David B Powers

Insider

First SEC filing: Feb. 1, 2005 · Latest: Feb. 1, 2005

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.
Initial holdings The stakes this person held when they first started reporting.

Insider at

EXP selling Feb. 7, 2024

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 72 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

72 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 1, 2024	EXP	A	478	—	—	1,133 Direct	+72.98%	Acquired	(price as of 2026-08-19)
Feb. 7, 2024	EXP	S	5,653	$240.52	$1,359,660	18,009 Indirect	-23.89%	Disposed	-14.7% (price as of 2026-08-19)
Feb. 7, 2024	EXP	S	2,936	$240.58	$706,343	655 Direct	-81.76%	Disposed	-14.7% (price as of 2026-08-19)
Feb. 7, 2024	EXP	S	411	$240.04	$98,656	3,591 Direct	-10.27%	Disposed	-14.5% (price as of 2026-08-19)
Aug. 7, 2023	EXP	A	655	—	—	4,002 Direct	+19.57%	Acquired	(price as of 2026-08-19)
Feb. 8, 2023	EXP	S	4,941	$147.48	$728,699	23,662 Indirect	-17.27%	Disposed	39.2% (price as of 2026-08-19)
Aug. 5, 2022	EXP	A	978	—	—	3,347 Direct	+41.28%	Acquired	(price as of 2026-08-19)
Aug. 12, 2021	EXP	S	3,579	$154.48	$552,884	28,603 Indirect	-11.12%	Disposed	32.9% (price as of 2026-08-19)
Aug. 12, 2021	EXP	S	8,421	$153.90	$1,295,992	32,182 Indirect	-20.74%	Disposed	33.4% (price as of 2026-08-19)
Aug. 3, 2021	EXP	A	874	—	—	2,369 Direct	+58.46%	Acquired	(price as of 2026-08-19)
Feb. 4, 2021	EXP	M	6,246	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Feb. 4, 2021	EXP	M	17,164	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Feb. 4, 2021	EXP	S	6,237	$117.45	$732,536	42,098 Direct	-12.90%	Disposed	74.8% (price as of 2026-08-19)
Feb. 4, 2021	EXP	S	5,162	$116.70	$602,405	48,335 Direct	-9.65%	Disposed	75.9% (price as of 2026-08-19)
Feb. 4, 2021	EXP	S	18,248	$117.10	$2,136,841	53,497 Direct	-25.43%	Disposed	75.3% (price as of 2026-08-19)
Feb. 4, 2021	EXP	M	6,246	$87.37	$545,713	71,745 Direct	+9.54%	Acquired	135.0% (price as of 2026-08-19)
Feb. 4, 2021	EXP	M	17,164	$81.56	$1,399,896	65,499 Direct	+35.51%	Acquired	151.7% (price as of 2026-08-19)
Dec. 21, 2020	EXP	G	46,840	—	—	46,840 Indirect	—	Acquired	(price as of 2026-08-19)
Dec. 21, 2020	EXP	G	46,840	—	—	1,495 Direct	-96.91%	Disposed	(price as of 2026-08-19)
Aug. 6, 2020	EXP	S	1,519	$82.52	$125,348	0 Indirect	-100.00%	Disposed	148.8% (price as of 2026-08-19)
Aug. 5, 2020	EXP	A	1,495	—	—	48,335 Direct	+3.19%	Acquired	(price as of 2026-08-19)
Feb. 14, 2020	EXP	S 10b5-1	9,266	$88.22	$817,447	46,840 Direct	-16.52%	Disposed	132.7% (price as of 2026-08-19)
Feb. 14, 2020	EXP	S 10b5-1	10,734	$87.85	$942,982	56,106 Direct	-16.06%	Disposed	133.7% (price as of 2026-08-19)
Nov. 15, 2019	EXP	S 10b5-1	2,614	$93.71	$244,958	66,840 Direct	-3.76%	Disposed	119.1% (price as of 2026-08-19)
Nov. 15, 2019	EXP	S 10b5-1	17,386	$93.02	$1,617,246	69,454 Direct	-20.02%	Disposed	120.7% (price as of 2026-08-19)
Sept. 19, 2019	EXP	M	7,681	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Sept. 19, 2019	EXP	S 10b5-1	7,681	$90.00	$691,290	86,840 Direct	-8.13%	Disposed	128.1% (price as of 2026-08-19)
Sept. 19, 2019	EXP	M	7,681	$67.21	$516,240	94,521 Direct	+8.85%	Acquired	205.4% (price as of 2026-08-19)
Sept. 4, 2019	EXP	S 10b5-1	20,000	$85.00	$1,700,000	86,840 Direct	-18.72%	Disposed	141.5% (price as of 2026-08-19)
Aug. 6, 2019	EXP	A	1,482	—	—	106,840 Direct	+1.41%	Acquired	(price as of 2026-08-19)
July 1, 2019	EXP	F	20,856	$92.70	$1,933,351	105,358 Direct	-16.52%	Disposed	121.4% (price as of 2026-08-19)
May 20, 2019	EXP	F	1,625	$91.07	$147,989	126,214 Direct	-1.27%	Disposed	125.4% (price as of 2026-08-19)
May 16, 2019	EXP	F	1,745	$88.26	$154,014	127,839 Direct	-1.35%	Disposed	132.6% (price as of 2026-08-19)
May 13, 2019	EXP	A	17,731	—	—	129,584 Direct	+15.85%	Acquired	(price as of 2026-08-19)
April 1, 2019	EXP	F	7,886	$84.30	$664,790	111,853 Direct	-6.59%	Disposed	143.5% (price as of 2026-08-19)
March 4, 2019	EXP	G	1,000	—	—	119,739 Direct	-0.83%	Disposed	(price as of 2026-08-19)
May 20, 2018	EXP	F	1,625	$109.41	$177,791	120,739 Direct	-1.33%	Disposed	87.6% (price as of 2026-08-19)
May 17, 2018	EXP	A	16,473	—	—	122,364 Direct	+15.56%	Acquired	(price as of 2026-08-19)
May 10, 2018	EXP	F	1,830	—	—	105,891 Direct	-1.70%	Disposed	(price as of 2026-08-19)
May 7, 2018	EXP	A	18,596	—	—	107,721 Direct	+20.87%	Acquired	(price as of 2026-08-19)
April 2, 2018	EXP	F	5,138	$103.05	$529,471	90,125 Direct	-5.39%	Disposed	99.2% (price as of 2026-08-19)
Aug. 7, 2017	EXP	M	11,317	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Aug. 7, 2017	EXP	S 10b5-1	11,317	$93.57	$1,058,932	95,263 Direct	-10.62%	Disposed	119.4% (price as of 2026-08-19)
Aug. 7, 2017	EXP	M	11,317	$33.69	$381,270	106,580 Direct	+11.88%	Acquired	509.3% (price as of 2026-08-19)
May 20, 2017	EXP	F	1,733	$99.48	$172,399	95,263 Direct	-1.79%	Disposed	106.4% (price as of 2026-08-19)
May 18, 2017	EXP	A	16,109	—	—	96,996 Direct	+19.92%	Acquired	(price as of 2026-08-19)
May 15, 2017	EXP	F	2,048	$98.54	$201,810	80,887 Direct	-2.47%	Disposed	108.3% (price as of 2026-08-19)
May 10, 2017	EXP	A	19,535	—	—	82,935 Direct	+30.81%	Acquired	(price as of 2026-08-19)
May 8, 2017	EXP	M	11,000	—	—	11,317 Direct	-49.29%	Disposed	(price as of 2026-08-19)
May 8, 2017	EXP	S 10b5-1	11,000	$99.03	$1,089,330	63,400 Direct	-14.78%	Disposed	107.3% (price as of 2026-08-19)
May 8, 2017	EXP	M	11,000	$33.69	$370,590	73,400 Direct	+17.63%	Acquired	509.3% (price as of 2026-08-19)
March 31, 2017	EXP	F	2,111	$96.15	$202,973	62,400 Direct	-3.27%	Disposed	113.5% (price as of 2026-08-19)
Jan. 27, 2017	EXP	M	12,477	—	—	22,317 Direct	-35.86%	Disposed	(price as of 2026-08-19)
Jan. 27, 2017	EXP	M	9,523	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Jan. 27, 2017	EXP	S	22,000	$106.49	$2,342,780	64,511 Direct	-25.43%	Disposed	92.8% (price as of 2026-08-19)
Jan. 27, 2017	EXP	M	12,477	$33.69	$420,350	86,511 Direct	+16.85%	Acquired	509.3% (price as of 2026-08-19)
Jan. 27, 2017	EXP	M	9,523	$27.53	$262,168	74,034 Direct	+14.76%	Acquired	645.7% (price as of 2026-08-19)
May 20, 2016	EXP	A	16,515	—	—	64,511 Direct	+34.41%	Acquired	(price as of 2026-08-19)
May 11, 2016	EXP	F	414	$77.34	$32,019	47,996 Direct	-0.86%	Disposed	165.4% (price as of 2026-08-19)
May 11, 2016	EXP	D	414	$77.34	$32,019	47,996 Direct	-0.86%	Disposed	165.4% (price as of 2026-08-19)
May 10, 2016	EXP	G	1,000	—	—	48,410 Direct	-2.02%	Disposed	(price as of 2026-08-19)
May 6, 2016	EXP	A	4,934	—	—	49,410 Direct	+11.09%	Acquired	(price as of 2026-08-19)
March 31, 2016	EXP	F	2,925	$70.19	$205,306	44,476 Direct	-6.17%	Disposed	192.5% (price as of 2026-08-19)
June 10, 2015	EXP	A	17,164	—	—	17,164 Direct	—	Acquired	(price as of 2026-08-19)
June 5, 2015	EXP	F	4,894	$81.94	$401,014	47,401 Direct	-9.36%	Disposed	150.5% (price as of 2026-08-19)
May 7, 2015	EXP	F	576	$84.30	$48,557	52,295 Direct	-1.09%	Disposed	143.5% (price as of 2026-08-19)
May 5, 2015	EXP	A	6,246	—	—	6,246 Direct	—	Acquired	(price as of 2026-08-19)
May 5, 2015	EXP	A	6,868	—	—	52,871 Direct	+14.93%	Acquired	(price as of 2026-08-19)
March 31, 2015	EXP	F	2,559	$83.82	$214,495	46,003 Direct	-5.27%	Disposed	144.9% (price as of 2026-08-19)
May 8, 2014	EXP	F	749	$82.50	$61,792	48,562 Direct	-1.52%	Disposed	148.8% (price as of 2026-08-19)
May 6, 2014	EXP	A	8,928	—	—	49,311 Direct	+22.11%	Acquired	(price as of 2026-08-19)
March 31, 2014	EXP	F	3,173	$87.25	$276,844	40,383 Direct	-7.28%	Disposed	135.3% (price as of 2026-08-19)
March 6, 2014	EXP	M	4,695	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
March 6, 2014	EXP	M	9,523	—	—	9,523 Direct	-50.00%	Disposed	(price as of 2026-08-19)
March 6, 2014	EXP	S	14,218	$90.37	$1,284,881	43,556 Direct	-24.61%	Disposed	127.2% (price as of 2026-08-19)
March 6, 2014	EXP	M	4,695	$62.83	$294,987	57,774 Direct	+8.85%	Acquired	226.7% (price as of 2026-08-19)
March 6, 2014	EXP	M	9,523	$27.53	$262,168	53,079 Direct	+21.86%	Acquired	645.7% (price as of 2026-08-19)
Feb. 10, 2014	EXP	M	9,523	—	—	19,046 Direct	-33.33%	Disposed	(price as of 2026-08-19)
Feb. 10, 2014	EXP	S	9,523	$80.68	$768,316	43,556 Direct	-17.94%	Disposed	154.4% (price as of 2026-08-19)
Feb. 10, 2014	EXP	M	9,523	$27.53	$262,168	53,079 Direct	+21.86%	Acquired	645.7% (price as of 2026-08-19)
Nov. 4, 2013	EXP	M	9,219	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Nov. 4, 2013	EXP	S	9,219	$78.47	$723,415	43,556 Direct	-17.47%	Disposed	161.6% (price as of 2026-08-19)
Nov. 4, 2013	EXP	M	9,219	$30.74	$283,392	52,775 Direct	+21.17%	Acquired	567.8% (price as of 2026-08-19)
Aug. 12, 2013	EXP	A	7,681	—	—	7,681 Direct	—	Acquired	(price as of 2026-08-19)
June 19, 2013	EXP	F	373	$73.02	$27,236	43,556 Direct	-0.85%	Disposed	181.1% (price as of 2026-08-19)
May 21, 2013	EXP	M	10,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
May 21, 2013	EXP	S	10,000	$75.87	$758,700	43,929 Direct	-18.54%	Disposed	170.6% (price as of 2026-08-19)
May 21, 2013	EXP	M	10,000	$26.70	$267,000	53,929 Direct	+22.76%	Acquired	668.8% (price as of 2026-08-19)
May 3, 2013	EXP	A	4,453	—	—	43,929 Direct	+11.28%	Acquired	(price as of 2026-08-19)
March 31, 2013	EXP	F	2,938	$66.63	$195,759	39,476 Direct	-6.93%	Disposed	208.1% (price as of 2026-08-19)
Jan. 23, 2013	EXP	A	6	—	—	4,048 Direct	+0.15%	Acquired	(price as of 2026-08-19)
Dec. 18, 2012	EXP	M	16,679	—	—	10,000 Direct	-62.52%	Disposed	(price as of 2026-08-19)
Dec. 18, 2012	EXP	S	22,040	$56.87	$1,253,415	38,365 Direct	-36.49%	Disposed	261.0% (price as of 2026-08-19)
Dec. 18, 2012	EXP	S	6,679	$57.29	$382,640	60,405 Direct	-9.96%	Disposed	258.3% (price as of 2026-08-19)
Dec. 18, 2012	EXP	S	5,000	$57.28	$286,400	67,084 Direct	-6.94%	Disposed	258.4% (price as of 2026-08-19)
Dec. 18, 2012	EXP	S	5,000	$57.26	$286,300	72,084 Direct	-6.49%	Disposed	258.5% (price as of 2026-08-19)
Dec. 18, 2012	EXP	M	16,679	$26.70	$445,329	77,084 Direct	+27.61%	Acquired	668.8% (price as of 2026-08-19)
Nov. 29, 2012	EXP	M	21,321	—	—	26,679 Direct	-44.42%	Disposed	(price as of 2026-08-19)
Nov. 29, 2012	EXP	S	21,321	$54.85	$1,169,457	60,405 Direct	-26.09%	Disposed	274.3% (price as of 2026-08-19)
Nov. 29, 2012	EXP	M	21,321	$26.70	$569,271	81,726 Direct	+35.30%	Acquired	668.8% (price as of 2026-08-19)

Showing latest 100 of 144 transactions

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
Feb. 4, 2021	EXP	Non-Qualified Stock Option (Right to Buy)	Common Stock (6,246)	$87.37	June 3, 2024	6,246	Disposed
Feb. 4, 2021	EXP	Non-Qualified Stock Option (Right to Buy)	Common Stock (17,164)	$81.56	June 10, 2025	17,164	Disposed
Sept. 19, 2019	EXP	Non-Qualified Stock Option (Right to Buy)	Common Stock (7,681)	$67.21	Aug. 12, 2023	7,681	Disposed
Aug. 7, 2017	EXP	Non-Qualified Stock Option (Right to Buy)	Common Stock (11,317)	$33.69	June 19, 2022	11,317	Disposed
May 8, 2017	EXP	Non-Qualified Stock Option (Right to Buy)	Common Stock (11,000)	$33.69	June 19, 2022	11,000	Disposed
Jan. 27, 2017	EXP	Non-Qualified Stock Option (Right to Buy)	Common Stock (12,477)	$33.69	June 19, 2022	12,477	Disposed
Jan. 27, 2017	EXP	Non-Qualified Stock Option (Right to Buy)	Common Stock (9,523)	$27.53	June 27, 2021	9,523	Disposed
June 10, 2015	EXP	Non-Qualified Stock Option (Right to Buy)	Common Stock (17,164)	—	June 10, 2025	17,164	Acquired
May 5, 2015	EXP	Non-Qualified Stock Option (Right to Buy)	Common Stock (6,246)	$87.37	June 3, 2024	6,246	Acquired
March 6, 2014	EXP	Non-qualified Stock Option (Option to Buy)	Common Stock (4,695)	$62.83	May 9, 2016	4,695	Disposed
March 6, 2014	EXP	Non-qualified Stock Option (Option to Buy)	Common Stock (9,523)	$27.53	June 27, 2021	9,523	Disposed
Feb. 10, 2014	EXP	Non-qualified Stock Option (Option to Buy)	Common Stock (9,523)	$27.53	June 27, 2021	9,523	Disposed
Nov. 4, 2013	EXP	Non-qualified Stock Option (Option to Buy)	Common Stock (9,219)	$30.74	May 18, 2020	9,219	Disposed
Aug. 12, 2013	EXP	Non-Qualified Stock Option (Right to Buy)	Common Stock (7,681)	—	Aug. 12, 2023	7,681	Acquired
May 21, 2013	EXP	Non-qualified Stock Option (Option to Buy)	Common Stock (10,000)	$26.70	Aug. 21, 2015	10,000	Disposed
Dec. 18, 2012	EXP	Non-qualified Stock Option (Option to Buy)	Common Stock (16,679)	$26.70	Aug. 21, 2015	16,679	Disposed
Nov. 29, 2012	EXP	Non-qualified Stock Option (Option to Buy)	Common Stock (21,321)	$26.70	Aug. 21, 2015	21,321	Disposed
June 19, 2012	EXP	Non-Qualified Stock Option (Right to Buy)	Common Stock (34,794)	—	June 19, 2022	34,794	Acquired
March 21, 2012	EXP	Non-qualified Stock Option (Right to Buy)	Common Stock (8,305)	$29.08	June 9, 2012	8,305	Disposed
March 13, 2012	EXP	Non-qualified Stock Option (Right to Buy)	Common Stock (8,000)	$29.08	June 9, 2012	8,000	Disposed
June 27, 2011	EXP	Non-Qualified Stock Option (Right to Buy)	Common Stock (28,569)	—	June 27, 2021	28,569	Acquired
May 6, 2011	EXP	Non-Qualified Stock Option (Right to Buy)	Common Stock (9,219)	$30.74	May 18, 2020	9,219	Acquired
March 3, 2011	EXP	Non-qualified Stock Option (Right to Buy)	Common Stock (19,866)	$9.57	Oct. 24, 2012	19,866	Disposed
April 30, 2009	EXP	Non-Qualified Stock Option (Right to Buy)	Common Stock (48,000)	$26.70	Aug. 21, 2015	48,000	Acquired
April 30, 2007	EXP	Non-Qualified Stock Option (Right to Buy)	Common Stock (4,695)	$62.83	May 9, 2016	4,695	Acquired
April 21, 2006	EXP	Non-Qualified Stock Option (Right to Buy)	Common Stock (16,305)	$29.08	June 9, 2012	16,305	Acquired

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

Initial ownership (Form 3) 2 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Feb. 1, 2005	EXP	Common Stock	0	Direct
Feb. 1, 2005	EXP	Non-Qualified Stock Option (Right to Buy)→ Common Stock (6,622)	6,622	Direct