Company: CCIXW
Filing Date: 2025-11-24
Form Type: DEF 14A
Source: 0001193125-25-293828
Chunk: 5

Company: Churchill Capital Corp IX/Cayman
Filing Date: 2025-11-24
Form: DEF 14A
Chunk 5
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 SECURITIES                   |     |   15 |
| FUTURE SHAREHOLDER PROPOSALS                         |     |   17 |
| HOUSEHOLDING INFORMATION                             |     |   18 |
| WHERE YOU CAN FIND MORE INFORMATION                  |     |   19 |

CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS Some of the statements contained in this Proxy Statement constitute forward-looking statements within the meaning of the U.S. federal securities laws. Forward-looking statements relate to expectations, beliefs, projections, future plans and strategies, anticipated events or trends and similar expressions concerning matters that are not historical facts. Forward-looking statements reflect our current views with respect to, among other things, our capital resources and results of operations. Likewise, our financial statements and all of our statements regarding market conditions and results of operations are forward-looking statements. In some cases, you can identify these forward-looking statements by the use of terminology such as “outlook,” “believes,” “expects,” “potential,” “continues,” “may,” “will,” “should,” “could,” “seeks,” “approximately,” “predicts,” “intends,” “plans,” “estimates,” “anticipates” or the negative version of these words or other comparable words or phrases. The forward-looking statements contained in this Proxy Statement reflect our current views about future events and are subject to numerous known and unknown risks, uncertainties, assumptions and changes in circumstances that may cause our actual results to differ significantly from those expressed in any forward-looking statement. We do not guarantee that the transactions and events described will happen as described (or that they will happen at all). The following factors, among others, could cause actual results and future events to differ materially from those set forth or contemplated in the forward-looking statements:

| • |     | our ability to complete PlusAI Business Combination (as defined below); |

| • |     | the anticipated benefits of the PlusAI Business Combination; |

| • |     | the volatility of the market price and liquidity of our securities; |

| • |     | the use of funds not held in the Trust Account or available to us from interest income on the Trust Account 
 balance; and                                                                                                |

| • |     | the competitive environment in which our successor will operate following the PlusAI Business Combination. |

Additionally, in 2024, the SEC adopted additional rules and regulations relating to special purpose acquisition companies (“ SPACs” and such rules, the “ 2024 SPAC Rules”). The 2024 SPAC