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UNITED
STATES
SECURITIES
AND EXCHANGE COMMISSION
Washington,
D.C. 20549 |
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SEC
FILE NUMBER
001-41047 |
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FORM
12b-25 |
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CUSIP
NUMBER
G2061X102 |
NOTIFICATION
OF LATE FILING
| (Check one): |
☒Form 10-K ☐Form 20-F ☐Form 11-K |
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☐Form 10-Q ☐Form 10-D ☐Form N-CEN ☐Form N-CSR |
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For Period Ended: |
December 31, 2025 |
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☐ Transition Report on Form 10-K |
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☐ Transition Report on Form 20-F |
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☐ Transition Report on Form 11-K |
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☐ Transition Report on Form 10-Q |
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☐ Transition Report on Form N-SAR |
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For the Transition Period Ended: |
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| Read
Instruction (on back page) Before Preparing Form. Please Print or Type. |
| Nothing
in this form shall be construed to imply that the Commission has verified any information contained herein. |
| If
the notification relates to a portion of the filing checked above, identify the Item(s) to which the notification relates: |
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PART
I — REGISTRANT INFORMATION
| Chain
Bridge I |
| Full
Name of Registrant |
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| Former
Name if Applicable |
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| 8
The Green #17538 |
| Address
of Principal Executive Office (Street and Number) |
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| Dover,
DE 19901 |
| City,
State and Zip Code |
PART
II — RULES 12b-25(b) AND (c)
If
the subject report could not be filed without unreasonable effort or expense and the registrant seeks relief pursuant to
Rule
12b-25(b), the following should be completed. (Check box if appropriate)
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(a) |
The reasons
described in reasonable detail in Part III of this form could not be eliminated without unreasonable effort or expense; |
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| ☒ |
(b) |
The subject
annual report, semi-annual report, transition report on Form 10-K, Form 20-F, Form 11-K, Form N-SAR or Form N-CSR, or portion thereof,
will be filed on or before the fifteenth calendar day following the prescribed due date; or the subject quarterly report or transition
report on Form 10-Q or subject distribution report on Form 10-D, or portion thereof, will be filed on or before the fifth calendar
day following the prescribed due date; and |
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(c) |
The accountant’s
statement or other exhibit required by Rule 12b-25(c) has been attached if applicable. |
PART
III — NARRATIVE
State
below in reasonable detail why Forms 10-K, 20-F, 11-K, 10-Q, 10-D, N-SAR, N-CSR, or the transition report or portion thereof, could not
be filed within the prescribed time period.
The
Registrant’s Annual Report on Form 10-K for the year ended December 31, 2025 cannot be filed within the prescribed time period
because the Registrant needed additional time to compile certain financial and other information required to be included in the Form
10-K. The registrant undertakes the responsibility to file such report no later than five days after its original prescribed due date.
PART
IV — OTHER INFORMATION
| (1) |
Name
and telephone number of person to contact in regard to this notification |
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| Andrew Kucharchuk |
|
(302) |
|
597-7438 |
| (Name) |
|
(Area Code) |
|
(Telephone Number) |
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| (2) |
Have
all other periodic reports required under Section 13 or 15(d) of the Securities Exchange Act of 1934 or Section 30 of the Investment
Company Act of 1940 during the preceding 12 months or for such shorter period that the registrant was required to file such report(s)
been filed? If answer is no, identify report(s). |
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Yes
☒ No ☐ |
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| (3) |
Is
it anticipated that any significant change in results of operations from the corresponding period for the last fiscal year will be
reflected by the earnings statements to be included in the subject report or portion thereof? |
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Yes
☐ No ☒ |
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If
so: attach an explanation of the anticipated change, both narratively and quantitatively, and, if appropriate, state the reasons
why a reasonable estimate of the results cannot be made. |
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Chain
Bridge I |
|
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(Name
of Registrant as Specified in Charter) |
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has caused this
notification to be signed on its behalf by the undersigned hereunto duly authorized.
| Date |
April
1, 2026 |
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By |
/s/Andrew
Kucharchuk |
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|
|
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Andrew Kucharchuk |
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Chief Financial Officer |
Instruction:
The form may be signed by an executive officer of the registrant or by any other duly authorized representative. The name and title of
the person signing the form shall be typed or printed beneath the signature. If the statement is signed on behalf of the registrant by
an authorized representative (other than an executive officer), evidence of the representative’s authority to sign on behalf of
the registrant shall be filed with the form.