Arkolith/Insider Trading/ZLAB/Form 4

Du Ying

Chairperson & CEO, DirectorZai Lab Ltd (ZLAB) · full profile →Form 4 · filed Apr 3, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$114K
Net Open-Market Flow
-$114K
Transactions
8
4 non-derivative · 4 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Apr 2, 2026Option exercise(M)7K——1.1M
Apr 2, 2026Sell(S)6K$20.39$114K1.1M
Apr 1, 2026Option exercise(M)11K——1.1M
Apr 1, 2026Option exercise(M)3K——1.1M

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Apr 2, 2026Option exercise(M)7K—$014K
Apr 1, 2026Option exercise(M)11K—$011K
Apr 1, 2026Option exercise(M)3K—$00
Mar 4, 2026Grant(A)26K—$026K

Transaction Codes

M
Option exercise / conversion
S
Open-market sale
A
Grant / award

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0000905148-26-001544) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML