Sandra Beach Lin

CIK 1220571 · View on SEC EDGAR ↗

Insider

First SEC filing: July 2, 2025 · Latest: July 2, 2025

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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

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 98 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

98 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 30, 2026	AVNT	A	1,049	—	—	12,173 Direct	+9.43%	Acquired	(price as of 2026-08-20)
June 30, 2026	AEP	A	0	$136.81	—	19,772 Direct	0.00%	Acquired	-7.1% (price as of 2026-08-20)
March 31, 2026	AVNT	A	1,072	—	—	11,124 Direct	+10.66%	Acquired	(price as of 2026-08-20)
Dec. 31, 2025	AVNT	A	1,239	—	—	10,052 Direct	+14.06%	Acquired	(price as of 2026-08-20)
Sept. 30, 2025	AVNT	A	1,192	—	—	8,813 Direct	+15.64%	Acquired	(price as of 2026-08-20)
June 30, 2025	AVNT	A	1,187	—	—	7,621 Direct	+18.45%	Acquired	(price as of 2026-08-20)
June 30, 2025	AEP	A	410	$103.76	$42,542	17,835 Direct	+2.35%	Acquired	22.5% (price as of 2026-08-20)
March 31, 2025	AVNT	A	1,055	—	—	6,434 Direct	+19.61%	Acquired	(price as of 2026-08-20)
Dec. 31, 2024	AEP	A	461	$92.23	$42,518	16,767 Direct	+2.83%	Acquired	37.8% (price as of 2026-08-20)
Dec. 31, 2024	AVNT	A	955	—	—	5,379 Direct	+21.59%	Acquired	(price as of 2026-08-20)
Sept. 30, 2024	AEP	A	414	$102.60	$42,476	16,132 Direct	+2.63%	Acquired	23.9% (price as of 2026-08-20)
Sept. 30, 2024	AVNT	A	775	—	—	4,424 Direct	+21.24%	Acquired	(price as of 2026-08-20)
June 30, 2024	AEP	A	484	$87.74	$42,466	15,635 Direct	+3.19%	Acquired	44.9% (price as of 2026-08-20)
June 28, 2024	AVNT	A	806	—	—	3,649 Direct	+28.35%	Acquired	(price as of 2026-08-20)
March 31, 2024	AEP	A	494	$86.10	$42,533	14,990 Direct	+3.41%	Acquired	47.7% (price as of 2026-08-20)
March 29, 2024	AVNT	A	808	—	—	2,843 Direct	+39.71%	Acquired	(price as of 2026-08-20)
Dec. 31, 2023	AEP	A	523	$81.22	$42,478	14,355 Direct	+3.78%	Acquired	56.5% (price as of 2026-08-20)
Dec. 29, 2023	AVNT	A	834	—	—	44,083 Indirect	+1.93%	Acquired	(price as of 2026-08-20)
Sept. 30, 2023	AEP	A	565	$75.22	$42,499	13,689 Direct	+4.31%	Acquired	69.0% (price as of 2026-08-20)
Sept. 29, 2023	AVNT	A	984	—	—	42,940 Indirect	+2.35%	Acquired	(price as of 2026-08-20)
June 30, 2023	AVNT	A	863	—	—	41,705 Indirect	+2.11%	Acquired	(price as of 2026-08-20)
March 31, 2023	AEP	A	467	$90.99	$42,492	12,325 Direct	+3.94%	Acquired	39.7% (price as of 2026-08-20)
March 31, 2023	AVNT	A	857	—	—	40,595 Indirect	+2.16%	Acquired	(price as of 2026-08-20)
Dec. 31, 2022	AEP	A	429	$94.95	$40,734	11,742 Direct	+3.79%	Acquired	33.9% (price as of 2026-08-20)
Dec. 31, 2022	AVNT	A	1,040	—	—	39,486 Indirect	+2.71%	Acquired	(price as of 2026-08-20)
Sept. 30, 2022	AVNT	A	1,139	—	—	38,175 Indirect	+3.08%	Acquired	(price as of 2026-08-20)
June 30, 2022	AEP	A	425	$95.94	$40,774	10,885 Direct	+4.06%	Acquired	32.5% (price as of 2026-08-20)
June 30, 2022	AVNT	A	880	—	—	36,821 Indirect	+2.45%	Acquired	(price as of 2026-08-20)
March 31, 2022	AEP	A	408	$99.77	$40,706	10,156 Direct	+4.19%	Acquired	27.4% (price as of 2026-08-20)
March 31, 2022	AVNT	A	717	—	—	35,759 Indirect	+2.05%	Acquired	(price as of 2026-08-20)
Dec. 31, 2021	AEP	A	458	$88.97	$40,748	9,680 Direct	+4.97%	Acquired	42.9% (price as of 2026-08-20)
Dec. 31, 2021	AVNT	A	627	—	—	34,897 Indirect	+1.83%	Acquired	(price as of 2026-08-20)
Sept. 30, 2021	AEP	A	502	$81.18	$40,752	9,150 Direct	+5.80%	Acquired	56.6% (price as of 2026-08-20)
Sept. 30, 2021	AVNT	A	744	—	—	34,126 Indirect	+2.23%	Acquired	(price as of 2026-08-20)
June 30, 2021	AVNT	A	669	—	—	33,234 Indirect	+2.05%	Acquired	(price as of 2026-08-20)
June 30, 2021	AEP	A	482	$84.59	$40,772	8,571 Direct	+5.96%	Acquired	50.3% (price as of 2026-08-20)
March 31, 2021	AEP	A	481	$84.70	$40,741	8,021 Direct	+6.38%	Acquired	50.1% (price as of 2026-08-20)
March 31, 2021	AVNT	A	682	—	—	32,427 Indirect	+2.15%	Acquired	(price as of 2026-08-20)
Dec. 31, 2020	AEP	A	489	$83.27	$40,719	7,480 Direct	+6.99%	Acquired	52.7% (price as of 2026-08-20)
Dec. 31, 2020	AVNT	A	804	—	—	31,599 Indirect	+2.61%	Acquired	(price as of 2026-08-20)
Sept. 30, 2020	AEP	A	499	$81.73	$40,783	6,931 Direct	+7.76%	Acquired	55.6% (price as of 2026-08-20)
Sept. 30, 2020	AVNT	A	1,202	—	—	30,612 Indirect	+4.09%	Acquired	(price as of 2026-08-20)
June 30, 2020	AEP	A	512	$79.64	$40,776	6,380 Direct	+8.73%	Acquired	59.6% (price as of 2026-08-20)
June 30, 2020	AVNT	A	1,250	—	—	29,188 Indirect	+4.47%	Acquired	(price as of 2026-08-20)
March 31, 2020	AEP	A	510	$79.98	$40,790	5,821 Direct	+9.60%	Acquired	59.0% (price as of 2026-08-20)
March 31, 2020	AVNT	A	1,705	—	—	27,676 Indirect	+6.57%	Acquired	(price as of 2026-08-20)
Dec. 31, 2019	AEP	A	417	$94.51	$39,411	5,256 Direct	+8.62%	Acquired	34.5% (price as of 2026-08-20)
Dec. 31, 2019	AVNT	A	879	—	—	25,828 Indirect	+3.52%	Acquired	(price as of 2026-08-20)
Sept. 30, 2019	AEP	A	420	$93.96	$39,463	4,806 Direct	+9.58%	Acquired	35.3% (price as of 2026-08-20)
Sept. 30, 2019	AVNT	A	1,001	—	—	24,803 Indirect	+4.21%	Acquired	(price as of 2026-08-20)
June 30, 2019	AVNT	A	1,055	—	—	23,657 Indirect	+4.67%	Acquired	(price as of 2026-08-20)
June 30, 2019	AEP	A	447	$88.01	$39,340	4,581 Direct	+10.81%	Acquired	44.5% (price as of 2026-08-20)
March 31, 2019	AVNT	A	1,108	—	—	22,466 Indirect	+5.19%	Acquired	(price as of 2026-08-20)
March 31, 2019	AEP	A	470	$83.75	$39,362	3,884 Direct	+13.77%	Acquired	51.8% (price as of 2026-08-20)
Feb. 16, 2019	WCC	M	2,710	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 16, 2019	WCC	F	17	$55.67	$946	15,312 Direct	-0.11%	Disposed	506.8% (price as of 2026-08-20)
Feb. 16, 2019	WCC	M	2,710	—	—	15,329 Direct	+21.48%	Acquired	(price as of 2026-08-20)
Feb. 13, 2019	WCC	A	2,379	—	—	2,379 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 13, 2019	WCC	M	2,070	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 13, 2019	WCC	F	13	$54.64	$710	12,619 Direct	-0.10%	Disposed	518.2% (price as of 2026-08-20)
Feb. 13, 2019	WCC	M	2,070	—	—	12,632 Direct	+19.60%	Acquired	(price as of 2026-08-20)
Dec. 31, 2018	AVNT	A	1,149	—	—	21,224 Indirect	+5.72%	Acquired	(price as of 2026-08-20)
Dec. 31, 2018	AEP	A	527	$74.74	$39,388	3,392 Direct	+18.39%	Acquired	70.1% (price as of 2026-08-20)
Sept. 30, 2018	AEP	A	556	$70.88	$39,409	2,843 Direct	+24.31%	Acquired	79.4% (price as of 2026-08-20)
Sept. 30, 2018	AVNT	A	745	—	—	19,996 Indirect	+3.87%	Acquired	(price as of 2026-08-20)
June 30, 2018	AEP	A	569	$69.25	$39,403	2,270 Direct	+33.45%	Acquired	83.6% (price as of 2026-08-20)
June 30, 2018	AVNT	A	660	—	—	19,179 Indirect	+3.56%	Acquired	(price as of 2026-08-20)
May 14, 2018	WCC	S	671	$60.14	$40,354	10,562 Direct	-5.97%	Disposed	461.7% (price as of 2026-08-20)
May 11, 2018	WCC	M	2,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 11, 2018	WCC	F	4	$60.45	$242	11,233 Direct	-0.04%	Disposed	458.8% (price as of 2026-08-20)
May 11, 2018	WCC	D	1,325	$60.45	$80,096	11,237 Direct	-10.55%	Disposed	458.8% (price as of 2026-08-20)
May 11, 2018	WCC	M	2,000	$40.04	$80,080	12,562 Direct	+18.94%	Acquired	743.7% (price as of 2026-08-20)
March 31, 2018	AVNT	A	677	—	—	18,447 Indirect	+3.81%	Acquired	(price as of 2026-08-20)
March 31, 2018	AEP	A	574	$68.59	$39,371	1,686 Direct	+51.62%	Acquired	85.4% (price as of 2026-08-20)
Feb. 17, 2018	WCC	M	1,438	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 17, 2018	WCC	F	9	$64.05	$576	10,562 Direct	-0.09%	Disposed	427.4% (price as of 2026-08-20)
Feb. 17, 2018	WCC	M	1,438	—	—	10,571 Direct	+15.75%	Acquired	(price as of 2026-08-20)
Feb. 13, 2018	WCC	A	2,070	—	—	2,070 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 31, 2017	AEP	A	535	$73.57	$39,360	1,100 Direct	+94.69%	Acquired	72.8% (price as of 2026-08-20)
Dec. 31, 2017	AVNT	A	656	—	—	17,705 Indirect	+3.85%	Acquired	(price as of 2026-08-20)
Sept. 30, 2017	AEP	A	561	$70.24	$39,405	561 Direct	—	Acquired	81.0% (price as of 2026-08-20)
Sept. 30, 2017	AVNT	A	714	—	—	16,996 Indirect	+4.39%	Acquired	(price as of 2026-08-20)
June 30, 2017	AEP	A	567	—	—	14,896 Direct	+3.96%	Acquired	(price as of 2026-08-20)
June 30, 2017	AVNT	A	740	—	—	16,228 Indirect	+4.78%	Acquired	(price as of 2026-08-20)
March 31, 2017	AVNT	A	842	—	—	15,430 Indirect	+5.77%	Acquired	(price as of 2026-08-20)
March 31, 2017	AEP	A	587	—	—	14,213 Direct	+4.31%	Acquired	(price as of 2026-08-20)
Feb. 18, 2017	WCC	M	1,172	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 18, 2017	WCC	M	1,172	—	—	9,133 Direct	+14.72%	Acquired	(price as of 2026-08-20)
Feb. 16, 2017	WCC	A	1,689	—	—	1,689 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 10, 2017	WCC	S	1,731	$70.49	$122,018	7,961 Direct	-17.86%	Disposed	379.2% (price as of 2026-08-20)
Feb. 9, 2017	WCC	M	4,000	—	—	2,000 Direct	-66.67%	Disposed	(price as of 2026-08-20)
Feb. 9, 2017	WCC	D	2,269	$70.60	$160,191	9,692 Direct	-18.97%	Disposed	378.5% (price as of 2026-08-20)
Feb. 9, 2017	WCC	M	4,000	$40.04	$160,160	11,961 Direct	+50.24%	Acquired	743.7% (price as of 2026-08-20)
Dec. 31, 2016	AEP	A	625	—	—	13,504 Direct	+4.85%	Acquired	(price as of 2026-08-20)
Dec. 31, 2016	AVNT	A	890	—	—	14,533 Indirect	+6.52%	Acquired	(price as of 2026-08-20)
Sept. 30, 2016	AEP	A	613	—	—	12,755 Direct	+5.05%	Acquired	(price as of 2026-08-20)
Sept. 30, 2016	AVNT	A	814	—	—	13,598 Indirect	+6.37%	Acquired	(price as of 2026-08-20)
June 30, 2016	AVNT	A	786	—	—	12,745 Indirect	+6.57%	Acquired	(price as of 2026-08-20)
June 30, 2016	AEP	A	562	—	—	12,036 Direct	+4.90%	Acquired	(price as of 2026-08-20)
March 31, 2016	AEP	A	593	—	—	11,379 Direct	+5.50%	Acquired	(price as of 2026-08-20)

Showing latest 100 of 188 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
June 30, 2026	AEP	Phantom Stock Units [F1]	Common Stock	$0.00	—	0	Acquired
June 30, 2025	AEP	Phantom Stock Units [F1]	Common Stock	$0.00	—	410	Acquired
Dec. 31, 2024	AEP	Phantom Stock Units [F1]	Common Stock (461)	$0.00	—	461	Acquired
Sept. 30, 2024	AEP	Phantom Stock Units [F1]	Common Stock (414)	$0.00	—	414	Acquired
June 30, 2024	AEP	Phantom Stock Units [F1]	Common Stock (484)	$0.00	—	484	Acquired
March 31, 2024	AEP	Phantom Stock Units [F1]	Common Stock (494)	$0.00	—	494	Acquired
Dec. 31, 2023	AEP	Phantom Stock Units [F1]	Common Stock (523)	$0.00	—	523	Acquired
Sept. 30, 2023	AEP	Phantom Stock Units [F1]	Common Stock (565)	$0.00	—	565	Acquired
March 31, 2023	AEP	Phantom Stock Units [F1]	Common Stock (467)	$0.00	—	467	Acquired
Dec. 31, 2022	AEP	Phantom Stock Units [F1]	Common Stock (429)	$0.00	—	429	Acquired
June 30, 2022	AEP	Phantom Stock Units [F1]	Common Stock (425)	$0.00	—	425	Acquired
March 31, 2022	AEP	Phantom Stock Units [F1]	Common Stock (408)	$0.00	—	408	Acquired
Dec. 31, 2021	AEP	Phantom Stock Units [F1]	Common Stock (458)	$0.00	—	458	Acquired
Sept. 30, 2021	AEP	Phantom Stock Units [F1]	Common Stock (502)	$0.00	—	502	Acquired
June 30, 2021	AEP	Phantom Stock Units [F1]	Common Stock (482)	$0.00	—	482	Acquired
March 31, 2021	AEP	Phantom Stock Units [F1]	Common Stock (481)	$0.00	—	481	Acquired
Dec. 31, 2020	AEP	Phantom Stock Units [F1]	Common Stock (489)	$0.00	—	489	Acquired
Sept. 30, 2020	AEP	Phantom Stock Units [F1]	Common Stock (499)	$0.00	—	499	Acquired
June 30, 2020	AEP	Phantom Stock Units [F1]	Common Stock (512)	$0.00	—	512	Acquired
March 31, 2020	AEP	Phantom Stock Units [F1]	Common Stock (510)	$0.00	—	510	Acquired
Dec. 31, 2019	AEP	Phantom Stock Units [F1]	Common Stock (417)	$0.00	—	417	Acquired
Sept. 30, 2019	AEP	Phantom Stock Units [F1]	Common Stock (420)	$0.00	—	420	Acquired
June 30, 2019	AEP	Phantom Stock Units [F1]	Common Stock (447)	$0.00	—	447	Acquired
March 31, 2019	AEP	Phantom Stock Units [F1]	Common Stock (470)	$0.00	—	470	Acquired
Feb. 16, 2019	WCC	Restricted Stock Units	Common Stock (2,710)	—	—	2,710	Disposed
Feb. 13, 2019	WCC	Restricted Stock Units	Common Stock (2,379)	—	—	2,379	Acquired
Feb. 13, 2019	WCC	Restricted Stock Units	Common Stock (2,070)	—	—	2,070	Disposed
Dec. 31, 2018	AEP	Phantom Stock Units [F1]	Common Stock (527)	$0.00	—	527	Acquired
Sept. 30, 2018	AEP	Phantom Stock Units [F1]	Common Stock (556)	$0.00	—	556	Acquired
June 30, 2018	AEP	Phantom Stock Units [F1]	Common Stock (569)	$0.00	—	569	Acquired
May 11, 2018	WCC	Stock Appreciaion Right	Common Stock (2,000)	$40.04	July 1, 2018	2,000	Disposed
March 31, 2018	AEP	Phantom Stock Units [F1]	Common Stock (574)	$0.00	—	574	Acquired
Feb. 17, 2018	WCC	Restricted Stock Units	Common Stock (1,438)	—	—	1,438	Disposed
Feb. 13, 2018	WCC	Restricted Stock Units	Common Stock (2,070)	—	—	2,070	Acquired
Dec. 31, 2017	AEP	Phantom Stock Units [F1]	Common Stock (535)	$0.00	—	535	Acquired
Sept. 30, 2017	AEP	Phantom Stock Units [F1]	Common Stock (561)	$0.00	—	561	Acquired
June 30, 2017	AEP	Phantom Stock Units [F1]	Common Stock (567)	—	—	567	Acquired
March 31, 2017	AEP	Phantom Stock Units [F1]	Common Stock (587)	—	—	587	Acquired
Feb. 18, 2017	WCC	Restricted Stock Units	Common Stock (1,172)	—	—	1,172	Disposed
Feb. 16, 2017	WCC	Restricted Stock Units	Common Stock (1,689)	—	—	1,689	Acquired
Feb. 9, 2017	WCC	Stock Appreciaion Right	Common Stock (4,000)	$40.04	July 1, 2018	4,000	Disposed
Dec. 31, 2016	AEP	Phantom Stock Units [F1]	Common Stock (625)	—	—	625	Acquired
Sept. 30, 2016	AEP	Phantom Stock Units [F1]	Common Stock (613)	—	—	613	Acquired
June 30, 2016	AEP	Phantom Stock Units [F1]	Common Stock (562)	—	—	562	Acquired
March 31, 2016	AEP	Phantom Stock Units [F1]	Common Stock (593)	—	—	593	Acquired
Feb. 21, 2016	WCC	Restricted Stock Units	Common Stock (1,317)	—	—	1,317	Disposed
Feb. 16, 2016	WCC	Restricted Stock Units	Common Stock (2,710)	—	—	2,710	Acquired
Dec. 31, 2015	AEP	Phantom Stock Units [F1]	Common Stock (676)	—	—	676	Acquired
Sept. 30, 2015	AEP	Phantom Stock Units [F1]	Common Stock (660)	—	—	660	Acquired
June 30, 2015	AEP	Phantom Stock Unit [F1]	Common Stock (708)	—	—	708	Acquired
March 31, 2015	AEP	Phantom Stock Unit [F1]	Common Stock (667)	—	—	667	Acquired
Feb. 17, 2015	WCC	Restricted Stock Units	Common Stock (1,438)	—	—	1,438	Acquired
Feb. 16, 2015	WCC	Restricted Stock Units	Common Stock (1,321)	—	—	1,321	Disposed
Dec. 31, 2014	AEP	Phantom Stock Unit [F1]	Common Stock (618)	—	—	618	Acquired
Sept. 30, 2014	AEP	Phantom Stock Unit [F1]	Common Stock (694)	—	—	694	Acquired
June 30, 2014	AEP	Phantom Stock Unit [F1]	Common Stock (671)	—	—	671	Acquired
March 31, 2014	AEP	Phantom Stock Unit [F1]	Common Stock (716)	—	—	716	Acquired
Feb. 24, 2014	WCC	Stock Appreciaion Right	Common Stock (3,500)	$60.45	July 1, 2017	3,500	Disposed
Feb. 24, 2014	WCC	Stock Appreciaion Right	Common Stock (2,500)	$69.00	July 1, 2016	2,500	Disposed
Feb. 18, 2014	WCC	Restricted Stock Units	Common Stock (1,172)	—	—	1,172	Acquired
Feb. 16, 2014	WCC	Restricted Stock Units	Common Stock (1,415)	—	—	1,415	Disposed
Dec. 31, 2013	AEP	Phantom Stock Unit [F1]	Common Stock (776)	—	—	776	Acquired
Sept. 30, 2013	AEP	Phantom Stock Unit [F1]	Common Stock (796)	—	—	796	Acquired
July 1, 2013	WCC	Restricted Stock Units	Common Stock (514)	—	—	514	Disposed
June 30, 2013	AEP	Phantom Stock Unit [F1]	Common Stock (770)	—	—	770	Acquired
March 31, 2013	AEP	Phantom Stock Unit [F1]	Common Stock (709)	—	—	709	Acquired
March 11, 2013	WCC	Stock Appreciaion Right	Common Stock (2,034)	$25.37	July 1, 2019	2,034	Disposed
Feb. 21, 2013	WCC	Restricted Stock Units	Common Stock (1,317)	—	—	1,317	Acquired
Dec. 31, 2012	AEP	Phantom Stock Unit [F1]	Common Stock (808)	—	—	808	Acquired
Dec. 20, 2012	WCC	Deferred Share Units [F1]	Common Stock (838)	—	—	838	Acquired
Sept. 30, 2012	AEP	Phantom Stock Unit [F1]	Common Stock (751)	—	—	751	Acquired
July 1, 2012	WCC	Restricted Stock Units	Common Stock (675)	—	—	675	Disposed
Feb. 16, 2012	WCC	Restricted Stock Units	Common Stock (1,321)	—	—	1,321	Acquired
Feb. 22, 2011	WCC	Option to Purchase WESCO International, Inc. Common Stock	WESCO International, Inc. Common Stock (5,000)	$17.90	July 1, 2014	5,000	Disposed
Feb. 18, 2011	WCC	Stock Appreciation Rights	WESCO International, Inc. Common Stock (5,000)	$31.65	July 1, 2015	5,000	Disposed
Feb. 16, 2011	WCC	Restricted Stock Units	Common Stock (1,415)	—	—	1,415	Acquired
July 1, 2010	WCC	Restricted Stock Units	Common Stock (514)	—	—	514	Acquired
July 1, 2010	WCC	Stock Appreciation Rights	Common Stock (4,642)	$33.05	July 1, 2020	4,642	Acquired
July 1, 2009	WCC	Restricted Stock Units	Common Stock (675)	—	—	675	Acquired
July 1, 2009	WCC	Stock Appreciation Rights	Common Stock (6,100)	$25.37	July 1, 2019	6,100	Acquired
July 1, 2008	WCC	Stock Appreciation Right	Common Stock (6,000)	$40.04	July 1, 2018	6,000	Acquired
Dec. 31, 2007	WCC	WESCO International Common Stock [F1]	Common Stock (643)	$58.32	—	643	Acquired
July 1, 2007	WCC	Stock Appreciation Rights for WESCO International, Inc.	Common Stock (3,500)	$60.45	July 1, 2017	3,500	Acquired
March 16, 2007	WCC	Option for WESCO International Common Stock	Common Stock (5,000)	$6.75	July 1, 2013	5,000	Disposed
March 16, 2007	WCC	Option for WESCO International Common Stock	Common Stock (5,000)	$6.75	July 1, 2013	5,000	Disposed
Dec. 31, 2006	WCC	WESCO International Common Stock [F1]	Common Stock (1,143)	$43.76	—	1,143	Acquired
Dec. 7, 2006	AVY	Employee Stock Option (Right to Buy)	Common Stock (25,318)	$67.80	Dec. 7, 2016	25,318	Acquired
July 1, 2006	WCC	Stock Appreciation Right	WESCO International Common Stock (2,500)	$69.00	July 1, 2016	2,500	Acquired
Dec. 31, 2005	WCC	WESCO INTERNATIONAL COMMON STOCK [F1]	WESCO COMMON STOCK (822)	$30.40	—	822	Acquired
Dec. 31, 2005	WCC	WESCO INTERNATIONAL COMMON STOCK [F1]	WESCO COMMON STOCK (1,645)	$30.40	—	1,645	Acquired
Dec. 1, 2005	AVY	Employee Stock Option (Right to Buy)	Common Stock (32,967)	$59.46	Dec. 1, 2015	32,967	Acquired
July 1, 2005	WCC	OPTION FOR WESCO INTERNATIONAL COMMON STOCK	WESCO INTERNATIONAL COMMON STOCK (5,000)	$31.65	July 1, 2015	5,000	Acquired
April 4, 2005	AVY	Employee Stock Option (Right to Buy)	Common Stock (25,000)	$61.43	April 4, 2015	25,000	Acquired
April 4, 2005	AVY	Employee Stock Option (Right to Buy)	Common Stock (25,000)	$61.43	April 4, 2015	25,000	Acquired
Dec. 31, 2004	WCC	WESCO COMMON STOCK	WESCO COMMON STOCK (1,665)	$9.01	—	1,665	Acquired
July 1, 2004	WCC	WESCO COMMON STOCK	WESCO COMMON STOCK (5,000)	$17.90	July 1, 2014	5,000	Acquired
July 1, 2004	WCC	WESCO COMMON STOCK	WESCO COMMON STOCK (5,000)	$17.90	July 1, 2014	5,000	Acquired

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

Initial ownership (Form 3) 1 holding

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

Date	Ticker	Security	Shares	Ownership
April 5, 2005	AVY	Employee Stock Option (Right to Buy)→ Common Stock (25,000)	25,000	Direct