David Ming-Teh Liu

Insider

First SEC filing: July 28, 2016 · Latest: Feb. 13, 2020

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 8 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

8 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 1, 2020	MMSI	M	6,300	$21.71	$136,773	6,300 Direct	—	Acquired	322.8% (price as of 2026-08-20)
June 1, 2020	MMSI	M	7,500	$34.40	$258,000	13,800 Direct	+119.05%	Acquired	166.8% (price as of 2026-08-20)
June 1, 2020	MMSI	S	13,800	$45.00	$621,000	0 Direct	-100.00%	Disposed	104.0% (price as of 2026-08-20)
June 1, 2020	MMSI	M	6,300	—	—	4,200 Direct	-60.00%	Disposed	(price as of 2026-08-20)
June 1, 2020	MMSI	M	7,500	—	—	5,000 Direct	-60.00%	Disposed	(price as of 2026-08-20)
May 31, 2019	MMSI	A	7,500	—	—	7,500 Direct	—	Acquired	(price as of 2026-08-20)
May 24, 2019	MMSI	A	13,750	—	—	13,750 Direct	—	Acquired	(price as of 2026-08-20)
June 7, 2018	MMSI	A	25,000	—	—	25,000 Direct	—	Acquired	(price as of 2026-08-20)
May 24, 2017	MMSI	A	25,000	—	—	25,000 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.

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
June 1, 2020	MMSI	Non-qualified stock options (right to buy)	Common Stock (6,300)	$21.71	July 25, 2023	6,300	Disposed
June 1, 2020	MMSI	Non-qualified stock options (right to buy)	Common Stock (7,500)	$34.40	May 24, 2024	7,500	Disposed
May 31, 2019	MMSI	Non-qualified stock options (right to buy)	Common Stock (7,500)	$52.17	May 31, 2026	7,500	Acquired
May 24, 2019	MMSI	Non-qualified stock options (right to buy)	Common Stock (13,750)	$52.17	May 24, 2026	13,750	Acquired
June 7, 2018	MMSI	Common Stock	Common Stock (25,000)	$50.50	June 7, 2025	25,000	Acquired
May 24, 2017	MMSI	Non-qualified stock options (right to buy)	Common stock (25,000)	$34.40	May 24, 2024	25,000	Acquired

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

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

Date	Ticker	Security	Shares	Ownership
July 28, 2016	MMSI	Non-qualified stock options (right to buy)→ Common Stock (21,000)	21,000	Direct