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[SCHEDULE 13G/A] Celldex Therapeutics, Inc SEC Filing

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Form Type
SCHEDULE 13G/A
Rhea-AI Filing Summary

This Schedule 13G/A reports that Eventide Asset Management, LLC and two individuals, Finny Kuruvilla, M.D., Ph.D. and Robin C. John, each are associated with an aggregate beneficial ownership of 1,356,186 shares of Celldex Therapeutics common stock, representing 2.0% of the class. The filing cites the date of event requiring filing as 06/30/2025 and contains signatures dated 08/14/2025.

Eventide is reported with sole voting and sole dispositive power over 1,356,186 shares, while Kuruvilla and John are reported with shared voting and shared dispositive power over the same 1,356,186 shares. Item 5 explicitly states this is an ownership of 5 percent or less of a class.

The filing identifies Eventide as organized in Delaware and lists the filers' address as One International Place, Suite 4210, Boston, Massachusetts. The exhibit includes a joint filing agreement executed August 14, 2025, and Item 10 contains a certification that the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of the issuer.

Questo Schedule 13G/A segnala che Eventide Asset Management, LLC e due persone fisiche, Finny Kuruvilla, M.D., Ph.D. e Robin C. John, risultano ciascuno associati a una detenzione beneficiaria complessiva di 1.356.186 azioni ordinarie di Celldex Therapeutics, corrispondente al 2,0% della categoria. Nel documento viene indicata come data dell'evento che ha reso necessaria la presentazione il 30/06/2025 e le firme sono datate 14/08/2025.

Eventide è riportata con potere di voto esclusivo e potere dispositvo esclusivo su 1.356.186 azioni, mentre Kuruvilla e John risultano avere potere di voto condiviso e potere dispositvo condiviso sulle stesse 1.356.186 azioni. L'Elemento 5 dichiara esplicitamente che si tratta di una partecipazione pari al 5% o inferiore di una classe.

La segnalazione identifica Eventide come costituita nel Delaware e riporta l'indirizzo dei soggetti che presentano la dichiarazione in One International Place, Suite 4210, Boston, Massachusetts. L'allegato comprende un accordo di deposito congiunto sottoscritto il 14 agosto 2025, e l'Elemento 10 contiene la certificazione che i titoli sono stati acquisiti e sono detenuti nell'ordinario corso dell'attività, senza scopo di modificare o influenzare il controllo dell'emittente.

Este Schedule 13G/A informa que Eventide Asset Management, LLC y dos personas, Finny Kuruvilla, M.D., Ph.D. y Robin C. John, están cada uno asociados a una titularidad beneficiaria agregada de 1.356.186 acciones ordinarias de Celldex Therapeutics, que representan el 2,0% de la clase. La presentación cita como fecha del hecho que exige la presentación el 30/06/2025 y contiene firmas con fecha 14/08/2025.

Se informa que Eventide tiene el poder exclusivo de voto y el poder exclusivo dispositvo sobre 1.356.186 acciones, mientras que Kuruvilla y John figuran con poder de voto compartido y poder dispositvo compartido sobre esas mismas 1.356.186 acciones. El Punto 5 declara explícitamente que se trata de una participación del 5 por ciento o menos de una clase.

La presentación identifica a Eventide como constituida en el Delaware y facilita la dirección de los declarante en One International Place, Suite 4210, Boston, Massachusetts. El anexo incluye un acuerdo de presentación conjunta suscrito el 14 de agosto de 2025, y el Punto 10 contiene la certificación de que los valores fueron adquiridos y se mantienen en el curso ordinario del negocio y no con el propósito de cambiar o influir en el control del emisor.

ì� Schedule 13G/AëŠ� Eventide Asset Management, LLC와 ë‘� ê°œì¸ì� Finny Kuruvilla, M.D., Ph.D. ë°� Robin C. Johnì� ê°ê° Celldex Therapeuticsì� 보통ì£� ì´� 1,356,186ì£�ë¥� ì§‘í•©ì ìœ¼ë¡� 보유하여 해당 í´ëž˜ìŠ¤ì˜ 2.0%ë¥� 차지하고 있ìŒì� 보고합니ë‹�. 제출ì� 요구ë˜ëŠ” 사건 ë°œìƒì¼ì€ 2025ë…� 6ì›� 30ì�ë¡� 기재ë˜ì–´ 있으ë©�, ì„œëª…ì€ 2025ë…� 8ì›� 14ì�ìžë¡œ ë˜ì–´ 있습니다.

EventideëŠ� 1,356,186ì£¼ì— ëŒ€í•� ë‹¨ë… ì˜ê²°ê¶� ë°� ë‹¨ë… ì²˜ë¶„ê¶�ì� 보유í•� 것으ë¡� ë³´ê³ ë˜ì—ˆê³�, Kuruvilla와 Johnì€ ë™ì¼í•� 1,356,186ì£¼ì— ëŒ€í•� ê³µë™ ì˜ê²°ê¶� ë°� ê³µë™ ì²˜ë¶„ê¶�ì� 보유í•� 것으ë¡� ë³´ê³ ë˜ì—ˆìŠµë‹ˆë‹�. 항목 5ì—는 명시ì ìœ¼ë¡� ì´ê²ƒì� í´ëž˜ìŠ¤ì˜ 5% ì´í•˜ì� ë³´ìœ ìž„ì´ ê¸°ìž¬ë˜ì–´ 있습니다.

신고서는 Eventideê°€ ë¸ë¼ì›¨ì–´(¶Ù±ð±ô²¹·É²¹°ù±ð)ì—� 설립ë˜ì—ˆìŒì„ ì‹ë³„하고, ì‹ ê³ ì¸ë“¤ì� 주소ë¥� One International Place, Suite 4210, Boston, Massachusettsë¡� 기재합니ë‹�. 첨부문서ì—는 2025ë…� 8ì›� 14ì¼ì— ì²´ê²°ë� ê³µë™ ì œì¶œ 계약ì� í¬í•¨ë˜ì–´ 있으ë©�, 항목 10ì—는 ì¦ê¶Œì� ì˜ì—…ì� 통ìƒì ì¸ 범위ì—서 취듷보유ë˜ì—ˆìœ¼ë©° 발행ì¸ì˜ 지배권 ë³€ê²� ë˜ëŠ” ì˜í–¥ë ¥ì„ 행사í•� 목ì ì� 아님ì� 확ì¸í•˜ëŠ” ì¸ì¦ì� í¬í•¨ë˜ì–´ 있습니다.

Ce Schedule 13G/A indique que Eventide Asset Management, LLC et deux individus, Finny Kuruvilla, M.D., Ph.D. et Robin C. John, sont chacun associés à une détention bénéficiaire agrégée de 1 356 186 actions ordinaires de Celldex Therapeutics, représentant 2,0% de la catégorie. La date de l'événement nécessitant le dépôt est mentionnée comme 30/06/2025 et les signatures sont datées du 14/08/2025.

Il est indiqué qu'Eventide détient le pouvoir de vote exclusif et le pouvoir discrétionnaire exclusif sur 1 356 186 actions, tandis que Kuruvilla et John disposent du pouvoir de vote partagé et du pouvoir discrétionnaire partagé sur ces mêmes 1 356 186 actions. L'Item 5 précise explicitement qu'il s'agit d'une participation de 5 % ou moins d'une catégorie.

Le dépôt identifie Eventide comme constituée dans le Delaware et indique l'adresse des déclarants : One International Place, Suite 4210, Boston, Massachusetts. L'annexe comprend un accord de dépôt conjoint signé le 14 août 2025, et l'Item 10 contient une attestation selon laquelle les titres ont été acquis et sont détenus dans le cours normal des affaires et non dans le but de modifier ou d'influencer le contrôle de l'émetteur.

Dieses Schedule 13G/A meldet, dass Eventide Asset Management, LLC und zwei Personen, Finny Kuruvilla, M.D., Ph.D. und Robin C. John, jeweils mit einer aggregierten wirtschaftlichen Beteiligung von 1.356.186 Aktien der Stammaktien von Celldex Therapeutics verbunden sind, was 2,0% der Klasse entspricht. Als Datum des meldepflichtigen Ereignisses wird 30.06.2025 angegeben; die Unterzeichnungen sind datiert auf 14.08.2025.

In der Einreichung wird Eventide mit alleinigem Stimmrecht und alleinigem Verfügungrecht über 1.356.186 Aktien genannt, während Kuruvilla und John über dieselben 1.356.186 Aktien geteiltes Stimmrecht und geteiltes Verfügungrecht ausüben. Punkt 5 stellt ausdrücklich klar, dass es sich um einen Besitz von 5 Prozent oder weniger einer Klasse handelt.

Die Einreichung benennt Eventide als im Delaware gegründet und gibt die Adresse der Einreicher als One International Place, Suite 4210, Boston, Massachusetts an. Dem Anhang liegt eine gemeinsame Einreichungsvereinbarung bei, die am 14. August 2025 unterzeichnet wurde, und Punkt 10 enthält die Bestätigung, dass die Wertpapiere im gewöhnlichen Geschäftsgang erworben und gehalten werden und nicht mit dem Ziel, die Kontrolle des Emittenten zu verändern oder zu beeinflussen.

Positive
  • None.
Negative
  • None.

Insights

TL;DR: Routine institutional Schedule 13G/A showing Eventide holds 1,356,186 CLDX shares (2.0%), with no declared intent to influence control.

This filing discloses a modest, passive stake: 1,356,186 shares equal to 2.0% of Celldex's common stock. Eventide is shown with sole voting and dispositive authority, while two named individuals are listed with shared powers under a joint filing arrangement. Because the stake is below 5% and the filing includes Item 10 certifications that holdings are in the ordinary course of business, this disclosure is procedural and unlikely to signal an imminent change in corporate control or strategy.

TL;DR: Joint Schedule 13G/A and explicit disclaimers indicate passive investment status; the filing appears to satisfy disclosure requirements.

The document includes a signed joint filing agreement and Item 10 certification disclaiming plans to influence control, consistent with a passive investor posture. The filing classifies Eventide as an investment adviser (IA) and the individuals with codes shown in the form, and it records the procedural facts required for Schedule 13G/A. From a governance standpoint, this is a standard disclosure that increases transparency about institutional ownership but does not, by itself, create governance or control implications.

Questo Schedule 13G/A segnala che Eventide Asset Management, LLC e due persone fisiche, Finny Kuruvilla, M.D., Ph.D. e Robin C. John, risultano ciascuno associati a una detenzione beneficiaria complessiva di 1.356.186 azioni ordinarie di Celldex Therapeutics, corrispondente al 2,0% della categoria. Nel documento viene indicata come data dell'evento che ha reso necessaria la presentazione il 30/06/2025 e le firme sono datate 14/08/2025.

Eventide è riportata con potere di voto esclusivo e potere dispositvo esclusivo su 1.356.186 azioni, mentre Kuruvilla e John risultano avere potere di voto condiviso e potere dispositvo condiviso sulle stesse 1.356.186 azioni. L'Elemento 5 dichiara esplicitamente che si tratta di una partecipazione pari al 5% o inferiore di una classe.

La segnalazione identifica Eventide come costituita nel Delaware e riporta l'indirizzo dei soggetti che presentano la dichiarazione in One International Place, Suite 4210, Boston, Massachusetts. L'allegato comprende un accordo di deposito congiunto sottoscritto il 14 agosto 2025, e l'Elemento 10 contiene la certificazione che i titoli sono stati acquisiti e sono detenuti nell'ordinario corso dell'attività, senza scopo di modificare o influenzare il controllo dell'emittente.

Este Schedule 13G/A informa que Eventide Asset Management, LLC y dos personas, Finny Kuruvilla, M.D., Ph.D. y Robin C. John, están cada uno asociados a una titularidad beneficiaria agregada de 1.356.186 acciones ordinarias de Celldex Therapeutics, que representan el 2,0% de la clase. La presentación cita como fecha del hecho que exige la presentación el 30/06/2025 y contiene firmas con fecha 14/08/2025.

Se informa que Eventide tiene el poder exclusivo de voto y el poder exclusivo dispositvo sobre 1.356.186 acciones, mientras que Kuruvilla y John figuran con poder de voto compartido y poder dispositvo compartido sobre esas mismas 1.356.186 acciones. El Punto 5 declara explícitamente que se trata de una participación del 5 por ciento o menos de una clase.

La presentación identifica a Eventide como constituida en el Delaware y facilita la dirección de los declarante en One International Place, Suite 4210, Boston, Massachusetts. El anexo incluye un acuerdo de presentación conjunta suscrito el 14 de agosto de 2025, y el Punto 10 contiene la certificación de que los valores fueron adquiridos y se mantienen en el curso ordinario del negocio y no con el propósito de cambiar o influir en el control del emisor.

ì� Schedule 13G/AëŠ� Eventide Asset Management, LLC와 ë‘� ê°œì¸ì� Finny Kuruvilla, M.D., Ph.D. ë°� Robin C. Johnì� ê°ê° Celldex Therapeuticsì� 보통ì£� ì´� 1,356,186ì£�ë¥� ì§‘í•©ì ìœ¼ë¡� 보유하여 해당 í´ëž˜ìŠ¤ì˜ 2.0%ë¥� 차지하고 있ìŒì� 보고합니ë‹�. 제출ì� 요구ë˜ëŠ” 사건 ë°œìƒì¼ì€ 2025ë…� 6ì›� 30ì�ë¡� 기재ë˜ì–´ 있으ë©�, ì„œëª…ì€ 2025ë…� 8ì›� 14ì�ìžë¡œ ë˜ì–´ 있습니다.

EventideëŠ� 1,356,186ì£¼ì— ëŒ€í•� ë‹¨ë… ì˜ê²°ê¶� ë°� ë‹¨ë… ì²˜ë¶„ê¶�ì� 보유í•� 것으ë¡� ë³´ê³ ë˜ì—ˆê³�, Kuruvilla와 Johnì€ ë™ì¼í•� 1,356,186ì£¼ì— ëŒ€í•� ê³µë™ ì˜ê²°ê¶� ë°� ê³µë™ ì²˜ë¶„ê¶�ì� 보유í•� 것으ë¡� ë³´ê³ ë˜ì—ˆìŠµë‹ˆë‹�. 항목 5ì—는 명시ì ìœ¼ë¡� ì´ê²ƒì� í´ëž˜ìŠ¤ì˜ 5% ì´í•˜ì� ë³´ìœ ìž„ì´ ê¸°ìž¬ë˜ì–´ 있습니다.

신고서는 Eventideê°€ ë¸ë¼ì›¨ì–´(¶Ù±ð±ô²¹·É²¹°ù±ð)ì—� 설립ë˜ì—ˆìŒì„ ì‹ë³„하고, ì‹ ê³ ì¸ë“¤ì� 주소ë¥� One International Place, Suite 4210, Boston, Massachusettsë¡� 기재합니ë‹�. 첨부문서ì—는 2025ë…� 8ì›� 14ì¼ì— ì²´ê²°ë� ê³µë™ ì œì¶œ 계약ì� í¬í•¨ë˜ì–´ 있으ë©�, 항목 10ì—는 ì¦ê¶Œì� ì˜ì—…ì� 통ìƒì ì¸ 범위ì—서 취듷보유ë˜ì—ˆìœ¼ë©° 발행ì¸ì˜ 지배권 ë³€ê²� ë˜ëŠ” ì˜í–¥ë ¥ì„ 행사í•� 목ì ì� 아님ì� 확ì¸í•˜ëŠ” ì¸ì¦ì� í¬í•¨ë˜ì–´ 있습니다.

Ce Schedule 13G/A indique que Eventide Asset Management, LLC et deux individus, Finny Kuruvilla, M.D., Ph.D. et Robin C. John, sont chacun associés à une détention bénéficiaire agrégée de 1 356 186 actions ordinaires de Celldex Therapeutics, représentant 2,0% de la catégorie. La date de l'événement nécessitant le dépôt est mentionnée comme 30/06/2025 et les signatures sont datées du 14/08/2025.

Il est indiqué qu'Eventide détient le pouvoir de vote exclusif et le pouvoir discrétionnaire exclusif sur 1 356 186 actions, tandis que Kuruvilla et John disposent du pouvoir de vote partagé et du pouvoir discrétionnaire partagé sur ces mêmes 1 356 186 actions. L'Item 5 précise explicitement qu'il s'agit d'une participation de 5 % ou moins d'une catégorie.

Le dépôt identifie Eventide comme constituée dans le Delaware et indique l'adresse des déclarants : One International Place, Suite 4210, Boston, Massachusetts. L'annexe comprend un accord de dépôt conjoint signé le 14 août 2025, et l'Item 10 contient une attestation selon laquelle les titres ont été acquis et sont détenus dans le cours normal des affaires et non dans le but de modifier ou d'influencer le contrôle de l'émetteur.

Dieses Schedule 13G/A meldet, dass Eventide Asset Management, LLC und zwei Personen, Finny Kuruvilla, M.D., Ph.D. und Robin C. John, jeweils mit einer aggregierten wirtschaftlichen Beteiligung von 1.356.186 Aktien der Stammaktien von Celldex Therapeutics verbunden sind, was 2,0% der Klasse entspricht. Als Datum des meldepflichtigen Ereignisses wird 30.06.2025 angegeben; die Unterzeichnungen sind datiert auf 14.08.2025.

In der Einreichung wird Eventide mit alleinigem Stimmrecht und alleinigem Verfügungrecht über 1.356.186 Aktien genannt, während Kuruvilla und John über dieselben 1.356.186 Aktien geteiltes Stimmrecht und geteiltes Verfügungrecht ausüben. Punkt 5 stellt ausdrücklich klar, dass es sich um einen Besitz von 5 Prozent oder weniger einer Klasse handelt.

Die Einreichung benennt Eventide als im Delaware gegründet und gibt die Adresse der Einreicher als One International Place, Suite 4210, Boston, Massachusetts an. Dem Anhang liegt eine gemeinsame Einreichungsvereinbarung bei, die am 14. August 2025 unterzeichnet wurde, und Punkt 10 enthält die Bestätigung, dass die Wertpapiere im gewöhnlichen Geschäftsgang erworben und gehalten werden und nicht mit dem Ziel, die Kontrolle des Emittenten zu verändern oder zu beeinflussen.






Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)






SCHEDULE 13G





SCHEDULE 13G





SCHEDULE 13G





SCHEDULE 13G



Eventide Asset Management, LLC
Signature:/s/ Peter J. Luiso
Name/Title:Peter J. Luiso, General Counsel
Date:08/14/2025
Finny Kuruvilla, M.D. Ph. D.
Signature:/s/ Finny Kuruvilla, M.D., Ph. D.
Name/Title:Finny Kuruvilla, M.D., Ph. D.
Date:08/14/2025
Robin C. John
Signature:/s/ Robin C. John
Name/Title:Robin C. John
Date:08/14/2025
Exhibit Information

EXHIBIT 1 WHEREAS, in accordance with Rule 13d-1(k)(1) under the Securities and Exchange Act of 1934 (the "Act"), only one joint Statement and any amendments thereto need to be filed whenever one or more persons are required to file such a Statement or any amendments thereto pursuant to Section 13(d) of the Act with respect to the same securities, provided that said persons agree in writing that such Statement or amendments thereto is filed on behalf of each of them; NOW, THEREFORE, the parties hereto agree as follows: Eventide Asset Management, LLC, Finny Kuruvilla, M.D., Ph. D. and Robin C. John do hereby agree, in accordance with Rule 13d-1(k)(1) under the Act, to file a Statement on Schedule 13G relating to their ownership of the Common Stock of the Issuer, and do hereby further agree that said Statement on Schedule 13G shall be filed on behalf of each of them. Eventide Asset Management, LLC Date: August 14, 2025 By: /s/ Peter J. Luiso Name: Peter J. Luiso Title: General Counsel Date: August 14, 2025 Finny Kuruvilla, M.D., Ph. D. By: /s/ Finny Kuruvilla, M.D., Ph. D. Name: Finny Kuruvilla, M.D., Ph. D. Date: August 14, 2025 Robin C. John By: /s/ Robin C. John Name: Robin C. John

FAQ

How many Celldex (CLDX) shares does Eventide Asset Management report owning?

Eventide reports beneficial ownership of 1,356,186 shares of Celldex common stock.

What percentage of CLDX does the reported stake represent?

The aggregate amount reported represents 2.0% of the class.

What voting and dispositive powers are reported for Eventide on this filing?

The filing shows Eventide with sole voting power and sole dispositive power over 1,356,186 shares.

When is the date of event that required this filing and when was the form signed?

The date of event requiring filing is 06/30/2025, and the signatures are dated 08/14/2025.

Does the filing state the shares were acquired to influence control of Celldex?

No. Item 10 contains a certification that the securities were acquired and are held in the ordinary course of business and not to change or influence control.
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Biotechnology
In Vitro & in Vivo Diagnostic Substances
United States
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