Martin C Harris

Insider

First SEC filing: May 22, 2026 · Latest: May 22, 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.
Initial holdings The stakes this person held when they first started reporting.

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 85 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

85 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 20, 2026	TMO	A	499	—	—	9,532 Direct	+5.52%	Acquired	(price as of 2026-08-20)
May 11, 2026	CL	A	1,556	—	—	24,517 Direct	+6.78%	Acquired	(price as of 2026-08-20)
May 11, 2026	CL	A	2,424	—	—	2,424 Direct	—	Acquired	(price as of 2026-08-20)
April 29, 2026	CTEV	A	8,977	—	—	24,282 Direct	+58.65%	Acquired	(price as of 2026-08-20)
May 21, 2025	TMO	A	565	—	—	9,033 Direct	+6.67%	Acquired	(price as of 2026-08-20)
May 12, 2025	CL	A	1,514	—	—	22,801 Direct	+7.11%	Acquired	(price as of 2026-08-20)
May 12, 2025	CL	A	2,272	—	—	2,272 Direct	—	Acquired	(price as of 2026-08-20)
May 22, 2024	TMO	A	339	—	—	8,468 Direct	+4.17%	Acquired	(price as of 2026-08-20)
May 13, 2024	CL	A	1,905	—	—	21,204 Direct	+9.87%	Acquired	(price as of 2026-08-20)
May 13, 2024	CL	A	2,201	—	—	2,201 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 31, 2024	CL	M	2,760	$62.04	$171,230	22,032 Direct	+14.32%	Acquired	46.8% (price as of 2026-08-20)
Jan. 31, 2024	CL	S	2,760	$84.50	$233,220	19,272 Direct	-12.53%	Disposed	7.8% (price as of 2026-08-20)
Jan. 31, 2024	CL	M	2,760	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 24, 2023	TMO	A	392	—	—	8,129 Direct	+5.07%	Acquired	(price as of 2026-08-20)
May 15, 2023	CL	A	2,220	—	—	19,244 Direct	+13.04%	Acquired	(price as of 2026-08-20)
May 15, 2023	CL	A	2,884	—	—	2,884 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 21, 2023	CL	M	5,703	$71.65	$408,620	22,713 Direct	+33.53%	Acquired	27.1% (price as of 2026-08-20)
Feb. 21, 2023	CL	S	5,703	$74.25	$423,448	17,010 Direct	-25.11%	Disposed	22.6% (price as of 2026-08-20)
Feb. 21, 2023	CL	M	5,703	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 18, 2022	TMO	A	369	—	—	7,737 Direct	+5.01%	Acquired	(price as of 2026-08-20)
May 9, 2022	CL	A	2,317	—	—	16,967 Direct	+15.82%	Acquired	(price as of 2026-08-20)
May 9, 2022	CL	A	3,122	—	—	3,122 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 2, 2022	CL	M	4,491	$71.76	$322,274	19,141 Direct	+30.66%	Acquired	26.9% (price as of 2026-08-20)
Feb. 2, 2022	CL	S	4,491	$82.76	$371,675	14,650 Direct	-23.46%	Disposed	10.0% (price as of 2026-08-20)
Feb. 2, 2022	CL	M	4,491	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 19, 2021	TMO	A	438	—	—	7,368 Direct	+6.32%	Acquired	(price as of 2026-08-20)
May 10, 2021	CL	A	1,620	—	—	14,650 Direct	+12.43%	Acquired	(price as of 2026-08-20)
May 10, 2021	CL	A	3,611	—	—	3,611 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 4, 2021	CL	M	3,569	$62.04	$221,421	13,030 Direct	+37.72%	Acquired	46.8% (price as of 2026-08-20)
Feb. 4, 2021	CL	M	3,569	—	—	2,760 Direct	-56.39%	Disposed	(price as of 2026-08-20)
Jan. 1, 2021	CTEV	A	5,214	—	—	5,214 Direct	—	Acquired	(price as of 2026-08-20)
May 20, 2020	TMO	A	572	—	—	6,930 Direct	+9.00%	Acquired	(price as of 2026-08-20)
May 11, 2020	CL	A	1,946	—	—	9,461 Direct	+25.89%	Acquired	(price as of 2026-08-20)
May 11, 2020	CL	A	4,155	—	—	4,155 Direct	—	Acquired	(price as of 2026-08-20)
March 17, 2020	HSTM	M	786	—	—	1,573 Direct	-33.32%	Disposed	(price as of 2026-08-20)
March 17, 2020	HSTM	M	879	—	—	879 Direct	-50.00%	Disposed	(price as of 2026-08-20)
March 17, 2020	HSTM	M	922	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 17, 2020	HSTM	M	2,587	—	—	28,614 Direct	+9.94%	Acquired	(price as of 2026-08-20)
March 11, 2020	HSTM	A	2,836	—	—	2,836 Direct	—	Acquired	(price as of 2026-08-20)
June 5, 2019	TMO	S	75	$270.74	$20,306	6,358 Direct	-1.17%	Disposed	128.9% (price as of 2026-08-20)
June 5, 2019	TMO	S	200	$270.73	$54,146	6,433 Direct	-3.02%	Disposed	128.9% (price as of 2026-08-20)
May 22, 2019	TMO	A	718	—	—	6,633 Direct	+12.14%	Acquired	(price as of 2026-08-20)
May 15, 2019	HSTM	S	1,116	$25.72	$28,704	26,027 Direct	-4.11%	Disposed	10.5% (price as of 2026-08-20)
May 13, 2019	CL	A	1,887	—	—	7,515 Direct	+33.53%	Acquired	(price as of 2026-08-20)
May 13, 2019	CL	A	4,170	—	—	4,170 Direct	—	Acquired	(price as of 2026-08-20)
March 18, 2019	HSTM	M	922	—	—	922 Direct	-50.00%	Disposed	(price as of 2026-08-20)
March 18, 2019	HSTM	M	878	—	—	1,758 Direct	-33.31%	Disposed	(price as of 2026-08-20)
March 18, 2019	HSTM	M	1,074	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 18, 2019	HSTM	M	2,874	—	—	27,143 Direct	+11.84%	Acquired	(price as of 2026-08-20)
March 15, 2019	HSTM	A	2,359	—	—	2,359 Direct	—	Acquired	(price as of 2026-08-20)
May 23, 2018	TMO	A	809	—	—	5,915 Direct	+15.84%	Acquired	(price as of 2026-08-20)
May 18, 2018	TMO	S	206	$214.43	$44,173	5,106 Direct	-3.88%	Disposed	189.0% (price as of 2026-08-20)
May 18, 2018	HSTM	S	525	$27.63	$14,506	24,269 Direct	-2.12%	Disposed	2.9% (price as of 2026-08-20)
May 14, 2018	CL	A	2,176	—	—	5,628 Direct	+63.04%	Acquired	(price as of 2026-08-20)
May 14, 2018	CL	A	6,329	—	—	6,329 Direct	—	Acquired	(price as of 2026-08-20)
May 7, 2018	HSTM	S	3,415	$26.58	$90,771	24,794 Direct	-12.11%	Disposed	6.9% (price as of 2026-08-20)
March 19, 2018	HSTM	M	849	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 19, 2018	HSTM	M	1,075	—	—	1,074 Direct	-50.02%	Disposed	(price as of 2026-08-20)
March 19, 2018	HSTM	M	922	—	—	1,844 Direct	-33.33%	Disposed	(price as of 2026-08-20)
March 19, 2018	HSTM	M	2,846	—	—	28,209 Direct	+11.22%	Acquired	(price as of 2026-08-20)
March 15, 2018	HSTM	A	2,636	—	—	2,636 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2018	HSTM	M	5,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 1, 2018	HSTM	M	5,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 1, 2018	HSTM	M	5,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 1, 2018	HSTM	M	3,750	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 1, 2018	HSTM	M	3,750	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 1, 2018	HSTM	M	3,750	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 1, 2018	HSTM	S	10,452	$24.06	$251,475	25,363 Direct	-29.18%	Disposed	18.1% (price as of 2026-08-20)
March 1, 2018	HSTM	M	15,000	$12.23	$183,450	35,815 Direct	+72.06%	Acquired	132.4% (price as of 2026-08-20)
March 1, 2018	HSTM	M	11,250	$5.99	$67,388	20,815 Direct	+117.62%	Acquired	374.5% (price as of 2026-08-20)
Aug. 30, 2017	TMO	S	360	$180.97	$65,149	5,312 Direct	-6.35%	Disposed	242.4% (price as of 2026-08-20)
May 17, 2017	TMO	A	1,024	—	—	5,672 Direct	+22.03%	Acquired	(price as of 2026-08-20)
May 15, 2017	CL	A	1,884	—	—	3,452 Direct	+120.15%	Acquired	(price as of 2026-08-20)
May 15, 2017	CL	A	5,703	—	—	5,703 Direct	—	Acquired	(price as of 2026-08-20)
March 20, 2017	HSTM	M	1,075	—	—	2,149 Direct	-33.34%	Disposed	(price as of 2026-08-20)
March 20, 2017	HSTM	M	848	—	—	849 Direct	-49.97%	Disposed	(price as of 2026-08-20)
March 20, 2017	HSTM	M	745	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 20, 2017	HSTM	M	2,668	—	—	9,565 Direct	+38.68%	Acquired	(price as of 2026-08-20)
March 16, 2017	HSTM	A	2,766	—	—	2,766 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 5, 2016	TMO	S	390	$157.33	$61,359	4,648 Direct	-7.74%	Disposed	293.9% (price as of 2026-08-20)
May 18, 2016	TMO	A	1,000	—	—	5,038 Direct	+24.76%	Acquired	(price as of 2026-08-20)
May 9, 2016	CL	A	4,491	—	—	4,491 Direct	—	Acquired	(price as of 2026-08-20)
May 9, 2016	CL	A	1,568	—	—	1,568 Direct	—	Acquired	(price as of 2026-08-20)
March 18, 2016	HSTM	M	848	—	—	1,697 Direct	-33.32%	Disposed	(price as of 2026-08-20)
March 18, 2016	HSTM	M	745	—	—	745 Direct	-50.00%	Disposed	(price as of 2026-08-20)
March 18, 2016	HSTM	M	1,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 18, 2016	HSTM	M	2,593	—	—	6,897 Direct	+60.25%	Acquired	(price as of 2026-08-20)
March 17, 2016	HSTM	A	3,224	—	—	3,224 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 3, 2015	TMO	S	531	$134.35	$71,340	4,038 Direct	-11.62%	Disposed	361.2% (price as of 2026-08-20)
May 20, 2015	TMO	A	1,137	—	—	4,569 Direct	+33.13%	Acquired	(price as of 2026-08-20)
March 18, 2015	HSTM	M	745	—	—	1,490 Direct	-33.33%	Disposed	(price as of 2026-08-20)
March 18, 2015	HSTM	M	1,000	—	—	1,000 Direct	-50.00%	Disposed	(price as of 2026-08-20)
March 18, 2015	HSTM	M	1,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 18, 2015	HSTM	M	2,745	—	—	4,304 Direct	+176.07%	Acquired	(price as of 2026-08-20)
March 10, 2015	HSTM	A	2,545	—	—	2,545 Direct	—	Acquired	(price as of 2026-08-20)
June 4, 2014	TMO	S	810	$118.27	$95,799	3,432 Direct	-19.09%	Disposed	423.9% (price as of 2026-08-20)
May 20, 2014	TMO	A	1,311	—	—	4,242 Direct	+44.73%	Acquired	(price as of 2026-08-20)
May 9, 2014	HSTM	S	1,100	$24.22	$26,642	1,559 Direct	-41.37%	Disposed	17.3% (price as of 2026-08-20)
March 18, 2014	HSTM	M	1,000	—	—	2,000 Direct	-33.33%	Disposed	(price as of 2026-08-20)
March 18, 2014	HSTM	M	1,000	—	—	1,000 Direct	-50.00%	Disposed	(price as of 2026-08-20)

Showing latest 100 of 116 transactions

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 11, 2026	CL	Stock Option (Right to Buy)	Common Stock (2,424)	$86.74	May 11, 2034	2,424	Acquired
May 12, 2025	CL	Stock Option (Right to Buy)	Common Stock (2,272)	$89.14	May 12, 2033	2,272	Acquired
May 13, 2024	CL	Stock Option (Right to Buy)	Common Stock (2,201)	$94.46	May 13, 2032	2,201	Acquired
Jan. 31, 2024	CL	Stock Option (Right to Buy)	Common Stock (2,760)	$62.04	May 14, 2024	2,760	Disposed
May 15, 2023	CL	Stock Option (Right to Buy)	Common Stock (2,884)	$81.08	May 15, 2031	2,884	Acquired
Feb. 21, 2023	CL	Stock Option (Right to Buy)	Common Stock (5,703)	$71.65	May 15, 2023	5,703	Disposed
May 9, 2022	CL	Stock Option (Right to Buy)	Common Stock (3,122)	$77.67	May 9, 2030	3,122	Acquired
Feb. 2, 2022	CL	Stock Option (Right to Buy)	Common Stock (4,491)	$71.76	May 9, 2022	4,491	Disposed
May 10, 2021	CL	Stock Option (Right to Buy)	Common Stock (3,611)	$83.34	May 10, 2029	3,611	Acquired
Feb. 4, 2021	CL	Stock Option (Right to Buy)	Common Stock (3,569)	$62.04	May 14, 2024	3,569	Disposed
May 11, 2020	CL	Stock Option (Right to Buy)	Common Stock (4,155)	$69.83	May 11, 2028	4,155	Acquired
March 17, 2020	HSTM	Restricted Share Units	Common Stock (786)	—	—	786	Disposed
March 17, 2020	HSTM	Restricted Share Units	Common Stock (879)	—	—	879	Disposed
March 17, 2020	HSTM	Restricted Share Units	Common Stock (922)	—	—	922	Disposed
March 11, 2020	HSTM	Restricted Share Units	Common Stock (2,836)	—	—	2,836	Acquired
May 13, 2019	CL	Stock Option (Right to Buy)	Common Stock (4,170)	$71.56	May 13, 2027	4,170	Acquired
March 18, 2019	HSTM	Restricted Share Units	Common Stock (922)	—	—	922	Disposed
March 18, 2019	HSTM	Restricted Share Units	Common Stock (878)	—	—	878	Disposed
March 18, 2019	HSTM	Restricted Share Units	Common Stock (1,074)	—	—	1,074	Disposed
March 15, 2019	HSTM	Restricted Share Units	Common Stock (2,359)	—	—	2,359	Acquired
May 14, 2018	CL	Stock Option (Right to Buy)	Common Stock (6,329)	$62.04	May 14, 2024	6,329	Acquired
March 19, 2018	HSTM	Restricted Share Units	Common Stock (849)	—	—	849	Disposed
March 19, 2018	HSTM	Restricted Share Units	Common Stock (1,075)	—	—	1,075	Disposed
March 19, 2018	HSTM	Restricted Share Units	Common Stock (922)	—	—	922	Disposed
March 15, 2018	HSTM	Restricted Share Units	Common Stock (2,636)	—	—	2,636	Acquired
March 1, 2018	HSTM	Employee Stock Option (right to buy)	Common Stock (5,000)	$12.23	May 26, 2019	5,000	Disposed
March 1, 2018	HSTM	Employee Stock Option (right to buy)	Common Stock (5,000)	$12.23	May 26, 2019	5,000	Disposed
March 1, 2018	HSTM	Employee Stock Option (right to buy)	Common Stock (5,000)	$12.23	May 26, 2019	5,000	Disposed
March 1, 2018	HSTM	Employee Stock Option (right to buy)	Common Stock (3,750)	$5.99	Oct. 25, 2018	3,750	Disposed
March 1, 2018	HSTM	Employee Stock Option (right to buy)	Common Stock (3,750)	$5.99	Oct. 25, 2018	3,750	Disposed
March 1, 2018	HSTM	Employee Stock Option (right to buy)	Common Stock (3,750)	$5.99	Oct. 25, 2018	3,750	Disposed
May 15, 2017	CL	Stock Option (Right to Buy)	Common Stock (5,703)	$71.65	May 15, 2023	5,703	Acquired
March 20, 2017	HSTM	Restricted Share Units	Common Stock (1,075)	—	—	1,075	Disposed
March 20, 2017	HSTM	Restricted Share Units	Common Stock (848)	—	—	848	Disposed
March 20, 2017	HSTM	Restricted Share Units	Common Stock (745)	—	—	745	Disposed
March 16, 2017	HSTM	Restricted Share Units	Common Stock (2,766)	—	—	2,766	Acquired
May 9, 2016	CL	Stock Option (Right to Buy)	Common Stock (4,491)	$71.76	May 9, 2022	4,491	Acquired
March 18, 2016	HSTM	Restricted Share Units	Common Stock (848)	—	—	848	Disposed
March 18, 2016	HSTM	Restricted Share Units	Common Stock (745)	—	—	745	Disposed
March 18, 2016	HSTM	Restricted Share Units	Common Stock (1,000)	—	—	1,000	Disposed
March 17, 2016	HSTM	Restricted Share Units	Common Stock (3,224)	—	—	3,224	Acquired
March 18, 2015	HSTM	Restricted Share Units	Common Stock (745)	—	—	745	Disposed
March 18, 2015	HSTM	Restricted Share Units	Common Stock (1,000)	—	—	1,000	Disposed
March 18, 2015	HSTM	Restricted Share Units	Common Stock (1,000)	—	—	1,000	Disposed
March 10, 2015	HSTM	Restricted Share Units	Common Stock (2,545)	—	—	2,545	Acquired
March 18, 2014	HSTM	Restricted Share Units	Common Stock (1,000)	—	—	1,000	Disposed
March 18, 2014	HSTM	Restricted Share Units	Common Stock (1,000)	—	—	1,000	Disposed
March 11, 2014	HSTM	Restricted Share Units	Common Stock (2,235)	—	—	2,235	Acquired
March 21, 2013	HSTM	Restricted Share Units	Common Stock (1,000)	—	—	1,000	Disposed
March 18, 2013	HSTM	Restricted Stock Units	Common Stock (3,000)	—	—	3,000	Acquired
March 18, 2012	HSTM	Restricted Stock Units	Common Stock (3,000)	—	—	3,000	Acquired
May 26, 2011	HSTM	Employee Stock Option (right to buy)	Common Stock (5,000)	$12.23	May 26, 2019	5,000	Acquired
May 26, 2011	HSTM	Employee Stock Option (right to buy)	Common Stock (5,000)	$12.23	May 26, 2019	5,000	Acquired
May 26, 2011	HSTM	Employee Stock Option (right to buy)	Common Stock (5,000)	$12.23	May 26, 2019	5,000	Acquired
Oct. 25, 2010	HSTM	Employee Stock Option (right to buy)	Common Stock (3,750)	$5.99	Oct. 25, 2018	3,750	Acquired
Oct. 25, 2010	HSTM	Employee Stock Option (right to buy)	Common Stock (3,750)	$5.99	Oct. 25, 2018	3,750	Acquired
Oct. 25, 2010	HSTM	Employee Stock Option (right to buy)	Common Stock (3,750)	$5.99	Oct. 25, 2018	3,750	Acquired

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

Initial ownership (Form 3) 1 holding

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

Date	Ticker	Security	Shares	Ownership
Sept. 10, 2010	HSTM	Common Stock	0	Direct