Wolfgang U. Nickl

Insider

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

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 Oct. 28, 2013

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 45 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

45 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Oct. 28, 2013	WDC	M 10b5-1	1,750	$16.85	$29,488	58,980 Direct	+3.06%	Acquired	3497.1% (price as of 2026-08-20)
Oct. 28, 2013	WDC	M 10b5-1	8,133	$35.75	$290,755	67,113 Direct	+13.79%	Acquired	1595.4% (price as of 2026-08-20)
Oct. 28, 2013	WDC	M 10b5-1	7,849	$23.78	$186,649	74,962 Direct	+11.70%	Acquired	2448.9% (price as of 2026-08-20)
Oct. 28, 2013	WDC	S 10b5-1	21,353	$72.55	$1,549,160	53,609 Direct	-28.49%	Disposed	735.5% (price as of 2026-08-20)
Oct. 28, 2013	WDC	M 10b5-1	1,750	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 28, 2013	WDC	M 10b5-1	7,849	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 28, 2013	WDC	M 10b5-1	8,133	—	—	1,162 Direct	-87.50%	Disposed	(price as of 2026-08-20)
Oct. 15, 2013	WDC	A	279	—	—	1,486 Direct	+23.12%	Acquired	(price as of 2026-08-20)
Sept. 10, 2013	WDC	M 10b5-1	7,429	$28.09	$208,681	66,208 Direct	+12.64%	Acquired	2057.8% (price as of 2026-08-20)
Sept. 10, 2013	WDC	M 10b5-1	3,015	$24.18	$72,903	69,223 Direct	+4.55%	Acquired	2406.7% (price as of 2026-08-20)
Sept. 10, 2013	WDC	M 10b5-1	2,130	$19.40	$41,322	71,353 Direct	+3.08%	Acquired	3024.3% (price as of 2026-08-20)
Sept. 10, 2013	WDC	M 10b5-1	5,920	$23.46	$138,883	77,273 Direct	+8.30%	Acquired	2483.6% (price as of 2026-08-20)
Sept. 10, 2013	WDC	S 10b5-1	20,043	$65.65	$1,315,823	57,230 Direct	-25.94%	Disposed	823.3% (price as of 2026-08-20)
Sept. 10, 2013	WDC	M 10b5-1	2,130	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Sept. 10, 2013	WDC	M 10b5-1	5,920	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Sept. 10, 2013	WDC	M 10b5-1	3,015	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Sept. 10, 2013	WDC	M 10b5-1	7,429	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Sept. 8, 2013	WDC	M	196	—	—	63,618 Direct	+0.31%	Acquired	(price as of 2026-08-20)
Sept. 8, 2013	WDC	F	4,839	$64.99	$314,487	58,779 Direct	-7.61%	Disposed	832.6% (price as of 2026-08-20)
Sept. 8, 2013	WDC	M	197	—	—	1,207 Direct	-14.03%	Disposed	(price as of 2026-08-20)
July 15, 2013	WDC	A	242	—	—	1,404 Direct	+20.83%	Acquired	(price as of 2026-08-20)
May 16, 2013	WDC	M	100	—	—	58,325 Direct	+0.17%	Acquired	(price as of 2026-08-20)
May 16, 2013	WDC	F	2,153	$59.05	$127,135	56,172 Direct	-3.69%	Disposed	926.5% (price as of 2026-08-20)
May 16, 2013	WDC	M	101	—	—	1,162 Direct	-8.00%	Disposed	(price as of 2026-08-20)
May 5, 2013	WDC	M	99	—	—	60,347 Direct	+0.16%	Acquired	(price as of 2026-08-20)
May 5, 2013	WDC	F	2,122	$57.15	$121,272	58,225 Direct	-3.52%	Disposed	960.6% (price as of 2026-08-20)
May 5, 2013	WDC	M	99	—	—	1,263 Direct	-7.27%	Disposed	(price as of 2026-08-20)
April 15, 2013	WDC	A	376	—	—	1,362 Direct	+38.13%	Acquired	(price as of 2026-08-20)
Dec. 26, 2012	WDC	A	455	—	—	986 Direct	+85.69%	Acquired	(price as of 2026-08-20)
Dec. 21, 2012	WDC	M	26,257	$16.85	$442,430	92,009 Direct	+39.93%	Acquired	3497.1% (price as of 2026-08-20)
Dec. 21, 2012	WDC	S	31,761	$41.85	$1,329,198	60,248 Direct	-34.52%	Disposed	1348.3% (price as of 2026-08-20)
Dec. 21, 2012	WDC	M	26,257	—	—	1,750 Direct	-93.75%	Disposed	(price as of 2026-08-20)
Nov. 11, 2012	WDC	M	15	—	—	66,477 Direct	+0.02%	Acquired	(price as of 2026-08-20)
Nov. 11, 2012	WDC	F	1,011	$35.11	$35,496	65,466 Direct	-1.52%	Disposed	1626.3% (price as of 2026-08-20)
Nov. 11, 2012	WDC	M	15	—	—	532 Direct	-2.74%	Disposed	(price as of 2026-08-20)
Oct. 15, 2012	WDC	A	547	—	—	547 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 10, 2012	WDC	F	1,610	$41.18	$66,300	66,462 Direct	-2.37%	Disposed	1371.9% (price as of 2026-08-20)
Sept. 6, 2012	WDC	A	12,502	—	—	68,072 Direct	+22.50%	Acquired	(price as of 2026-08-20)
Sept. 6, 2012	WDC	A	29,479	—	—	29,479 Direct	—	Acquired	(price as of 2026-08-20)
May 16, 2012	WDC	A	11,261	—	—	55,002 Direct	+25.74%	Acquired	(price as of 2026-08-20)
May 16, 2012	WDC	A	26,776	—	—	26,776 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 14, 2011	WDC	A	12,615	—	—	43,342 Direct	+41.06%	Acquired	(price as of 2026-08-20)
Sept. 14, 2011	WDC	A	39,753	—	—	39,753 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 11, 2011	WDC	F	1,032	$28.46	$29,371	30,727 Direct	-3.25%	Disposed	2029.7% (price as of 2026-08-20)
Feb. 6, 2011	WDC	F	435	$36.21	$15,751	31,426 Direct	-1.37%	Disposed	1573.9% (price as of 2026-08-20)
Sept. 12, 2010	WDC	F	1,719	$25.65	$44,092	31,861 Direct	-5.12%	Disposed	2263.0% (price as of 2026-08-20)
Sept. 8, 2010	WDC	A	9,079	—	—	33,580 Direct	+37.06%	Acquired	(price as of 2026-08-20)
Sept. 8, 2010	WDC	A	27,106	—	—	27,106 Direct	—	Acquired	(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
Oct. 28, 2013	WDC	Employee Stock Option (right to buy)	Common Stock (1,750)	$16.85	Feb. 4, 2016	1,750	Disposed
Oct. 28, 2013	WDC	Employee Stock Option (right to buy)	Common Stock (7,849)	$23.78	Sept. 11, 2015	7,849	Disposed
Oct. 28, 2013	WDC	Employee Stock Option (right to buy)	Common Stock (8,133)	$35.75	Sept. 10, 2016	8,133	Disposed
Oct. 15, 2013	WDC	Dividend Equivalent Rights	Common Stock (279)	—	—	279	Acquired
Sept. 10, 2013	WDC	Employee Stock Option (right to buy)	Common Stock (2,130)	$19.40	Nov. 8, 2016	2,130	Disposed
Sept. 10, 2013	WDC	Employee Stock Option (right to buy)	Common Stock (5,920)	$23.46	Sept. 12, 2014	5,920	Disposed
Sept. 10, 2013	WDC	Employee Stock Option (right to buy)	Common Stock (3,015)	$24.18	Feb. 17, 2016	3,015	Disposed
Sept. 10, 2013	WDC	Employee Stock Option (right to buy)	Common Stock (7,429)	$28.09	Feb. 6, 2015	7,429	Disposed
Sept. 8, 2013	WDC	Dividend Equivalent Rights	Common Stock (197)	—	—	197	Disposed
July 15, 2013	WDC	Dividend Equivalent Rights	Common Stock (242)	—	—	242	Acquired
May 16, 2013	WDC	Dividend Equivalent Rights	Common Stock (101)	—	—	101	Disposed
May 5, 2013	WDC	Dividend Equivalent Rights	Common Stock (99)	—	—	99	Disposed
April 15, 2013	WDC	Dividend Equivalent Rights	Common Stock (376)	—	—	376	Acquired
Dec. 26, 2012	WDC	Dividend Equivalent Rights	Common Stock (455)	—	—	455	Acquired
Dec. 21, 2012	WDC	Employee Stock Option (right to buy)	Common Stock (26,257)	$16.85	Feb. 4, 2016	26,257	Disposed
Nov. 11, 2012	WDC	Dividend Equivalent Rights	Common Stock (15)	—	—	15	Disposed
Oct. 15, 2012	WDC	Dividend Equivalent Rights	Common Stock (547)	—	—	547	Acquired
Sept. 6, 2012	WDC	Employee Stock Option (right to buy)	Common Stock (29,479)	$43.11	Sept. 6, 2019	29,479	Acquired
May 16, 2012	WDC	Employee Stock Option (right to buy)	Common Stock (26,776)	$38.63	May 16, 2019	26,776	Acquired
Sept. 14, 2011	WDC	Employee Stock Option (right to buy)	Common Stock (39,753)	$29.60	Sept. 14, 2018	39,753	Acquired
Sept. 8, 2010	WDC	Employee Stock Option (right to buy)	Common Stock (27,106)	$26.17	Sept. 8, 2017	27,106	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
Aug. 23, 2010	WDC	Common Stock	24,501	Direct
Aug. 23, 2010	WDC	Employee Stock Option (right to buy)→ Common Stock (28,007)	28,007	Direct
Aug. 23, 2010	WDC	Employee Stock Option (right to buy)→ Common Stock (2,130)	2,130	Direct
Aug. 23, 2010	WDC	Employee Stock Option (right to buy)→ Common Stock (5,920)	5,920	Direct
Aug. 23, 2010	WDC	Employee Stock Option (right to buy)→ Common Stock (7,849)	7,849	Direct
Aug. 23, 2010	WDC	Employee Stock Option (right to buy)→ Common Stock (3,015)	3,015	Direct
Aug. 23, 2010	WDC	Employee Stock Option (right to buy)→ Common Stock (7,429)	7,429	Direct
Aug. 23, 2010	WDC	Employee Stock Option (right to buy)→ Common Stock (9,295)	9,295	Direct
Aug. 23, 2010	WDC	Employee Stock Option (right to buy)→ Common Stock (5,969)	5,969	Direct