William Howard Powell

Insider

First SEC filing: July 20, 2015 · Latest: July 20, 2015

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

Insider at

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
Jan. 21, 2021	FMC	A	64	—	—	17,202 Direct	+0.37%	Acquired	(price as of 2026-08-20)
Oct. 15, 2020	FMC	A	63	—	—	17,138 Direct	+0.37%	Acquired	(price as of 2026-08-20)
July 16, 2020	FMC	A	67	—	—	17,075 Direct	+0.39%	Acquired	(price as of 2026-08-20)
April 28, 2020	FMC	A	1,540	—	—	17,008 Direct	+9.96%	Acquired	(price as of 2026-08-20)
April 16, 2020	FMC	A	71	—	—	15,468 Direct	+0.46%	Acquired	(price as of 2026-08-20)
Feb. 21, 2020	FMC	S	5,000	$107.13	$535,650	15,397 Direct	-24.51%	Disposed	-89.8% (price as of 2026-08-20)
Jan. 16, 2020	FMC	A	58	—	—	20,397 Direct	+0.29%	Acquired	(price as of 2026-08-20)
Dec. 12, 2019	FMC	G	1,010	—	—	20,339 Direct	-4.73%	Disposed	(price as of 2026-08-20)
Oct. 17, 2019	FMC	A	60	—	—	21,349 Direct	+0.28%	Acquired	(price as of 2026-08-20)
May 1, 2019	FMC	A	1,771	—	—	21,226 Direct	+9.10%	Acquired	(price as of 2026-08-20)
March 31, 2019	AVNT	A	1,108	—	—	11,190 Direct	+10.99%	Acquired	(price as of 2026-08-20)
Jan. 17, 2019	FMC	A	62	—	—	19,386 Direct	+0.32%	Acquired	(price as of 2026-08-20)
Jan. 9, 2019	AVNT	A	335	$30.68	$10,278	53,188 Indirect	+0.63%	Acquired	42.1% (price as of 2026-08-20)
Dec. 31, 2018	AVNT	A	1,149	—	—	10,082 Direct	+12.86%	Acquired	(price as of 2026-08-20)
Oct. 18, 2018	FMC	A	22	—	—	19,324 Direct	+0.11%	Acquired	(price as of 2026-08-20)
Oct. 4, 2018	AVNT	A	217	$42.31	$9,181	52,853 Indirect	+0.41%	Acquired	3.0% (price as of 2026-08-20)
Sept. 30, 2018	AVNT	A	745	—	—	8,933 Direct	+9.10%	Acquired	(price as of 2026-08-20)
July 19, 2018	FMC	A	21	—	—	19,302 Direct	+0.11%	Acquired	(price as of 2026-08-20)
July 9, 2018	AVNT	A	205	$44.46	$9,114	52,636 Indirect	+0.39%	Acquired	-1.9% (price as of 2026-08-20)
June 30, 2018	AVNT	A	660	—	—	8,188 Direct	+8.77%	Acquired	(price as of 2026-08-20)
June 18, 2018	AVNT	S	15,000	$43.16	$647,400	5,000 Indirect	-75.00%	Disposed	1.0% (price as of 2026-08-20)
June 18, 2018	AVNT	G	1,500	—	—	7,528 Direct	-16.61%	Disposed	(price as of 2026-08-20)
June 18, 2018	AVNT	S	4,000	$43.30	$173,200	9,028 Direct	-30.70%	Disposed	0.7% (price as of 2026-08-20)
May 1, 2018	FMC	A	1,631	—	—	19,281 Direct	+9.24%	Acquired	(price as of 2026-08-20)
April 19, 2018	FMC	A	26	—	—	17,650 Direct	+0.15%	Acquired	(price as of 2026-08-20)
April 5, 2018	AVNT	A	213	$42.73	$9,101	52,431 Indirect	+0.41%	Acquired	2.0% (price as of 2026-08-20)
March 31, 2018	AVNT	A	677	—	—	13,028 Direct	+5.48%	Acquired	(price as of 2026-08-20)
Jan. 18, 2018	FMC	A	21	—	—	17,624 Direct	+0.12%	Acquired	(price as of 2026-08-20)
Jan. 10, 2018	AVNT	A	200	$45.38	$9,076	52,218 Indirect	+0.38%	Acquired	-3.9% (price as of 2026-08-20)
Dec. 31, 2017	AVNT	A	656	—	—	12,351 Direct	+5.61%	Acquired	(price as of 2026-08-20)
Nov. 10, 2017	GVA	S	3,103	$63.85	$198,127	46,771 Direct	-6.22%	Disposed	96.0% (price as of 2026-08-20)
Oct. 19, 2017	FMC	A	22	—	—	17,603 Direct	+0.13%	Acquired	(price as of 2026-08-20)
Oct. 5, 2017	AVNT	A	171	$40.77	$6,972	52,018 Indirect	+0.33%	Acquired	6.9% (price as of 2026-08-20)
Sept. 30, 2017	AVNT	A	714	—	—	11,695 Direct	+6.50%	Acquired	(price as of 2026-08-20)
July 20, 2017	FMC	A	27	—	—	17,581 Direct	+0.15%	Acquired	(price as of 2026-08-20)
July 7, 2017	AVNT	A	183	$37.95	$6,945	51,847 Indirect	+0.35%	Acquired	14.9% (price as of 2026-08-20)
June 30, 2017	AVNT	A	740	—	—	10,981 Direct	+7.23%	Acquired	(price as of 2026-08-20)
June 15, 2017	GVA	S	3,000	$49.60	$148,800	49,858 Direct	-5.68%	Disposed	152.3% (price as of 2026-08-20)
June 9, 2017	GVA	A	3,460	$50.59	$175,041	52,858 Direct	+7.00%	Acquired	147.4% (price as of 2026-08-20)
May 12, 2017	FMC	S	3,000	$72.73	$218,190	17,554 Direct	-14.60%	Disposed	-82.7% (price as of 2026-08-20)
May 1, 2017	FMC	A	1,776	—	—	20,554 Direct	+9.46%	Acquired	(price as of 2026-08-20)
April 20, 2017	FMC	A	28	—	—	18,778 Direct	+0.15%	Acquired	(price as of 2026-08-20)
April 6, 2017	AVNT	A	207	$33.32	$6,897	51,664 Indirect	+0.40%	Acquired	30.9% (price as of 2026-08-20)
March 31, 2017	AVNT	A	842	—	—	10,241 Direct	+8.96%	Acquired	(price as of 2026-08-20)
Jan. 19, 2017	FMC	A	35	—	—	18,750 Direct	+0.19%	Acquired	(price as of 2026-08-20)
Jan. 6, 2017	AVNT	A	210	$32.78	$6,884	51,457 Indirect	+0.41%	Acquired	33.0% (price as of 2026-08-20)
Dec. 31, 2016	AVNT	A	890	—	—	9,399 Direct	+10.46%	Acquired	(price as of 2026-08-20)
Oct. 20, 2016	FMC	A	40	—	—	18,715 Direct	+0.21%	Acquired	(price as of 2026-08-20)
Oct. 6, 2016	AVNT	A	183	$33.27	$6,088	51,247 Indirect	+0.36%	Acquired	31.0% (price as of 2026-08-20)
Sept. 30, 2016	AVNT	A	814	—	—	8,509 Direct	+10.58%	Acquired	(price as of 2026-08-20)
July 21, 2016	FMC	A	42	—	—	18,675 Direct	+0.23%	Acquired	(price as of 2026-08-20)
July 8, 2016	AVNT	A	168	$33.77	$5,673	51,064 Indirect	+0.33%	Acquired	29.1% (price as of 2026-08-20)
June 30, 2016	AVNT	A	786	—	—	7,695 Direct	+11.38%	Acquired	(price as of 2026-08-20)
June 10, 2016	GVA	A	3,993	$43.83	$175,013	49,303 Direct	+8.81%	Acquired	185.5% (price as of 2026-08-20)
May 24, 2016	AVNT	S	5,881	$36.70	$215,833	6,909 Direct	-45.98%	Disposed	18.8% (price as of 2026-08-20)
May 1, 2016	FMC	A	3,006	—	—	18,633 Direct	+19.24%	Acquired	(price as of 2026-08-20)
April 6, 2016	AVNT	A	201	$30.05	$6,040	50,896 Indirect	+0.40%	Acquired	45.1% (price as of 2026-08-20)
Jan. 21, 2016	FMC	A	40	—	—	15,588 Direct	+0.26%	Acquired	(price as of 2026-08-20)
Oct. 15, 2015	FMC	A	46	—	—	15,548 Direct	+0.30%	Acquired	(price as of 2026-08-20)
July 16, 2015	FMC	A	30	—	—	15,502 Direct	+0.19%	Acquired	(price as of 2026-08-20)
June 5, 2015	GVA	A	4,704	$37.21	$175,036	45,228 Direct	+11.61%	Acquired	236.3% (price as of 2026-08-20)
May 12, 2015	GVA	S	10	$38.19	$382	40,524 Direct	-0.02%	Disposed	227.7% (price as of 2026-08-20)
May 12, 2015	GVA	S	10,000	$37.50	$375,000	40,534 Direct	-19.79%	Disposed	233.7% (price as of 2026-08-20)
May 11, 2015	GVA	S	300	$38.27	$11,481	50,534 Direct	-0.59%	Disposed	227.0% (price as of 2026-08-20)
May 11, 2015	GVA	S	200	$38.30	$7,660	50,834 Direct	-0.39%	Disposed	226.8% (price as of 2026-08-20)
May 11, 2015	GVA	S	100	$38.42	$3,842	51,034 Direct	-0.20%	Disposed	225.7% (price as of 2026-08-20)
May 11, 2015	GVA	S	100	$38.39	$3,839	51,134 Direct	-0.20%	Disposed	226.0% (price as of 2026-08-20)
May 11, 2015	GVA	S	100	$38.38	$3,838	51,234 Direct	-0.19%	Disposed	226.1% (price as of 2026-08-20)
May 11, 2015	GVA	S	100	$38.37	$3,837	51,334 Direct	-0.19%	Disposed	226.2% (price as of 2026-08-20)
May 11, 2015	GVA	S	100	$38.32	$3,832	51,434 Direct	-0.19%	Disposed	226.6% (price as of 2026-08-20)
May 11, 2015	GVA	S	100	$38.31	$3,831	51,534 Direct	-0.19%	Disposed	226.7% (price as of 2026-08-20)
May 11, 2015	GVA	S	100	$38.30	$3,830	51,634 Direct	-0.19%	Disposed	226.8% (price as of 2026-08-20)
May 11, 2015	GVA	S	100	$38.25	$3,825	51,734 Direct	-0.19%	Disposed	227.2% (price as of 2026-08-20)
May 11, 2015	GVA	S	100	$38.24	$3,824	51,834 Direct	-0.19%	Disposed	227.3% (price as of 2026-08-20)
May 11, 2015	GVA	S	100	$38.21	$3,821	51,934 Direct	-0.19%	Disposed	227.5% (price as of 2026-08-20)
May 11, 2015	GVA	S	100	$38.17	$3,817	52,034 Direct	-0.19%	Disposed	227.9% (price as of 2026-08-20)
May 11, 2015	GVA	S	100	$38.50	$3,850	52,134 Direct	-0.19%	Disposed	225.1% (price as of 2026-08-20)
May 11, 2015	GVA	S	100	$38.17	$3,817	52,234 Direct	-0.19%	Disposed	227.9% (price as of 2026-08-20)
May 11, 2015	GVA	S	100	$38.15	$3,815	52,334 Direct	-0.19%	Disposed	228.0% (price as of 2026-08-20)
May 11, 2015	GVA	S	90	$38.16	$3,434	52,434 Direct	-0.17%	Disposed	228.0% (price as of 2026-08-20)
May 1, 2015	FMC	A	2,159	—	—	15,472 Direct	+16.22%	Acquired	(price as of 2026-08-20)
April 16, 2015	FMC	A	23	—	—	13,313 Direct	+0.17%	Acquired	(price as of 2026-08-20)
Jan. 15, 2015	FMC	A	21	—	—	13,290 Direct	+0.16%	Acquired	(price as of 2026-08-20)
Oct. 16, 2014	FMC	A	20	—	—	13,269 Direct	+0.15%	Acquired	(price as of 2026-08-20)
July 17, 2014	FMC	A	17	—	—	13,249 Direct	+0.13%	Acquired	(price as of 2026-08-20)
June 6, 2014	GVA	A	4,816	$36.34	$175,013	52,470 Direct	+10.11%	Acquired	244.4% (price as of 2026-08-20)
May 1, 2014	FMC	A	1,624	—	—	13,232 Direct	+13.99%	Acquired	(price as of 2026-08-20)
April 17, 2014	FMC	A	11	—	—	11,608 Direct	+0.09%	Acquired	(price as of 2026-08-20)
Jan. 16, 2014	FMC	A	10	—	—	11,597 Direct	+0.09%	Acquired	(price as of 2026-08-20)
Oct. 17, 2013	FMC	A	11	—	—	11,587 Direct	+0.10%	Acquired	(price as of 2026-08-20)
July 18, 2013	FMC	A	13	—	—	11,576 Direct	+0.11%	Acquired	(price as of 2026-08-20)
June 14, 2013	GVA	S	10,000	$29.82	$298,200	47,332 Direct	-17.44%	Disposed	319.7% (price as of 2026-08-20)
June 14, 2013	GVA	S	10,000	$29.82	$298,200	47,332 Direct	-17.44%	Disposed	319.7% (price as of 2026-08-20)
June 6, 2013	GVA	A	5,032	$29.81	$150,004	57,332 Direct	+9.62%	Acquired	319.8% (price as of 2026-08-20)
May 1, 2013	FMC	A	2,493	—	—	11,563 Direct	+27.49%	Acquired	(price as of 2026-08-20)
April 18, 2013	FMC	A	8	—	—	9,070 Direct	+0.09%	Acquired	(price as of 2026-08-20)
Jan. 17, 2013	FMC	A	8	—	—	9,062 Direct	+0.09%	Acquired	(price as of 2026-08-20)
Oct. 18, 2012	FMC	A	6	—	—	9,054 Direct	+0.07%	Acquired	(price as of 2026-08-20)
July 19, 2012	FMC	A	6	—	—	4,527 Direct	+0.13%	Acquired	(price as of 2026-08-20)
May 30, 2012	GVA	A	6,497	—	—	52,179 Direct	+14.22%	Acquired	(price as of 2026-08-20)

Showing latest 100 of 197 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.

Initial ownership (Form 3) 3 holdings

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

Date	Ticker	Security	Shares	Ownership
June 3, 2011	FMC	Common Stock	2,000	Direct
Oct. 6, 2008	AVNT	Common Stock	10,000	Direct
Aug. 3, 2004	GVA	Common Stock	2,000	Direct