Centurion Sponsor LP - 08 Jun 2026 Form 4 Insider Report for Centurion Acquisition Corp. (ALF)

Reporting relationship: Director, 10%+ Owner
Issuer ticker: ALF
Reported as of: 08 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 15 Jun 2026, 21:05:25 UTC
Prior SEC filing: 11 Jun 2025
Source filing: View source filing
Reporting owner signature: /s/ Jordan Leon, Attorney-in-Fact for Centurion Sponsor LP

Key filing fact

Centurion Sponsor LP filed Form 4 for Centurion Acquisition Corp. (ALF) on 15 Jun 2026.

Key facts

This page summarizes Centurion Sponsor LP's Form 4 filing for Centurion Acquisition Corp. (ALF).
2 reported transactions and 3 derivative rows are listed below.
Accepted by SEC: 15 Jun 2026, 21:05.

Change

Previous filing in this sequence was filed on 11 Jun 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (3)

CIK 0002026662 Primary reporting owner

Centurion Sponsor LP

Relationship: Director, 10%+ Owner
Address: C/O CENTURION ACQUISITION CORP., 667 MADISON AVENUE, 5TH FLOOR, NEW YORK
Signature: /s/ Jordan Leon, Attorney-in-Fact for Centurion Sponsor LP
Signature date: 15 Jun 2026

CIK 0002026692

Centurion Sponsor GP LLC

Relationship: Director, 10%+ Owner
Address: C/O CENTURION ACQUISITION CORP., 667 MADISON AVENUE, 5TH FLOOR, NEW YORK
Signature: /s/ Jordan Leon, Attorney-in-Fact for Centurion Sponsor GP LLC
Signature date: 15 Jun 2026

CIK 0001805731

Gomberg David

Relationship: President, Director, 10%+ Owner
Address: C/O CENTURION ACQUISITION CORP., 667 MADISON AVENUE, 5TH FLOOR, NEW YORK
Signature: /s/ Jordan Leon, Attorney-in-Fact for David Gomberg
Signature date: 15 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ALF transaction

Class A Ordinary Shares

Conversion of derivative security

Transaction value
Shares: +7,067,500
Change %
Price
Shares after: 7,067,500
Date: 08 Jun 2026
Ownership: Direct
Footnotes: F1, F2

ALF transaction

Class A Ordinary Shares

Conversion of derivative security

Transaction value
Shares: +7,067,500
Change %
Price
Shares after: 7,067,500
Date: 08 Jun 2026
Ownership: Direct
Footnotes: F1, F2

ALF transaction

Class A Ordinary Shares

Conversion of derivative security

Transaction value
Shares: +7,067,500
Change %
Price
Shares after: 7,067,500
Date: 08 Jun 2026
Ownership: Direct
Footnotes: F1, F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ALF transaction Derivative

Class B Ordinary Shares

Conversion of derivative security

Transaction value
Shares: -7,067,500
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 Jun 2026
Ownership: Direct
Underlying class: Class A Ordinary Shares
Underlying amount: 7,067,500
Exercise price
Footnotes: F1, F2

ALF transaction Derivative

Class B Ordinary Shares

Conversion of derivative security

Transaction value
Shares: -7,067,500
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 Jun 2026
Ownership: Direct
Underlying class: Class A Ordinary Shares
Underlying amount: 7,067,500
Exercise price
Footnotes: F1, F2

ALF transaction Derivative

Class B Ordinary Shares

Conversion of derivative security

Transaction value
Shares: -7,067,500
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 Jun 2026
Ownership: Direct
Underlying class: Class A Ordinary Shares
Underlying amount: 7,067,500
Exercise price
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Pursuant to the Issuer's Amended and Restated Memorandum and Articles of Association, the Class B Ordinary Shares are convertible into Class A Ordinary Shares at the option of the holders thereof at any time, and from time to time, on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights, for no additional consideration, and have no expiration date. On June 8, 2026, the Reporting Person elected to convert 7.067.500 Class B Ordinary Shares held by it into 7,067,500 Class A Ordinary Shares.

Footnote F2

Centurion Sponsor LP is the record holder of the securities reported herein. Centurion Sponsor GP LLC is the general partner of Centurion Sponsor LP and David Gomberg is the manager of Centurion Sponsor GP LLC. Mr. Gomberg has voting and investment discretion with respect to the securities held of record by Centurion Sponsor LP.

SEC remarks

See Exhibit 99.1 - Joint Filer Information, which is incorporated herein by reference and describes in further detail the relationships of the Reporting Persons to the Issuer.

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