Linden group (ALF) discloses 1,000,000-share Centurion Acquisition Corp holding

Rhea-AI Filing Summary

Linden Capital L.P., Linden GP LLC, Linden Advisors LP and Siu Min (Joe) Wong report their beneficial ownership of Class A Ordinary Shares of Centurion Acquisition Corp. As of June 30, 2026, Linden Advisors and Mr. Wong may each be deemed to beneficially own 1,000,000 shares, consisting of 952,477 shares held by Linden Capital and 47,523 shares held by separately managed accounts. Linden Capital and Linden GP may each be deemed to beneficially own 952,477 shares.

These positions represent approximately 3.5% of the outstanding Class A shares for Linden Advisors and Mr. Wong and 3.3% for Linden Capital and Linden GP. All voting and dispositive authority is described as shared, with no sole voting or dispositive power reported by any of the reporting persons.

Key Figures

Beneficial ownership (Linden Advisors and Wong): 1,000,000 shares Beneficial ownership (Linden Capital and Linden GP): 952,477 shares Percent of class (Linden Advisors and Wong): 3.5% +3 more

6 metrics

Beneficial ownership (Linden Advisors and Wong) 1,000,000 shares Class A Ordinary Shares beneficially owned as of June 30, 2026

Beneficial ownership (Linden Capital and Linden GP) 952,477 shares Class A Ordinary Shares held by Linden Capital as of June 30, 2026

Percent of class (Linden Advisors and Wong) 3.5% Approximate percentage of outstanding Class A shares as of June 30, 2026

Percent of class (Linden Capital and Linden GP) 3.3% Approximate percentage of outstanding Class A shares as of June 30, 2026

Managed Accounts holding 47,523 shares Portion of 1,000,000 shares held in separately managed accounts

Ownership status 5 percent or less Item 5 indicates ownership of 5 percent or less of the class

Key Terms

beneficial owner, shared voting power, dispositive power, Managed Accounts, +1 more

5 terms

beneficial owner financial

"may be deemed the beneficial owner of 1,000,000 Shares"

A beneficial owner is the person who ultimately owns or controls a financial asset or property, even if their name isn't directly on official documents. Think of it like someone who secretly holds the keys to a safe deposit box—others may appear to have access, but the true owner is the one who benefits from what's inside. Identifying beneficial owners helps ensure transparency and prevent illegal activities like money laundering or fraud.

shared voting power financial

"Shared Voting Power 1,000,000.00"

Shared voting power occurs when two or more parties jointly have the right to vote or decide how a block of company shares is cast, like co-owners who must agree before moving a piece of furniture. Investors care because who controls voting rights affects board elections, major corporate decisions and takeover outcomes, and shared control can alter regulatory disclosures and the practical influence any holder has over a company’s direction and value.

dispositive power financial

"Shared Dispositive Power 1,000,000.00"

Dispositive power is the authority to decide the final outcome of an asset, legal claim, contract, or corporate action — in effect the power to dispose of or resolve something. For investors it matters because whoever holds that authority can determine who gets paid, who controls an asset or vote, and how risks and returns are allocated; think of it like holding the key that lets you lock in the winner or loser in a deal.

Managed Accounts financial

"47,523 Shares held by the Managed Accounts"

Managed accounts are collections of investments owned by an individual or institution but run day-to-day by a professional who buys, sells and allocates assets according to an agreed plan. They matter to investors because they provide tailored oversight, active risk control and potential tax efficiency—like hiring a personal chef to manage your diet—while fees and the manager’s skill directly affect returns.

parent holding company financial

"If a parent holding company has filed this schedule"

FAQ

How many Centurion Acquisition Corp (ALF) shares do the Linden entities report owning?

The filing states that Linden Advisors LP and Siu Min (Joe) Wong may each be deemed to beneficially own 1,000,000 Class A shares, including 952,477 shares held by Linden Capital and 47,523 shares held in separately managed accounts.

What percentage of Centurion Acquisition Corp (ALF) does Linden Advisors beneficially own?

As of June 30, 2026, Linden Advisors LP and Siu Min (Joe) Wong may each be deemed the beneficial owner of approximately 3.5% of the Class A Ordinary Shares outstanding, according to the Schedule 13G/A amendment.

What is Linden Capital L.P.’s ownership stake in Centurion Acquisition Corp (ALF)?

Linden Capital L.P. and its general partner Linden GP LLC may each be deemed to beneficially own 952,477 Class A shares, representing approximately 3.3% of the outstanding class, all held for the account of Linden Capital.

Do the Linden reporting persons have sole or shared voting power over Centurion (ALF) shares?

The reporting persons disclose no sole voting or dispositive power. Linden Capital and Linden GP report 952,477 shares with shared voting and dispositive power, while Linden Advisors and Mr. Wong report 1,000,000 shares with shared voting and dispositive power.

Who are the reporting persons in this Centurion Acquisition Corp (ALF) Schedule 13G/A?

The amendment is filed on behalf of Linden Capital L.P., Linden GP LLC, Linden Advisors LP, and Siu Min (Joe) Wong. Linden Advisors manages Linden Capital and certain managed accounts; Mr. Wong controls Linden Advisors and Linden GP.

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Available on EDGAR 08/14/2026 - 11:59 AM Accepted by SEC EDGAR 08/14/2026 - 11:59 AM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

Centurion Acquisition Corp.

(Name of Issuer)

Class A Ordinary Shares, par value $0.0001 per share

(Title of Class of Securities)

G20315100

(CUSIP Number)

06/30/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): G20315100

1

Names of Reporting Persons

Linden Capital L.P.

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

BERMUDA

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 952,477.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 952,477.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

952,477.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

3.3 %

12

Type of Reporting Person (See Instructions)

PN

SCHEDULE 13G

CUSIP Number(s): G20315100

1

Names of Reporting Persons

Linden GP LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 952,477.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 952,477.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

952,477.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

3.3 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

CUSIP Number(s): G20315100

1

Names of Reporting Persons

Linden Advisors LP

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 1,000,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,000,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,000,000.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

3.5 %

12

Type of Reporting Person (See Instructions)

IA, PN

SCHEDULE 13G

CUSIP Number(s): G20315100

1

Names of Reporting Persons

Siu Min Wong

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 1,000,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,000,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,000,000.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

3.5 %

12

Type of Reporting Person (See Instructions)

IN, HC

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Centurion Acquisition Corp.
(b)	Address of issuer's principal executive offices: 667 Madison Avenue, 5th Floor, New York, NY 10065
Item 2.
(a)	Name of person filing: This Statement is filed on behalf of each of the following persons (collectively, the "Reporting Persons") i) Linden Capital L.P., a Bermuda limited partnership ("Linden Capital"); ii) Linden GP LLC, a Delaware limited liability company ("Linden GP"); iii) Linden Advisors LP, a Delaware limited partnership ("Linden Advisors"); and iv) Siu Min (Joe) Wong ("Mr. Wong"). This Statement relates to Class A Ordinary Shares, par value $0.001 per share (the "Shares") of Centurion Acquisition Corp. (the "Issuer") held for the account of Linden Capital and one or more separately managed accounts (the "Managed Accounts"). Linden GP is the general partner of Linden Capital and, in such capacity, may be deemed to beneficially own the Shares held by Linden Capital. Linden Advisors is the investment manager of Linden Capital and trading advisor or investment advisor for the Managed Accounts. Mr. Wong is the principal owner and controlling person of Linden Advisors and Linden GP. In such capacities, Linden Advisors and Mr. Wong may each be deemed to beneficially own the Shares held by Linden Capital and the Managed Accounts.
(b)	Address or principal business office or, if none, residence: The principal business address for Linden Capital is Victoria Place, 31 Victoria Street, Hamilton HM10, Bermuda. The principal business address for each of Linden Advisors, Linden GP and Mr. Wong is 590 Madison Avenue, 32nd Floor, New York, New York 10022.
(c)	Citizenship: i) Linden Capital is a Bermuda limited partnership. ii) Linden GP is a Delaware limited liability company. iii) Linden Advisors is a Delaware limited partnership. iv) Mr. Wong is a citizen of China (Hong Kong) and the United States.
(d)	Title of class of securities: Class A Ordinary Shares, par value $0.0001 per share
(e)	CUSIP No.: G20315100
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: As of June 30, 2026, each of Linden Advisors and Mr. Wong may be deemed the beneficial owner of 1,000,000 Shares. This amount consists of 952,477 Shares held by Linden Capital and 47,523 Shares held by the Managed Accounts. As of June 30, 2026, each of Linden GP and Linden Capital may be deemed the beneficial owner of the 952,477 Shares held by Linden Capital.
(b)	Percent of class: As of June 30, 2026 each of Linden Advisors and Mr. Wong may be deemed the beneficial owner of approximately 3.5% of Shares outstanding, and each of Linden GP and Linden Capital may be deemed the beneficial owner of approximately 3.3% of Shares outstanding.
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: Linden Capital and Linden GP: 0 Linden Advisors and Mr. Wong: 0
	(ii) Shared power to vote or to direct the vote: Linden Capital and Linden GP: 952,477 Linden Advisors and Mr. Wong: 1,000,000
	(iii) Sole power to dispose or to direct the disposition of: Linden Capital and Linden GP: 0 Linden Advisors and Mr. Wong: 0
	(iv) Shared power to dispose or to direct the disposition of: Linden Capital and Linden GP: 952,477 Linden Advisors and Mr. Wong: 1,000,000
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required. See disclosure in Items 2 and 4 hereof.
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary. See disclosure in Item 2 hereof.
Item 8.	Identification and Classification of Members of the Group.
	If a group has filed this schedule pursuant to §240.13d-1(b)(1)(ii)(J), so indicate under Item 3(j) and attach an exhibit stating the identity and Item 3 classification of each member of the group. If a group has filed this schedule pursuant to §240.13d-1(c) or §240.13d-1(d), attach an exhibit stating the identity of each member of the group. See Exhibit A attached hereto.
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Linden Capital L.P.

Signature:	/S/ Saul Ahn
Name/Title:	Saul Ahn, Authorized Signatory
Date:	08/12/2026

Linden GP LLC

Signature:	/S/ Saul Ahn
Name/Title:	Saul Ahn, Authorized Signatory
Date:	08/12/2026

Linden Advisors LP

Signature:	/S/ Saul Ahn
Name/Title:	Saul Ahn, General Counsel
Date:	08/12/2026

Siu Min Wong

Signature:	/S/ Saul Ahn
Name/Title:	Saul Ahn, Attorney-in-Fact for Siu Min Wong**
Date:	08/12/2026

Comments accompanying signature: **Duly authorized under Siu Min Wong's Power of Attorney, dated June 10, 2019, incorporated herein by reference to Exhibit B of the statement on Schedule 13G filed by Linden Capital L.P. on June 19, 2019 in respect of its holdings in Haymaker Acquisition Corp II.