James L Bierman

Insider

First SEC filing: June 12, 2026 · Latest: June 12, 2026

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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) 1 sells (S) Net: $-1,224,800 + 23 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

23 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 27, 2026	THC	S	5,000	$244.96	$1,224,800	31,604 Direct	-13.66%	Disposed	12.1% (price as of 2026-08-21)
June 10, 2026	MDXG	A	50,913	$3.64	$185,323	263,684 Direct	+23.93%	Acquired	17.7% (price as of 2026-08-21)
May 27, 2026	THC	A	1,188	—	—	1,188 Direct	—	Acquired	(price as of 2026-08-21)
May 22, 2026	THC	M	1,333	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
May 22, 2026	THC	M	1,333	—	—	36,604 Direct	+3.78%	Acquired	(price as of 2026-08-21)
June 18, 2025	MDXG	A	28,609	$6.47	$185,100	212,771 Direct	+15.53%	Acquired	-33.8% (price as of 2026-08-21)
May 29, 2025	THC	S 10b5-1	4,613	$170.00	$784,210	35,271 Direct	-11.57%	Disposed	61.5% (price as of 2026-08-21)
May 27, 2025	THC	S 10b5-1	1,551	$165.72	$257,032	39,884 Direct	-3.74%	Disposed	65.6% (price as of 2026-08-21)
May 23, 2025	THC	M	1,551	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
May 23, 2025	THC	S 10b5-1	5,000	$160.00	$800,000	41,435 Direct	-10.77%	Disposed	71.6% (price as of 2026-08-21)
May 23, 2025	THC	S 10b5-1	8,836	$159.35	$1,408,017	46,435 Direct	-15.99%	Disposed	72.3% (price as of 2026-08-21)
May 23, 2025	THC	M	1,551	—	—	55,271 Direct	+2.89%	Acquired	(price as of 2026-08-21)
May 22, 2025	THC	A	1,333	—	—	1,333 Direct	—	Acquired	(price as of 2026-08-21)
June 5, 2024	MDXG	A	23,190	$7.26	$168,359	184,162 Direct	+14.41%	Acquired	-41.0% (price as of 2026-08-21)
May 23, 2024	THC	A	1,551	—	—	1,551 Direct	—	Acquired	(price as of 2026-08-21)
June 13, 2023	MDXG	A	35,354	$4.95	$175,002	160,972 Direct	+28.14%	Acquired	-13.4% (price as of 2026-08-21)
May 26, 2023	THC	A	3,682	—	—	53,720 Direct	+7.36%	Acquired	(price as of 2026-08-21)
May 26, 2023	THC	A	2,846	—	—	52,884 Direct	+5.69%	Acquired	(price as of 2026-08-21)
June 7, 2022	MDXG	A	44,191	$3.96	$174,996	125,618 Direct	+54.27%	Acquired	8.2% (price as of 2026-08-21)
May 9, 2022	THC	A	3,836	—	—	50,038 Direct	+8.30%	Acquired	(price as of 2026-08-21)
May 27, 2021	MDXG	A	17,056	$10.26	$174,995	81,427 Direct	+26.50%	Acquired	-58.2% (price as of 2026-08-21)
May 7, 2021	THC	A	3,960	—	—	46,202 Direct	+9.37%	Acquired	(price as of 2026-08-21)
Oct. 2, 2020	MDXG	A	26,236	$6.67	$174,994	64,371 Direct	+68.80%	Acquired	-35.8% (price as of 2026-08-21)
Aug. 5, 2020	MDXG	A	38,135	—	—	38,135 Direct	—	Acquired	(price as of 2026-08-21)
May 29, 2020	THC	A	11,139	—	—	42,242 Direct	+35.81%	Acquired	(price as of 2026-08-21)
May 3, 2019	THC	A	10,817	—	—	31,103 Direct	+53.32%	Acquired	(price as of 2026-08-21)
May 4, 2018	THC	A	7,439	—	—	20,286 Direct	+57.90%	Acquired	(price as of 2026-08-21)
Oct. 31, 2017	THC	A	12,847	—	—	12,847 Direct	—	Acquired	(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
May 27, 2026	THC	2026 May Restricted Stock Units	Common Stock (1,188)	—	May 27, 2027	1,188	Acquired
May 22, 2026	THC	2025 May Restricted Stock Units	Common Stock (1,333)	—	May 22, 2026	1,333	Disposed
May 23, 2025	THC	Restricted Stock Units	Common Stock (1,551)	—	May 23, 2025	1,551	Disposed
May 22, 2025	THC	Restricted Stock Units	Common Stock (1,333)	—	May 22, 2026	1,333	Acquired
May 23, 2024	THC	Restricted Stock Units	Common Stock (1,551)	—	May 23, 2025	1,551	Acquired

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