Michael R. Costello

Insider

First SEC filing: March 11, 2011 · Latest: March 11, 2011

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

CLX selling May 8, 2020

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 75 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

75 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 20, 2020	CLX	A	2,257	$228.30	$515,273	36,896 Direct	+6.52%	Acquired	-52.6% (price as of 2026-08-20)
Aug. 20, 2020	CLX	F	889	$228.30	$202,959	36,007 Direct	-2.41%	Disposed	-52.6% (price as of 2026-08-20)
May 8, 2020	CLX	M	17,110	$111.60	$1,909,476	48,239 Direct	+54.96%	Acquired	-3.0% (price as of 2026-08-20)
May 8, 2020	CLX	M	14,459	$84.45	$1,221,063	62,698 Direct	+29.97%	Acquired	28.2% (price as of 2026-08-20)
May 8, 2020	CLX	M	12,285	$123.09	$1,512,161	74,983 Direct	+19.59%	Acquired	-12.0% (price as of 2026-08-20)
May 8, 2020	CLX	M	7,780	$135.57	$1,054,735	82,763 Direct	+10.38%	Acquired	-20.1% (price as of 2026-08-20)
May 8, 2020	CLX	S	48,124	$203.05	$9,771,578	34,639 Direct	-58.15%	Disposed	-46.7% (price as of 2026-08-20)
May 8, 2020	CLX	M	7,780	—	—	7,780 Direct	-50.00%	Disposed	(price as of 2026-08-20)
May 8, 2020	CLX	M	12,285	—	—	4,095 Direct	-75.00%	Disposed	(price as of 2026-08-20)
May 8, 2020	CLX	M	17,110	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 8, 2020	CLX	M	14,459	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 2, 2020	CLX	M	20,830	$89.82	$1,870,951	50,489 Direct	+70.23%	Acquired	20.6% (price as of 2026-08-20)
March 2, 2020	CLX	S	19,360	$169.43	$3,280,165	31,129 Direct	-38.34%	Disposed	-36.1% (price as of 2026-08-20)
March 2, 2020	CLX	M	20,830	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Sept. 4, 2019	CLX	M	7,640	$72.11	$550,920	36,656 Direct	+26.33%	Acquired	50.2% (price as of 2026-08-20)
Sept. 4, 2019	CLX	S	6,997	$162.56	$1,137,432	29,659 Direct	-19.09%	Disposed	-33.4% (price as of 2026-08-20)
Sept. 4, 2019	CLX	M	7,640	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Aug. 29, 2019	CLX	G	365	—	—	29,016 Direct	-1.24%	Disposed	(price as of 2026-08-20)
Aug. 22, 2019	CLX	A	1,903	$159.15	$302,862	29,647 Direct	+6.86%	Acquired	-32.0% (price as of 2026-08-20)
Aug. 22, 2019	CLX	M	102	$84.45	$8,614	29,749 Direct	+0.34%	Acquired	28.2% (price as of 2026-08-20)
Aug. 22, 2019	CLX	F	464	$159.15	$73,846	29,285 Direct	-1.56%	Disposed	-32.0% (price as of 2026-08-20)
Aug. 22, 2019	CLX	M	102	—	—	14,459 Direct	-0.70%	Disposed	(price as of 2026-08-20)
Aug. 21, 2019	CLX	M	1,300	$84.45	$109,785	29,044 Direct	+4.69%	Acquired	28.2% (price as of 2026-08-20)
Aug. 21, 2019	CLX	S	1,300	$160.00	$208,000	27,744 Direct	-4.48%	Disposed	-32.3% (price as of 2026-08-20)
Aug. 21, 2019	CLX	M	1,300	—	—	14,561 Direct	-8.20%	Disposed	(price as of 2026-08-20)
Aug. 20, 2019	CLX	M	2,069	$84.45	$174,727	29,669 Direct	+7.50%	Acquired	28.2% (price as of 2026-08-20)
Aug. 20, 2019	CLX	S	1,925	$162.24	$312,312	27,744 Direct	-6.49%	Disposed	-33.3% (price as of 2026-08-20)
Aug. 20, 2019	CLX	M	2,069	—	—	15,861 Direct	-11.54%	Disposed	(price as of 2026-08-20)
Nov. 15, 2018	CLX	M	7,500	$72.11	$540,825	34,482 Direct	+27.80%	Acquired	50.2% (price as of 2026-08-20)
Nov. 15, 2018	CLX	S	6,882	$160.08	$1,101,671	27,600 Direct	-19.96%	Disposed	-32.3% (price as of 2026-08-20)
Nov. 15, 2018	CLX	M	7,500	—	—	7,640 Direct	-49.54%	Disposed	(price as of 2026-08-20)
Aug. 18, 2018	CLX	F	179	$147.53	$26,408	26,982 Direct	-0.66%	Disposed	-26.6% (price as of 2026-08-20)
Aug. 16, 2018	CLX	A	3,030	$146.77	$444,713	28,058 Direct	+12.11%	Acquired	-26.2% (price as of 2026-08-20)
Aug. 16, 2018	CLX	F	950	$146.77	$139,432	27,108 Direct	-3.39%	Disposed	-26.2% (price as of 2026-08-20)
Aug. 13, 2018	CLX	M	10,000	$72.11	$721,100	34,293 Direct	+41.16%	Acquired	50.2% (price as of 2026-08-20)
Aug. 13, 2018	CLX	S	9,265	$140.02	$1,297,285	25,028 Direct	-27.02%	Disposed	-22.7% (price as of 2026-08-20)
Aug. 13, 2018	CLX	M	10,000	—	—	15,140 Direct	-39.78%	Disposed	(price as of 2026-08-20)
Nov. 28, 2017	CLX	M	11,400	$68.15	$776,910	34,867 Direct	+48.58%	Acquired	58.9% (price as of 2026-08-20)
Nov. 28, 2017	CLX	S	10,574	$136.01	$1,438,170	24,293 Direct	-30.33%	Disposed	-20.4% (price as of 2026-08-20)
Nov. 28, 2017	CLX	M	11,400	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Sept. 12, 2017	CLX	A	15,560	—	—	15,560 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 6, 2017	CLX	G	400	—	—	23,467 Direct	-1.68%	Disposed	(price as of 2026-08-20)
Aug. 18, 2017	CLX	F	146	$137.73	$20,109	23,867 Direct	-0.61%	Disposed	-21.4% (price as of 2026-08-20)
Aug. 17, 2017	CLX	A	3,572	$137.17	$489,971	24,062 Direct	+17.43%	Acquired	-21.1% (price as of 2026-08-20)
Aug. 17, 2017	CLX	F	83	$137.17	$11,385	23,979 Direct	-0.34%	Disposed	-21.1% (price as of 2026-08-20)
March 9, 2017	CLX	M	7,500	$68.15	$511,125	27,729 Direct	+37.08%	Acquired	58.9% (price as of 2026-08-20)
March 9, 2017	CLX	S	6,954	$136.91	$952,072	20,775 Direct	-25.08%	Disposed	-20.9% (price as of 2026-08-20)
March 9, 2017	CLX	M	7,500	—	—	11,400 Direct	-39.68%	Disposed	(price as of 2026-08-20)
Feb. 22, 2017	CLX	G	100	—	—	19,944 Direct	-0.50%	Disposed	(price as of 2026-08-20)
Feb. 21, 2017	CLX	G	185	—	—	20,044 Direct	-0.91%	Disposed	(price as of 2026-08-20)
Sept. 13, 2016	CLX	A	16,380	—	—	16,380 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 18, 2016	CLX	F	133	$131.22	$17,452	20,229 Direct	-0.65%	Disposed	-17.5% (price as of 2026-08-20)
Sept. 15, 2015	CLX	A	17,110	—	—	17,110 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 18, 2015	CLX	F	210	$116.99	$24,568	20,310 Direct	-1.02%	Disposed	-7.4% (price as of 2026-08-20)
Aug. 17, 2015	CLX	F	63	$117.51	$7,403	20,492 Direct	-0.31%	Disposed	-7.8% (price as of 2026-08-20)
Aug. 17, 2015	CLX	A	2,735	$117.51	$321,390	20,555 Direct	+15.35%	Acquired	-7.8% (price as of 2026-08-20)
March 2, 2015	CLX	M	15,385	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 2, 2015	CLX	S	14,278	$110.03	$1,571,008	17,636 Direct	-44.74%	Disposed	-1.6% (price as of 2026-08-20)
March 2, 2015	CLX	M	15,385	$66.48	$1,022,795	31,914 Direct	+93.08%	Acquired	62.9% (price as of 2026-08-20)
Feb. 24, 2015	CLX	M	3,084	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 24, 2015	CLX	M	3,895	—	—	15,385 Direct	-20.20%	Disposed	(price as of 2026-08-20)
Feb. 24, 2015	CLX	S	6,105	$109.80	$670,329	16,529 Direct	-26.97%	Disposed	-1.4% (price as of 2026-08-20)
Feb. 24, 2015	CLX	M	3,084	$63.95	$197,222	22,634 Direct	+15.77%	Acquired	69.3% (price as of 2026-08-20)
Feb. 24, 2015	CLX	M	3,895	$66.48	$258,940	19,550 Direct	+24.88%	Acquired	62.9% (price as of 2026-08-20)
Feb. 18, 2015	CLX	M	11,296	—	—	3,084 Direct	-78.55%	Disposed	(price as of 2026-08-20)
Feb. 18, 2015	CLX	S	11,296	$109.82	$1,240,527	15,655 Direct	-41.91%	Disposed	-1.4% (price as of 2026-08-20)
Feb. 18, 2015	CLX	M	11,296	$63.95	$722,379	26,951 Direct	+72.16%	Acquired	69.3% (price as of 2026-08-20)
Feb. 13, 2015	CLX	M	2,670	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 13, 2015	CLX	M	4,060	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 13, 2015	CLX	S	6,302	$108.36	$682,885	15,655 Direct	-28.70%	Disposed	-0.1% (price as of 2026-08-20)
Feb. 13, 2015	CLX	M	2,670	$61.51	$164,232	21,957 Direct	+13.84%	Acquired	76.1% (price as of 2026-08-20)
Feb. 13, 2015	CLX	M	4,060	$61.16	$248,310	19,287 Direct	+26.66%	Acquired	77.1% (price as of 2026-08-20)
Nov. 13, 2014	CLX	M	17,460	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 13, 2014	CLX	S	16,348	$102.00	$1,667,496	15,227 Direct	-51.78%	Disposed	6.2% (price as of 2026-08-20)
Nov. 13, 2014	CLX	M	17,460	$57.25	$999,585	31,575 Direct	+123.70%	Acquired	89.2% (price as of 2026-08-20)
Nov. 4, 2014	CLX	S	467	$101.16	$47,242	14,115 Direct	-3.20%	Disposed	7.1% (price as of 2026-08-20)
Sept. 17, 2014	CLX	A	20,830	—	—	20,830 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 18, 2014	CLX	F	195	$88.93	$17,341	14,582 Direct	-1.32%	Disposed	21.8% (price as of 2026-08-20)
Aug. 18, 2014	CLX	A	2,647	$88.93	$235,398	14,777 Direct	+21.82%	Acquired	21.8% (price as of 2026-08-20)
Nov. 14, 2013	CLX	M	1,720	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 14, 2013	CLX	S	1,617	$92.48	$149,540	12,041 Direct	-11.84%	Disposed	17.1% (price as of 2026-08-20)
Nov. 14, 2013	CLX	M	1,720	$57.00	$98,040	13,658 Direct	+14.41%	Acquired	90.0% (price as of 2026-08-20)
Sept. 17, 2013	CLX	A	17,930	—	—	17,930 Direct	—	Acquired	(price as of 2026-08-20)
May 24, 2013	CLX	M	1,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 24, 2013	CLX	S	1,217	$85.98	$104,638	11,938 Direct	-9.25%	Disposed	26.0% (price as of 2026-08-20)
May 24, 2013	CLX	M	1,500	$52.70	$79,050	13,155 Direct	+12.87%	Acquired	105.5% (price as of 2026-08-20)
Sept. 11, 2012	CLX	A	25,140	—	—	25,140 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 20, 2012	CLX	F	24	$72.31	$1,735	11,655 Direct	-0.21%	Disposed	49.8% (price as of 2026-08-20)
Aug. 20, 2012	CLX	A	1,683	$72.31	$121,698	11,679 Direct	+16.84%	Acquired	49.8% (price as of 2026-08-20)
Nov. 4, 2011	CLX	P	400	$63.96	$25,584	9,996 Direct	+4.17%	Acquired	69.3% (price as of 2026-08-20)
Sept. 13, 2011	CLX	A	18,900	—	—	18,900 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 16, 2011	CLX	F	665	$68.99	$45,878	9,596 Direct	-6.48%	Disposed	57.0% (price as of 2026-08-20)
Aug. 16, 2011	CLX	A	3,332	$68.99	$229,875	10,261 Direct	+48.09%	Acquired	57.0% (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 8, 2020	CLX	Stock Option (Right to Buy)	Common Stock (7,780)	$135.57	Sept. 12, 2027	7,780	Disposed
May 8, 2020	CLX	Stock Option (Right to Buy)	Common Stock (12,285)	$123.09	Sept. 13, 2026	12,285	Disposed
May 8, 2020	CLX	Stock Option (Right to Buy)	Common Stock (17,110)	$111.60	Sept. 15, 2025	17,110	Disposed
May 8, 2020	CLX	Stock Option (Right to Buy)	Common Stock (14,459)	$84.45	Sept. 17, 2023	14,459	Disposed
March 2, 2020	CLX	Stock Option (Right to Buy)	Common Stock (20,830)	$89.82	Sept. 17, 2024	20,830	Disposed
Sept. 4, 2019	CLX	Stock Option (Right to Buy)	Common Stock (7,640)	$72.11	Sept. 11, 2022	7,640	Disposed
Aug. 22, 2019	CLX	Stock Option (Right to Buy)	Common Stock (102)	$84.45	Sept. 17, 2023	102	Disposed
Aug. 21, 2019	CLX	Stock Option (Right to Buy)	Common Stock (1,300)	$84.45	Sept. 17, 2023	1,300	Disposed
Aug. 20, 2019	CLX	Stock Option (Right to Buy)	Common Stock (2,069)	$84.45	Sept. 17, 2023	2,069	Disposed
Nov. 15, 2018	CLX	Stock Option (Right to Buy)	Common Stock (7,500)	$72.11	Sept. 11, 2022	7,500	Disposed
Aug. 13, 2018	CLX	Stock Option (Right to Buy)	Common Stock (10,000)	$72.11	Sept. 11, 2022	10,000	Disposed
Nov. 28, 2017	CLX	Stock Option (Right to Buy)	Common Stock (11,400)	$68.15	Sept. 13, 2021	11,400	Disposed
Sept. 12, 2017	CLX	Stock Option (Right to Buy)	Common Stock (15,560)	$135.57	Sept. 12, 2027	15,560	Acquired
March 9, 2017	CLX	Stock Option (Right to Buy)	Common Stock (7,500)	$68.15	Sept. 13, 2021	7,500	Disposed
Sept. 13, 2016	CLX	Stock Option (Right to Buy)	Common Stock (16,380)	$123.09	Sept. 13, 2026	16,380	Acquired
Sept. 15, 2015	CLX	Stock Option (Right to Buy)	Common Stock (17,110)	$111.60	Sept. 15, 2025	17,110	Acquired
March 2, 2015	CLX	Stock Option (Right to Buy)	Common Stock (15,385)	$66.48	Sept. 14, 2020	15,385	Disposed
Feb. 24, 2015	CLX	Stock Option (Right to Buy)	Common Stock (3,084)	$63.95	Sept. 16, 2018	3,084	Disposed
Feb. 24, 2015	CLX	Stock Option (Right to Buy)	Common Stock (3,895)	$66.48	Sept. 14, 2020	3,895	Disposed
Feb. 18, 2015	CLX	Stock Option (Right to Buy)	Common Stock (11,296)	$63.95	Sept. 16, 2018	11,296	Disposed
Feb. 13, 2015	CLX	Stock Option (Right to Buy)	Common Stock (2,670)	$61.51	Sept. 19, 2016	2,670	Disposed
Feb. 13, 2015	CLX	Stock Option (Right to Buy)	Common Stock (4,060)	$61.16	Sept. 18, 2017	4,060	Disposed
Nov. 13, 2014	CLX	Stock Option (Right to Buy)	Common Stock (17,460)	$57.25	Sept. 15, 2019	17,460	Disposed
Sept. 17, 2014	CLX	Stock Option (Right to Buy)	Common Stock (20,830)	$89.82	Sept. 17, 2024	20,830	Acquired
Nov. 14, 2013	CLX	Stock Option (Right to Buy)	Common Stock (1,720)	$57.00	Sept. 21, 2015	1,720	Disposed
Sept. 17, 2013	CLX	Stock Option (Right to Buy)	Common Stock (17,930)	$84.45	Sept. 17, 2023	17,930	Acquired
May 24, 2013	CLX	Stock Option (Right to Buy)	Common Stock (1,500)	$52.70	Sept. 28, 2014	1,500	Disposed
Sept. 11, 2012	CLX	Stock Option (Right to Buy)	Common Stock (25,140)	$72.11	Sept. 11, 2022	25,140	Acquired
Sept. 13, 2011	CLX	Stock Option (Right to Buy)	Common Stock (18,900)	$68.15	Sept. 13, 2021	18,900	Acquired

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

Initial ownership (Form 3) 9 holdings

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

Date	Ticker	Security	Shares	Ownership
March 11, 2011	CLX	Common Stock	6,929	Direct
March 11, 2011	CLX	Common Stock	1,139	Indirect
March 11, 2011	CLX	Stock Option (Right to Buy)→ Common Stock (1,500)	1,500	Direct
March 11, 2011	CLX	Stock Option (Right to Buy)→ Common Stock (1,720)	1,720	Direct
March 11, 2011	CLX	Stock Option (Right to Buy)→ Common Stock (17,460)	17,460	Direct
March 11, 2011	CLX	Stock Option (Right to Buy)→ Common Stock (4,060)	4,060	Direct
March 11, 2011	CLX	Stock Option (Right to Buy)→ Common Stock (2,670)	2,670	Direct
March 11, 2011	CLX	Stock Option (Right to Buy)→ Common Stock (14,380)	14,380	Direct
March 11, 2011	CLX	Stock Option (Right to Buy)→ Common Stock (19,280)	19,280	Direct