STOCK TITAN

[Form 4] Zai Lab Limited American Insider Trading Activity

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4
Rhea-AI Filing Summary

Form 4 Overview – Zai Lab Ltd (ZLAB)

The filing discloses that director Dr. John D. Diekman received a grant of 10,831 American Depositary Shares (ADSs) of Zai Lab on 18 June 2025. Each ADS represents ten ordinary shares. The grant was recorded with a transaction code “A”, indicating an acquisition.

Key transaction terms

  • Type: Restricted stock award
  • Cost basis: $0 per ADS (no cash payment required)
  • Vesting: Shares vest in full on 18 June 2026, contingent on Dr. Diekman’s continued board service.
  • Post-transaction holdings: 99,769 ADSs held directly after the award.

No derivative securities, sales, or option exercises were reported in this filing. The grant appears to be routine director equity compensation and does not stem from a Rule 10b5-1 trading plan.

Investor takeaway

The award modestly increases insider ownership and signals continued board alignment with shareholders, but it is not a market purchase. Because the shares are subject to a one-year vesting schedule and were issued at no cost, the filing is generally considered neutral‐to-positive in sentiment and immaterial to near-term valuation.

Panoramica del Modulo 4 – Zai Lab Ltd (ZLAB)

Il documento rivela che il direttore Dott. John D. Diekman ha ricevuto una concessione di 10.831 American Depositary Shares (ADS) di Zai Lab in data 18 giugno 2025. Ogni ADS rappresenta dieci azioni ordinarie. La concessione è stata registrata con il codice transazione “A”, che indica un'acquisizione.

Termini principali della transazione

  • Tipo: Assegnazione di azioni vincolate
  • Prezzo di costo: $0 per ADS (nessun pagamento in contanti richiesto)
  • Vesting: Le azioni maturano completamente il 18 giugno 2026, subordinatamente al proseguimento del servizio del Dott. Diekman nel consiglio di amministrazione.
  • Detenzione post-transazione: 99.769 ADS detenute direttamente dopo l’assegnazione.

Non sono stati segnalati titoli derivati, vendite o esercizi di opzioni in questa comunicazione. La concessione sembra essere una normale forma di compensazione azionaria per direttori e non deriva da un piano di trading secondo la Regola 10b5-1.

Considerazioni per gli investitori

L’assegnazione aumenta moderatamente la proprietà interna e indica un allineamento continuo del consiglio con gli azionisti, ma non rappresenta un acquisto sul mercato. Poiché le azioni sono soggette a un periodo di maturazione di un anno e sono state emesse senza costo, la comunicazione è generalmente considerata neutrale o positiva nel sentiment e irrilevante per la valutazione a breve termine.

Resumen del Formulario 4 – Zai Lab Ltd (ZLAB)

La presentación revela que el director Dr. John D. Diekman recibió una concesión de 10,831 American Depositary Shares (ADS) de Zai Lab el 18 de junio de 2025. Cada ADS representa diez acciones ordinarias. La concesión se registró con el código de transacción “A”, que indica una adquisición.

Términos clave de la transacción

  • Tipo: Premio de acciones restringidas
  • Base de costo: $0 por ADS (sin pago en efectivo requerido)
  • Consolidación: Las acciones se consolidan completamente el 18 de junio de 2026, condicionado al servicio continuo del Dr. Diekman en la junta directiva.
  • Tenencia después de la transacción: 99,769 ADS mantenidas directamente tras la concesión.

No se reportaron valores derivados, ventas ni ejercicios de opciones en esta presentación. La concesión parece ser una compensación accionaria rutinaria para directores y no proviene de un plan de negociación bajo la Regla 10b5-1.

Conclusión para inversores

El premio incrementa modestamente la propiedad interna y señala una alineación continua del consejo con los accionistas, pero no es una compra de mercado. Dado que las acciones están sujetas a un período de consolidación de un año y se emitieron sin costo, la presentación se considera generalmente neutral a positiva en sentimiento y insignificante para la valoración a corto plazo.

서식 4 개요 – Zai Lab Ltd (ZLAB)

공시 내용에 따르면 이사 Dr. John D. Diekman2025년 6월 18일에 Zai Lab의 10,831 미국예탁증서(ADS)를 부여받았습니다. 각 ADS는 보통주 10주를 나타냅니다. 이 부여는 거래 코드 “A”로 기록되었으며, 이는 취득을 의미합니다.

주요 거래 조건

  • 유형: 제한 주식 보상
  • 취득 원가: ADS당 $0 (현금 지급 불필요)
  • 권리확정: 주식은 2026년 6월 18일에 전액 권리확정되며, Dr. Diekman의 이사회 지속 근무가 조건입니다.
  • 거래 후 보유: 부여 후 직접 보유한 99,769 ADS

이 공시에서는 파생증권, 매도 또는 옵션 행사 내역이 보고되지 않았습니다. 이 부여는 일반적인 이사 주식 보상으로 보이며, Rule 10b5-1 거래 계획에 따른 것은 아닙니다.

투자자 시사점

이번 보상은 내부자 지분을 소폭 증가시키고 이사회와 주주 간 지속적인 정렬을 나타내지만, 시장 매수는 아닙니다. 주식이 1년 권리확정 기간에 있으며 무상으로 발행되었기 때문에, 이 공시는 일반적으로 중립에서 긍정적인 정서로 평가되며 단기 가치 평가에는 중요하지 않은 사항입니다.

Présentation du Formulaire 4 – Zai Lab Ltd (ZLAB)

Le dépôt révèle que le directeur Dr John D. Diekman a reçu une attribution de 10 831 American Depositary Shares (ADS) de Zai Lab le 18 juin 2025. Chaque ADS représente dix actions ordinaires. L’attribution a été enregistrée avec le code de transaction « A », indiquant une acquisition.

Principaux termes de la transaction

  • Type : Attribution d’actions restreintes
  • Coût de revient : 0 $ par ADS (aucun paiement en espèces requis)
  • Acquisition des droits : Les actions seront entièrement acquises le 18 juin 2026, sous réserve que le Dr Diekman continue à siéger au conseil d’administration.
  • Détentions après la transaction : 99 769 ADS détenues directement après l’attribution.

Aucun titre dérivé, vente ou exercice d’option n’a été signalé dans ce dépôt. L’attribution semble être une compensation en actions habituelle pour un administrateur et ne résulte pas d’un plan de négociation selon la règle 10b5-1.

Conclusion pour les investisseurs

L’attribution augmente modestement la participation des initiés et indique un alignement continu du conseil avec les actionnaires, mais ce n’est pas un achat sur le marché. Étant donné que les actions sont soumises à une période d’acquisition d’un an et ont été émises sans coût, le dépôt est généralement considéré comme neutre à positif en termes de sentiment et peu significatif pour l’évaluation à court terme.

Formular 4 Übersicht – Zai Lab Ltd (ZLAB)

Die Einreichung offenbart, dass der Direktor Dr. John D. Diekman am 18. Juni 2025 eine Zuteilung von 10.831 American Depositary Shares (ADS) von Zai Lab erhalten hat. Jede ADS steht für zehn Stammaktien. Die Zuteilung wurde mit dem Transaktionscode „A“ erfasst, was auf einen Erwerb hinweist.

Wichtige Transaktionsbedingungen

  • Typ: Eingeschränkte Aktienzuteilung
  • Kostenbasis: 0 $ pro ADS (keine Barzahlung erforderlich)
  • Vesting: Die Aktien werden am 18. Juni 2026 vollständig übertragen, vorausgesetzt, Dr. Diekman bleibt im Vorstand.
  • Bestände nach der Transaktion: 99.769 ADS, die direkt nach der Zuteilung gehalten werden.

Es wurden keine derivativen Wertpapiere, Verkäufe oder Optionsausübungen in dieser Einreichung gemeldet. Die Zuteilung scheint eine routinemäßige Aktienvergütung für Direktoren zu sein und stammt nicht aus einem Handelsplan gemäß Regel 10b5-1.

Investorenausblick

Die Zuteilung erhöht den Insiderbesitz leicht und signalisiert eine fortgesetzte Ausrichtung des Vorstands auf die Aktionäre, ist jedoch kein Marktkauf. Da die Aktien einer einjährigen Vesting-Periode unterliegen und ohne Kosten ausgegeben wurden, wird die Einreichung allgemein als neutral bis positiv in der Stimmung und unwesentlich für die kurzfristige Bewertung angesehen.

Positive
  • Director’s ownership increases by 10,831 ADSs, modestly enhancing insider alignment with shareholders.
Negative
  • None.

Insights

TL;DR: Routine director stock grant; minimal market impact.

Dr. Diekman’s 10,831-ADS restricted stock award is typical annual board compensation. The zero-cost grant lifts his direct stake to 99,769 ADSs, but because the shares vest over one year and involve no cash outlay, the filing does not change Zai Lab’s financial profile or float materially. Insider alignment edges higher, yet absence of an open-market purchase tempers any bullish signal. Impact on valuation, liquidity, or governance risk is therefore negligible.

Panoramica del Modulo 4 – Zai Lab Ltd (ZLAB)

Il documento rivela che il direttore Dott. John D. Diekman ha ricevuto una concessione di 10.831 American Depositary Shares (ADS) di Zai Lab in data 18 giugno 2025. Ogni ADS rappresenta dieci azioni ordinarie. La concessione è stata registrata con il codice transazione “A”, che indica un'acquisizione.

Termini principali della transazione

  • Tipo: Assegnazione di azioni vincolate
  • Prezzo di costo: $0 per ADS (nessun pagamento in contanti richiesto)
  • Vesting: Le azioni maturano completamente il 18 giugno 2026, subordinatamente al proseguimento del servizio del Dott. Diekman nel consiglio di amministrazione.
  • Detenzione post-transazione: 99.769 ADS detenute direttamente dopo l’assegnazione.

Non sono stati segnalati titoli derivati, vendite o esercizi di opzioni in questa comunicazione. La concessione sembra essere una normale forma di compensazione azionaria per direttori e non deriva da un piano di trading secondo la Regola 10b5-1.

Considerazioni per gli investitori

L’assegnazione aumenta moderatamente la proprietà interna e indica un allineamento continuo del consiglio con gli azionisti, ma non rappresenta un acquisto sul mercato. Poiché le azioni sono soggette a un periodo di maturazione di un anno e sono state emesse senza costo, la comunicazione è generalmente considerata neutrale o positiva nel sentiment e irrilevante per la valutazione a breve termine.

Resumen del Formulario 4 – Zai Lab Ltd (ZLAB)

La presentación revela que el director Dr. John D. Diekman recibió una concesión de 10,831 American Depositary Shares (ADS) de Zai Lab el 18 de junio de 2025. Cada ADS representa diez acciones ordinarias. La concesión se registró con el código de transacción “A”, que indica una adquisición.

Términos clave de la transacción

  • Tipo: Premio de acciones restringidas
  • Base de costo: $0 por ADS (sin pago en efectivo requerido)
  • Consolidación: Las acciones se consolidan completamente el 18 de junio de 2026, condicionado al servicio continuo del Dr. Diekman en la junta directiva.
  • Tenencia después de la transacción: 99,769 ADS mantenidas directamente tras la concesión.

No se reportaron valores derivados, ventas ni ejercicios de opciones en esta presentación. La concesión parece ser una compensación accionaria rutinaria para directores y no proviene de un plan de negociación bajo la Regla 10b5-1.

Conclusión para inversores

El premio incrementa modestamente la propiedad interna y señala una alineación continua del consejo con los accionistas, pero no es una compra de mercado. Dado que las acciones están sujetas a un período de consolidación de un año y se emitieron sin costo, la presentación se considera generalmente neutral a positiva en sentimiento y insignificante para la valoración a corto plazo.

서식 4 개요 – Zai Lab Ltd (ZLAB)

공시 내용에 따르면 이사 Dr. John D. Diekman2025년 6월 18일에 Zai Lab의 10,831 미국예탁증서(ADS)를 부여받았습니다. 각 ADS는 보통주 10주를 나타냅니다. 이 부여는 거래 코드 “A”로 기록되었으며, 이는 취득을 의미합니다.

주요 거래 조건

  • 유형: 제한 주식 보상
  • 취득 원가: ADS당 $0 (현금 지급 불필요)
  • 권리확정: 주식은 2026년 6월 18일에 전액 권리확정되며, Dr. Diekman의 이사회 지속 근무가 조건입니다.
  • 거래 후 보유: 부여 후 직접 보유한 99,769 ADS

이 공시에서는 파생증권, 매도 또는 옵션 행사 내역이 보고되지 않았습니다. 이 부여는 일반적인 이사 주식 보상으로 보이며, Rule 10b5-1 거래 계획에 따른 것은 아닙니다.

투자자 시사점

이번 보상은 내부자 지분을 소폭 증가시키고 이사회와 주주 간 지속적인 정렬을 나타내지만, 시장 매수는 아닙니다. 주식이 1년 권리확정 기간에 있으며 무상으로 발행되었기 때문에, 이 공시는 일반적으로 중립에서 긍정적인 정서로 평가되며 단기 가치 평가에는 중요하지 않은 사항입니다.

Présentation du Formulaire 4 – Zai Lab Ltd (ZLAB)

Le dépôt révèle que le directeur Dr John D. Diekman a reçu une attribution de 10 831 American Depositary Shares (ADS) de Zai Lab le 18 juin 2025. Chaque ADS représente dix actions ordinaires. L’attribution a été enregistrée avec le code de transaction « A », indiquant une acquisition.

Principaux termes de la transaction

  • Type : Attribution d’actions restreintes
  • Coût de revient : 0 $ par ADS (aucun paiement en espèces requis)
  • Acquisition des droits : Les actions seront entièrement acquises le 18 juin 2026, sous réserve que le Dr Diekman continue à siéger au conseil d’administration.
  • Détentions après la transaction : 99 769 ADS détenues directement après l’attribution.

Aucun titre dérivé, vente ou exercice d’option n’a été signalé dans ce dépôt. L’attribution semble être une compensation en actions habituelle pour un administrateur et ne résulte pas d’un plan de négociation selon la règle 10b5-1.

Conclusion pour les investisseurs

L’attribution augmente modestement la participation des initiés et indique un alignement continu du conseil avec les actionnaires, mais ce n’est pas un achat sur le marché. Étant donné que les actions sont soumises à une période d’acquisition d’un an et ont été émises sans coût, le dépôt est généralement considéré comme neutre à positif en termes de sentiment et peu significatif pour l’évaluation à court terme.

Formular 4 Übersicht – Zai Lab Ltd (ZLAB)

Die Einreichung offenbart, dass der Direktor Dr. John D. Diekman am 18. Juni 2025 eine Zuteilung von 10.831 American Depositary Shares (ADS) von Zai Lab erhalten hat. Jede ADS steht für zehn Stammaktien. Die Zuteilung wurde mit dem Transaktionscode „A“ erfasst, was auf einen Erwerb hinweist.

Wichtige Transaktionsbedingungen

  • Typ: Eingeschränkte Aktienzuteilung
  • Kostenbasis: 0 $ pro ADS (keine Barzahlung erforderlich)
  • Vesting: Die Aktien werden am 18. Juni 2026 vollständig übertragen, vorausgesetzt, Dr. Diekman bleibt im Vorstand.
  • Bestände nach der Transaktion: 99.769 ADS, die direkt nach der Zuteilung gehalten werden.

Es wurden keine derivativen Wertpapiere, Verkäufe oder Optionsausübungen in dieser Einreichung gemeldet. Die Zuteilung scheint eine routinemäßige Aktienvergütung für Direktoren zu sein und stammt nicht aus einem Handelsplan gemäß Regel 10b5-1.

Investorenausblick

Die Zuteilung erhöht den Insiderbesitz leicht und signalisiert eine fortgesetzte Ausrichtung des Vorstands auf die Aktionäre, ist jedoch kein Marktkauf. Da die Aktien einer einjährigen Vesting-Periode unterliegen und ohne Kosten ausgegeben wurden, wird die Einreichung allgemein als neutral bis positiv in der Stimmung und unwesentlich für die kurzfristige Bewertung angesehen.

SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
DIEKMAN JOHN D

(Last) (First) (Middle)
C/O ZAI LAB LIMITED
314 MAIN STREET, 4TH FLOOR, SUITE 100

(Street)
CAMBRIDGE MA 02142

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Zai Lab Ltd [ ZLAB ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
06/18/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
American Depositary Shares(1) 06/18/2025 A 10,831(2) A $0 99,769 D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Explanation of Responses:
1. Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.
2. Represents restricted shares that vest in full on June 18, 2026, subject to the Reporting Person's continued service as a member of the issuer's board of directors through such vesting date.
/s/ Bruce Blefeld, Attorney-in-Fact 06/23/2025
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

How many ZLAB ADSs did Dr. Diekman acquire on 18 June 2025?

10,831 ADSs were granted to the director.

What was the purchase price for the shares reported in the Form 4?

The restricted stock award was issued at $0 cost to the reporting person.

When will the newly granted ZLAB shares vest?

They vest in full on 18 June 2026, subject to continued board service.

What is Dr. Diekman’s total direct ownership after the transaction?

He now directly owns 99,769 ADSs.

Does this Form 4 filing involve any derivative securities or option exercises?

No. The filing reports only a restricted stock grant; no derivatives were involved.
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