Company: CCIXW
Filing Date: 2025-12-05
Form Type: S-4/A
Source: 0001193125-25-309933
Chunk: 771

Company: Churchill Capital Corp IX/Cayman
Filing Date: 2025-12-05
Form: S-4/A
Chunk 771
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 vested or unvested, be assumed and converted into an option to purchase a number of shares of (x) SPAC Class A Common Stock to the extent such Company Option was granted under the 2017 Plan or (y) SPAC Class B Common Stock to the extent such Company Option was granted under the 2021 Plan, on the same terms and conditions (including applicable vesting, exercise, termination, and expiration provisions) as are in effect with respect to each such Company Option immediately prior to the First Effective Time (each, an “Exchanged Option”);provided, that each Exchanged Option will represent the right to acquirethe whole number of shares of SPAC Class A Common Stock or SPAC Class B Common Stock, as applicable, subject to such Exchanged Option (with any fractional share otherwise resulting rounded down to the nearest whole share) equal the product of(x)the number of shares of Company Common Stock that were subject to such Company Option immediately prior to the First Effective

<div align='center'>A-22</div>

Time,multiplied by(y)the Exchange Ratio, and such Exchanged Option’s per-share exercise price shall equal the quotient of (1) the exercise price per share of Company Common Stock (with any fractional cent otherwise resulting rounded up to the nearest whole cent) at which such Company Option was exercisable immediately prior to the First Effective Time,dividedby (2) the Exchange Ratio;provided, that each Company Option(A)which is an “incentive stock option” (as defined inSection 422of the Code) shall be adjusted in accordance with the requirements ofSection 424of the Code and(B)shall be adjusted in a manner that complies withor is exempt from Section 409Aof the Code, and any ambiguities or ambiguous terms herein will be interpreted to so comply or be exempt.

(c)Company RSUs. At the First Effective Time, each award of Company RSUs that is outstanding and unvested immediately prior to the First Effective Time shall, by virtue of the First Merger and without any further action on the part of any Party or the holder thereof, be assumed and converted into the right to receive restricted stock units subject to SPAC Class A Common Stock on the same terms and conditions (including applicable vesting, settlement, and termination provisions) as are in effect with respect to each such award of Company RSUs immediately prior to the First Effective Time (each, an “Exchanged RSU”);providedthat each Exchanged RSU