Nelson Chai

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.

Insider at

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
May 21, 2026	CB	F	193	$330.26	$63,740	1,797 Direct	-9.70%	Disposed	3.6% (price as of 2026-08-20)
May 21, 2026	CB	A	681	—	—	1,990 Direct	+52.02%	Acquired	(price as of 2026-08-20)
May 20, 2026	TMO	A	499	—	—	15,316 Direct	+3.37%	Acquired	(price as of 2026-08-20)
May 21, 2025	TMO	A	565	—	—	14,817 Direct	+3.96%	Acquired	(price as of 2026-08-20)
May 15, 2025	CB	F	180	$292.05	$52,569	1,309 Direct	-12.09%	Disposed	17.1% (price as of 2026-08-20)
May 15, 2025	CB	A	771	—	—	1,489 Direct	+107.38%	Acquired	(price as of 2026-08-20)
Feb. 19, 2025	TMO	S	16	$528.09	$8,449	14,252 Direct	-0.11%	Disposed	17.3% (price as of 2026-08-20)
Dec. 9, 2024	TMO	P	4	$535.93	$2,144	14,268 Direct	+0.03%	Acquired	15.6% (price as of 2026-08-20)
Nov. 7, 2024	TMO	P	16	$555.89	$8,894	14,264 Direct	+0.11%	Acquired	11.5% (price as of 2026-08-20)
May 22, 2024	TMO	A	339	—	—	14,248 Direct	+2.44%	Acquired	(price as of 2026-08-20)
May 16, 2024	CB	A	718	—	—	718 Direct	—	Acquired	(price as of 2026-08-20)
May 24, 2023	TMO	A	392	—	—	13,909 Direct	+2.90%	Acquired	(price as of 2026-08-20)
May 18, 2022	TMO	A	369	—	—	13,517 Direct	+2.81%	Acquired	(price as of 2026-08-20)
May 19, 2021	TMO	A	438	—	—	13,148 Direct	+3.45%	Acquired	(price as of 2026-08-20)
May 20, 2020	TMO	A	572	—	—	12,710 Direct	+4.71%	Acquired	(price as of 2026-08-20)
May 22, 2019	TMO	A	718	—	—	12,138 Direct	+6.29%	Acquired	(price as of 2026-08-20)
May 9, 2019	UBER	A	246,305	—	—	246,305 Direct	—	Acquired	(price as of 2026-08-20)
May 23, 2018	TMO	A	809	—	—	11,420 Direct	+7.62%	Acquired	(price as of 2026-08-20)
May 17, 2017	TMO	A	1,024	—	—	10,611 Direct	+10.68%	Acquired	(price as of 2026-08-20)
May 18, 2016	TMO	A	1,000	—	—	9,587 Direct	+11.65%	Acquired	(price as of 2026-08-20)
May 20, 2015	TMO	A	1,137	—	—	8,587 Direct	+15.26%	Acquired	(price as of 2026-08-20)
May 20, 2014	TMO	A	1,311	—	—	7,450 Direct	+21.36%	Acquired	(price as of 2026-08-20)
May 22, 2013	TMO	A	1,739	—	—	6,139 Direct	+39.52%	Acquired	(price as of 2026-08-20)
May 23, 2012	TMO	A	2,452	—	—	4,400 Direct	+125.87%	Acquired	(price as of 2026-08-20)
May 25, 2011	TMO	A	1,948	—	—	1,948 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 1, 2009	65100	D	270,000	—	—	0 Direct	-100.00%	Disposed
Jan. 1, 2009	65100	D	8,832	—	—	0 Direct	-100.00%	Disposed
Jan. 1, 2009	65100	D	142,851	—	—	0 Direct	-100.00%	Disposed
July 29, 2008	65100	P	22,700	$22.50	$510,750	142,851 Direct	+18.89%	Acquired
June 1, 2008	65100	F	1,310	$44.04	$57,692	120,151 Direct	-1.08%	Disposed
Jan. 28, 2008	65100	A	22,485	—	—	121,462 Direct	+22.72%	Acquired
Dec. 10, 2007	65100	A	8,832	—	—	8,832 Direct	—	Acquired
Dec. 10, 2007	65100	A	270,000	—	—	270,000 Direct	—	Acquired
Dec. 10, 2007	65100	A	98,977	—	—	98,977 Direct	—	Acquired

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
Jan. 1, 2009	65100	Stock Option (Right to Buy)	Common Stock (270,000)	$62.32	Dec. 10, 2017	270,000	Disposed
Jan. 1, 2009	65100	Stock Option (Right to Buy)	Common Stock (8,832)	$62.32	Feb. 3, 2017	8,832	Disposed
Dec. 10, 2007	65100	Stock Option - Right to Acquire	Common Stock (8,832)	$62.32	Feb. 3, 2017	8,832	Acquired
Dec. 10, 2007	65100	Stock Option - Right to Acquire	Common Stock (270,000)	$62.32	Dec. 10, 2017	270,000	Acquired

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