SLR Healthcare ABL	3 Months Ended
Mar. 31, 2026
Equity Method Investments and Joint Ventures [Abstract]
SLR Healthcare ABL	Note 14. SLR Healthcare ABL SUNS acquired an equity interest in SLR Healthcare ABL, f/k/a Gemino Healthcare Finance, LLC (“SLR Healthcare”), on September 30, 2013. SLR Healthcare is a commercial finance company that originates, underwrites, and manages primarily secured, asset-based loans for small and mid-sized companies operating in the healthcare industry. SUNS’s initial investment in SLR Healthcare ABL was $32,839. The management team of SLR Healthcare co-invested in the transaction and continues to lead SLR Healthcare. As of March 31, 2026, SLR Healthcare’s management team and the Company owned approximately 8% and 92% of the equity in SLR Healthcare, respectively. SLRC acquired SLR Healthcare in connection with the SUNS acquisition on April 1, 2022. Effective upon an amendment dated March 27, 2026, SLR Healthcare has a $160,000 non-recourse credit facility, which is expandable to $300,000 under its accordion facility. The maturity date of this facility is March 27, 2031. SLR Healthcare currently manages a highly diverse portfolio of directly-originated and underwritten senior-secured commitments. As of March 31, 2026, the portfolio totaled approximately $253,250 of commitments with a total net investment in loans of $111,147 on total assets of $119,600. As of December 31, 2025, the portfolio totaled approximately $297,750 of commitments with a total net investment in loans of $157,025 on total assets of $165,380. At March 31, 2026, the portfolio consisted of 48 issuers with an average balance of approximately $2,316 versus 48 issuers with an average balance of approximately $3,271 at December 31, 2025. All of the commitments in SLR Healthcare’s portfolio are floating-rate, senior-secured, cash-pay loans. SLR Healthcare’s credit facility, which is non-recourse to us, had approximately $83,900 and $127,200 of borrowings outstanding at March 31, 2026 and December 31, 2025, respectively. For the three months ended March 31, 2026 and 2025, SLR Healthcare had net income of $1,808 and $1,431, respectively, on gross income of $5,557 and $5,304, respectively. Due to timing and non-cash items, there may be material differences between GAAP net income and cash available for distributions. As such, and subject to fluctuations in SLR Healthcare’s funded commitments, the timing of originations, and the repayments of financings, the Company cannot guarantee that SLR Healthcare will be able to maintain consistent dividend payments to us.

SLR Healthcare ABL

3 Months Ended

Mar. 31, 2026

Equity Method Investments and Joint Ventures [Abstract]

Note 14. SLR Healthcare ABL

SUNS acquired an equity interest in SLR Healthcare ABL, f/k/a Gemino Healthcare Finance, LLC (“SLR Healthcare”), on September 30, 2013. SLR Healthcare is a commercial finance company that originates, underwrites, and manages primarily secured, asset-based loans for small and mid-sized companies operating in the healthcare industry. SUNS’s initial investment in SLR Healthcare ABL was $32,839. The management team of SLR Healthcare co-invested in the transaction and continues to lead SLR Healthcare. As of March 31, 2026, SLR Healthcare’s management team and the Company owned approximately 8% and 92% of the

equity in SLR Healthcare, respectively. SLRC acquired SLR Healthcare in connection with the SUNS acquisition on April 1, 2022. Effective upon an amendment dated March 27, 2026, SLR Healthcare has a $160,000 non-recourse credit facility, which is expandable to $300,000 under its accordion facility. The maturity date of this facility is March 27, 2031.

SLR Healthcare currently manages a highly diverse portfolio of directly-originated and underwritten senior-secured commitments. As of March 31, 2026, the portfolio totaled approximately $253,250 of commitments with a total net investment in loans of $111,147 on total assets of $119,600. As of December 31, 2025, the portfolio totaled approximately $297,750 of commitments with a total net investment in loans of $157,025 on total assets of $165,380. At March 31, 2026, the portfolio consisted of 48 issuers with an average balance of approximately $2,316 versus 48 issuers with an average balance of approximately $3,271 at December 31, 2025. All of the commitments in SLR Healthcare’s portfolio are floating-rate, senior-secured, cash-pay loans. SLR Healthcare’s credit facility, which is non-recourse to us, had approximately $83,900 and $127,200 of borrowings outstanding at March 31, 2026 and December 31, 2025, respectively. For the three months ended March 31, 2026 and 2025, SLR Healthcare had net income of $1,808 and $1,431, respectively, on gross income of $5,557 and $5,304, respectively. Due to timing and non-cash items, there may be material differences between GAAP net income and cash available for distributions. As such, and subject to fluctuations in SLR Healthcare’s funded commitments, the timing of originations, and the repayments of financings, the Company cannot guarantee that SLR Healthcare will be able to maintain consistent dividend payments to us.