[Form 4] Zai Lab Limited American Insider Trading Activity
Zai Lab director and CEO Du Ying reported exercising and selling American Depositary Shares (ADSs) in matched transactions. On 08/08/2025 and 08/11/2025 she exercised two separate blocks of 50,000 ADS-equivalent stock options each at an exercise price of $0.60 per ADS and contemporaneously sold the same amounts under a pre-existing Rule 10b5-1 trading plan adopted on November 20, 2024. The reported weighted-average sale prices were $34.7431 and $34.6363, with disclosed price ranges for each sale. Each ADS represents 10 ordinary shares. Following the reported transactions the Form 4 shows beneficial ownership of 536,962 ADSs and remaining derivative holdings of 96,387 stock options. The Form notes the options had fully vested as of October 22, 2020 and offers to provide per-price sale details to regulators or security holders.
La direttrice e CEO di Zai Lab, Du Ying, ha comunicato di aver esercitato e venduto American Depositary Shares (ADS) in transazioni abbinate. In data 08/08/2025 e 11/08/2025 ha esercitato due blocchi separati di 50.000 opzioni ciascuno, equivalenti ad ADS, al prezzo di esercizio di $0.60 per ADS e ha contestualmente venduto le stesse quantit脿 nell'ambito di un piano di trading Rule 10b5-1 preesistente adottato il 20 novembre 2024. I prezzi medi ponderati di vendita riportati sono stati $34.7431 e $34.6363, con intervalli di prezzo divulgati per ciascuna cessione. Ciascun ADS rappresenta 10 azioni ordinarie. A seguito delle operazioni, il modulo Form 4 indica una titolarit脿 beneficiaria di 536.962 ADS e restanti 96.387 opzioni su azioni. Il modulo segnala che le opzioni erano completamente maturate al 22 ottobre 2020 e offre di fornire ai regolatori o agli azionisti i dettagli dei prezzi di vendita per ogni operazione.
La directora y CEO de Zai Lab, Du Ying, inform贸 que ejerci贸 y vendi贸 American Depositary Shares (ADS) en transacciones compensadas. El 08/08/2025 y el 11/08/2025 ejerci贸 dos bloques separados de 50.000 opciones equivalentes por ADS cada uno, al precio de ejercicio de $0.60 por ADS, y simult谩neamente vendi贸 las mismas cantidades bajo un plan de negociaci贸n Rule 10b5-1 preexistente adoptado el 20 de noviembre de 2024. Los precios de venta ponderados promedio reportados fueron $34.7431 y $34.6363, con rangos de precios divulgados para cada venta. Cada ADS representa 10 acciones ordinarias. Tras las operaciones reportadas, el Formulario 4 muestra una propiedad beneficiaria de 536.962 ADS y tenencias derivadas restantes de 96.387 opciones. El formulario indica que las opciones estaban totalmente adquiridas el 22 de octubre de 2020 y ofrece proporcionar a reguladores o tenedores de valores los detalles de precio por venta.
Zai Lab 鞚挫偓 瓴� CEO 霌� 鞛�(Du Ying)鞚� 毵れ弓霅� 瓯半灅搿� American Depositary Shares (ADS)毳� 頄夓偓頃橁碃 毵る弰頃� 靷嫟鞚� 氤搓碃頄堨姷雼堧嫟. 08/08/2025 氚� 08/11/2025鞐� 臧侁皝 50,000 ADS 靸侂嫻鞚� 鞀ろ啞鞓奠厴 敫旊 霊� 瓯挫潉 ADS雼� 頄夓偓 臧�瓴� $0.60鞐� 頄夓偓頃橁碃, 2024雲� 11鞗� 20鞚�鞐� 毂勴儩霅� 旮办〈鞚� Rule 10b5-1 瓯半灅瓿勴殟鞐� 霐半澕 霃欖澕 靾橂焿鞚� 霃欖嫓 毵る弰頄堨姷雼堧嫟. 氤搓碃霅� 臧�欷戫弶攴� 毵る弰臧�瓴╈潃 $34.7431瓿� $34.6363鞚措┌, 臧� 毵る弰鞐� 雽�頃� 臧�瓴� 氩旍渼臧� 瓿店皽霅橃棃鞀惦媹雼�. 臧� ADS電� 氤错喌欤� 10欤�毳� 雮橅儉雰呺媹雼�. 氤搓碃霅� 瓯半灅 頉� Form 4鞐愲姅 536,962 ADS鞚� 鞁れ鞝� 靻岇湢鞕� 96,387臧滌潣 雮潃 韺岇儩 氤挫湢(鞀ろ啞鞓奠厴)臧� 旮办灛霅橃柎 鞛堨姷雼堧嫟. 頃措嫻 鞏戩嫕鞚� 鞓奠厴鞚� 2020雲� 10鞗� 22鞚�鞐� 鞕勳爠頌� 氩犾姢韺呺悩鞐堨潓鞚� 氇呾嫓頃橂┌, 攴滌牅 旮瓣磤鞚措倶 欤检＜鞐愱矊 毵る弰氤� 臧�瓴� 靹鸽秬 鞝曤炒毳� 鞝滉车頃橁矤雼り碃 氚濏瀳瓿� 鞛堨姷雼堧嫟.
La directrice et PDG de Zai Lab, Du Ying, a d茅clar茅 avoir exerc茅 et vendu des American Depositary Shares (ADS) dans le cadre de transactions appari茅es. Le 08/08/2025 et le 11/08/2025, elle a exerc茅 deux blocs distincts de 50 000 options 茅quivalentes en ADS au prix d'exercice de $0.60 par ADS et a simultan茅ment vendu les m锚mes montants dans le cadre d'un plan de trading Rule 10b5-1 pr茅existant adopt茅 le 20 novembre 2024. Les prix de vente moyens pond茅r茅s d茅clar茅s 茅taient de $34.7431 et $34.6363, avec des fourchettes de prix divulgu茅es pour chaque vente. Chaque ADS repr茅sente 10 actions ordinaires. 脌 la suite des op茅rations, le formulaire 4 indique une d茅tention b茅n茅ficiaire de 536 962 ADS et des avoirs d茅riv茅s restants de 96 387 options. Le formulaire pr茅cise que les options 茅taient enti猫rement acquises le 22 octobre 2020 et propose de fournir aux r茅gulateurs ou aux porteurs de titres les d茅tails des prix par vente.
Zai Lab-Direktorin und CEO Du Ying meldete die Aus眉bung und den Verkauf von American Depositary Shares (ADS) in ausgeglichenen Transaktionen. Am 08.08.2025 und 11.08.2025 眉bte sie jeweils zwei separate Bl枚cke von 50.000 ADS-盲quivalenten Aktienoptionen zum Aus眉bungspreis von $0.60 pro ADS aus und verkaufte zeitgleich dieselben Mengen im Rahmen eines bereits bestehenden Rule 10b5-1 Handelsplans, der am 20. November 2024 angenommen wurde. Die gemeldeten gewichteten Durchschnittsverkaufspreise lagen bei $34.7431 und $34.6363, mit offengelegten Preisspannen f眉r jede Transaktion. Jede ADS repr盲sentiert 10 Stammaktien. Nach den gemeldeten Transaktionen weist das Formular 4 eine wirtschaftliche Eigent眉merschaft von 536.962 ADS und verbleibende derivative Best盲nde von 96.387 Optionen aus. Das Formular vermerkt, dass die Optionen am 22. Oktober 2020 vollst盲ndig vested waren, und bietet an, Regulierungsbeh枚rden oder Wertpapierinhabern die preisbezogenen Details zu den einzelnen Verk盲ufen zur Verf眉gung zu stellen.
- Transactions were executed under a Rule 10b5-1 trading plan adopted on November 20, 2024, indicating pre-arranged sales
- Options exercised at $0.60 per ADS and sold at weighted-average prices around $34.74, realizing a substantial spread per ADS based on disclosed prices
- 100,000 ADSs were sold across the two reported transactions, reducing reported beneficial ownership to 536,962 ADSs
- Remaining derivative holdings decreased to 96,387 stock options after the reported exercises
Insights
TL;DR: Insider exercised low-strike options and sold equal ADS blocks under a 10b5-1 plan, realizing proceeds near $34.7 per ADS; ownership modestly reduced.
The filings show two matched exercise-and-sale events: 50,000 ADSs exercised at $0.60 and sold at a weighted average of $34.7431 on 08/08/2025, and a further 50,000 exercised at $0.60 and sold at a weighted average of $34.6363 on 08/11/2025. Transactions were executed pursuant to a 10b5-1 plan, which generally indicates preplanned sales rather than opportunistic trading. The filing discloses remaining beneficial ADS ownership of 536,962 and derivative holdings of 96,387 options. From a securities perspective this is a routine realization of gains from vested options, reported in compliance with Section 16.
TL;DR: Use of a documented 10b5-1 plan and clear disclosure of exercise, sale prices, and vesting supports governance and reporting transparency.
The Form 4 discloses that the trades were effected under a Rule 10b5-1 trading plan adopted on November 20, 2024, and that the stock options had fully vested on October 22, 2020. The filing provides weighted-average sale prices, price ranges, and offers further per-price details to the SEC, issuer, or holders, which reflects a high level of disclosure. The signature by an attorney-in-fact is noted on the form, indicating proper execution of reporting formalities. Governance implications are procedural rather than material market events based on the facts disclosed.
La direttrice e CEO di Zai Lab, Du Ying, ha comunicato di aver esercitato e venduto American Depositary Shares (ADS) in transazioni abbinate. In data 08/08/2025 e 11/08/2025 ha esercitato due blocchi separati di 50.000 opzioni ciascuno, equivalenti ad ADS, al prezzo di esercizio di $0.60 per ADS e ha contestualmente venduto le stesse quantit脿 nell'ambito di un piano di trading Rule 10b5-1 preesistente adottato il 20 novembre 2024. I prezzi medi ponderati di vendita riportati sono stati $34.7431 e $34.6363, con intervalli di prezzo divulgati per ciascuna cessione. Ciascun ADS rappresenta 10 azioni ordinarie. A seguito delle operazioni, il modulo Form 4 indica una titolarit脿 beneficiaria di 536.962 ADS e restanti 96.387 opzioni su azioni. Il modulo segnala che le opzioni erano completamente maturate al 22 ottobre 2020 e offre di fornire ai regolatori o agli azionisti i dettagli dei prezzi di vendita per ogni operazione.
La directora y CEO de Zai Lab, Du Ying, inform贸 que ejerci贸 y vendi贸 American Depositary Shares (ADS) en transacciones compensadas. El 08/08/2025 y el 11/08/2025 ejerci贸 dos bloques separados de 50.000 opciones equivalentes por ADS cada uno, al precio de ejercicio de $0.60 por ADS, y simult谩neamente vendi贸 las mismas cantidades bajo un plan de negociaci贸n Rule 10b5-1 preexistente adoptado el 20 de noviembre de 2024. Los precios de venta ponderados promedio reportados fueron $34.7431 y $34.6363, con rangos de precios divulgados para cada venta. Cada ADS representa 10 acciones ordinarias. Tras las operaciones reportadas, el Formulario 4 muestra una propiedad beneficiaria de 536.962 ADS y tenencias derivadas restantes de 96.387 opciones. El formulario indica que las opciones estaban totalmente adquiridas el 22 de octubre de 2020 y ofrece proporcionar a reguladores o tenedores de valores los detalles de precio por venta.
Zai Lab 鞚挫偓 瓴� CEO 霌� 鞛�(Du Ying)鞚� 毵れ弓霅� 瓯半灅搿� American Depositary Shares (ADS)毳� 頄夓偓頃橁碃 毵る弰頃� 靷嫟鞚� 氤搓碃頄堨姷雼堧嫟. 08/08/2025 氚� 08/11/2025鞐� 臧侁皝 50,000 ADS 靸侂嫻鞚� 鞀ろ啞鞓奠厴 敫旊 霊� 瓯挫潉 ADS雼� 頄夓偓 臧�瓴� $0.60鞐� 頄夓偓頃橁碃, 2024雲� 11鞗� 20鞚�鞐� 毂勴儩霅� 旮办〈鞚� Rule 10b5-1 瓯半灅瓿勴殟鞐� 霐半澕 霃欖澕 靾橂焿鞚� 霃欖嫓 毵る弰頄堨姷雼堧嫟. 氤搓碃霅� 臧�欷戫弶攴� 毵る弰臧�瓴╈潃 $34.7431瓿� $34.6363鞚措┌, 臧� 毵る弰鞐� 雽�頃� 臧�瓴� 氩旍渼臧� 瓿店皽霅橃棃鞀惦媹雼�. 臧� ADS電� 氤错喌欤� 10欤�毳� 雮橅儉雰呺媹雼�. 氤搓碃霅� 瓯半灅 頉� Form 4鞐愲姅 536,962 ADS鞚� 鞁れ鞝� 靻岇湢鞕� 96,387臧滌潣 雮潃 韺岇儩 氤挫湢(鞀ろ啞鞓奠厴)臧� 旮办灛霅橃柎 鞛堨姷雼堧嫟. 頃措嫻 鞏戩嫕鞚� 鞓奠厴鞚� 2020雲� 10鞗� 22鞚�鞐� 鞕勳爠頌� 氩犾姢韺呺悩鞐堨潓鞚� 氇呾嫓頃橂┌, 攴滌牅 旮瓣磤鞚措倶 欤检＜鞐愱矊 毵る弰氤� 臧�瓴� 靹鸽秬 鞝曤炒毳� 鞝滉车頃橁矤雼り碃 氚濏瀳瓿� 鞛堨姷雼堧嫟.
La directrice et PDG de Zai Lab, Du Ying, a d茅clar茅 avoir exerc茅 et vendu des American Depositary Shares (ADS) dans le cadre de transactions appari茅es. Le 08/08/2025 et le 11/08/2025, elle a exerc茅 deux blocs distincts de 50 000 options 茅quivalentes en ADS au prix d'exercice de $0.60 par ADS et a simultan茅ment vendu les m锚mes montants dans le cadre d'un plan de trading Rule 10b5-1 pr茅existant adopt茅 le 20 novembre 2024. Les prix de vente moyens pond茅r茅s d茅clar茅s 茅taient de $34.7431 et $34.6363, avec des fourchettes de prix divulgu茅es pour chaque vente. Chaque ADS repr茅sente 10 actions ordinaires. 脌 la suite des op茅rations, le formulaire 4 indique une d茅tention b茅n茅ficiaire de 536 962 ADS et des avoirs d茅riv茅s restants de 96 387 options. Le formulaire pr茅cise que les options 茅taient enti猫rement acquises le 22 octobre 2020 et propose de fournir aux r茅gulateurs ou aux porteurs de titres les d茅tails des prix par vente.
Zai Lab-Direktorin und CEO Du Ying meldete die Aus眉bung und den Verkauf von American Depositary Shares (ADS) in ausgeglichenen Transaktionen. Am 08.08.2025 und 11.08.2025 眉bte sie jeweils zwei separate Bl枚cke von 50.000 ADS-盲quivalenten Aktienoptionen zum Aus眉bungspreis von $0.60 pro ADS aus und verkaufte zeitgleich dieselben Mengen im Rahmen eines bereits bestehenden Rule 10b5-1 Handelsplans, der am 20. November 2024 angenommen wurde. Die gemeldeten gewichteten Durchschnittsverkaufspreise lagen bei $34.7431 und $34.6363, mit offengelegten Preisspannen f眉r jede Transaktion. Jede ADS repr盲sentiert 10 Stammaktien. Nach den gemeldeten Transaktionen weist das Formular 4 eine wirtschaftliche Eigent眉merschaft von 536.962 ADS und verbleibende derivative Best盲nde von 96.387 Optionen aus. Das Formular vermerkt, dass die Optionen am 22. Oktober 2020 vollst盲ndig vested waren, und bietet an, Regulierungsbeh枚rden oder Wertpapierinhabern die preisbezogenen Details zu den einzelnen Verk盲ufen zur Verf眉gung zu stellen.
FAQ
What insider transactions did Du Ying report for ZLAB?
What were the exercise and sale prices reported in the ZLAB Form 4?
How many ADSs does Du Ying beneficially own after these transactions?
Were the stock options vested before exercise?
Was a trading plan used for the sales in the ZLAB filing?
