Kai-Xian Chen

Insider

First SEC filing: Jan. 4, 2021 · Latest: Jan. 4, 2021

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 6 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

6 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Dec. 31, 2024	ZLAB	D	21,253	—	—	39,525 Direct	-34.97%	Disposed	(price as of 2026-08-21)
July 1, 2024	ZLAB	S	7,750	$17.22	$133,455	60,778 Direct	-11.31%	Disposed	51.0% (price as of 2026-08-21)
June 18, 2024	ZLAB	A	21,253	—	—	71,172 Direct	+42.57%	Acquired	(price as of 2026-08-21)
June 29, 2023	ZLAB	A	18,903	$26.45	$499,984	49,919 Direct	+60.95%	Acquired	-1.7% (price as of 2026-08-21)
Jan. 3, 2023	ZLAB	F	2,644	$30.70	$81,171	68,528 Direct	-3.71%	Disposed	-15.3% (price as of 2026-08-21)
Jan. 3, 2022	ZLAB	F	1,409	$62.18	$87,612	31,016 Direct	-4.35%	Disposed	-58.2% (price as of 2026-08-21)
March 12, 2021	ZLAB	S	4,302	$142.53	$613,164	24,662 Direct	-14.85%	Disposed	-81.8% (price as of 2026-08-21)
Jan. 15, 2021	ZLAB	A	3,852	—	—	28,964 Direct	+15.34%	Acquired	(price as of 2026-08-21)

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.

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

Date	Ticker	Security	Shares	Ownership
Jan. 4, 2021	ZLAB	Ordinary Shares	25,112	Direct