Company: BA
Filing Date: 2025-06-10
Form Type: 11-K
Source: 0000012927-25-000044
Chunk: 15

Company: BOEING CO
Filing Date: 2025-06-10
Form: 11-K
Chunk 15
---
 |                                 |     32 |
| Total liabilities                              |     |   |      1 |                  |     |   |    11 |             |     |   |  — |              |     |   |    114 |              |     |                                 |    126 |
| NET ASSETS                                     |     | $ | 15,771 |                  |     | $ | 1,491 |             |     | $ | 27 |              |     | $ | 54,098 |              |     | $                               | 71,387 |

*The amounts not leveled are related to investments using NAV as a practical expedient to estimate fair value, investments measured at contract value, and non-investment assets and liabilities. The amounts presented in this table are intended to permit reconciliation of the fair value hierarchy to the amounts presented in the Master Trust’s statements of net assets.

Master Trust net assets at fair value classified within Level 3 consisted of common and preferred stock, government and agency securities, corporate bonds, mortgage and asset-backed securities, and short-term investments. Such amounts were 0.06% and 0.04% of the Master Trust’s net assets as of December 31, 2024 and 2023, respectively.

#### Level 3 Transfers —
The availability of observable market data is monitored to assess the appropriate classification of financial instruments within the fair value hierarchy. Changes in economic conditions or model-based valuation techniques may require the transfer of financial instruments from one fair value level to another. The significance of transfers between levels is evaluated based upon the nature of the financial instrument and size of the transfer relative to net assets. There were no significant transfers into or out of Level 3 for the years ended December 31, 2024 and 2023.

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#### 6.

### DERIVATIVE FINANCIAL INSTRUMENTS
ASC 815, Derivatives and Hedging , requires disclosures on how and why derivatives are used, accounted for, and affect the results of operations and financial position. Derivative instruments held by the Master Trust are not designated as hedging instruments under ASC 815. The Master Trust investments are exposed to the following financial instrument risks:

#### Interest Rate Risk
#### —

Interest rate risk is the risk of change in the market value of the assets due to a change in interest rates. Bond futures, interest rate swaps, and interest rate swaptions are generally used to manage interest rate risk or adjust portfolio duration