Neil Yeston

Insider

First SEC filing: Sept. 17, 2012 · Latest: Feb. 8, 2019

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 8 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

8 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Oct. 2, 2020	MDXG	A	26,236	$6.67	$174,994	126,357 Direct	+26.20%	Acquired	-33.5% (price as of 2026-08-20)
Aug. 5, 2020	MDXG	A	29,661	—	—	100,121 Direct	+42.10%	Acquired	(price as of 2026-08-20)
May 17, 2017	MDXG	A	12,153	—	—	70,460 Direct	+20.84%	Acquired	(price as of 2026-08-20)
May 18, 2016	MDXG	A	21,429	—	—	58,307 Direct	+58.11%	Acquired	(price as of 2026-08-20)
May 14, 2015	MDXG	A	12,878	—	—	36,878 Direct	+53.66%	Acquired	(price as of 2026-08-20)
July 28, 2014	MDXG	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-20)
July 28, 2014	MDXG	A	9,000	—	—	24,000 Direct	+60.00%	Acquired	(price as of 2026-08-20)
Jan. 30, 2013	MDXG	J	10,000	$4.34	$43,400	15,000 Direct	+200.00%	Acquired	2.2% (price as of 2026-08-20)
Dec. 13, 2012	MDXG	P	5,000	$3.52	$17,600	5,000 Direct	—	Acquired	26.0% (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
July 28, 2014	MDXG	Stock Options	Common Stock (15,000)	$6.28	July 27, 2024	15,000	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
Sept. 17, 2012	MDXG	Stock Option→ Common Stock (45,000)	45,000	Direct