James K Welsh

Insider

First SEC filing: Aug. 23, 2010 · Latest: Aug. 5, 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

WDC selling Aug. 6, 2012

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 43 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

43 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 6, 2012	WDC	M	4,500	$16.85	$75,825	69,959 Direct	+6.87%	Acquired	3497.1% (price as of 2026-08-20)
Aug. 6, 2012	WDC	M	461	$26.17	$12,064	70,420 Direct	+0.66%	Acquired	2216.1% (price as of 2026-08-20)
Aug. 6, 2012	WDC	S	4,961	$41.16	$204,195	65,459 Direct	-7.04%	Disposed	1372.6% (price as of 2026-08-20)
Aug. 6, 2012	WDC	M	4,500	—	—	9,001 Direct	-33.33%	Disposed	(price as of 2026-08-20)
Aug. 6, 2012	WDC	M	461	—	—	27,250 Direct	-1.66%	Disposed	(price as of 2026-08-20)
Aug. 3, 2012	WDC	M	2,133	$23.78	$50,723	67,592 Direct	+3.26%	Acquired	2448.9% (price as of 2026-08-20)
Aug. 3, 2012	WDC	M	2,406	$26.17	$62,965	69,998 Direct	+3.56%	Acquired	2216.1% (price as of 2026-08-20)
Aug. 3, 2012	WDC	M	4,500	$16.85	$75,825	74,498 Direct	+6.43%	Acquired	3497.1% (price as of 2026-08-20)
Aug. 3, 2012	WDC	S	9,039	$40.67	$367,616	65,459 Direct	-12.13%	Disposed	1390.3% (price as of 2026-08-20)
Aug. 3, 2012	WDC	M	4,500	—	—	13,501 Direct	-25.00%	Disposed	(price as of 2026-08-20)
Aug. 3, 2012	WDC	M	2,133	—	—	2,133 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Aug. 3, 2012	WDC	M	2,406	—	—	27,711 Direct	-7.99%	Disposed	(price as of 2026-08-20)
May 16, 2012	WDC	A	17,517	—	—	65,459 Direct	+36.54%	Acquired	(price as of 2026-08-20)
May 16, 2012	WDC	A	41,652	—	—	41,652 Direct	—	Acquired	(price as of 2026-08-20)
March 12, 2012	WDC	M	7,439	$28.09	$208,962	61,905 Direct	+13.66%	Acquired	2057.8% (price as of 2026-08-20)
March 12, 2012	WDC	M	18,072	$26.17	$472,944	79,977 Direct	+29.19%	Acquired	2216.1% (price as of 2026-08-20)
March 12, 2012	WDC	M	5,077	$23.46	$119,106	85,054 Direct	+6.35%	Acquired	2483.6% (price as of 2026-08-20)
March 12, 2012	WDC	M	10,665	$23.78	$253,614	95,719 Direct	+12.54%	Acquired	2448.9% (price as of 2026-08-20)
March 12, 2012	WDC	M	18,002	$16.85	$303,334	113,721 Direct	+18.81%	Acquired	3497.1% (price as of 2026-08-20)
March 12, 2012	WDC	S	65,779	$39.98	$2,629,844	47,942 Direct	-57.84%	Disposed	1416.1% (price as of 2026-08-20)
March 12, 2012	WDC	M	18,002	—	—	18,001 Direct	-50.00%	Disposed	(price as of 2026-08-20)
March 12, 2012	WDC	M	5,077	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 12, 2012	WDC	M	10,665	—	—	4,266 Direct	-71.43%	Disposed	(price as of 2026-08-20)
March 12, 2012	WDC	M	18,072	—	—	30,117 Direct	-37.50%	Disposed	(price as of 2026-08-20)
March 12, 2012	WDC	M	7,439	—	—	2,312 Direct	-76.29%	Disposed	(price as of 2026-08-20)
Sept. 14, 2011	WDC	A	14,418	—	—	54,466 Direct	+36.00%	Acquired	(price as of 2026-08-20)
Sept. 14, 2011	WDC	A	45,432	—	—	45,432 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 11, 2011	WDC	F	5,710	$28.46	$162,507	40,048 Direct	-12.48%	Disposed	2029.7% (price as of 2026-08-20)
Feb. 7, 2011	WDC	M	2,631	$23.46	$61,723	50,645 Direct	+5.48%	Acquired	2483.6% (price as of 2026-08-20)
Feb. 7, 2011	WDC	M	4,266	$23.78	$101,445	54,911 Direct	+8.42%	Acquired	2448.9% (price as of 2026-08-20)
Feb. 7, 2011	WDC	M	4,500	$16.85	$75,825	59,411 Direct	+8.20%	Acquired	3497.1% (price as of 2026-08-20)
Feb. 7, 2011	WDC	S	13,653	$36.44	$497,515	45,758 Direct	-22.98%	Disposed	1563.3% (price as of 2026-08-20)
Feb. 7, 2011	WDC	M	4,500	—	—	36,003 Direct	-11.11%	Disposed	(price as of 2026-08-20)
Feb. 7, 2011	WDC	M	2,631	—	—	5,077 Direct	-34.13%	Disposed	(price as of 2026-08-20)
Feb. 7, 2011	WDC	M	4,266	—	—	14,931 Direct	-22.22%	Disposed	(price as of 2026-08-20)
Feb. 6, 2011	WDC	F	1,306	$36.21	$47,290	48,014 Direct	-2.65%	Disposed	1573.9% (price as of 2026-08-20)
Dec. 1, 2010	WDC	S	595	$34.32	$20,420	49,320 Direct	-1.19%	Disposed	1666.1% (price as of 2026-08-20)
Nov. 8, 2010	WDC	M	947	$19.40	$18,372	55,476 Direct	+1.74%	Acquired	3024.3% (price as of 2026-08-20)
Nov. 8, 2010	WDC	M	4,500	$16.85	$75,825	59,976 Direct	+8.11%	Acquired	3497.1% (price as of 2026-08-20)
Nov. 8, 2010	WDC	S	10,656	$34.70	$369,763	49,320 Direct	-17.77%	Disposed	1646.7% (price as of 2026-08-20)
Nov. 8, 2010	WDC	M	4,500	—	—	40,503 Direct	-10.00%	Disposed	(price as of 2026-08-20)
Nov. 8, 2010	WDC	M	947	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Sept. 12, 2010	WDC	F	4,560	$25.65	$116,964	54,529 Direct	-7.72%	Disposed	2263.0% (price as of 2026-08-20)
Sept. 8, 2010	WDC	A	16,141	—	—	59,089 Direct	+37.58%	Acquired	(price as of 2026-08-20)
Sept. 8, 2010	WDC	A	48,189	—	—	48,189 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 16, 2010	WDC	M	947	$19.40	$18,372	43,895 Direct	+2.20%	Acquired	3024.3% (price as of 2026-08-20)
Aug. 16, 2010	WDC	M	4,501	$16.85	$75,842	48,396 Direct	+10.25%	Acquired	3497.1% (price as of 2026-08-20)
Aug. 16, 2010	WDC	S	5,448	$24.78	$135,001	42,948 Direct	-11.26%	Disposed	2346.0% (price as of 2026-08-20)
Aug. 16, 2010	WDC	M	4,501	—	—	45,003 Direct	-9.09%	Disposed	(price as of 2026-08-20)
Aug. 16, 2010	WDC	M	947	—	—	947 Direct	-50.00%	Disposed	(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
Aug. 6, 2012	WDC	Employee Stock Option (right to buy)	Common Stock (4,500)	$16.85	Feb. 4, 2016	4,500	Disposed
Aug. 6, 2012	WDC	Employee Stock Option (right to buy)	Common Stock (461)	$26.17	Sept. 8, 2017	461	Disposed
Aug. 3, 2012	WDC	Employee Stock Option (right to buy)	Common Stock (4,500)	$16.85	Feb. 4, 2016	4,500	Disposed
Aug. 3, 2012	WDC	Employee Stock Option (right to buy)	Common Stock (2,133)	$23.78	Sept. 11, 2015	2,133	Disposed
Aug. 3, 2012	WDC	Employee Stock Option (right to buy)	Common Stock (2,406)	$26.17	Sept. 8, 2017	2,406	Disposed
May 16, 2012	WDC	Employee Stock Option (right to buy)	Common Stock (41,652)	$38.63	May 16, 2019	41,652	Acquired
March 12, 2012	WDC	Employee Stock Option (right to buy)	Common Stock (18,002)	$16.85	Feb. 4, 2016	18,002	Disposed
March 12, 2012	WDC	Employee Stock Option (right to buy)	Common Stock (5,077)	$23.46	Sept. 12, 2014	5,077	Disposed
March 12, 2012	WDC	Employee Stock Option (right to buy)	Common Stock (10,665)	$23.78	Sept. 11, 2015	10,665	Disposed
March 12, 2012	WDC	Employee Stock Option (right to buy)	Common Stock (18,072)	$26.17	Sept. 8, 2017	18,072	Disposed
March 12, 2012	WDC	Employee Stock Option (right to buy)	Common Stock (7,439)	$28.09	Feb. 6, 2015	7,439	Disposed
Sept. 14, 2011	WDC	Employee Stock Option (right to buy)	Common Stock (45,432)	$29.60	Sept. 14, 2018	45,432	Acquired
Feb. 7, 2011	WDC	Employee Stock Option (right to buy)	Common Stock (4,500)	$16.85	Feb. 4, 2016	4,500	Disposed
Feb. 7, 2011	WDC	Employee Stock Option (right to buy)	Common Stock (2,631)	$23.46	Sept. 12, 2014	2,631	Disposed
Feb. 7, 2011	WDC	Employee Stock Option (right to buy)	Common Stock (4,266)	$23.78	Sept. 11, 2015	4,266	Disposed
Nov. 8, 2010	WDC	Employee Stock Option (right to buy)	Common Stock (4,500)	$16.85	Feb. 4, 2016	4,500	Disposed
Nov. 8, 2010	WDC	Employee Stock Option (right to buy)	Common Stock (947)	$19.40	Nov. 8, 2016	947	Disposed
Sept. 8, 2010	WDC	Employee Stock Option (right to buy)	Common Stock (48,189)	$26.17	Sept. 8, 2017	48,189	Acquired
Aug. 16, 2010	WDC	Employee Stock Option (right to buy)	Common Stock (4,501)	$16.85	Feb. 4, 2016	4,501	Disposed
Aug. 16, 2010	WDC	Employee Stock Option (right to buy)	Common Stock (947)	$19.40	Nov. 8, 2016	947	Disposed

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

Initial ownership (Form 3) 7 holdings

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

Date	Ticker	Security	Shares	Ownership
Aug. 23, 2010	WDC	Common Stock	42,948	Direct
Aug. 23, 2010	WDC	Employee Stock Option (right to buy)→ Common Stock (49,504)	49,504	Direct
Aug. 23, 2010	WDC	Employee Stock Option (right to buy)→ Common Stock (1,894)	1,894	Direct
Aug. 23, 2010	WDC	Employee Stock Option (right to buy)→ Common Stock (7,708)	7,708	Direct
Aug. 23, 2010	WDC	Employee Stock Option (right to buy)→ Common Stock (19,197)	19,197	Direct
Aug. 23, 2010	WDC	Employee Stock Option (right to buy)→ Common Stock (9,751)	9,751	Direct
Aug. 23, 2010	WDC	Employee Stock Option (right to buy)→ Common Stock (20,655)	20,655	Direct