David C Wang

Insider

First SEC filing: May 21, 2019 · Latest: May 21, 2019

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

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 48 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

48 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 17, 2019	TEX	A	7,826	—	—	36,911 Direct	+26.91%	Acquired	(price as of 2026-08-19)
May 14, 2018	TEX	A	4,347	—	—	64,666 Direct	+7.21%	Acquired	(price as of 2026-08-19)
May 12, 2017	TEX	A	6,898	$32.62	$225,013	59,996 Direct	+12.99%	Acquired	97.7% (price as of 2026-08-19)
May 13, 2016	TEX	A	9,921	$22.68	$225,008	52,688 Direct	+23.20%	Acquired	184.4% (price as of 2026-08-19)
May 18, 2015	TEX	A	7,060	$28.33	$200,010	42,396 Direct	+19.98%	Acquired	127.7% (price as of 2026-08-19)
Nov. 5, 2014	KLAC	A	1,969	—	—	3,825 Direct	+106.09%	Acquired	(price as of 2026-08-19)
May 9, 2014	TEX	I	0	—	—	1,082 Indirect	0.00%	Acquired	(price as of 2026-08-19)
May 9, 2014	TEX	A	5,008	$39.94	$200,020	35,141 Direct	+16.62%	Acquired	61.5% (price as of 2026-08-19)
Feb. 25, 2014	KLAC	M	1,250	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Feb. 25, 2014	KLAC	M	1,250	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Feb. 25, 2014	KLAC	M	1,250	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Feb. 25, 2014	KLAC	S	1,250	$65.22	$81,525	5,097 Direct	-19.69%	Disposed	2792.8% (price as of 2026-08-19)
Feb. 25, 2014	KLAC	M	1,250	$52.84	$66,050	6,347 Direct	+24.52%	Acquired	3470.6% (price as of 2026-08-19)
Feb. 25, 2014	KLAC	S	1,250	$65.23	$81,538	5,097 Direct	-19.69%	Disposed	2792.4% (price as of 2026-08-19)
Feb. 25, 2014	KLAC	M	1,250	$56.79	$70,988	6,347 Direct	+24.52%	Acquired	3222.2% (price as of 2026-08-19)
Feb. 25, 2014	KLAC	S	1,250	$65.21	$81,512	5,097 Direct	-19.69%	Disposed	2793.3% (price as of 2026-08-19)
Feb. 25, 2014	KLAC	M	1,250	$55.88	$69,850	6,347 Direct	+24.52%	Acquired	3276.3% (price as of 2026-08-19)
Dec. 20, 2013	TEX	I	0	—	—	1,082 Indirect	0.00%	Acquired	(price as of 2026-08-19)
Dec. 20, 2013	TEX	A	34	$39.70	$1,350	30,104 Direct	+0.11%	Acquired	62.5% (price as of 2026-08-19)
Nov. 6, 2013	KLAC	A	1,856	—	—	4,414 Direct	+72.56%	Acquired	(price as of 2026-08-19)
Sept. 6, 2013	KLAC	M	1,250	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Sept. 6, 2013	KLAC	M	1,250	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Sept. 6, 2013	KLAC	S	1,250	$59.01	$73,762	2,539 Direct	-32.99%	Disposed	3097.3% (price as of 2026-08-19)
Sept. 6, 2013	KLAC	M	1,250	$50.39	$62,988	3,789 Direct	+49.23%	Acquired	3644.2% (price as of 2026-08-19)
Sept. 6, 2013	KLAC	S	1,250	$59.02	$73,775	2,539 Direct	-32.99%	Disposed	3096.7% (price as of 2026-08-19)
Sept. 6, 2013	KLAC	M	1,250	$50.39	$62,988	3,789 Direct	+49.23%	Acquired	3644.2% (price as of 2026-08-19)
May 10, 2013	TEX	I	0	—	—	1,082 Indirect	0.00%	Acquired	(price as of 2026-08-19)
May 10, 2013	TEX	A	6,299	$31.75	$199,993	30,070 Direct	+26.50%	Acquired	103.1% (price as of 2026-08-19)
Nov. 7, 2012	KLAC	A	2,558	—	—	2,558 Direct	—	Acquired	(price as of 2026-08-19)
May 11, 2012	TEX	I	0	—	—	1,082 Indirect	0.00%	Acquired	(price as of 2026-08-19)
May 11, 2012	TEX	A	8,263	$21.18	$175,010	23,771 Direct	+53.28%	Acquired	204.5% (price as of 2026-08-19)
March 16, 2012	TEX	G	1,082	—	—	1,082 Indirect	—	Acquired	(price as of 2026-08-19)
March 16, 2012	TEX	G	1,082	—	—	15,508 Direct	-6.52%	Disposed	(price as of 2026-08-19)
Nov. 3, 2011	KLAC	A	2,539	—	—	2,539 Direct	—	Acquired	(price as of 2026-08-19)
May 13, 2011	TEX	A	2,759	—	—	16,590 Direct	+19.95%	Acquired	(price as of 2026-08-19)
Jan. 3, 2011	TEX	A	1,019	$31.04	$31,630	13,831 Direct	+7.95%	Acquired	107.8% (price as of 2026-08-19)
Nov. 3, 2010	KLAC	A	2,772	—	—	5,920 Direct	+88.06%	Acquired	(price as of 2026-08-19)
Jan. 4, 2010	TEX	A	6,815	$19.81	$135,005	12,812 Direct	+113.64%	Acquired	225.6% (price as of 2026-08-19)
Nov. 4, 2009	KLAC	A	3,148	—	—	9,912 Direct	+46.54%	Acquired	(price as of 2026-08-19)
Jan. 2, 2009	TEX	A	4,330	$17.32	$74,996	5,997 Direct	+259.75%	Acquired	272.4% (price as of 2026-08-19)
Nov. 13, 2008	KLAC	A	5,333	—	—	8,800 Direct	+153.82%	Acquired	(price as of 2026-08-19)
May 15, 2008	TEX	A	1,324	$71.48	$94,640	1,667 Direct	+386.01%	Acquired	-9.8% (price as of 2026-08-19)
May 15, 2008	TEX	A	343	$72.82	$24,977	343 Direct	—	Acquired	-11.4% (price as of 2026-08-19)
Nov. 15, 2007	KLAC	A	2,036	—	—	3,467 Direct	+142.28%	Acquired	(price as of 2026-08-19)
Oct. 30, 2007	KLAC	A	1,250	—	—	1,250 Direct	—	Acquired	(price as of 2026-08-19)
July 31, 2007	KLAC	A	1,250	—	—	1,250 Direct	-50.00%	Disposed	(price as of 2026-08-19)
July 31, 2007	KLAC	A	1,250	—	—	1,250 Direct	—	Acquired	(price as of 2026-08-19)
May 1, 2007	KLAC	A	1,250	—	—	1,250 Direct	—	Acquired	(price as of 2026-08-19)
May 1, 2007	KLAC	A	1,250	—	—	1,250 Direct	—	Acquired	(price as of 2026-08-19)
March 29, 2007	KLAC	A	935	—	—	1,431 Direct	+188.51%	Acquired	(price as of 2026-08-19)
Feb. 14, 2007	KLAC	A	1,250	—	—	2,500 Direct	+100.00%	Acquired	(price as of 2026-08-19)
Feb. 14, 2007	KLAC	A	1,250	—	—	1,250 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 14, 2007	KLAC	A	496	—	—	496 Direct	—	Acquired	(price as of 2026-08-19)

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
Feb. 25, 2014	KLAC	Non-Qualified Stock Option (Right to Buy)	Common Stock (1,250)	$52.84	Oct. 30, 2014	1,250	Disposed
Feb. 25, 2014	KLAC	Non-Qualified Stock Option (Right to Buy)	Common Stock (1,250)	$56.79	July 31, 2014	1,250	Disposed
Feb. 25, 2014	KLAC	Non-Qualified Stock Option (Right to Buy)	Common Stock (1,250)	$55.88	May 1, 2014	1,250	Disposed
Sept. 6, 2013	KLAC	Non-Qualified Stock Option (Right to Buy)	Common Stock (1,250)	$50.39	Feb. 14, 2014	1,250	Disposed
Sept. 6, 2013	KLAC	Non-Qualified Stock Option (Right to Buy)	Common Stock (1,250)	$50.39	Feb. 14, 2014	1,250	Disposed
Oct. 30, 2007	KLAC	Non-Qualified Stock Option (Rights to Buy)	Common Stock (1,250)	$52.84	Oct. 30, 2014	1,250	Acquired
July 31, 2007	KLAC	Non-Qualified Stock Option (Rights to Buy)	Common Stock (1,250)	$56.79	July 31, 2014	1,250	Disposed
July 31, 2007	KLAC	Non-Qualified Stock Option (Rights to Buy)	Common Stock (1,250)	$56.79	July 30, 2017	1,250	Acquired
May 1, 2007	KLAC	Non-Qualified Stock Option (Rights to Buy)	Common Stock (1,250)	$55.88	May 1, 2014	1,250	Acquired
May 1, 2007	KLAC	Non-Qualified Stock Option (right to buy)	Common Stock (1,250)	$55.88	April 30, 2017	1,250	Acquired
Feb. 14, 2007	KLAC	Non-Qualified Stock Option (right to buy)	Common Stock (1,250)	$50.39	Feb. 14, 2014	1,250	Acquired
Feb. 14, 2007	KLAC	Non-Qualified Stock Option (right to buy)	Common Stock (1,250)	$50.39	Feb. 14, 2014	1,250	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
May 16, 2008	TEX	Common Stock, $.01 par value	0	Direct