Don M Hardison

Insider

First SEC filing: April 10, 2026 · Latest: April 10, 2026

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 14 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

14 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 1, 2026	MDXH	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
June 14, 2023	CTKB	A	30,242	—	—	30,242 Direct	—	Acquired	(price as of 2026-08-20)
June 1, 2022	CTKB	A	47,013	—	—	47,013 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 31, 2009	LH	F	3,848	$74.84	$287,984	19,928 Direct	-16.18%	Disposed	418.9% (price as of 2026-08-20)
Aug. 17, 2009	LH	S 10b5-1	854	$69.50	$59,353	23,776 Direct	-3.47%	Disposed	458.8% (price as of 2026-08-20)
May 18, 2009	LH	S 10b5-1	1,407	$61.73	$86,854	24,630 Direct	-5.40%	Disposed	529.1% (price as of 2026-08-20)
Feb. 20, 2009	LH	F	1,353	$62.51	$84,576	26,037 Direct	-4.94%	Disposed	521.3% (price as of 2026-08-20)
Feb. 13, 2009	LH	F	858	$62.42	$53,556	27,390 Direct	-3.04%	Disposed	522.2% (price as of 2026-08-20)
Feb. 13, 2009	LH	F	858	$62.42	$53,556	27,390 Direct	-3.04%	Disposed	522.2% (price as of 2026-08-20)
Feb. 11, 2009	LH	A	104,700	$60.04	$6,286,188	104,700 Direct	—	Acquired	546.8% (price as of 2026-08-20)
Feb. 11, 2009	LH	A	9,400	—	—	28,248 Direct	+49.87%	Acquired	(price as of 2026-08-20)
May 7, 2008	LH	A	87,300	$75.63	$6,602,499	87,300 Direct	—	Acquired	413.5% (price as of 2026-08-20)
Feb. 20, 2008	LH	F	1,352	$80.41	$108,714	18,848 Direct	-6.69%	Disposed	383.0% (price as of 2026-08-20)
Feb. 13, 2008	LH	A	7,700	—	—	20,200 Direct	+61.60%	Acquired	(price as of 2026-08-20)
Sept. 4, 2007	LH	A	35,000	$80.37	$2,812,950	35,000 Direct	—	Acquired	383.2% (price as of 2026-08-20)
Sept. 4, 2007	LH	A	12,500	—	—	12,500 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.

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
June 1, 2026	MDXH	Share Option	Ordinary Shares (10,000)	$0.76	May 28, 2036	10,000	Acquired
June 14, 2023	CTKB	Stock Option (right to buy)	Common Stock (30,242)	$8.38	June 14, 2033	30,242	Acquired
June 1, 2022	CTKB	Stock Option (right to buy)	Common Stock (47,013)	$9.67	June 1, 2032	47,013	Acquired
Feb. 11, 2009	LH	Non-qualified Stock Options [F1]	Common Stock (104,700)	$60.04	Feb. 11, 2019	104,700	Acquired
May 7, 2008	LH	Non-qualified Stock Option [F1]	Common Stock (87,300)	$75.63	May 7, 2018	87,300	Acquired
Sept. 4, 2007	LH	Non-qualified Stock Options [F1]	Common Stock (35,000)	$80.37	Feb. 20, 2017	35,000	Acquired

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

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

Date	Ticker	Security	Shares	Ownership
April 10, 2026	MDXH	Share Option→ Ordinary Shares (30,000)	30,000	Direct
April 10, 2026	MDXH	Share Option→ Ordinary Shares (10,000)	10,000	Direct
Sept. 6, 2007	LH	Common Stock	0	Direct

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

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2009	$466,938	—	—	—	$556,610	$78,781	$1,148,077	$4,963,553
2008	$478,750	$100,000	—	—	$188,462	$66,181	$34,576	$2,014,508

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