 2019	LPX	S	654	$22.68	$14,833	54,462 Direct	-1.19%	Disposed	224.9% (price as of 2026-08-20)
May 29, 2019	LPX	M	654	$22.68	$14,833	55,116 Direct	+1.20%	Acquired	224.9% (price as of 2026-08-20)
May 17, 2019	LPX	A	5,207	—	—	0 Direct	—	Acquired	(price as of 2026-08-20)
May 12, 2019	LPX	M	4,323	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 12, 2019	LPX	M	4,323	$24.84	$107,383	54,462 Direct	+8.62%	Acquired	196.6% (price as of 2026-08-20)
March 14, 2019	LPX	M	2,000	$4.59	$9,180	54,139 Direct	+3.84%	Acquired	1505.2% (price as of 2026-08-20)
March 14, 2019	LPX	M	2,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 14, 2019	LPX	S	2,000	$24.45	$48,900	50,139 Direct	-3.84%	Disposed	201.3% (price as of 2026-08-20)
March 13, 2019	LPX	M	2,000	$4.59	$9,180	52,139 Direct	+3.99%	Acquired	1505.2% (price as of 2026-08-20)
March 13, 2019	LPX	M	2,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 13, 2019	LPX	S	2,000	$25.06	$50,120	52,139 Direct	-3.69%	Disposed	194.0% (price as of 2026-08-20)
May 22, 2018	LPX	M	2,558	$12.14	$31,054	0 Direct	-100.00%	Disposed	506.9% (price as of 2026-08-20)
May 22, 2018	LPX	S	2,558	$29.00	$74,182	50,139 Direct	-4.85%	Disposed	154.1% (price as of 2026-08-20)
May 22, 2018	LPX	M	2,558	$12.14	$31,054	52,697 Direct	+5.10%	Acquired	506.9% (price as of 2026-08-20)
May 12, 2018	LPX	A	4,323	—	—	0 Direct	—	Acquired	(price as of 2026-08-20)
May 12, 2018	LPX	M	5,113	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 12, 2018	LPX	M	5,113	$27.76	$141,937	50,139 Direct	+11.36%	Acquired	165.4% (price as of 2026-08-20)
March 14, 2018	LPX	M	5,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 14, 2018	LPX	S	5,000	$28.58	$142,900	45,026 Direct	-9.99%	Disposed	157.8% (price as of 2026-08-20)
March 14, 2018	LPX	M	5,000	$12.14	$60,700	50,026 Direct	+11.10%	Acquired	506.9% (price as of 2026-08-20)
May 13, 2017	LPX	M	4,399	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 13, 2017	LPX	M	4,399	$23.74	$104,432	45,030 Direct	+10.83%	Acquired	210.4% (price as of 2026-08-20)
May 12, 2017	LPX	A	5,113	—	—	0 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 10, 2017	LPX	M	4,066	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 10, 2017	LPX	S	4,066	$22.80	$92,705	40,631 Direct	-9.10%	Disposed	223.2% (price as of 2026-08-20)
Feb. 10, 2017	LPX	M	4,066	$22.80	$92,705	44,697 Direct	+10.01%	Acquired	223.2% (price as of 2026-08-20)
May 13, 2016	LPX	A	4,399	—	—	0 Direct	—	Acquired	(price as of 2026-08-20)
May 8, 2016	LPX	M	4,717	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 8, 2016	LPX	M	4,717	$18.29	$86,274	40,631 Direct	+13.13%	Acquired	302.8% (price as of 2026-08-20)
May 8, 2015	LPX	C	5,185	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 8, 2015	LPX	A	4,717	—	—	0 Direct	—	Acquired	(price as of 2026-08-20)
May 8, 2015	LPX	C	5,185	—	—	35,914 Direct	+16.87%	Acquired	(price as of 2026-08-20)
May 10, 2014	LPX	C	4,086	—	—	30,729 Direct	+15.34%	Acquired	(price as of 2026-08-20)
May 10, 2014	LPX	C	4,086	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 8, 2014	LPX	A	5,185	—	—	0 Direct	—	Acquired	(price as of 2026-08-20)
June 13, 2013	LPX	M	9,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 13, 2013	LPX	F	5,682	$10.82	$61,479	26,643 Direct	-17.58%	Disposed	581.0% (price as of 2026-08-20)
June 13, 2013	LPX	M	9,000	$17.13	$154,170	32,325 Direct	+38.59%	Acquired	330.1% (price as of 2026-08-20)
May 10, 2013	LPX	A	4,086	—	—	0 Direct	—	Acquired	(price as of 2026-08-20)
June 25, 2012	LPX	M	9,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 25, 2012	LPX	F	8,802	$10.25	$90,220	23,325 Direct	-27.40%	Disposed	618.8% (price as of 2026-08-20)
June 25, 2012	LPX	F	9,000	$10.03	$90,270	32,127 Direct	+38.92%	Acquired	634.6% (price as of 2026-08-20)
June 1, 2012	LPX	A	4,484	—	—	4,484 Direct	-50.00%	Disposed	(price as of 2026-08-20)
June 1, 2012	LPX	A	7,635	—	—	7,635 Direct	-50.00%	Disposed	(price as of 2026-08-20)
June 1, 2011	LPX	A	4,993	—	—	4,993 Direct	-50.00%	Disposed	(price as of 2026-08-20)
June 1, 2011	LPX	A	8,139	—	—	8,139 Direct	-50.00%	Disposed	(price as of 2026-08-20)
June 1, 2010	LPX	A	8,887	—	—	8,887 Direct	—	Acquired	(price as of 2026-08-20)
June 1, 2010	LPX	A	5,128	—	—	23,127 Direct	+28.49%	Acquired	(price as of 2026-08-20)
June 1, 2009	LPX	A	4,654	—	—	4,654 Direct	—	Acquired	(price as of 2026-08-20)
June 1, 2009	LPX	A	2,700	—	—	17,999 Direct	+17.65%	Acquired	(price as of 2026-08-20)
June 1, 2008	LPX	A	7,558	—	—	7,558 Direct	—	Acquired	(price as of 2026-08-20)
June 1, 2008	LPX	A	2,309	—	—	15,299 Direct	+17.78%	Acquired	(price as of 2026-08-20)
June 26, 2007	LPX	A	4,066	—	—	4,066 Direct	—	Acquired	(price as of 2026-08-20)
June 26, 2007	LPX	A	1,585	—	—	12,990 Direct	+13.90%	Acquired	(price as of 2026-08-20)
June 26, 2006	LPX	A	3,314	—	—	3,314 Direct	—	Acquired	(price as of 2026-08-20)
June 26, 2006	LPX	A	1,384	—	—	11,405 Direct	+13.81%	Acquired	(price as of 2026-08-20)
June 26, 2005	LPX	A	2,804	—	—	2,804 Direct	—	Acquired	(price as of 2026-08-20)
June 26, 2005	LPX	A	1,215	—	—	10,021 Direct	+13.80%	Acquired	(price as of 2026-08-20)
June 26, 2004	LPX	A	2,824	—	—	2,824 Direct	—	Acquired	(price as of 2026-08-20)
June 26, 2004	LPX	A	1,339	—	—	8,806 Direct	+17.93%	Acquired	(price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
May 17, 2020	LPX	Stock Option	Common Stock (4,000)	$7.80	June 1, 2020	4,000	Disposed
May 17, 2020	LPX	Restricted Stock Units	Common Stock (5,207)	$0.00	May 17, 2020	5,207	Disposed
May 29, 2019	LPX	Stock Option	Common Stock (654)	$4.59	June 1, 2019	654	Disposed
May 17, 2019	LPX	Restricted Stock Unit	Common Stock (5,207)	$0.00	Feb. 17, 2020	5,207	Acquired
May 12, 2019	LPX	Restricted Stock Units	Common Stock (4,323)	$0.00	May 12, 2019	4,323	Disposed
March 14, 2019	LPX	NQ Stock Option	Common Stock (2,000)	$4.59	June 1, 2019	2,000	Disposed
March 13, 2019	LPX	NQ Stock Option	Common Stock (2,000)	$4.59	June 1, 2019	2,000	Disposed
May 22, 2018	LPX	NQ stock option	Common Stock (2,558)	$12.14	June 1, 2018	2,558	Disposed
May 12, 2018	LPX	Restricted stock units	Common Stock (4,323)	$0.00	May 12, 2019	4,323	Acquired
May 12, 2018	LPX	Restricted stock units	Common Stock (5,113)	$0.00	May 12, 2018	5,113	Disposed
March 14, 2018	LPX	Stock Option	Common Stock (5,000)	$12.14	June 1, 2018	5,000	Disposed
May 13, 2017	LPX	Restricted Stock Unit	Common Stock (4,399)	$0.00	May 13, 2017	4,399	Disposed
May 12, 2017	LPX	Restricted Stock Unit	Common Stock (5,113)	$0.00	May 12, 2018	5,113	Acquired
Feb. 10, 2017	LPX	Common Stock option	Common stock (4,066)	$18.93	June 26, 2017	4,066	Disposed
May 13, 2016	LPX	Restricted Stock Unit	Common Stock (4,399)	$0.00	May 13, 2017	4,399	Acquired
May 8, 2016	LPX	Restricted Stock Unit	Common Stock (4,717)	$0.00	May 8, 2016	4,717	Disposed
May 8, 2015	LPX	Restricted Stock Unit	Common Stock (5,185)	$0.00	May 8, 2015	5,185	Disposed
May 8, 2015	LPX	Restricted Stock Unit	Common Stock (4,717)	$0.00	May 8, 2016	4,717	Acquired
May 10, 2014	LPX	Restricted Stock Unit	Common Stock (4,086)	$0.00	May 10, 2014	4,086	Disposed
May 8, 2014	LPX	Restricted Stock Unit	Common Stock (5,185)	$0.00	May 8, 2015	5,185	Acquired
June 13, 2013	LPX	Stock option	Common stock (9,000)	$10.82	June 26, 2013	9,000	Disposed
May 10, 2013	LPX	Restricted Stock Unit	Common Stock (4,086)	$0.00	May 10, 2014	4,086	Acquired
June 25, 2012	LPX	Stock option	Common stock (9,000)	$10.03	June 26, 2012	9,000	Disposed
June 1, 2012	LPX	Phantom Stock [F3]	Common Stock (4,484)	$0.00	June 1, 2017	4,484	Disposed
June 1, 2012	LPX	Non Qualified Stock Option (right to buy) [F1]	Common Stock (7,635)	$8.92	June 1, 2022	7,635	Disposed
June 1, 2011	LPX	Phantom Stock [F3]	Common Stock (4,993)	$0.00	June 1, 2016	4,993	Disposed
June 1, 2011	LPX	Non Qualified Stock Option (right to buy) [F1]	Common Stock (8,139)	$8.01	June 1, 2021	8,139	Disposed
June 1, 2010	LPX	Non Qualified Stock Option [F2]	Common Stock (8,887)	$7.80	June 1, 2020	8,887	Acquired
June 1, 2009	LPX	Non-Qualified Stock Option (right to buy)	Common Stock (4,654)	$4.59	June 1, 2019	4,654	Acquired
June 1, 2008	LPX	Non-Qualified Stock Option (right to buy)	Common Stock (7,558)	$12.14	June 1, 2018	7,558	Acquired
June 26, 2007	LPX	Non-Qualified Stock Option (right to buy)	Common Stock (4,066)	$18.93	June 26, 2017	4,066	Acquired
June 26, 2006	LPX	Non-Qualified Stock Option (right to buy)	Common Stock (3,314)	$21.67	June 26, 2016	3,314	Acquired
June 26, 2005	LPX	Stock Option (Right to Buy) [F3]	Common Stock (2,804)	$24.70	June 26, 2015	2,804	Acquired
June 26, 2004	LPX	Stock Option (Right to Buy) [F3]	Common Stock (2,824)	$22.40	June 26, 2014	2,824	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).