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[8-K] ARVINAS, INC. Reports Material Event

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Arvinas (ARVN) reported new patient-reported outcomes from the Phase 3 VERITAC-2 trial of vepdegestrant, presented at ESMO 2025. The company said vepdegestrant showed a reduced risk of deterioration versus fulvestrant in patients with ESR1‑mutated, ER+/HER2‑ advanced or metastatic breast cancer previously treated with endocrine therapy, with statistically significant advantages in several PRO domains including overall health status, pain severity, and role, cognitive, emotional, and social functioning.

Vepdegestrant is an investigational PROTAC estrogen receptor degrader being developed with Pfizer as a potential monotherapy for ESR1‑mutated ER+/HER2‑ disease. Arvinas also highlighted Phase 2 TACTIVE‑N results in a neoadjuvant setting for ER+/HER2‑ localized breast cancer in postmenopausal women, where vepdegestrant demonstrated biological and clinical activity. The company furnished a press release as Exhibit 99.1 and noted the information is provided under Regulation FD and Other Events.

Arvinas (ARVN) ha riportato nuovi outcome riportati dal paziente dal trial di fase 3 VERITAC-2 di vepdegestrant, presentati all'ESMO 2025. L'azienda ha dichiarato che vepdegestrant ha mostrato un rischio ridotto di deterioramento rispetto al fulvestrant in pazienti con tumore al seno avanzato o metastatico ESR1-mutato, ER+/HER2- che erano stati trattati in precedenza con terapia endocrina, con vantaggi statisticamente significativi in diverse aree PRO tra cui stato di salute generale, gravità del dolore e funzione nei ruoli, cognitiva, emotiva e sociale.

Vepdegestrant è un degradatore PROTAC dell'estrogen receptor investigativo sviluppato con Pfizer come potenziale monoterapia per la malattia ER+/HER2- mutata ESR1. Arvinas ha anche evidenziato i risultati di fase 2 TACTIVE-N in setting neoadiuvante per il cancro al seno ER+/HER2- localizzato in donne in postmenopausa, dove vepdegestrant ha dimostrato attività biologica e clinica. L'azienda ha fornito un comunicato stampa come Exhibit 99.1 e ha osservato che l'informazione è fornita ai sensi del Regulation FD e Other Events.

Arvinas (ARVN) informó de nuevos resultados reportados por pacientes del ensayo de fase 3 VERITAC-2 de vepdegestrant, presentados en la ESMO 2025. La compañía dijo que vepdegestrant obtuvo un menor riesgo de deterioro frente al fulvestrant en pacientes con cáncer de mama avanzado o metastásico ESR1 mutado, ER+/HER2- que habían recibido tratamiento endocrino previamente, con ventajas estadísticamente significativas en varias áreas de PRO, incluyendo estado de salud general, severidad del dolor y funcionamiento en las áreas de rol, cognitiva, emocional y social.

Vepdegestrant es un degradador del receptor de estrógenos PROTAC en investigación, que se está desarrollando con Pfizer como posible monoterapia para la enfermedad ER+/HER2- mutada ESR1. Arvinas también destacó los resultados de fase 2 TACTIVE-N en un contexto neoadyuvante para el cáncer de mama ER+/HER2- localizado en mujeres posmenopáusicas, donde vepdegestrant demostró actividad biológica y clínica. La empresa proporcionó un comunicado de prensa como Exhibit 99.1 y señaló que la información se proporciona conforme al Regulation FD y Other Events.

Arvinas (ARVN) 은 ESMO 2025에서 발표된 vepdegestrant의 3상 VERITAC-2 시험에서의 새로운 환자 보고 결과를 발표했다. 회사는 ESR1 돌연변이, ER+/HER2- 진행성 또는 전이성 유방암 환자에서 엔돌진 치료를 이전에 받은 경우, fulvestrant에 비해 악화 위험이 감소했으며 여러 PRO 도메인에서 통계적으로 유의미한 이점이 나타났다고 말했다. 여기에는 전반적 건강상태, 통증의 심각도 및 역할, 인지, 정서, 사회 기능이 포함된다.

Vepdegestrant는 ESR1 변이 ER+/HER2- 질환에 대한 단독 치료제로 개발 중인 investigational PROTAC 에스트로겐 수용체 분해제이다. Arvinas는 또한 생물학적 및 임상 활성도를 보인 포스트메노포즈 여성의 ER+/HER2- 국소성 유방암에 대한 네오아주번(neoadjuvant) 설정에서의 Phase 2 TACTIVE-N 결과를 강조했다. 회사는 Exhibit 99.1로 보도자료를 제공했고, 정보가 Regulation FD 및 Other Events에 따라 제공됨을 밝혔다.

Arvinas (ARVN) a publié de nouveaux résultats rapportés par les patients de l’essai de phase 3 VERITAC-2 sur le vepdegestrant, présentés à l’ESMO 2025. La société a déclaré que le vepdegestrant a montré un risque réduit de détérioration par rapport au fulvestrant chez les patientes atteintes d’un cancer du sein avancé ou métastatique ESR1-muté, ER+/HER2- qui avaient reçu une thérapie endocrinienne au préalable, avec des avantages statistiquement signifiants dans plusieurs domaines PRO, notamment l’état de santé global, la gravité de la douleur et les fonctions liées au rôle, cognitives, émotionnelles et sociales.

Le vepdegestrant est un dégradeur du récepteur des œstrogènes PROTAC en cours de développement avec Pfizer comme potentielle monothérapie pour la maladie ER+/HER2- mutée ESR1. Arvinas a également mis en évidence les résultats de la phase 2 TACTIVE-N en contexte néoadjuvant pour le cancer du sein localisé ER+/HER2- chez des femmes ménopausées, où le vepdegestrant a démontré une activité biologique et clinique. L’entreprise a fourni un communiqué de presse en tant qu’Exhibit 99.1 et a noté que l’information est fournie en vertu du Regulation FD et Other Events.

Arvinas (ARVN) meldete neue patientenberichtete Ergebnisse aus der Phase-3-VERITAC-2-Studie zu Vepdegestrant, die auf der ESMO 2025 vorgestellt wurden. Das Unternehmen erklärte, dass Vepdegestrant ein reduziertes Risiko einer Verschlechterung im Vergleich zu Fulvestrant bei ESR1-mutiertem, ER+/HER2- fortgeschrittenem oder metastasiertem Brustkrebs zeigte, der zuvor eine endokrine Therapie erhalten hatte, mit statistisch signifikanten Vorteilen in mehreren PRO-Domänen, darunter Gesamtgesundheitsstatus, Schmerzintensität sowie Funktionsbereiche Rolle, kognitiv, emotional und sozial.

Vepdegestrant ist ein investigativer PROTAC-Estrogenrezeptor-Abbaustoff, der mit Pfizer als potenzielle Monotherapie für ESR1-mutierte ER+/HER2- Erkrankung entwickelt wird. Arvinas hob außerdem Phase-2-TACTIVE-N-Ergebnisse in einem neoadjuvanten Setting für ER+/HER2- lokalisiertem Brustkrebs bei postmenopausalen Frauen hervor, wo Vepdegestrant biologische und klinische Aktivität zeigte. Das Unternehmen stellte eine Pressemitteilung als Exhibit 99.1 zur Verfügung und wies darauf hin, dass die Information gemäß Regulation FD und Other Events bereitgestellt wird.

Arvinas (ARVN) أبلغت عن نتائج جديدة مُبلغ عنها من المرضى من تجربة المرحلة 3 VERITAC-2 للدواء vepdegestrant، والتي أُعلنت في اجتماع ESMO 2025. قالت الشركة إن vepdegestrant أظهر تقليل مخاطر التدهور مقارنةً بالفُلڤِسترانت في مرضى سرطان الثدي المتقدم أو النِزاعي ESR1‑Mutated، ER+/HER2‑ ممن خضعوا لعلاج هرموني سابقًا، مع فوائد ذات دلالة إحصائية في عدة مجالات PRO بما في ذلك الحالة الصحية العامة، وشدة الألم، والوظائف الدور، الإدراكية، العاطفية، والاجتماعية.

Vepdegestrant هو مهدّئ بروتين PROTAC لمستقبل الاستروجين قيد التحقيق يعمل مع Pfizer كاحتمال كعلاج أحادي للمرض ER+/HER2- المتحوّل ESR1. كما سلطت الشركة الضوء على نتائج المرحلة 2 TACTIVE-N في الإعداد النيوأداونت لسرطان الثدي ER+/HER2- المصنّف محلياً لدى النساء بعد سن اليأس، حيث أظهر vepdegestrant نشاطاً بيولوجياً وسريرياً. زودت الشركة بياناً صحفياً كـ Exhibit 99.1 وأشارت إلى أن المعلومات مقدمة وفق Regulation FD وOther Events.

Arvinas (ARVN) 报告了来自 VERITAC-2 Ⅲ期试验的 vepdegestrant 的新患者自报结果,该结果在 ESMO 2025 年会上公布。公司表示,在 ESR1 突变、ER+/HER2- 的晚期或转移性乳腺癌患者(先前接受过内分泌治疗)中,与 fulvestrant 相比,vepdegestrant 显示出较低的恶化风险,在包括总体健康状态、痛感严重程度以及角色、认知、情感和社会功能等几个 PRO 领域具有 统计学显著 的优势。

vepdegestrant 是一种正在开发中的 PROTAC 雌激素受体降解剂,与 Pfizer 共同开发,作为 ESR1-mutated ER+/HER2- 疾病的潜在单药治疗。Arvinas 还强调了在绝经后女性的 ER+/HER2- 局灶性乳腺癌新辅助治疗人群中的 Phase 2 TACTIVE-N 结果,其中 vepdegestrant 显示出生物学和临床活性。公司提供了 Exhibit 99.1 的新闻稿,并指出信息按 Regulation FD 和 Other Events 提供。

Positive
  • None.
Negative
  • None.

Insights

Phase 3 PRO data favored vepdegestrant vs. fulvestrant; supportive signal.

The disclosure centers on patient-reported outcomes from VERITAC-2 showing reduced risk of deterioration for vepdegestrant across multiple domains, several reaching statistical significance. PROs capture symptoms and quality-of-life and can complement traditional endpoints in ER+/HER2− metastatic breast cancer.

Vepdegestrant, a PROTAC ER degrader co-developed with Pfizer, also showed biological and clinical activity in the Phase 2 neoadjuvant TACTIVE-N study in localized disease. The excerpt does not discuss survival or response metrics, so these results should be viewed as supportive rather than decisive on their own.

The event was presented at ESMO 2025 and furnished on October 20, 2025. Actual impact depends on comprehensive efficacy and safety outcomes in Phase 3 and any regulatory interactions described in future disclosures.

Arvinas (ARVN) ha riportato nuovi outcome riportati dal paziente dal trial di fase 3 VERITAC-2 di vepdegestrant, presentati all'ESMO 2025. L'azienda ha dichiarato che vepdegestrant ha mostrato un rischio ridotto di deterioramento rispetto al fulvestrant in pazienti con tumore al seno avanzato o metastatico ESR1-mutato, ER+/HER2- che erano stati trattati in precedenza con terapia endocrina, con vantaggi statisticamente significativi in diverse aree PRO tra cui stato di salute generale, gravità del dolore e funzione nei ruoli, cognitiva, emotiva e sociale.

Vepdegestrant è un degradatore PROTAC dell'estrogen receptor investigativo sviluppato con Pfizer come potenziale monoterapia per la malattia ER+/HER2- mutata ESR1. Arvinas ha anche evidenziato i risultati di fase 2 TACTIVE-N in setting neoadiuvante per il cancro al seno ER+/HER2- localizzato in donne in postmenopausa, dove vepdegestrant ha dimostrato attività biologica e clinica. L'azienda ha fornito un comunicato stampa come Exhibit 99.1 e ha osservato che l'informazione è fornita ai sensi del Regulation FD e Other Events.

Arvinas (ARVN) informó de nuevos resultados reportados por pacientes del ensayo de fase 3 VERITAC-2 de vepdegestrant, presentados en la ESMO 2025. La compañía dijo que vepdegestrant obtuvo un menor riesgo de deterioro frente al fulvestrant en pacientes con cáncer de mama avanzado o metastásico ESR1 mutado, ER+/HER2- que habían recibido tratamiento endocrino previamente, con ventajas estadísticamente significativas en varias áreas de PRO, incluyendo estado de salud general, severidad del dolor y funcionamiento en las áreas de rol, cognitiva, emocional y social.

Vepdegestrant es un degradador del receptor de estrógenos PROTAC en investigación, que se está desarrollando con Pfizer como posible monoterapia para la enfermedad ER+/HER2- mutada ESR1. Arvinas también destacó los resultados de fase 2 TACTIVE-N en un contexto neoadyuvante para el cáncer de mama ER+/HER2- localizado en mujeres posmenopáusicas, donde vepdegestrant demostró actividad biológica y clínica. La empresa proporcionó un comunicado de prensa como Exhibit 99.1 y señaló que la información se proporciona conforme al Regulation FD y Other Events.

Arvinas (ARVN) 은 ESMO 2025에서 발표된 vepdegestrant의 3상 VERITAC-2 시험에서의 새로운 환자 보고 결과를 발표했다. 회사는 ESR1 돌연변이, ER+/HER2- 진행성 또는 전이성 유방암 환자에서 엔돌진 치료를 이전에 받은 경우, fulvestrant에 비해 악화 위험이 감소했으며 여러 PRO 도메인에서 통계적으로 유의미한 이점이 나타났다고 말했다. 여기에는 전반적 건강상태, 통증의 심각도 및 역할, 인지, 정서, 사회 기능이 포함된다.

Vepdegestrant는 ESR1 변이 ER+/HER2- 질환에 대한 단독 치료제로 개발 중인 investigational PROTAC 에스트로겐 수용체 분해제이다. Arvinas는 또한 생물학적 및 임상 활성도를 보인 포스트메노포즈 여성의 ER+/HER2- 국소성 유방암에 대한 네오아주번(neoadjuvant) 설정에서의 Phase 2 TACTIVE-N 결과를 강조했다. 회사는 Exhibit 99.1로 보도자료를 제공했고, 정보가 Regulation FD 및 Other Events에 따라 제공됨을 밝혔다.

Arvinas (ARVN) a publié de nouveaux résultats rapportés par les patients de l’essai de phase 3 VERITAC-2 sur le vepdegestrant, présentés à l’ESMO 2025. La société a déclaré que le vepdegestrant a montré un risque réduit de détérioration par rapport au fulvestrant chez les patientes atteintes d’un cancer du sein avancé ou métastatique ESR1-muté, ER+/HER2- qui avaient reçu une thérapie endocrinienne au préalable, avec des avantages statistiquement signifiants dans plusieurs domaines PRO, notamment l’état de santé global, la gravité de la douleur et les fonctions liées au rôle, cognitives, émotionnelles et sociales.

Le vepdegestrant est un dégradeur du récepteur des œstrogènes PROTAC en cours de développement avec Pfizer comme potentielle monothérapie pour la maladie ER+/HER2- mutée ESR1. Arvinas a également mis en évidence les résultats de la phase 2 TACTIVE-N en contexte néoadjuvant pour le cancer du sein localisé ER+/HER2- chez des femmes ménopausées, où le vepdegestrant a démontré une activité biologique et clinique. L’entreprise a fourni un communiqué de presse en tant qu’Exhibit 99.1 et a noté que l’information est fournie en vertu du Regulation FD et Other Events.

Arvinas (ARVN) meldete neue patientenberichtete Ergebnisse aus der Phase-3-VERITAC-2-Studie zu Vepdegestrant, die auf der ESMO 2025 vorgestellt wurden. Das Unternehmen erklärte, dass Vepdegestrant ein reduziertes Risiko einer Verschlechterung im Vergleich zu Fulvestrant bei ESR1-mutiertem, ER+/HER2- fortgeschrittenem oder metastasiertem Brustkrebs zeigte, der zuvor eine endokrine Therapie erhalten hatte, mit statistisch signifikanten Vorteilen in mehreren PRO-Domänen, darunter Gesamtgesundheitsstatus, Schmerzintensität sowie Funktionsbereiche Rolle, kognitiv, emotional und sozial.

Vepdegestrant ist ein investigativer PROTAC-Estrogenrezeptor-Abbaustoff, der mit Pfizer als potenzielle Monotherapie für ESR1-mutierte ER+/HER2- Erkrankung entwickelt wird. Arvinas hob außerdem Phase-2-TACTIVE-N-Ergebnisse in einem neoadjuvanten Setting für ER+/HER2- lokalisiertem Brustkrebs bei postmenopausalen Frauen hervor, wo Vepdegestrant biologische und klinische Aktivität zeigte. Das Unternehmen stellte eine Pressemitteilung als Exhibit 99.1 zur Verfügung und wies darauf hin, dass die Information gemäß Regulation FD und Other Events bereitgestellt wird.

0001655759FALSE00016557592025-10-202025-10-20


UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
__________________
FORM 8-K
__________________
CURRENT REPORT
Pursuant to Section 13 or 15(d)
of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): October 20, 2025
__________________
Arvinas, Inc.
(Exact name of registrant as specified in its charter)
__________________
Delaware001-3867247-2566120
(State or other jurisdiction
of incorporation)
(Commission
File Number)
(IRS Employer
Identification No.)
5 Science Park
395 Winchester Ave.
New Haven, Connecticut
06511
(Address of principal executive offices)(Zip Code)
Registrant’s telephone number, including area code: (203) 535-1456
Not applicable
(Former Name or Former Address, if Changed Since Last Report)
__________________
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
oWritten communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
oSoliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
oPre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
oPre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
Title of each class
Trading
Symbol(s)
Name of each exchange
on which registered
Common stock, par value $0.001 per shareARVN
The Nasdaq Stock Market LLC
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company o
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o



Item 7.01 Regulation FD Disclosure
On October 20, 2025, Arvinas, Inc. (the "Company") issued a press release announcing new patient-reported outcomes ("PRO") data from the Phase 3 VERITAC-2 clinical trial evaluating vepdegestrant. These data were presented in a mini oral session at the 2025 European Society for Medical Oncology Congress ("ESMO 2025").
The full text of the press release issued in connection with the announcement is furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated into this Item 7.01 by reference.
The information in this Item 7.01, including Exhibit 99.1 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing.

Item 8.01 Other Events.
On October 20, 2025, the Company issued a press release announcing new PRO data from the Phase 3 VERITAC-2 clinical trial evaluating vepdegestrant. These data were presented in a mini oral session at ESMO 2025. Vepdegestrant is a novel investigational PROteolysis TArgeting Chimera ("PROTAC") estrogen receptor ("ER") degrader which is being developed with Pfizer Inc. as a potential monotherapy for estrogen receptor 1 ("ESR1") mutated, ER-positive ("ER+)/human epidermal growth factor receptor 2-negative ("HER2-") advanced or metastatic breast cancer previously treated with endocrine-based therapy.
In the VERITAC-2 clinical trial, in patients with ESR1-mutated disease, vepdegestrant demonstrated a reduced risk of deterioration compared to fulvestrant which was statistically significant in several PRO domains including overall health status, pain severity, and functioning (including role, cognitive, emotional, and social functioning), and vepdegestrant consistently showed reduced risk of deterioration versus fulvestrant across all PRO domains. These PRO data from the VERITAC-2 clinical trial support the clinical benefit of vepdegestrant in patients with ESR1-mutated, ER+/HER2- advanced or metastatic breast cancer previously treated with endocrine-based therapy.
Also presented at ESMO 2025 were results from the TACTIVE-N Phase 2 clinical trial, which evaluated neoadjuvant vepdegestrant in postmenopausal women with ER+/HER2– localized breast cancer. The results presented at ESMO 2025 showed that neoadjuvant vepdegestrant demonstrated biological and clinical activity in this treatment-naïve, predominantly ESR1 wild-type population of postmenopausal women with ER+/HER2- localized breast cancer.
Item 9.01 Financial Statements and Exhibits.

Exhibit NumberDescription of Exhibit
99.1
Press Release, dated October 20, 2025
104
Cover Page Interactive Data File (formatted as Inline XBRL)



SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
ARVINAS, INC.
Date: October 20, 2025By:/s/ Andrew Saik
Andrew Saik
Chief Financial Officer

Arvinas

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