Company: CCIXW
Filing Date: 2025-12-05
Form Type: S-4/A
Source: 0001193125-25-309933
Chunk: 322

Company: Churchill Capital Corp IX/Cayman
Filing Date: 2025-12-05
Form: S-4/A
Chunk 322
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 amounts, if any, pursuant to the Working Capital Loans. (3) Reflects the preliminary estimated unpaid direct and incremental transaction costs of $11.4 million incurred by PlusAI prior to, or concurrent with, the closing. Interests of Certain PlusAI Persons in the Business Combination In considering the recommendation of the PlusAI Board with respect to approving the Transactions, PlusAI stockholders should be aware that certain members of the PlusAI Board and certain executive officers of PlusAI have interests in the Transactions that are different from, or in addition to, the interests of PlusAI stockholders generally. These interests include, among other things: • Certain of PlusAI’s directors and executive officers are expected to become directors and/or executive officers of the Post-Closing Company upon the Closing. Each of David Liu, Hao Zheng and Richard Lim are expected to become directors of the Post-Closing Company, effective as of the Effective Time, and all of PlusAI’s executive officers are expected to become the executive officers of the Post-Closing Company, effective as of the Effective Time. • Certain of PlusAI’s directors and executive officers hold restricted stock units (“ RSU ”) covering shares of PlusAI Class A common stock, which RSUs at the Effective Time will be assumed by CCIX and converted into RSUs covering shares of Post-Closing Company Class A common stock. The treatment of such equity awards in connection with the Transactions is described in the section entitled “ Proposal No. 1—The Business Combination Proposal—General—Treatment of PlusAI Options, PlusAI RSUs and PlusAI Warrants .” The aggregate number of shares of PlusAI Class A common stock subject to such PlusAI RSUs held by PlusAI executive officers and directors as of September 30, 2025, is set forth in the table below.

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|                                   |     | Number of Shares  
 of PlusAI Class A 
 Common Stock      
 Subject to PlusAI 
 RSUs              |            |
| Named Executive Officers          |     |                   |  5,000,000 |
| All Executive Officers as a Group |     |                   | 17,000,000 |
| Non-Employee Directors            |     |                   |    250,000 |

The vesting of the PlusAI RSUs set forth in the table above is subject to both continued service over a specified schedule and the occurrence of a liquidity event of PlusAI during a specified period. For purposes of such vesting, the consummation of the Mer