Yibing Mao

Insider

First SEC filing: Feb. 28, 2023 · Latest: Feb. 28, 2023

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

Insider transactions

0 buys (P) 1 sells (S) Net: $-1,674,620 + 20 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

20 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 13, 2026	MAR	S	4,816	$347.72	$1,674,620	27,398 Direct	-14.95%	Disposed	2.9% (price as of 2026-08-20)
Feb. 17, 2026	MAR	F	527	$358.30	$188,824	2,285 Direct	-18.74%	Disposed	-0.2% (price as of 2026-08-20)
Feb. 17, 2026	MAR	F	1,611	$358.30	$577,221	32,214 Direct	-4.76%	Disposed	-0.2% (price as of 2026-08-20)
Feb. 13, 2026	MAR	A	1,059	$354.63	$375,553	3,707 Direct	+39.99%	Acquired	0.9% (price as of 2026-08-20)
Feb. 13, 2026	MAR	A	3,039	—	—	3,039 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 11, 2026	MAR	A	4,712	—	—	32,900 Direct	+16.72%	Acquired	(price as of 2026-08-20)
Jan. 2, 2026	MAR	F	10	$311.65	$3,116	156 Direct	-6.02%	Disposed	14.8% (price as of 2026-08-20)
Dec. 31, 2025	MAR	A	1,865	$310.24	$578,598	28,188 Direct	+7.09%	Acquired	15.3% (price as of 2026-08-20)
Dec. 31, 2025	MAR	M	3,921	$310.24	$1,216,451	0 Direct	-100.00%	Disposed	15.3% (price as of 2026-08-20)
Feb. 18, 2025	MAR	F	227	$285.09	$64,715	2,648 Direct	-7.90%	Disposed	25.5% (price as of 2026-08-20)
Feb. 14, 2025	MAR	A	1,179	$286.82	$338,161	3,677 Direct	+47.20%	Acquired	24.7% (price as of 2026-08-20)
Feb. 14, 2025	MAR	A	3,561	—	—	3,561 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 2, 2025	MAR	F	10	$277.38	$2,774	196 Direct	-4.85%	Disposed	29.0% (price as of 2026-08-20)
Feb. 15, 2024	MAR	A	1,320	$238.87	$315,308	2,715 Direct	+94.62%	Acquired	49.7% (price as of 2026-08-20)
Feb. 15, 2024	MAR	F	217	$238.87	$51,835	2,498 Direct	-7.99%	Disposed	49.7% (price as of 2026-08-20)
Feb. 15, 2024	MAR	A	3,366	—	—	3,366 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 2, 2024	MAR	F	18	$223.89	$4,030	236 Direct	-7.09%	Disposed	59.8% (price as of 2026-08-20)
Feb. 24, 2023	MAR	A	1,767	$169.84	$300,107	2,162 Direct	+447.34%	Acquired	110.6% (price as of 2026-08-20)
Feb. 24, 2023	MAR	A	5,175	$169.84	$878,922	5,175 Direct	—	Acquired	110.6% (price as of 2026-08-20)
May 12, 2022	LVS	A	5,806	$30.14	$174,993	5,806 Direct	—	Acquired	54.3% (price as of 2026-08-20)
July 16, 2021	LVS	A	7,363	—	—	7,363 Direct	—	Acquired	(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
Feb. 13, 2026	MAR	Stock Appreciation Rights	Class A Common Stock (3,039)	$354.63	Feb. 13, 2036	3,039	Acquired
Dec. 31, 2025	MAR	Stock Appreciation Rights	Class A Common Stock (3,921)	$66.86	Jan. 1, 2026	3,921	Disposed
Feb. 14, 2025	MAR	Stock Appreciation Rights	Class A Common Stock (3,561)	$286.82	Feb. 14, 2035	3,561	Acquired
Feb. 15, 2024	MAR	Stock Appreciation Rights	Class A Common Stock (3,366)	$238.87	Feb. 15, 2034	3,366	Acquired
Feb. 24, 2023	MAR	Stock Appreciation Rights	Class A Common Stock (5,175)	$169.84	Feb. 24, 2033	5,175	Acquired
July 16, 2021	LVS	Option (Right to Buy)	Common Stock (7,363)	$47.82	July 15, 2031	7,363	Acquired

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

Initial ownership (Form 3) 5 holdings

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

Date	Ticker	Security	Shares	Ownership
Feb. 28, 2023	MAR	Class A Common - Restricted Stock Units	395	Indirect
Feb. 28, 2023	MAR	Class A Common Stock	24,702	Direct
Feb. 28, 2023	MAR	Class A Common Stock - Deferred Stock Bonus Award	276	Indirect
Feb. 28, 2023	MAR	Stock Appreciation Rights→ Class A Common Stock (3,921)	3,921	Direct
July 20, 2021	LVS	No securities are beneficially owned	0	Direct