Company: ISBA
Filing Date: 2025-11-10
Form Type: 10-Q
Source: 0000842517-25-000210
Chunk: 26

Company: ISABELLA BANK CORP
Filing Date: 2025-11-10
Form: 10-Q
Item: Part I, Item 1
Chunk 26
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524,534 Fair value$170,246 $66,903 $26,153 $21,268 $227,400 $511,970 Expected maturities for government sponsored enterprises and states and political subdivisions may differ from contractual maturities as issuers may have the right to call or prepay obligations.As the auction rate money market preferred investments have continual call dates, they are not reported by a specific maturity group. Because of their variable monthly payments, mortgage-backed securities and collateralized mortgage obligations are not reported by a specific maturity group.

11

The information in the following tables pertains to AFS securities with gross unrealized losses at September 30, 2025 and December 31, 2024, aggregated by investment category and length of time that individual securities have been in a continuous loss position for which an allowance for credit losses has not been recorded. September 30, 2025 Less Than Twelve MonthsTwelve Months or More GrossUnrealizedLossesFairValueGrossUnrealizedLossesFairValueTotalUnrealizedLossesU.S. Treasury$— $— $4,421 $206,041 $4,421 States and political subdivisions449 6,642 2,517 31,820 2,966 Auction rate money market preferred— — 410 2,790 410 Mortgage-backed securities— — 1,299 23,397 1,299 Collateralized mortgage obligations59 8,991 3,793 125,753 3,852 Corporate60 1,640 663 5,787 723 Total$568 $17,273 $13,103 $395,588 $13,671 Number of securities in an unrealized loss position:39 144 183  December 31, 2024 Less Than Twelve MonthsTwelve Months or MoreGrossUnrealizedLossesFairValueGrossUnrealizedLossesFairValueTotalUnrealizedLossesU.S. Treasury$— $— $10,236 $220,571 $10,236 States and political subdivisions486 23,553 4,090 36,796 4,576 Auction rate money market preferred— — 156 3,044 156 Mort