Michael A Boxer

Insider

First SEC filing: Jan. 3, 2018 · Latest: Jan. 3, 2018

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.

Insider at

TMO selling March 10, 2025

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 78 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

78 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 10, 2025	TMO	S	3,775	$532.52	$2,010,263	10,816 Direct	-25.87%	Disposed	15.5% (price as of 2026-08-19)
Feb. 28, 2025	TMO	F	255	$528.96	$134,885	14,591 Direct	-1.72%	Disposed	16.3% (price as of 2026-08-19)
Feb. 28, 2025	TMO	F	129	$528.96	$68,236	14,847 Direct	-0.86%	Disposed	16.3% (price as of 2026-08-19)
Feb. 19, 2025	TMO	A	2,611	—	—	15,157 Direct	+20.81%	Acquired	(price as of 2026-08-19)
Dec. 5, 2024	TMO	G	190	—	—	12,546 Direct	-1.49%	Disposed	(price as of 2026-08-19)
Oct. 25, 2024	TMO	M	2,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Oct. 25, 2024	TMO	S 10b5-1	2,000	$560.16	$1,120,320	12,736 Direct	-13.57%	Disposed	9.8% (price as of 2026-08-19)
Oct. 25, 2024	TMO	M	2,000	$210.68	$421,360	14,736 Direct	+15.70%	Acquired	192.0% (price as of 2026-08-19)
Aug. 28, 2024	TMO	F	59	$613.14	$36,175	12,736 Direct	-0.46%	Disposed	0.3% (price as of 2026-08-19)
Aug. 28, 2024	TMO	F	69	$613.14	$42,307	12,794 Direct	-0.54%	Disposed	0.3% (price as of 2026-08-19)
Aug. 28, 2024	TMO	F	75	$613.14	$45,986	12,863 Direct	-0.58%	Disposed	0.3% (price as of 2026-08-19)
Aug. 23, 2024	TMO	F	145	$606.12	$87,887	12,938 Direct	-1.11%	Disposed	1.5% (price as of 2026-08-19)
July 26, 2024	TMO	M	2,000	—	—	2,000 Direct	-50.00%	Disposed	(price as of 2026-08-19)
July 26, 2024	TMO	S 10b5-1	2,000	$600.85	$1,201,700	13,083 Direct	-13.26%	Disposed	2.4% (price as of 2026-08-19)
July 26, 2024	TMO	M	2,000	$210.68	$421,360	15,083 Direct	+15.29%	Acquired	192.0% (price as of 2026-08-19)
April 26, 2024	TMO	M	2,000	—	—	4,000 Direct	-33.33%	Disposed	(price as of 2026-08-19)
April 26, 2024	TMO	S 10b5-1	2,000	$567.94	$1,135,880	13,083 Direct	-13.26%	Disposed	8.3% (price as of 2026-08-19)
April 26, 2024	TMO	M	2,000	$210.68	$421,360	15,083 Direct	+15.29%	Acquired	192.0% (price as of 2026-08-19)
Feb. 28, 2024	TMO	F	291	$572.03	$166,461	13,083 Direct	-2.18%	Disposed	7.6% (price as of 2026-08-19)
Feb. 23, 2024	TMO	F	240	$564.71	$135,530	13,374 Direct	-1.76%	Disposed	8.9% (price as of 2026-08-19)
Feb. 21, 2024	TMO	A	11,440	—	—	11,440 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 21, 2024	TMO	A	4,990	—	—	4,990 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 21, 2024	TMO	A	801	—	—	13,702 Direct	+6.21%	Acquired	(price as of 2026-08-19)
Feb. 7, 2024	TMO	M	14,566	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Feb. 7, 2024	TMO	S 10b5-1	14,566	$562.00	$8,186,092	12,901 Direct	-53.03%	Disposed	9.5% (price as of 2026-08-19)
Feb. 7, 2024	TMO	M	14,566	$192.98	$2,810,947	27,467 Direct	+112.91%	Acquired	218.8% (price as of 2026-08-19)
Dec. 7, 2023	TMO	G	200	—	—	12,901 Direct	-1.53%	Disposed	(price as of 2026-08-19)
Aug. 28, 2023	TMO	F	42	$545.19	$22,898	13,097 Direct	-0.32%	Disposed	12.9% (price as of 2026-08-19)
Aug. 28, 2023	TMO	F	62	$545.19	$33,802	13,139 Direct	-0.47%	Disposed	12.9% (price as of 2026-08-19)
Aug. 25, 2023	TMO	F	207	$541.59	$112,109	13,201 Direct	-1.54%	Disposed	13.6% (price as of 2026-08-19)
Aug. 23, 2023	TMO	F	145	$545.24	$79,060	13,408 Direct	-1.07%	Disposed	12.8% (price as of 2026-08-19)
June 26, 2023	TMO	P	4	$526.15	$2,105	13,101 Direct	+0.03%	Acquired	16.9% (price as of 2026-08-19)
Feb. 28, 2023	TMO	F	223	$541.76	$120,812	13,553 Direct	-1.62%	Disposed	13.6% (price as of 2026-08-19)
Feb. 23, 2023	TMO	F	172	$550.95	$94,763	13,776 Direct	-1.23%	Disposed	11.7% (price as of 2026-08-19)
Feb. 23, 2023	TMO	F	249	$550.95	$137,187	13,948 Direct	-1.75%	Disposed	11.7% (price as of 2026-08-19)
Feb. 22, 2023	TMO	A	3,766	—	—	3,766 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 22, 2023	TMO	A	1,806	—	—	14,197 Direct	+14.58%	Acquired	(price as of 2026-08-19)
Feb. 22, 2023	TMO	A	569	—	—	12,391 Direct	+4.81%	Acquired	(price as of 2026-08-19)
Aug. 28, 2022	TMO	F	35	$563.71	$19,730	11,822 Direct	-0.30%	Disposed	9.1% (price as of 2026-08-19)
Aug. 26, 2022	TMO	F	240	$563.71	$135,290	11,857 Direct	-1.98%	Disposed	9.1% (price as of 2026-08-19)
Aug. 25, 2022	TMO	F	190	$585.47	$111,239	12,097 Direct	-1.55%	Disposed	5.1% (price as of 2026-08-19)
Aug. 23, 2022	TMO	F	111	$572.97	$63,600	12,287 Direct	-0.90%	Disposed	7.4% (price as of 2026-08-19)
Aug. 8, 2022	TMO	M	7,283	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Aug. 8, 2022	TMO	S 10b5-1	7,283	$590.80	$4,302,796	12,398 Direct	-37.01%	Disposed	4.1% (price as of 2026-08-19)
Aug. 8, 2022	TMO	M	7,283	$192.98	$1,405,473	19,681 Direct	+58.74%	Acquired	218.8% (price as of 2026-08-19)
Feb. 25, 2022	TMO	F	367	$549.83	$201,788	12,398 Direct	-2.88%	Disposed	11.9% (price as of 2026-08-19)
Feb. 23, 2022	TMO	A	3,984	—	—	3,984 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 23, 2022	TMO	F	247	$528.58	$130,559	12,765 Direct	-1.90%	Disposed	16.4% (price as of 2026-08-19)
Feb. 23, 2022	TMO	A	516	—	—	13,012 Direct	+4.13%	Acquired	(price as of 2026-08-19)
Feb. 23, 2022	TMO	F	172	$528.58	$90,916	12,496 Direct	-1.36%	Disposed	16.4% (price as of 2026-08-19)
Feb. 23, 2022	TMO	A	1,750	—	—	12,668 Direct	+16.03%	Acquired	(price as of 2026-08-19)
Aug. 27, 2021	TMO	F	160	$548.51	$87,762	10,918 Direct	-1.44%	Disposed	12.2% (price as of 2026-08-19)
Aug. 26, 2021	TMO	F	240	$552.77	$132,665	11,078 Direct	-2.12%	Disposed	11.3% (price as of 2026-08-19)
Aug. 25, 2021	TMO	F	158	$548.08	$86,597	11,318 Direct	-1.38%	Disposed	12.3% (price as of 2026-08-19)
Aug. 23, 2021	TMO	F	67	$552.61	$37,025	11,476 Direct	-0.58%	Disposed	11.3% (price as of 2026-08-19)
July 2, 2021	TMO	F	176	$513.32	$90,344	11,543 Direct	-1.50%	Disposed	19.9% (price as of 2026-08-19)
Feb. 26, 2021	TMO	F	257	$450.08	$115,671	11,719 Direct	-2.15%	Disposed	36.7% (price as of 2026-08-19)
Feb. 25, 2021	TMO	F	288	$451.47	$130,023	11,976 Direct	-2.35%	Disposed	36.3% (price as of 2026-08-19)
Feb. 23, 2021	TMO	A	4,080	—	—	4,080 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 23, 2021	TMO	A	14,566	—	—	14,566 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 23, 2021	TMO	A	1,000	—	—	12,264 Direct	+8.88%	Acquired	(price as of 2026-08-19)
Feb. 23, 2021	TMO	F	246	$458.81	$112,867	11,264 Direct	-2.14%	Disposed	34.1% (price as of 2026-08-19)
Feb. 23, 2021	TMO	A	2,494	—	—	11,510 Direct	+27.66%	Acquired	(price as of 2026-08-19)
Aug. 27, 2020	TMO	F	160	$420.53	$67,285	9,016 Direct	-1.74%	Disposed	46.3% (price as of 2026-08-19)
Aug. 26, 2020	TMO	F	200	$425.65	$85,130	9,176 Direct	-2.13%	Disposed	44.5% (price as of 2026-08-19)
Aug. 25, 2020	TMO	F	95	$422.29	$40,118	9,376 Direct	-1.00%	Disposed	45.7% (price as of 2026-08-19)
July 2, 2020	TMO	F	176	$365.89	$64,397	9,471 Direct	-1.82%	Disposed	68.2% (price as of 2026-08-19)
Feb. 26, 2020	TMO	F	206	$309.16	$63,687	9,647 Direct	-2.09%	Disposed	99.0% (price as of 2026-08-19)
Feb. 25, 2020	TMO	A	5,850	—	—	5,850 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 25, 2020	TMO	F	287	$309.63	$88,864	9,853 Direct	-2.83%	Disposed	98.7% (price as of 2026-08-19)
Feb. 25, 2020	TMO	A	1,425	—	—	10,140 Direct	+16.35%	Acquired	(price as of 2026-08-19)
Feb. 25, 2020	TMO	A	2,934	—	—	8,715 Direct	+50.75%	Acquired	(price as of 2026-08-19)
Aug. 27, 2019	TMO	F	134	$272.93	$36,573	5,781 Direct	-2.27%	Disposed	125.4% (price as of 2026-08-19)
Aug. 26, 2019	TMO	F	88	$270.92	$23,841	5,915 Direct	-1.47%	Disposed	127.1% (price as of 2026-08-19)
July 2, 2019	TMO	F	98	$301.11	$29,509	6,003 Direct	-1.61%	Disposed	104.3% (price as of 2026-08-19)
Feb. 26, 2019	TMO	A	7,450	—	—	7,450 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 26, 2019	TMO	F	206	$253.99	$52,322	6,101 Direct	-3.27%	Disposed	142.2% (price as of 2026-08-19)
Feb. 26, 2019	TMO	A	1,800	—	—	6,307 Direct	+39.94%	Acquired	(price as of 2026-08-19)
Feb. 26, 2019	TMO	A	2,100	—	—	4,507 Direct	+87.25%	Acquired	(price as of 2026-08-19)
Aug. 27, 2018	TMO	F	54	$237.92	$12,848	2,407 Direct	-2.19%	Disposed	158.6% (price as of 2026-08-19)
July 2, 2018	TMO	F	59	$205.57	$12,129	2,461 Direct	-2.34%	Disposed	199.3% (price as of 2026-08-19)
Feb. 27, 2018	TMO	A	6,000	—	—	6,000 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 27, 2018	TMO	A	1,200	—	—	2,520 Direct	+90.91%	Acquired	(price as of 2026-08-19)
Jan. 2, 2018	TMO	A	7,283	—	—	7,283 Direct	—	Acquired	(price as of 2026-08-19)
Jan. 2, 2018	TMO	A	1,320	—	—	1,320 Direct	—	Acquired	(price as of 2026-08-19)

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
Oct. 25, 2024	TMO	Stock Option (Right to Buy)	Common Stock (2,000)	$210.68	Feb. 27, 2025	2,000	Disposed
July 26, 2024	TMO	Stock Option (Right to Buy)	Common Stock (2,000)	$210.68	Feb. 27, 2025	2,000	Disposed
April 26, 2024	TMO	Stock Option (Right to Buy)	Common Stock (2,000)	$210.68	Feb. 27, 2025	2,000	Disposed
Feb. 21, 2024	TMO	Stock Option (Right to Buy)	Common Stock (11,440)	$418.32	Sept. 9, 2027	11,440	Acquired
Feb. 21, 2024	TMO	Stock Option (Right to Buy)	Common Stock (4,990)	$552.85	Feb. 21, 2032	4,990	Acquired
Feb. 7, 2024	TMO	Stock Option (Right to Buy)	Common Stock (14,566)	$192.98	Jan. 2, 2025	14,566	Disposed
Feb. 22, 2023	TMO	Stock Option (Right to Buy)	Common Stock (3,766)	$548.40	Feb. 22, 2031	3,766	Acquired
Aug. 8, 2022	TMO	Stock Option (Right to Buy)	Common Stock (7,283)	$192.98	Jan. 2, 2025	7,283	Disposed
Feb. 23, 2022	TMO	Stock Option (Right to Buy)	Common Stock (3,984)	$528.58	Feb. 23, 2030	3,984	Acquired
Feb. 23, 2021	TMO	Stock Option (Right to Buy)	Common Stock (4,080)	$458.81	Feb. 23, 2028	4,080	Acquired
Feb. 23, 2021	TMO	Stock Option (Right to Buy)	Common Stock (14,566)	$192.98	Jan. 2, 2025	14,566	Acquired
Feb. 25, 2020	TMO	Stock Option (Right to Buy)	Common Stock (5,850)	$309.63	Feb. 25, 2027	5,850	Acquired
Feb. 26, 2019	TMO	Stock Option (Right to Buy)	Common Stock (7,450)	$253.99	Feb. 26, 2026	7,450	Acquired
Feb. 27, 2018	TMO	Stock Option (Right to Buy)	Common Stock (6,000)	$210.68	Feb. 27, 2025	6,000	Acquired
Jan. 2, 2018	TMO	Stock Option (Right to Buy)	Common Stock (7,283)	$192.98	Jan. 2, 2025	7,283	Acquired

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