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[8-K] OFS Capital Corporation Reports Material Event

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Rhea-AI Filing Summary

Instil Bio (TIL) filed an 8-K (Item 8.01) reporting partner ImmuneOnco’s interim data from a Phase 2 open-label study of bispecific antibody IMM2510/AXN-2510 plus chemotherapy in first-line advanced non-small-cell lung cancer (NSCLC) patients in China.

By 1 Jul 2025, 33 patients had received 10 mg/kg; 21 were efficacy-evaluable. The overall partial response rate (PRR) was 62 %, with a pronounced signal in squamous NSCLC (80 %, 8/10) versus non-squamous (46 %, 5/11). Most patients had undergone only a single tumor assessment at the data cut-off, limiting durability insight.

Safety appeared acceptable: no dose-limiting toxicities, no treatment-related deaths or dose reductions, and just one discontinuation. Grade ≥3 treatment-related adverse events were mainly hematologic and infrequent; VEGF-linked and immune events were uncommon and generally low-grade.

The dataset will be presented at a future medical meeting. Though preliminary and based on a small cohort, the efficacy signal and tolerability profile are encouraging for ‘2510’s continued development and could strengthen Instil’s oncology pipeline prospects.

Instil Bio (TIL) ha presentato un modulo 8-K (voce 8.01) riportando i dati preliminari del partner ImmuneOnco da uno studio di fase 2 in aperto sull'anticorpo bispecifico IMM2510/AXN-2510 in combinazione con chemioterapia in pazienti cinesi con carcinoma polmonare non a piccole cellule (NSCLC) avanzato in prima linea.

Al 1° luglio 2025, 33 pazienti avevano ricevuto 10 mg/kg; 21 erano valutabili per efficacia. Il tasso complessivo di risposta parziale (PRR) era del 62%, con un segnale marcato nel NSCLC squamoso (80%, 8/10) rispetto al non squamoso (46%, 5/11). La maggior parte dei pazienti aveva effettuato una sola valutazione tumorale al momento del cut-off dei dati, limitando la comprensione della durata della risposta.

La sicurezza è risultata accettabile: nessuna tossicità dose-limitante, nessun decesso o riduzione di dose correlata al trattamento, e solo una sospensione. Gli eventi avversi correlati al trattamento di grado ≥3 erano principalmente ematologici e rari; gli eventi legati a VEGF e immunitari erano poco frequenti e generalmente di basso grado.

Il dataset sarà presentato in un prossimo congresso medico. Sebbene preliminari e basati su una piccola coorte, il segnale di efficacia e il profilo di tollerabilità sono incoraggianti per il proseguimento dello sviluppo di '2510' e potrebbero rafforzare le prospettive del portafoglio oncologico di Instil.

Instil Bio (TIL) presentó un formulario 8-K (punto 8.01) informando sobre datos preliminares de su socio ImmuneOnco de un estudio abierto de fase 2 con el anticuerpo bispecífico IMM2510/AXN-2510 más quimioterapia en pacientes chinos con cáncer de pulmón no microcítico (NSCLC) avanzado en primera línea.

Al 1 de julio de 2025, 33 pacientes habían recibido 10 mg/kg; 21 eran evaluables para eficacia. La tasa global de respuesta parcial (PRR) fue del 62%, con una señal notable en NSCLC escamoso (80%, 8/10) frente a no escamoso (46%, 5/11). La mayoría de los pacientes solo había tenido una evaluación tumoral al momento del corte de datos, limitando el conocimiento sobre la durabilidad de la respuesta.

La seguridad fue aceptable: sin toxicidades limitantes de dosis, sin muertes relacionadas con el tratamiento ni reducciones de dosis, y solo una discontinuación. Los eventos adversos relacionados con el tratamiento de grado ≥3 fueron principalmente hematológicos y poco frecuentes; los eventos relacionados con VEGF e inmunitarios fueron raros y generalmente de bajo grado.

El conjunto de datos se presentará en una futura reunión médica. Aunque preliminares y basados en una cohorte pequeña, la señal de eficacia y el perfil de tolerabilidad son alentadores para el desarrollo continuo de '2510' y podrían fortalecer las perspectivas de la cartera oncológica de Instil.

Instil Bio (TIL)는 파트너 ImmuneOnco가 중국에서 1차 치료를 받는 진행성 비소세포폐암(NSCLC) 환자를 대상으로 한 bispecific 항체 IMM2510/AXN-2510과 화학요법 병용 2상 공개 연구의 중간 데이터를 보고하는 8-K (항목 8.01)를 제출했습니다.

2025년 7월 1일까지 33명의 환자가 10 mg/kg 용량을 받았으며; 21명은 효능 평가가 가능했습니다. 전체 부분 반응률(PRR)은 62%로, 편평 상피 NSCLC에서는 80%(8/10), 비편평 상피에서는 46%(5/11)로 뚜렷한 차이를 보였습니다. 대부분 환자가 데이터 컷오프 시점에 단 한 번의 종양 평가만 받아 반응 지속성에 대한 정보는 제한적입니다.

안전성은 양호해 보였습니다: 용량 제한 독성 없음, 치료 관련 사망이나 용량 감소 없음, 중단은 단 1건뿐이었습니다. 3등급 이상 치료 관련 이상반응은 주로 혈액학적이며 드물었고, VEGF 관련 및 면역 관련 이상반응은 드물고 대체로 경증이었습니다.

이 데이터 세트는 향후 의학 회의에서 발표될 예정입니다. 비록 초기 단계이고 소규모 코호트를 기반으로 하지만, 효능 신호와 내약성 프로필은 ‘2510’의 지속적인 개발에 긍정적이며 Instil의 종양학 파이프라인 전망을 강화할 수 있습니다.

Instil Bio (TIL) a déposé un rapport 8-K (point 8.01) rapportant les données intermédiaires de son partenaire ImmuneOnco issues d’une étude de phase 2 en ouvert sur l’anticorps bispécifique IMM2510/AXN-2510 associé à la chimiothérapie chez des patients chinois atteints d’un cancer du poumon non à petites cellules (NSCLC) avancé en première ligne.

Au 1er juillet 2025, 33 patients avaient reçu 10 mg/kg ; 21 étaient évaluables pour l’efficacité. Le taux global de réponse partielle (PRR) était de 62 %, avec un signal marqué dans le NSCLC squameux (80 %, 8/10) contre non squameux (46 %, 5/11). La plupart des patients n’avaient subi qu’une seule évaluation tumorale à la date de coupure des données, limitant la compréhension de la durabilité de la réponse.

La sécurité semblait acceptable : aucune toxicité limitante la dose, aucun décès lié au traitement ni réduction de dose, et une seule interruption. Les événements indésirables liés au traitement de grade ≥3 étaient principalement hématologiques et rares ; les événements liés au VEGF et immunitaires étaient peu fréquents et généralement de faible grade.

Le jeu de données sera présenté lors d’une prochaine réunion médicale. Bien que préliminaires et basés sur une petite cohorte, le signal d’efficacité et le profil de tolérance sont encourageants pour le développement continu de ‘2510’ et pourraient renforcer les perspectives du portefeuille oncologique d’Instil.

Instil Bio (TIL) reichte ein 8-K Formular (Punkt 8.01) ein, in dem Partner ImmuneOnco Zwischenberichte aus einer Phase-2-Studie mit dem bispezifischen Antikörper IMM2510/AXN-2510 plus Chemotherapie bei Patienten mit fortgeschrittenem nicht-kleinzelligem Lungenkrebs (NSCLC) in China vorstellte.

Bis zum 1. Juli 2025 hatten 33 Patienten 10 mg/kg erhalten; 21 waren hinsichtlich Wirksamkeit auswertbar. Die Gesamt-Teilansprechrate (PRR) lag bei 62%, mit einem ausgeprägten Signal bei Plattenepithel-NSCLC (80%, 8/10) gegenüber nicht-plattenepithelialem NSCLC (46%, 5/11). Die meisten Patienten hatten zum Zeitpunkt des Datenstichtags nur eine Tumorbewertung, was die Einschätzung der Dauerhaftigkeit der Wirkung einschränkt.

Die Sicherheit schien akzeptabel: keine dosisbegrenzenden Toxizitäten, keine behandlungsbedingten Todesfälle oder Dosisreduktionen, und nur eine Abbrechung. Grad ≥3 behandlungsbedingte Nebenwirkungen waren hauptsächlich hämatologisch und selten; VEGF-assoziierte und immunologische Ereignisse waren ungewöhnlich und meist niedriggradig.

Der Datensatz wird auf einer zukünftigen medizinischen Tagung vorgestellt. Obwohl vorläufig und auf einer kleinen Kohorte basierend, sind das Wirksamkeitssignal und das Verträglichkeitsprofil ermutigend für die weitere Entwicklung von '2510' und könnten die Perspektiven von Instils Onkologie-Pipeline stärken.

Positive
  • 62 % overall partial response rate in interim analysis, outperforming historical chemo benchmarks.
  • 80 % PRR in squamous NSCLC, a subtype with high unmet need.
  • No dose-limiting toxicities or treatment-related deaths; safety profile appears manageable.
Negative
  • Small efficacy-evaluable cohort (n = 21) limits statistical confidence.
  • Most patients had only one tumor assessment, providing little durability data.
  • Results are from a single-arm study in China; lack of control arm or global data may hinder comparability.

Insights

TL;DR — Early Phase 2 data show strong PRR and clean safety; still small but directionally positive.

The 62 % PRR, especially the 80 % in squamous disease, materially exceeds typical first-line chemo benchmarks (~25-35 %). Absence of DLTs and minimal high-grade VEGF/immune toxicities suggest an attractive risk-benefit profile. However, only one scan for most subjects and lack of complete or durability data temper enthusiasm. If confirmed in larger cohorts or randomized settings, ‘2510 could challenge PD-1/VEGF combos and expand Instil’s value beyond its TIL cell-therapy focus.

TL;DR — Encouraging signal but limited sample; modest positive equity impact today.

For a development-stage company, any positive mid-phase oncology read-out can catalyze sentiment. The filing highlights differentiated efficacy in a high-incidence indication and a benign safety profile, reducing clinical risk. Yet, the data are uncontrolled, geographically limited, and lack progression-free or overall survival metrics, so valuation uplift may be constrained until more mature results or a strategic update (e.g., licensing economics) emerges.

Instil Bio (TIL) ha presentato un modulo 8-K (voce 8.01) riportando i dati preliminari del partner ImmuneOnco da uno studio di fase 2 in aperto sull'anticorpo bispecifico IMM2510/AXN-2510 in combinazione con chemioterapia in pazienti cinesi con carcinoma polmonare non a piccole cellule (NSCLC) avanzato in prima linea.

Al 1° luglio 2025, 33 pazienti avevano ricevuto 10 mg/kg; 21 erano valutabili per efficacia. Il tasso complessivo di risposta parziale (PRR) era del 62%, con un segnale marcato nel NSCLC squamoso (80%, 8/10) rispetto al non squamoso (46%, 5/11). La maggior parte dei pazienti aveva effettuato una sola valutazione tumorale al momento del cut-off dei dati, limitando la comprensione della durata della risposta.

La sicurezza è risultata accettabile: nessuna tossicità dose-limitante, nessun decesso o riduzione di dose correlata al trattamento, e solo una sospensione. Gli eventi avversi correlati al trattamento di grado ≥3 erano principalmente ematologici e rari; gli eventi legati a VEGF e immunitari erano poco frequenti e generalmente di basso grado.

Il dataset sarà presentato in un prossimo congresso medico. Sebbene preliminari e basati su una piccola coorte, il segnale di efficacia e il profilo di tollerabilità sono incoraggianti per il proseguimento dello sviluppo di '2510' e potrebbero rafforzare le prospettive del portafoglio oncologico di Instil.

Instil Bio (TIL) presentó un formulario 8-K (punto 8.01) informando sobre datos preliminares de su socio ImmuneOnco de un estudio abierto de fase 2 con el anticuerpo bispecífico IMM2510/AXN-2510 más quimioterapia en pacientes chinos con cáncer de pulmón no microcítico (NSCLC) avanzado en primera línea.

Al 1 de julio de 2025, 33 pacientes habían recibido 10 mg/kg; 21 eran evaluables para eficacia. La tasa global de respuesta parcial (PRR) fue del 62%, con una señal notable en NSCLC escamoso (80%, 8/10) frente a no escamoso (46%, 5/11). La mayoría de los pacientes solo había tenido una evaluación tumoral al momento del corte de datos, limitando el conocimiento sobre la durabilidad de la respuesta.

La seguridad fue aceptable: sin toxicidades limitantes de dosis, sin muertes relacionadas con el tratamiento ni reducciones de dosis, y solo una discontinuación. Los eventos adversos relacionados con el tratamiento de grado ≥3 fueron principalmente hematológicos y poco frecuentes; los eventos relacionados con VEGF e inmunitarios fueron raros y generalmente de bajo grado.

El conjunto de datos se presentará en una futura reunión médica. Aunque preliminares y basados en una cohorte pequeña, la señal de eficacia y el perfil de tolerabilidad son alentadores para el desarrollo continuo de '2510' y podrían fortalecer las perspectivas de la cartera oncológica de Instil.

Instil Bio (TIL)는 파트너 ImmuneOnco가 중국에서 1차 치료를 받는 진행성 비소세포폐암(NSCLC) 환자를 대상으로 한 bispecific 항체 IMM2510/AXN-2510과 화학요법 병용 2상 공개 연구의 중간 데이터를 보고하는 8-K (항목 8.01)를 제출했습니다.

2025년 7월 1일까지 33명의 환자가 10 mg/kg 용량을 받았으며; 21명은 효능 평가가 가능했습니다. 전체 부분 반응률(PRR)은 62%로, 편평 상피 NSCLC에서는 80%(8/10), 비편평 상피에서는 46%(5/11)로 뚜렷한 차이를 보였습니다. 대부분 환자가 데이터 컷오프 시점에 단 한 번의 종양 평가만 받아 반응 지속성에 대한 정보는 제한적입니다.

안전성은 양호해 보였습니다: 용량 제한 독성 없음, 치료 관련 사망이나 용량 감소 없음, 중단은 단 1건뿐이었습니다. 3등급 이상 치료 관련 이상반응은 주로 혈액학적이며 드물었고, VEGF 관련 및 면역 관련 이상반응은 드물고 대체로 경증이었습니다.

이 데이터 세트는 향후 의학 회의에서 발표될 예정입니다. 비록 초기 단계이고 소규모 코호트를 기반으로 하지만, 효능 신호와 내약성 프로필은 ‘2510’의 지속적인 개발에 긍정적이며 Instil의 종양학 파이프라인 전망을 강화할 수 있습니다.

Instil Bio (TIL) a déposé un rapport 8-K (point 8.01) rapportant les données intermédiaires de son partenaire ImmuneOnco issues d’une étude de phase 2 en ouvert sur l’anticorps bispécifique IMM2510/AXN-2510 associé à la chimiothérapie chez des patients chinois atteints d’un cancer du poumon non à petites cellules (NSCLC) avancé en première ligne.

Au 1er juillet 2025, 33 patients avaient reçu 10 mg/kg ; 21 étaient évaluables pour l’efficacité. Le taux global de réponse partielle (PRR) était de 62 %, avec un signal marqué dans le NSCLC squameux (80 %, 8/10) contre non squameux (46 %, 5/11). La plupart des patients n’avaient subi qu’une seule évaluation tumorale à la date de coupure des données, limitant la compréhension de la durabilité de la réponse.

La sécurité semblait acceptable : aucune toxicité limitante la dose, aucun décès lié au traitement ni réduction de dose, et une seule interruption. Les événements indésirables liés au traitement de grade ≥3 étaient principalement hématologiques et rares ; les événements liés au VEGF et immunitaires étaient peu fréquents et généralement de faible grade.

Le jeu de données sera présenté lors d’une prochaine réunion médicale. Bien que préliminaires et basés sur une petite cohorte, le signal d’efficacité et le profil de tolérance sont encourageants pour le développement continu de ‘2510’ et pourraient renforcer les perspectives du portefeuille oncologique d’Instil.

Instil Bio (TIL) reichte ein 8-K Formular (Punkt 8.01) ein, in dem Partner ImmuneOnco Zwischenberichte aus einer Phase-2-Studie mit dem bispezifischen Antikörper IMM2510/AXN-2510 plus Chemotherapie bei Patienten mit fortgeschrittenem nicht-kleinzelligem Lungenkrebs (NSCLC) in China vorstellte.

Bis zum 1. Juli 2025 hatten 33 Patienten 10 mg/kg erhalten; 21 waren hinsichtlich Wirksamkeit auswertbar. Die Gesamt-Teilansprechrate (PRR) lag bei 62%, mit einem ausgeprägten Signal bei Plattenepithel-NSCLC (80%, 8/10) gegenüber nicht-plattenepithelialem NSCLC (46%, 5/11). Die meisten Patienten hatten zum Zeitpunkt des Datenstichtags nur eine Tumorbewertung, was die Einschätzung der Dauerhaftigkeit der Wirkung einschränkt.

Die Sicherheit schien akzeptabel: keine dosisbegrenzenden Toxizitäten, keine behandlungsbedingten Todesfälle oder Dosisreduktionen, und nur eine Abbrechung. Grad ≥3 behandlungsbedingte Nebenwirkungen waren hauptsächlich hämatologisch und selten; VEGF-assoziierte und immunologische Ereignisse waren ungewöhnlich und meist niedriggradig.

Der Datensatz wird auf einer zukünftigen medizinischen Tagung vorgestellt. Obwohl vorläufig und auf einer kleinen Kohorte basierend, sind das Wirksamkeitssignal und das Verträglichkeitsprofil ermutigend für die weitere Entwicklung von '2510' und könnten die Perspektiven von Instils Onkologie-Pipeline stärken.

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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): July 29, 2025
 
OFS Capital Corporation
(Exact name of Registrant as specified in its charter)
 
Delaware814-0081346-1339639
(State or other jurisdiction
of incorporation)
(Commission
File Number)
(I.R.S. Employer
Identification No.)
 
222 W. Adams Street, Suite 1850
Chicago, Illinois
60606
(Address of principal executive offices)(Zip Code)
 
Registrant’s telephone number, including area code: (847) 734-2000
 
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:
 ¨Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
 ¨Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
 ¨Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
 ¨Pre-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 classTrading Symbol(s)Name of each exchange on which registered
Common Stock, $0.01 par value per shareOFSThe Nasdaq Global Select Market
4.95% Notes due 2028OFSSHThe Nasdaq Global Select Market
7.50% Notes due 2028OFSSOThe Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934.

Emerging growth company ¨

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. ¨




Item 2.02.Results of Operations and Financial Condition
 
On July 31, 2025, OFS Capital Corporation (the “Company”) issued a press release announcing its financial results for the quarter ended June 30, 2025. On July 29, 2025, the Company’s board of directors declared a 2025 third quarter distribution of $0.34 per common share, payable September 30, 2025 to stockholders of record as of September 19, 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.
 
The information disclosed under this Item 2.02, including Exhibit 99.1 hereto, is being furnished and 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 into any filing made under the Securities Exchange Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01.Financial Statements and Exhibits
 
(a)Not applicable.
(b)Not applicable.
(c)Not applicable.
(d)Exhibits.
Exhibit
No.
 Description
  
99.1
 
Press Release issued by OFS Capital Corporation on July 31, 2025




SIGNATURES
 
Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
 
 OFS Capital Corporation
   
Date: July 31, 2025By: /s/ Bilal Rashid
  Chief Executive Officer


FAQ

What did Instil Bio (TIL) disclose in its 8-K dated July 31 2025?

The company relayed ImmuneOnco’s interim Phase 2 data showing a 62 % partial response rate and no dose-limiting toxicities in advanced NSCLC.

How many patients were included in the Phase 2 IMM2510 chemo-combo trial?

33 patients received 10 mg/kg; 21 were evaluable for efficacy.

What was the response rate for squamous versus non-squamous NSCLC?

Squamous NSCLC showed an 80 % PRR (8/10); non-squamous had 46 % PRR (5/11).

Were any dose-limiting toxicities or treatment-related deaths reported?

No dose-limiting toxicities or treatment-related deaths occurred; only one discontinuation was linked to treatment.

When will more detailed data be available?

ImmuneOnco plans to present updated safety and efficacy results at a future medical conference.
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