Company: MCHB
Filing Date: 2025-07-15
Form Type: S-4/A
Source: 0001140361-25-025920
Chunk: 360

Company: Mechanics Bancorp
Filing Date: 2025-07-15
Form: S-4/A
Chunk 360
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     |     $8,752 |     |    $98,221 |     |     $8,752 |
| Obligations of states and political subdivisions |     |                 352 |     |          — |     |            32,277 |     |        915 |     |     32,629 |     |        915 |
| Mortgage-backed securities - residential         |     |                   — |     |          — |     |         1,530,407 |     |    179,081 |     |  1,530,407 |     |    179,081 |
| Mortgage-backed securities - commercial          |     |                   — |     |          — |     |           568,804 |     |     67,113 |     |    568,804 |     |     67,113 |
| Collateralized loan obligations                  |     |                   — |     |          — |     |                 — |     |          — |     |          — |     |          — |
| Corporate bonds                                  |     |                   — |     |          — |     |            42,443 |     |      8,577 |     |     42,443 |     |      8,577 |
| Total securities                                 |     |                $352 |     |         $— |     |        $2,272,152 |     |   $264,438 |     | $2,272,504 |     |   $264,438 |
| Number of securities with unrealized losses      |     |                     |     |          1 |     |                   |     |        563 |     |            |     |        564 |

The Bank did not record an ACL on the debt securities portfolio at December 31, 2024 or December 31, 2023. As of both dates, the Bank considers any unrealized loss across the classes of major security-type to be related to fluctuations in market conditions, primarily interest rates, and not reflective of a deterioration in credit quality. The Bank maintains that it has intent and ability to hold these securities until the amortized cost basis of each security is recovered and likewise concluded as of December 31, 2024 that it was not more likely than not that any of the securities in an unrealized loss position would be required to be sold.

F-21

TABLE OF CONTENTS

U.S. Treasuries and US Government-Sponsored Agency Securities - For the