John F Sullivan

Insider

First SEC filing: May 1, 2019 · Latest: May 1, 2019

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.

Insider at

TMDX selling April 7, 2021

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 30 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

30 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 30, 2021	TMDX	M	3,200	—	—	15,772 Direct	-16.87%	Disposed	(price as of 2026-08-20)
Aug. 30, 2021	TMDX	M	3,200	$0.28	$896	14,273 Direct	+28.90%	Acquired	33367.9% (price as of 2026-08-20)
April 7, 2021	TMDX	M 10b5-1	12,000	—	—	12,437 Direct	-49.11%	Disposed	(price as of 2026-08-20)
April 7, 2021	TMDX	M 10b5-1	3,000	—	—	12,000 Direct	-20.00%	Disposed	(price as of 2026-08-20)
April 7, 2021	TMDX	S 10b5-1	3,949	$37.46	$147,930	10,828 Direct	-26.72%	Disposed	150.2% (price as of 2026-08-20)
April 7, 2021	TMDX	S 10b5-1	8,984	$36.77	$330,342	14,777 Direct	-37.81%	Disposed	154.9% (price as of 2026-08-20)
April 7, 2021	TMDX	S 10b5-1	2,067	$35.86	$74,123	23,761 Direct	-8.00%	Disposed	161.3% (price as of 2026-08-20)
April 7, 2021	TMDX	M 10b5-1	12,000	$2.21	$26,520	25,828 Direct	+86.78%	Acquired	4140.3% (price as of 2026-08-20)
April 7, 2021	TMDX	M 10b5-1	3,000	$16.14	$48,420	13,828 Direct	+27.71%	Acquired	480.6% (price as of 2026-08-20)
Feb. 24, 2021	TMDX	A	25,000	—	—	25,000 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 9, 2021	TMDX	M	8,600	—	—	0 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 9, 2021	TMDX	S 10b5-1	200	$34.18	$6,836	10,828 Direct	-1.81%	Disposed	174.2% (price as of 2026-08-20)
Feb. 9, 2021	TMDX	S 10b5-1	8,400	$32.78	$275,352	11,028 Direct	-43.24%	Disposed	185.9% (price as of 2026-08-20)
Feb. 9, 2021	TMDX	M 10b5-1	8,600	$0.28	$2,408	19,428 Direct	+79.42%	Acquired	33367.9% (price as of 2026-08-20)
Jan. 19, 2021	TMDX	M 10b5-1	9,617	—	—	1,000 Direct	-90.58%	Disposed	(price as of 2026-08-20)
Jan. 19, 2021	TMDX	S 10b5-1	9,617	$22.12	$212,728	10,828 Direct	-47.04%	Disposed	323.6% (price as of 2026-08-20)
Jan. 19, 2021	TMDX	M 10b5-1	9,617	$0.39	$3,751	20,445 Direct	+88.82%	Acquired	23928.2% (price as of 2026-08-20)
Dec. 21, 2020	TMDX	S 10b5-1	1,000	$17.99	$17,990	10,828 Direct	-8.45%	Disposed	420.9% (price as of 2026-08-20)
Dec. 16, 2020	TMDX	M	1,000	—	—	10,617 Direct	+10.40%	Acquired	(price as of 2026-08-20)
Dec. 16, 2020	TMDX	M	1,000	$0.39	$390	11,828 Direct	+9.24%	Acquired	23928.2% (price as of 2026-08-20)
Dec. 15, 2020	TMDX	M 10b5-1	3,000	—	—	11,617 Direct	+34.81%	Acquired	(price as of 2026-08-20)
Dec. 15, 2020	TMDX	S 10b5-1	3,000	$16.63	$49,890	10,828 Direct	-21.70%	Disposed	463.5% (price as of 2026-08-20)
Dec. 15, 2020	TMDX	M 10b5-1	3,000	$0.39	$1,170	13,828 Direct	+27.71%	Acquired	23928.2% (price as of 2026-08-20)
Feb. 27, 2020	TMDX	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 15, 2019	TMDX	M	1,400	—	—	8,600 Direct	-14.00%	Disposed	(price as of 2026-08-20)
Nov. 15, 2019	TMDX	M	1,400	$0.28	$392	10,828 Direct	+14.85%	Acquired	33367.9% (price as of 2026-08-20)
May 6, 2019	TMDX	J	24,437	—	—	24,437 Direct	—	Acquired	(price as of 2026-08-20)
May 6, 2019	TMDX	J	85,530	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 6, 2019	TMDX	J	18,972	—	—	18,972 Direct	—	Acquired	(price as of 2026-08-20)
May 6, 2019	TMDX	J	66,402	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 6, 2019	TMDX	J	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
May 6, 2019	TMDX	J	35,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 6, 2019	TMDX	J	14,617	—	—	14,617 Direct	—	Acquired	(price as of 2026-08-20)
May 6, 2019	TMDX	J	51,162	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 6, 2019	TMDX	J	285	—	—	285 Direct	—	Acquired	(price as of 2026-08-20)
May 6, 2019	TMDX	J	1,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 6, 2019	TMDX	J	9,428	—	—	9,428 Direct	—	Acquired	(price as of 2026-08-20)
May 6, 2019	TMDX	J	33,000	—	—	0 Direct	-100.00%	Disposed	(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
Aug. 30, 2021	TMDX	Stock Option (Right to Buy)	Common Stock (3,200)	$0.28	May 29, 2023	3,200	Disposed
April 7, 2021	TMDX	Stock Option (Right to Buy)	Common Stock (12,000)	$2.21	June 22, 2027	12,000	Disposed
April 7, 2021	TMDX	Stock Option (Right to Buy)	Common Stock (3,000)	$16.14	Feb. 27, 2030	3,000	Disposed
Feb. 24, 2021	TMDX	Stock Option (Right to Buy)	Common Stock (25,000)	$38.46	Feb. 24, 2031	25,000	Acquired
Feb. 9, 2021	TMDX	Stock Option (Right to Buy)	Common Stock (8,600)	$0.28	March 27, 2023	8,600	Acquired
Jan. 19, 2021	TMDX	Stock Option (Right to Buy)	Common Stock (9,617)	$0.39	Sept. 27, 2021	9,617	Disposed
Dec. 16, 2020	TMDX	Stock Option (Right to Buy)	Common Stock (1,000)	$0.39	Sept. 27, 2021	1,000	Acquired
Dec. 15, 2020	TMDX	Stock Option (Right to Buy)	Common Stock (3,000)	$0.39	Sept. 27, 2021	3,000	Acquired
Feb. 27, 2020	TMDX	Stock Option (Right to Buy)	Common Stock (15,000)	$16.14	Feb. 27, 2030	15,000	Acquired
Nov. 15, 2019	TMDX	Stock Option (Right to Buy)	Common Stock (1,400)	$0.28	March 27, 2023	1,400	Disposed
May 6, 2019	TMDX	Stock Option (Right to Buy)	Common Stock (24,437)	—	June 22, 2027	24,437	Acquired
May 6, 2019	TMDX	Stock Option (Right to Buy)	Common Stock (24,437)	—	June 22, 2027	85,530	Disposed
May 6, 2019	TMDX	Stock Option (Right to Buy)	Common Stock (18,972)	—	May 29, 2023	18,972	Acquired
May 6, 2019	TMDX	Stock Option (Right to Buy)	Common Stock (18,972)	—	May 29, 2023	66,402	Disposed
May 6, 2019	TMDX	Stock Option (Right to Buy)	Common Stock (10,000)	—	March 27, 2023	10,000	Acquired
May 6, 2019	TMDX	Stock Option (Right to Buy)	Common Stock (10,000)	—	March 27, 2023	35,000	Disposed
May 6, 2019	TMDX	Stock Option (Right to Buy)	Common Stock (14,617)	—	Sept. 27, 2021	14,617	Acquired
May 6, 2019	TMDX	Stock Option (Right to Buy)	Common Stock (14,617)	—	Sept. 27, 2021	51,162	Disposed
May 6, 2019	TMDX	Stock Option (Right to Buy)	Common Stock (285)	—	Dec. 16, 2020	285	Acquired
May 6, 2019	TMDX	Stock Option (Right to Buy)	Common Stock (285)	—	Dec. 16, 2020	1,000	Disposed

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

Initial ownership (Form 3) 6 holdings

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

Date	Ticker	Security	Shares	Ownership
May 1, 2019	TMDX	Common Stock	9,428	Direct
May 1, 2019	TMDX	Stock Option (Right to Buy)→ Common Stock	—	Direct
May 1, 2019	TMDX	Stock Option (Right to Buy)→ Common Stock	—	Direct
May 1, 2019	TMDX	Stock Option (Right to Buy)→ Common Stock	—	Direct
May 1, 2019	TMDX	Stock Option (Right to Buy)→ Common Stock	—	Direct
May 1, 2019	TMDX	Stock Option (Right to Buy)→ Common Stock	—	Direct