Andrew Scott Walton

Insider

First SEC filing: Jan. 10, 2007 · Latest: Jan. 10, 2007

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.
Compensation Executive pay disclosed in company proxy statements.

Insider at

LH selling April 9, 2012

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 37 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

37 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
April 9, 2012	LH	S 10b5-1	2,000	$91.82	$183,640	22,298 Direct	-8.23%	Disposed	322.9% (price as of 2026-08-20)
April 9, 2012	LH	S 10b5-1	2,000	$91.82	$183,640	24,298 Direct	-7.61%	Disposed	322.9% (price as of 2026-08-20)
March 26, 2012	LH	F	4,999	$91.90	$459,408	26,298 Direct	-15.97%	Disposed	322.6% (price as of 2026-08-20)
March 26, 2012	LH	A	12,376	—	—	31,297 Direct	+65.41%	Acquired	(price as of 2026-08-20)
Feb. 28, 2012	LH	A	1,700	—	—	18,921 Direct	+9.87%	Acquired	(price as of 2026-08-20)
Feb. 10, 2012	LH	F	466	$90.03	$41,954	17,221 Direct	-2.63%	Disposed	331.4% (price as of 2026-08-20)
Feb. 9, 2012	LH	F	314	$92.11	$28,923	17,687 Direct	-1.74%	Disposed	321.6% (price as of 2026-08-20)
Feb. 9, 2012	LH	F	412	$92.11	$37,949	18,001 Direct	-2.24%	Disposed	321.6% (price as of 2026-08-20)
April 14, 2011	LH	S 10b5-1	1,535	$95.00	$145,825	18,413 Direct	-7.70%	Disposed	308.8% (price as of 2026-08-20)
April 11, 2011	LH	S 10b5-1	1,536	$92.69	$142,372	19,948 Direct	-7.15%	Disposed	319.0% (price as of 2026-08-20)
March 30, 2011	LH	F	1,780	$91.57	$162,995	21,484 Direct	-7.65%	Disposed	324.1% (price as of 2026-08-20)
March 30, 2011	LH	A	4,851	—	—	23,264 Direct	+26.35%	Acquired	(price as of 2026-08-20)
Feb. 14, 2011	LH	F	357	$87.73	$31,320	18,413 Direct	-1.90%	Disposed	342.7% (price as of 2026-08-20)
Feb. 10, 2011	LH	F	466	$87.73	$40,882	18,770 Direct	-2.42%	Disposed	342.7% (price as of 2026-08-20)
Feb. 9, 2011	LH	F	412	$90.74	$37,385	16,336 Direct	-2.46%	Disposed	328.0% (price as of 2026-08-20)
Feb. 9, 2011	LH	A	2,900	—	—	19,236 Direct	+17.75%	Acquired	(price as of 2026-08-20)
Feb. 9, 2011	LH	A	30,400	—	—	30,400 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 29, 2010	LH	S	881	$81.00	$71,361	16,748 Direct	-5.00%	Disposed	379.4% (price as of 2026-08-20)
Oct. 29, 2010	LH	S 10b5-1	881	$81.00	$71,361	16,748 Direct	-5.00%	Disposed	379.4% (price as of 2026-08-20)
Oct. 6, 2010	LH	M 10b5-1	5,000	—	—	5,000 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Oct. 6, 2010	LH	S 10b5-1	5,000	$79.50	$397,500	17,629 Direct	-22.10%	Disposed	388.5% (price as of 2026-08-20)
Oct. 6, 2010	LH	M 10b5-1	5,000	$58.57	$292,850	22,629 Direct	+28.36%	Acquired	563.1% (price as of 2026-08-20)
Oct. 1, 2010	LH	S 10b5-1	881	$79.00	$69,599	17,629 Direct	-4.76%	Disposed	391.6% (price as of 2026-08-20)
July 14, 2010	LH	S 10b5-1	924	$76.00	$70,224	18,510 Direct	-4.75%	Disposed	411.0% (price as of 2026-08-20)
Feb. 22, 2010	LH	F	649	$73.97	$48,007	19,434 Direct	-3.23%	Disposed	425.0% (price as of 2026-08-20)
Feb. 16, 2010	LH	F	357	$72.43	$25,858	20,083 Direct	-1.75%	Disposed	436.2% (price as of 2026-08-20)
Feb. 10, 2010	LH	F	509	$70.97	$36,124	20,440 Direct	-2.43%	Disposed	447.2% (price as of 2026-08-20)
Feb. 9, 2010	LH	A	36,400	$70.15	$2,553,460	36,400 Direct	—	Acquired	453.6% (price as of 2026-08-20)
Feb. 9, 2010	LH	A	3,600	—	—	20,949 Direct	+20.75%	Acquired	(price as of 2026-08-20)
April 30, 2009	LH	S 10b5-1	3,500	$63.88	$223,580	17,196 Direct	-16.91%	Disposed	507.9% (price as of 2026-08-20)
Feb. 23, 2009	LH	F	239	$62.12	$14,847	20,696 Direct	-1.14%	Disposed	525.2% (price as of 2026-08-20)
Feb. 20, 2009	LH	F	649	$62.51	$40,569	20,935 Direct	-3.01%	Disposed	521.3% (price as of 2026-08-20)
Feb. 13, 2009	LH	F	408	$62.42	$25,467	21,584 Direct	-1.86%	Disposed	522.2% (price as of 2026-08-20)
Feb. 13, 2009	LH	F	408	$62.42	$25,467	21,584 Direct	-1.86%	Disposed	522.2% (price as of 2026-08-20)
Feb. 11, 2009	LH	A	47,400	$60.04	$2,845,896	47,400 Direct	—	Acquired	546.8% (price as of 2026-08-20)
Feb. 11, 2009	LH	A	4,300	$60.04	$258,172	21,992 Direct	+24.30%	Acquired	546.8% (price as of 2026-08-20)
May 7, 2008	LH	A	37,600	$75.63	$2,843,688	37,600 Direct	—	Acquired	413.5% (price as of 2026-08-20)
April 11, 2008	LH	F	312	$74.74	$23,319	17,410 Direct	-1.76%	Disposed	419.6% (price as of 2026-08-20)
March 26, 2008	LH	F	4,169	$74.50	$310,590	17,722 Direct	-19.04%	Disposed	421.3% (price as of 2026-08-20)
March 26, 2008	LH	A	11,550	—	—	21,891 Direct	+111.69%	Acquired	(price as of 2026-08-20)
March 7, 2008	LH	S	1,846	$78.22	$144,394	10,341 Direct	-15.15%	Disposed	396.5% (price as of 2026-08-20)
Feb. 25, 2008	LH	F	238	$79.29	$18,871	12,187 Direct	-1.92%	Disposed	389.8% (price as of 2026-08-20)
Feb. 20, 2008	LH	F	649	$80.41	$52,186	12,425 Direct	-4.96%	Disposed	383.0% (price as of 2026-08-20)
Feb. 13, 2008	LH	A	3,300	—	—	13,074 Direct	+33.76%	Acquired	(price as of 2026-08-20)
April 11, 2007	LH	F	238	$73.39	$17,467	9,560 Direct	-2.43%	Disposed	429.2% (price as of 2026-08-20)
Feb. 23, 2007	LH	F	281	$80.25	$22,550	9,798 Direct	-2.79%	Disposed	383.9% (price as of 2026-08-20)
Feb. 20, 2007	LH	A	30,000	$80.37	$2,411,100	30,000 Direct	—	Acquired	383.2% (price as of 2026-08-20)
Feb. 20, 2007	LH	A	6,000	—	—	10,079 Direct	+147.09%	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
Feb. 9, 2011	LH	Non-qualified Stock Options [F2]	Common Stock (30,400)	$90.74	Feb. 9, 2021	30,400	Acquired
Oct. 6, 2010	LH	Non-qualified Stock Options [F2]	Common Stock (5,000)	$58.57	Feb. 23, 2016	5,000	Disposed
Feb. 9, 2010	LH	Non-qualified Stock Options [F2]	Common Stock (36,400)	$70.15	Feb. 9, 2020	36,400	Acquired
Feb. 11, 2009	LH	Non-qualified Stock Options [F2]	Common Stock (47,400)	$60.04	Feb. 11, 2019	47,400	Acquired
May 7, 2008	LH	Non-qualified Stock Option [F1]	Common Stock (37,600)	$75.63	May 7, 2018	37,600	Acquired
Feb. 20, 2007	LH	Non-qualified Stock Options [F2]	Common Stock (30,000)	$80.37	Feb. 20, 2017	30,000	Acquired

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

Initial ownership (Form 3) 2 holdings

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

Date	Ticker	Security	Shares	Ownership
Jan. 10, 2007	LH	Common Stock	3,962	Direct
Jan. 10, 2007	LH	Non-qualified Stock Options [F1]→ Common Stock (10,000)	10,000	Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

LH

President

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2011	$368,778	—	$780,364	$562,956	$437,005	$40,121	$19,385	$2,208,608
2010	$347,200	—	—	—	$412,682	$24,916	$50,799	$2,077,915
2009	$335,000	$24,750	—	—	$290,077	$26,860	$43,474	$1,950,458

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.