William F Buehler

Insider

First SEC filing: April 13, 2010 · Latest: April 13, 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.

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
Feb. 12, 2014	DGX	M	10,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Feb. 12, 2014	DGX	M	20,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Feb. 12, 2014	DGX	S	30,000	$52.15	$1,564,500	26,225 Direct	-53.36%	Disposed	361.3% (price as of 2026-08-21)
Feb. 12, 2014	DGX	M	10,000	$49.04	$490,400	56,225 Direct	+21.63%	Acquired	390.5% (price as of 2026-08-21)
Feb. 12, 2014	DGX	M	20,000	$42.62	$852,400	46,225 Direct	+76.26%	Acquired	464.4% (price as of 2026-08-21)
May 21, 2013	DGX	A	1,975	—	—	26,225 Direct	+8.14%	Acquired	(price as of 2026-08-21)
May 21, 2013	DGX	A	6,111	—	—	6,111 Direct	—	Acquired	(price as of 2026-08-21)
Aug. 10, 2012	DGX	M	20,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Aug. 10, 2012	DGX	M	10,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Aug. 10, 2012	DGX	S	20,000	$59.34	$1,186,800	24,250 Direct	-45.20%	Disposed	305.4% (price as of 2026-08-21)
Aug. 10, 2012	DGX	M	20,000	$30.46	$609,200	44,250 Direct	+82.47%	Acquired	689.7% (price as of 2026-08-21)
Aug. 10, 2012	DGX	S	10,000	$59.24	$592,400	24,250 Direct	-29.20%	Disposed	306.1% (price as of 2026-08-21)
Aug. 10, 2012	DGX	M	10,000	$55.40	$554,000	34,250 Direct	+41.24%	Acquired	334.2% (price as of 2026-08-21)
May 11, 2012	DGX	A	6,111	—	—	6,111 Direct	—	Acquired	(price as of 2026-08-21)
May 11, 2012	DGX	A	1,975	—	—	24,250 Direct	+8.87%	Acquired	(price as of 2026-08-21)
Jan. 26, 2012	DGX	M	10,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Jan. 26, 2012	DGX	M	20,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Jan. 26, 2012	DGX	S	30,000	$58.83	$1,764,900	22,275 Direct	-57.39%	Disposed	308.9% (price as of 2026-08-21)
Jan. 26, 2012	DGX	M	10,000	$53.27	$532,700	52,275 Direct	+23.65%	Acquired	351.6% (price as of 2026-08-21)
Jan. 26, 2012	DGX	M	20,000	$47.46	$949,200	42,275 Direct	+89.79%	Acquired	406.9% (price as of 2026-08-21)
May 17, 2011	DGX	A	6,111	—	—	6,111 Direct	—	Acquired	(price as of 2026-08-21)
May 17, 2011	DGX	A	1,975	—	—	22,275 Direct	+9.73%	Acquired	(price as of 2026-08-21)
May 6, 2010	DGX	A	8,000	—	—	8,000 Direct	—	Acquired	(price as of 2026-08-21)
May 6, 2010	DGX	A	1,667	—	—	20,300 Direct	+8.95%	Acquired	(price as of 2026-08-21)
April 12, 2010	AOS	A	1,651	$54.52	$90,013	15,131 Direct	+12.25%	Acquired	589.9% (price as of 2026-08-21)
Aug. 3, 2009	DGX	M	20,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Aug. 3, 2009	DGX	S	20,000	$54.13	$1,082,600	18,629 Direct	-51.77%	Disposed	344.4% (price as of 2026-08-21)
Aug. 3, 2009	DGX	M	20,000	$29.53	$590,600	38,629 Direct	+107.36%	Acquired	714.6% (price as of 2026-08-21)
May 14, 2009	DGX	A	8,000	—	—	8,000 Direct	—	Acquired	(price as of 2026-08-21)
May 14, 2009	DGX	A	1,667	—	—	18,629 Direct	+9.83%	Acquired	(price as of 2026-08-21)
April 14, 2009	AOS	A	3,253	$27.68	$90,043	13,480 Direct	+31.81%	Acquired	1258.8% (price as of 2026-08-21)
July 14, 2008	AOS	A	680	$33.12	$22,522	10,227 Direct	+7.12%	Acquired	1035.6% (price as of 2026-08-21)
May 16, 2008	DGX	A	8,000	—	—	8,000 Direct	—	Acquired	(price as of 2026-08-21)
May 16, 2008	DGX	A	1,667	—	—	16,962 Direct	+10.90%	Acquired	(price as of 2026-08-21)
April 14, 2008	AOS	A	1,926	$31.16	$60,014	9,547 Direct	+25.27%	Acquired	1107.0% (price as of 2026-08-21)
May 8, 2007	DGX	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-21)
May 8, 2007	DGX	A	1,667	—	—	15,295 Direct	+12.23%	Acquired	(price as of 2026-08-21)
April 2, 2007	AOS	A	1,576	$38.08	$60,014	7,621 Direct	+26.07%	Acquired	887.7% (price as of 2026-08-21)
July 20, 2006	AOS	A	665	$45.14	$30,018	6,045 Direct	+12.36%	Acquired	733.2% (price as of 2026-08-21)
May 4, 2006	DGX	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-21)
May 4, 2006	DGX	A	3,334	—	—	13,628 Direct	+32.39%	Acquired	(price as of 2026-08-21)
April 3, 2006	AOS	A	373	$53.64	$20,008	5,380 Direct	+7.45%	Acquired	601.2% (price as of 2026-08-21)
May 10, 2005	DGX	A	5,000	—	—	5,000 Direct	—	Acquired	(price as of 2026-08-21)
May 2, 2005	DGX	M	18,000	$30.06	$541,080	23,147 Direct	+349.72%	Acquired	1500.5% (price as of 2026-08-21)
May 2, 2005	DGX	S	18,000	$106.66	$1,919,880	5,147 Direct	-77.76%	Disposed	351.1% (price as of 2026-08-21)
May 2, 2005	DGX	M	18,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
April 1, 2005	AOS	A	695	$28.81	$20,023	5,007 Direct	+16.12%	Acquired	1205.5% (price as of 2026-08-21)
July 19, 2004	AOS	J	1,070	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
July 19, 2004	AOS	A	175	$28.58	$5,002	4,312 Direct	+4.23%	Acquired	1216.0% (price as of 2026-08-21)
May 4, 2004	DGX	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-21)
April 1, 2004	AOS	J	516	—	—	1,070 Direct	+93.14%	Acquired	(price as of 2026-08-21)
Feb. 9, 2004	DGX	M	18,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Feb. 9, 2004	DGX	F	2,853	$84.32	$240,565	5,147 Direct	-35.66%	Disposed	470.6% (price as of 2026-08-21)
Feb. 9, 2004	DGX	S	15,000	$84.32	$1,264,800	8,000 Direct	-65.22%	Disposed	470.6% (price as of 2026-08-21)
Feb. 9, 2004	DGX	M	18,000	$13.36	$240,480	23,000 Direct	+360.00%	Acquired	3501.1% (price as of 2026-08-21)

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. 12, 2014	DGX	Stock Options (Right to Buy)	Common Stock (10,000)	$49.04	May 8, 2014	10,000	Disposed
Feb. 12, 2014	DGX	Stock Options (Right to Buy)	Common Stock (20,000)	$42.62	May 4, 2014	20,000	Disposed
May 21, 2013	DGX	Stock Options (Right to Buy)	Common Stock (6,111)	$61.22	May 21, 2023	6,111	Acquired
Aug. 10, 2012	DGX	Stock Options (Right to Buy)	Common Stock (20,000)	$30.46	May 13, 2013	20,000	Disposed
Aug. 10, 2012	DGX	Stock Options (Right to Buy)	Common Stock (10,000)	$55.40	May 4, 2013	10,000	Disposed
May 11, 2012	DGX	Stock Options (Right to Buy)	Common Stock (6,111)	$57.56	May 11, 2022	6,111	Acquired
Jan. 26, 2012	DGX	Stock Options (Right to Buy)	Common Stock (10,000)	$53.27	May 10, 2012	10,000	Disposed
Jan. 26, 2012	DGX	Stock Options (Right to Buy)	Common Stock (20,000)	$47.46	May 7, 2012	20,000	Disposed
May 17, 2011	DGX	Stock Options (Right to Buy)	Common Stock (6,111)	$57.67	May 17, 2021	6,111	Acquired
May 6, 2010	DGX	Stock Options (Right to Buy)	Common Stock (8,000)	$55.76	May 6, 2020	8,000	Acquired
Aug. 3, 2009	DGX	Non-Qualifed Stock Option (right to buy)	Common Stock (20,000)	$29.53	May 8, 2011	20,000	Disposed
May 14, 2009	DGX	Stock Options (Right to Buy)	Common Stock (8,000)	$51.55	May 14, 2019	8,000	Acquired
May 16, 2008	DGX	Stock Options (Right to buy)	Common Stock (8,000)	$49.94	May 16, 2015	8,000	Acquired
May 8, 2007	DGX	Stock Options (Right to buy)	Common Stock (10,000)	$49.04	May 8, 2014	10,000	Acquired
May 4, 2006	DGX	Stock Options (Right to buy)	Common Stock (10,000)	$55.40	May 4, 2013	10,000	Acquired
May 10, 2005	DGX	Stock Options (Right to buy)	Common Stock (5,000)	$106.54	May 10, 2012	5,000	Acquired
May 2, 2005	DGX	Stock Options (Right to buy)	Common Stock (18,000)	$30.06	May 9, 2010	18,000	Disposed
July 19, 2004	AOS	Phantom Stock [F2]	Common Stock (1,070)	$28.69	July 19, 2004	1,070	Disposed
May 4, 2004	DGX	Stock Options (Right to buy)	Common Stock (10,000)	$85.25	May 4, 2014	10,000	Acquired
April 1, 2004	AOS	Phantom Stock Award [F1]	Common Stock (516)	$29.08	—	516	Acquired
Feb. 9, 2004	DGX	Stock Options (Right to buy)	Common Stock (18,000)	$13.36	June 29, 2009	18,000	Disposed

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