Stephen A Van Oss

Insider

First SEC filing: March 21, 2011 · Latest: March 21, 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.
Compensation Executive pay disclosed in company proxy statements.

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 76 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

76 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 14, 2026	CPS	A	3,937	—	—	3,937 Direct	—	Acquired	(price as of 2026-08-20)
May 15, 2025	CPS	A	7,527	—	—	7,527 Direct	—	Acquired	(price as of 2026-08-20)
May 16, 2024	CPS	A	7,693	—	—	7,693 Direct	—	Acquired	(price as of 2026-08-20)
May 18, 2023	CPS	A	10,092	—	—	10,092 Direct	—	Acquired	(price as of 2026-08-20)
May 19, 2022	CPS	A	19,802	—	—	19,802 Direct	—	Acquired	(price as of 2026-08-20)
March 4, 2022	CPS	P	10,000	$11.09	$110,900	77,846 Direct	+14.74%	Acquired	150.2% (price as of 2026-08-20)
March 3, 2022	CPS	P	10,000	$12.21	$122,100	67,846 Direct	+17.29%	Acquired	127.3% (price as of 2026-08-20)
March 2, 2022	CPS	P	19,400	$12.61	$244,634	57,246 Direct	+51.26%	Acquired	120.1% (price as of 2026-08-20)
March 2, 2022	CPS	P	600	$13.03	$7,818	57,846 Direct	+1.05%	Acquired	113.0% (price as of 2026-08-20)
Aug. 12, 2021	CPS	P	10,000	$23.79	$237,900	37,846 Direct	+35.91%	Acquired	16.6% (price as of 2026-08-20)
Aug. 11, 2021	CPS	P	7,336	$23.93	$175,550	25,182 Direct	+41.11%	Acquired	16.0% (price as of 2026-08-20)
Aug. 11, 2021	CPS	P	2,664	$24.40	$65,002	27,846 Direct	+10.58%	Acquired	13.7% (price as of 2026-08-20)
May 20, 2021	CPS	A	4,052	—	—	4,052 Direct	—	Acquired	(price as of 2026-08-20)
May 21, 2020	CPS	A	12,699	—	—	12,699 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 2, 2019	CPS	M	9,731	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Aug. 2, 2019	CPS	M	9,731	$25.52	$248,335	17,846 Direct	+119.91%	Acquired	8.7% (price as of 2026-08-20)
May 16, 2019	CPS	A	2,596	—	—	2,596 Direct	—	Acquired	(price as of 2026-08-20)
May 17, 2018	CPS	A	956	—	—	956 Direct	—	Acquired	(price as of 2026-08-20)
May 18, 2017	CPS	A	910	—	—	910 Direct	—	Acquired	(price as of 2026-08-20)
May 19, 2016	CPS	A	1,256	—	—	1,526 Direct	+465.19%	Acquired	(price as of 2026-08-20)
May 19, 2016	CPS	A	1,256	—	—	1,256 Direct	—	Acquired	(price as of 2026-08-20)
May 7, 2015	CPS	A	1,285	—	—	1,285 Direct	—	Acquired	(price as of 2026-08-20)
April 29, 2015	WCC	S	500	$70.84	$35,420	101,445 Direct	-0.49%	Disposed	376.9% (price as of 2026-08-20)
April 29, 2015	WCC	S	21,857	$71.50	$1,562,776	101,945 Direct	-17.65%	Disposed	372.5% (price as of 2026-08-20)
April 28, 2015	WCC	M	75,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
April 28, 2015	WCC	F	19,115	$70.80	$1,353,342	123,802 Direct	-13.37%	Disposed	377.1% (price as of 2026-08-20)
April 28, 2015	WCC	D	33,528	$70.80	$2,373,782	142,917 Direct	-19.00%	Disposed	377.1% (price as of 2026-08-20)
April 28, 2015	WCC	M	75,000	$31.65	$2,373,750	176,445 Direct	+73.93%	Acquired	967.3% (price as of 2026-08-20)
Feb. 17, 2015	WCC	A	4,313	—	—	4,313 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 17, 2015	WCC	A	34,595	—	—	34,595 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 17, 2015	WCC	F	2,231	$69.54	$155,144	101,445 Direct	-2.15%	Disposed	385.8% (price as of 2026-08-20)
Feb. 17, 2015	WCC	A	7,078	—	—	103,676 Direct	+7.33%	Acquired	(price as of 2026-08-20)
Feb. 16, 2015	WCC	M	5,130	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 16, 2015	WCC	F	1,631	$68.20	$111,234	96,598 Direct	-1.66%	Disposed	395.3% (price as of 2026-08-20)
Feb. 16, 2015	WCC	M	5,130	—	—	98,229 Direct	+5.51%	Acquired	(price as of 2026-08-20)
May 8, 2014	CPS	M	1,785	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 8, 2014	CPS	M	1,785	—	—	8,115 Direct	+28.20%	Acquired	(price as of 2026-08-20)
May 8, 2014	CPS	A	1,176	—	—	1,176 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 18, 2014	WCC	A	4,100	—	—	4,100 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 18, 2014	WCC	A	28,539	—	—	28,539 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 16, 2014	WCC	M	4,996	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 16, 2014	WCC	F	2,303	$85.22	$196,262	93,099 Direct	-2.41%	Disposed	296.4% (price as of 2026-08-20)
Feb. 16, 2014	WCC	M	4,996	—	—	95,402 Direct	+5.53%	Acquired	(price as of 2026-08-20)
Feb. 6, 2014	WCC	S	6,500	$81.04	$526,760	90,406 Direct	-6.71%	Disposed	316.8% (price as of 2026-08-20)
Feb. 5, 2014	WCC	S	28,368	$81.10	$2,300,645	96,906 Direct	-22.64%	Disposed	316.5% (price as of 2026-08-20)
Feb. 4, 2014	WCC	M	70,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 4, 2014	WCC	F	20,988	$81.45	$1,709,473	125,274 Direct	-14.35%	Disposed	314.7% (price as of 2026-08-20)
Feb. 4, 2014	WCC	D	20,644	$81.45	$1,681,454	146,262 Direct	-12.37%	Disposed	314.7% (price as of 2026-08-20)
Feb. 4, 2014	WCC	M	70,000	$24.02	$1,681,400	166,906 Direct	+72.23%	Acquired	1306.4% (price as of 2026-08-20)
July 1, 2013	WCC	M	9,077	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
July 1, 2013	WCC	F	2,899	$67.90	$196,842	96,906 Direct	-2.90%	Disposed	397.5% (price as of 2026-08-20)
July 1, 2013	WCC	M	9,077	—	—	99,805 Direct	+10.00%	Acquired	(price as of 2026-08-20)
May 9, 2013	CPS	M	1,922	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 9, 2013	CPS	M	1,922	—	—	6,330 Direct	+43.60%	Acquired	(price as of 2026-08-20)
May 9, 2013	CPS	A	1,785	—	—	1,785 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 21, 2013	WCC	A	4,850	—	—	4,850 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 21, 2013	WCC	A	27,927	—	—	27,927 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 7, 2012	WCC	M	64,930	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Dec. 7, 2012	WCC	S	59,930	$63.92	$3,830,726	90,728 Direct	-39.78%	Disposed	428.5% (price as of 2026-08-20)
Dec. 7, 2012	WCC	S	5,000	$63.60	$318,000	150,658 Direct	-3.21%	Disposed	431.1% (price as of 2026-08-20)
Dec. 7, 2012	WCC	M	64,930	$5.90	$383,087	155,658 Direct	+71.57%	Acquired	5625.6% (price as of 2026-08-20)
Dec. 6, 2012	WCC	M	70	—	—	64,930 Direct	-0.11%	Disposed	(price as of 2026-08-20)
Dec. 6, 2012	WCC	S	70	$63.60	$4,452	90,728 Direct	-0.08%	Disposed	431.1% (price as of 2026-08-20)
Dec. 6, 2012	WCC	M	70	$5.90	$413	90,798 Direct	+0.08%	Acquired	5625.6% (price as of 2026-08-20)
Dec. 5, 2012	WCC	M	5,000	—	—	65,000 Direct	-7.14%	Disposed	(price as of 2026-08-20)
Dec. 5, 2012	WCC	S	5,000	$63.50	$317,500	90,728 Direct	-5.22%	Disposed	432.0% (price as of 2026-08-20)
Dec. 5, 2012	WCC	M	5,000	$5.90	$29,500	95,728 Direct	+5.51%	Acquired	5625.6% (price as of 2026-08-20)
July 1, 2012	WCC	M	11,825	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
July 1, 2012	WCC	F	4,472	$57.55	$257,364	90,728 Direct	-4.70%	Disposed	487.0% (price as of 2026-08-20)
July 1, 2012	WCC	M	11,825	—	—	95,200 Direct	+14.18%	Acquired	(price as of 2026-08-20)
May 9, 2012	CPS	A	1,922	—	—	1,922 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 16, 2012	WCC	A	29,486	—	—	29,486 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 16, 2012	WCC	A	5,130	—	—	5,130 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 16, 2012	WCC	A	29,402	—	—	29,402 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 30, 2011	WCC	M	7,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 30, 2011	WCC	S	7,000	$48.72	$341,040	83,575 Direct	-7.73%	Disposed	593.4% (price as of 2026-08-20)
Nov. 30, 2011	WCC	M	7,000	$4.50	$31,500	90,575 Direct	+8.38%	Acquired	7406.9% (price as of 2026-08-20)
Nov. 11, 2011	WCC	M	10,000	—	—	7,000 Direct	-58.82%	Disposed	(price as of 2026-08-20)
Nov. 11, 2011	WCC	S	10,000	$50.32	$503,200	83,575 Direct	-10.69%	Disposed	571.3% (price as of 2026-08-20)
Nov. 11, 2011	WCC	M	10,000	$4.50	$45,000	93,575 Direct	+11.97%	Acquired	7406.9% (price as of 2026-08-20)
March 30, 2011	WCC	M	17,000	—	—	17,000 Direct	-50.00%	Disposed	(price as of 2026-08-20)
March 30, 2011	WCC	S	17,000	$61.86	$1,051,620	83,575 Direct	-16.90%	Disposed	446.1% (price as of 2026-08-20)
March 30, 2011	WCC	M	17,000	$4.50	$76,500	100,575 Direct	+20.34%	Acquired	7406.9% (price as of 2026-08-20)
Feb. 16, 2011	WCC	A	4,996	—	—	4,996 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 16, 2011	WCC	A	44,610	—	—	44,610 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 22, 2010	WCC	M	3,000	—	—	34,000 Direct	-8.11%	Disposed	(price as of 2026-08-20)
Dec. 22, 2010	WCC	S	3,000	$53.07	$159,210	83,575 Direct	-3.47%	Disposed	536.5% (price as of 2026-08-20)
Dec. 22, 2010	WCC	M	3,000	$4.50	$13,500	86,575 Direct	+3.59%	Acquired	7406.9% (price as of 2026-08-20)
Dec. 17, 2010	WCC	M	8,000	—	—	37,000 Direct	-17.78%	Disposed	(price as of 2026-08-20)
Dec. 17, 2010	WCC	S	8,000	$51.57	$412,560	83,575 Direct	-8.74%	Disposed	555.1% (price as of 2026-08-20)
Dec. 17, 2010	WCC	M	8,000	$4.50	$36,000	91,575 Direct	+9.57%	Acquired	7406.9% (price as of 2026-08-20)
Dec. 10, 2010	WCC	M	5,000	—	—	45,000 Direct	-10.00%	Disposed	(price as of 2026-08-20)
Dec. 10, 2010	WCC	S	5,000	$50.60	$253,000	83,575 Direct	-5.64%	Disposed	567.6% (price as of 2026-08-20)
Dec. 10, 2010	WCC	M	5,000	$4.50	$22,500	88,575 Direct	+5.98%	Acquired	7406.9% (price as of 2026-08-20)
July 1, 2010	WCC	A	9,077	—	—	9,077 Direct	—	Acquired	(price as of 2026-08-20)
July 1, 2010	WCC	A	81,911	—	—	81,911 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 21, 2009	WCC	M	22,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Dec. 21, 2009	WCC	S	5,000	$28.70	$143,500	83,575 Direct	-5.64%	Disposed	1077.0% (price as of 2026-08-20)
Dec. 21, 2009	WCC	S	2,500	$28.73	$71,825	88,575 Direct	-2.74%	Disposed	1075.8% (price as of 2026-08-20)
Dec. 21, 2009	WCC	S	5,000	$28.57	$142,850	91,075 Direct	-5.20%	Disposed	1082.4% (price as of 2026-08-20)

Showing latest 100 of 177 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
May 14, 2026	CPS	Restricted Stock Units [F1]	Common stock (3,937)	—	—	3,937	Acquired
May 15, 2025	CPS	Restricted Stock Units [F1]	Common stock (7,527)	—	—	7,527	Acquired
May 16, 2024	CPS	Restricted Stock Units [F1]	Common stock (7,693)	—	—	7,693	Acquired
May 18, 2023	CPS	Restricted Stock Units [F1]	Common stock (10,092)	—	—	10,092	Acquired
May 19, 2022	CPS	Restricted Stock Units [F1]	Common stock (19,802)	—	—	19,802	Acquired
May 20, 2021	CPS	Restricted Stock Units [F1]	Common stock (4,052)	—	—	4,052	Acquired
May 21, 2020	CPS	Restricted Stock Units [F1]	Common stock (12,699)	—	—	12,699	Acquired
Aug. 2, 2019	CPS	Stock Options [F1]	Common stock (9,731)	$25.52	May 28, 2020	9,731	Disposed
May 16, 2019	CPS	Restricted Stock Units [F1]	Common stock (2,596)	—	—	2,596	Acquired
May 17, 2018	CPS	Restricted Stock Units [F1]	Common stock (956)	—	May 17, 2019	956	Acquired
May 18, 2017	CPS	Restricted Stock Units [F1]	Common stock (910)	—	May 18, 2018	910	Acquired
May 19, 2016	CPS	Restricted Stock Units [F1]	Common stock (1,256)	$85.02	May 19, 2017	1,256	Acquired
May 19, 2016	CPS	Restricted Stock Units [F1]	Restricted Stock Units (1,256)	$85.02	May 19, 2017	1,256	Acquired
May 7, 2015	CPS	Restricted Stock Units [F1]	Common stock (1,285)	$62.26	May 7, 2016	1,285	Acquired
April 28, 2015	WCC	Stock Appreciation Right	Common Stock (75,000)	$31.65	July 1, 2015	75,000	Disposed
Feb. 17, 2015	WCC	Restricted Stock Units	Common Stock (4,313)	—	—	4,313	Acquired
Feb. 17, 2015	WCC	Stock Appreciation Rights	Common Stock (34,595)	$69.54	Feb. 17, 2025	34,595	Acquired
Feb. 16, 2015	WCC	Restricted Stock Units	Common Stock (5,130)	—	—	5,130	Disposed
May 8, 2014	CPS	Restricted Stock Units [F4]	Common stock (1,785)	—	—	1,785	Disposed
May 8, 2014	CPS	Restricted Stock Units [F1]	Common stock (1,176)	—	May 8, 2015	1,176	Acquired
Feb. 18, 2014	WCC	Restricted Stock Units	Common Stock (4,100)	—	—	4,100	Acquired
Feb. 18, 2014	WCC	Stock Appreciation Rights	Common Stock (28,539)	$85.35	Feb. 18, 2024	28,539	Acquired
Feb. 16, 2014	WCC	Restricted Stock Units	Common Stock (4,996)	—	—	4,996	Disposed
Feb. 4, 2014	WCC	Stock Appreciation Right	Common Stock (70,000)	$24.02	Sept. 29, 2014	70,000	Disposed
July 1, 2013	WCC	Restricted Stock Units	Common Stock (9,077)	—	—	9,077	Disposed
May 9, 2013	CPS	Restricted Stock Units [F2]	Common stock (1,922)	—	—	1,922	Disposed
May 9, 2013	CPS	Restricted Stock Units [F1]	Common Stock (1,785)	—	—	1,785	Acquired
Feb. 21, 2013	WCC	Restricted Stock Units	Common Stock (4,850)	—	—	4,850	Acquired
Feb. 21, 2013	WCC	Stock Appreciation Rights	Common Stock (27,927)	$72.15	Feb. 21, 2023	27,927	Acquired
Dec. 7, 2012	WCC	Option for WESCO International Common Stock (Right to Buy)	Common Stock (64,930)	$5.90	Aug. 22, 2013	64,930	Disposed
Dec. 6, 2012	WCC	Option for WESCO International Common Stock (Right to Buy)	Common Stock (70)	$5.90	Aug. 22, 2013	70	Disposed
Dec. 5, 2012	WCC	Option for WESCO International Common Stock (Right to Buy)	Common Stock (5,000)	$5.90	Aug. 22, 2013	5,000	Disposed
July 1, 2012	WCC	Restricted Stock Units	Common Stock (11,825)	—	—	11,825	Disposed
May 9, 2012	CPS	Restricted Stock Units [F1]	Common Stock (1,922)	—	—	1,922	Acquired
Feb. 16, 2012	WCC	Stock Appreciation Rights	Common Stock (29,486)	$64.33	Feb. 16, 2022	29,486	Acquired
Feb. 16, 2012	WCC	Restricted Stock Units	Common Stock (5,130)	—	—	5,130	Acquired
Feb. 16, 2012	WCC	Stock Appreciation Rights	Common Stock (29,402)	$64.33	Feb. 16, 2022	29,402	Acquired
Nov. 30, 2011	WCC	Option for WESCO International Common Stock (Right to Buy)	Common Stock (7,000)	$4.50	Dec. 21, 2011	7,000	Disposed
Nov. 11, 2011	WCC	Option for WESCO International Common Stock (Right to Buy)	Common Stock (10,000)	$4.50	Dec. 21, 2011	10,000	Disposed
March 30, 2011	WCC	Option for WESCO International Common Stock (Right to Buy)	Common Stock (17,000)	$4.50	Dec. 21, 2011	17,000	Disposed
Feb. 16, 2011	WCC	Restricted Stock Units	Common Stock (4,996)	—	—	4,996	Acquired
Feb. 16, 2011	WCC	Stock Appreciation Rights	Common Stock (44,610)	$60.05	Feb. 16, 2021	44,610	Acquired
Dec. 22, 2010	WCC	Option for WESCO International Common Stock (Right to Buy)	Common Stock (3,000)	$4.50	Dec. 21, 2011	3,000	Disposed
Dec. 17, 2010	WCC	Option for WESCO International Common Stock (Right to Buy)	Common Stock (8,000)	$4.50	Dec. 21, 2011	8,000	Disposed
Dec. 10, 2010	WCC	Option to Purchase WESCO International, Inc. Common Stock	Common Stock (5,000)	$4.50	Dec. 21, 2011	5,000	Disposed
July 1, 2010	WCC	Restricted Stock Units	Common Stock (9,077)	—	—	9,077	Acquired
July 1, 2010	WCC	Stock Appreciation Rights	Common Stock (81,911)	$33.05	July 1, 2020	81,911	Acquired
Dec. 21, 2009	WCC	Option to Purchase WESCO International, Inc. Common Stock	Common Stock (22,500)	$9.31	Oct. 23, 2010	22,500	Disposed
Dec. 18, 2009	WCC	Option to Purchase WESCO International, Inc. Common Stock	Common Stock (22,500)	$9.88	May 11, 2010	22,500	Disposed
Dec. 17, 2009	WCC	Option to Purchase WESCO International, Inc. Common Stock	Common Stock (5,000)	$9.88	May 11, 2010	5,000	Disposed
July 1, 2009	WCC	Restricted Stock Units	Common Stock (11,825)	—	—	11,825	Acquired
July 1, 2009	WCC	Stock Appreciation Rights	Common Stock (107,623)	$25.37	July 1, 2019	107,623	Acquired
July 1, 2008	WCC	Stock Appreciation Right	Common Stock (75,000)	$40.04	July 1, 2018	75,000	Acquired
July 1, 2007	WCC	Stock Appreciation Rights for WESCO International, Inc.	Common Stock (45,000)	$60.45	July 1, 2017	45,000	Acquired
July 1, 2006	WCC	Stock Appreciation Right	WESCO International Common Stock (37,500)	$69.00	July 1, 2016	37,500	Acquired
May 4, 2006	WCC	Option for WESCO International Common Stock (right to buy)	Common Stock (13,350)	$10.75	Aug. 6, 2008	13,350	Disposed
May 3, 2006	WCC	Option for WESCO International Common Stock (right to buy)	Common Stock (4,300)	$10.75	Aug. 6, 2008	4,300	Disposed
May 1, 2006	WCC	Option for WESCO International Common Stock	WESCO Common Stock (5,000)	$76.50	Aug. 6, 2008	5,000	Disposed
May 1, 2006	WCC	Option for WESCO International Common Stock	WESCO Common Stock (700)	$76.70	Aug. 6, 2008	700	Disposed
May 1, 2006	WCC	Option for WESCO International Common Stock	WESCO Common Stock (7,200)	$75.50	Aug. 6, 2008	7,200	Disposed
April 28, 2006	WCC	Option for WESCO International Common Stock	WESCO Common Stock (4,700)	$75.50	Aug. 6, 2008	4,700	Disposed
April 27, 2006	WCC	Option for WESCO International Common Stock	WESCO Common Stock (2,612)	$76.50	Nov. 26, 2007	2,612	Disposed
April 27, 2006	WCC	Option for WESCO International Common Stock	WESCO Common Stock (3,000)	$76.59	Nov. 26, 2007	3,000	Disposed
April 27, 2006	WCC	Option for WESCO International Common Stock	WESCO Common Stock (3,000)	$76.28	Nov. 26, 2007	3,000	Disposed
April 27, 2006	WCC	Option for WESCO International Common Stock	WESCO Common Stock (3,000)	$76.22	Nov. 26, 2007	3,000	Disposed
April 27, 2006	WCC	Option for WESCO International Common Stock	WESCO Common Stock (3,000)	$76.19	Nov. 26, 2007	3,000	Disposed
April 27, 2006	WCC	Option for WESCO International Common Stock	WESCO Common Stock (3,000)	$76.07	Nov. 26, 2007	3,000	Disposed
April 27, 2006	WCC	Option for WESCO International Common Stock	WESCO Common Stock (8,100)	$75.50	Aug. 6, 2008	8,100	Disposed
April 27, 2006	WCC	Option for WESCO International Common Stock	WESCO Common Stock (2,612)	$76.50	Aug. 6, 2008	2,612	Disposed
April 27, 2006	WCC	Option for WESCO International Common Stock	WESCO Common Stock (3,000)	$76.59	Aug. 6, 2008	3,000	Disposed
April 27, 2006	WCC	Option for WESCO International Common Stock	WESCO Common Stock (3,000)	$76.28	Aug. 6, 2008	3,000	Disposed
April 27, 2006	WCC	Option for WESCO International Common Stock	WESCO Common Stock (3,000)	$76.22	Aug. 6, 2008	3,000	Disposed
April 27, 2006	WCC	Option for WESCO International Common Stock	WESCO Common Stock (3,000)	$76.19	Aug. 6, 2008	3,000	Disposed
April 27, 2006	WCC	Option for WESCO International Common Stock	WESCO Common Stock (3,000)	$76.07	Aug. 6, 2008	3,000	Disposed
April 27, 2006	WCC	Option for WESCO International Common Stock	WESCO Common Stock (8,100)	$75.50	Nov. 26, 2007	8,100	Disposed
July 1, 2005	WCC	OPTION FOR WESCO INTERNATIONAL COMMON STOCK	WESCO INTERNATIONAL COMMON STOCK (75,000)	$31.65	July 1, 2015	75,000	Acquired
June 21, 2005	WCC	OPTION FOR WESCO INTERNATIONAL COMMON STOCK	WESCO INTERNATIONAL COMMON STOCK (2,000)	$31.01	Nov. 26, 2007	2,000	Disposed
June 21, 2005	WCC	OPTION FOR WESCO INTERNATIONAL COMMON STOCK	WESCO INTERNATIONAL COMMON STOCK (4,000)	$31.10	Nov. 26, 2007	4,000	Disposed
June 21, 2005	WCC	OPTION FOR WESCO INTERNATIONAL COMMON STOCK	WESCO INTERNATIONAL COMMON STOCK (11,000)	$31.00	Nov. 26, 2007	11,000	Disposed
June 21, 2005	WCC	OPTION FOR WESCO INTERNATIONAL COMMON STOCK	WESCO INTERNATIONAL COMMON STOCK (500)	$31.17	Nov. 26, 2007	500	Disposed
June 21, 2005	WCC	OPTION FOR WESCO INTERNATIONAL COMMON STOCK	WESCO INTERNATIONAL COMMON STOCK (5,000)	$31.16	Nov. 26, 2007	5,000	Disposed
June 21, 2005	WCC	OPTION FOR WESCO INTERNATIONAL COMMON STOCK	WESCO INTERNATIONAL COMMON STOCK (2,500)	$31.18	Nov. 26, 2007	2,500	Disposed
Sept. 29, 2004	WCC	Option for WESCO International Common Stock	WESCO COMMON STOCK (70,000)	$24.02	Sept. 29, 2014	70,000	Acquired
March 17, 2004	WCC	Option for WESCO International Common Stock	WESCO International Common Stock (700)	$4.34	Nov. 26, 2007	700	Disposed
March 17, 2004	WCC	Option for WESCO International Common Stock	WESCO International Common Stock (2,500)	$4.34	Nov. 26, 2007	2,500	Disposed
March 17, 2004	WCC	Option for WESCO International Common Stock	WESCO International Common Stock (100)	$4.34	Nov. 26, 2007	100	Disposed
March 17, 2004	WCC	Option for WESCO International Common Stock	WESCO International Common Stock (3,000)	$4.34	Nov. 26, 2007	3,000	Disposed
March 17, 2004	WCC	Option for WESCO Internationa Common Stock	WESCO International Common Stock (200)	$4.34	Nov. 26, 2007	200	Disposed
March 17, 2004	WCC	Option for WESCO International Common Stock	WESCO International Common Stock (6,700)	$4.34	Nov. 26, 2007	6,700	Disposed
March 16, 2004	WCC	Option for WESCO International Common Stock	WESCO International Common Stock (1,400)	$4.34	Nov. 26, 2007	1,400	Disposed
March 16, 2004	WCC	Option for WESCO International Common Stock	WESCO International Common Stock (600)	$4.34	Nov. 26, 2007	600	Disposed
March 16, 2004	WCC	Option for WESCO International Common Stock	WESCO International Common Stock (1,800)	$4.34	Nov. 26, 2007	1,800	Disposed
March 16, 2004	WCC	Option for WESCO International Common Stock	WESCO International Common Stock (200)	$4.34	Nov. 26, 2007	200	Disposed
March 16, 2004	WCC	Option for WESCO International Common Stock	WESCO International Common Stock (300)	$4.34	Nov. 26, 2007	300	Disposed
Aug. 22, 2003	WCC	Option for WESCO International Common Stock	WESCO International Common Stock (70,000)	$5.90	—	70,000	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
March 21, 2011	CPS	Common share	—	Direct
March 21, 2011	CPS	Stock Options→ Common stock (9,731)	9,731	Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

WCC

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2015	$662,019	—	$740,540	$750,020	—	—	$665,900	$2,818,479
2014	$668,750	—	$883,006	$875,006	$375,000	—	$56,098	$2,857,860
2013	$645,000	—	$919,030	$874,952	$290,250	—	$129,138	$2,858,370

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.