| Schedule of investment securities held to maturity |
The following is a summary of the Company’s investment securities held to maturity as of June 30, 2026: | | | | | | | | | | | | | | | | | | Gross | | Gross | | | | | | Amortized | | Unrealized | | Unrealized | | Estimated Fair | | | Cost | | Gains | | Losses | | Value | Held-to-maturity securities – current: | | | | | | | | | | | | | U.S. Treasury Strips | | $ | 4,665,947 | | $ | — | | $ | (3,539) | | $ | 4,662,408 | Held-to-maturity securities – noncurrent: | | | | | | | | | | | | | U.S. Treasury Strips | | | 16,065,384 | | | 1,993 | | | (144,444) | | | 15,922,933 | Total held-to-maturity securities | | $ | 20,731,331 | | $ | 1,993 | | $ | (147,983) | | $ | 20,585,341 |
The following is a summary of the Company’s investment securities held to maturity as of December 31, 2025: | | | | | | | | | | | | | | | | | | Gross | | Gross | | | | | | Amortized | | Unrealized | | Unrealized | | Estimated Fair | | | Cost | | Gain | | Losses | | Value | Held-to-maturity securities – current: | | | | | | | | | | | | | U.S. Treasury Strips | | $ | 4,577,706 | | $ | 3,004 | | $ | — | | $ | 4,580,710 | Held-to-maturity securities – noncurrent: | | | | | | | | | | | | | U.S. Treasury Strips | | | 15,773,251 | | | 68,770 | | | (2,144) | | | 15,839,877 | Total held-to-maturity securities | | $ | 20,350,957 | | $ | 71,774 | | $ | (2,144) | | $ | 20,420,587 |
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| Schedule of maturity for held to maturity securities |
At June 30, 2026, the Company’s held to maturity securities were scheduled to mature as follows: | | | | | | | | | Amortized | | Estimated Fair | | | Cost | | Value | Maturing in next twelve months | | $ | 4,665,947 | | $ | 4,662,408 | Maturing in next one to five years | | | 16,065,384 | | | 15,922,933 | Total held-to-maturity securities | | $ | 20,731,331 | | $ | 20,585,341 |
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