Launchpad Cadenza (LPCV) discloses 5.75M founder Class B shares, 20% stake

Rhea-AI Filing Summary

Launchpad Cadenza Acquisition Corp I files a Schedule 13G disclosing beneficial ownership of 5,750,000 Class B founder shares. The filing states those Class B shares are convertible one-for-one into Class A Ordinary Shares and represent 20.0% on a converted basis, using 23,000,000 Class A shares issued and outstanding as of March 27, 2026. The report names Launch Sponsor LLC, Launch Management Sponsor LLC, and managing members Ryan Gilbert and Shami Patel as reporting persons with voting and investment discretion over the founder shares; ownership is reported as of December 31, 2025.

Key Figures

Founder shares reported: 5,750,000 shares Converted stake: 20.0% Class A outstanding used: 23,000,000 shares +2 more

5 metrics

Founder shares reported 5,750,000 shares Class B Ordinary Shares beneficially owned as of December 31, 2025

Converted stake 20.0% Percent of Class A on conversion using 23,000,000 Class A outstanding as of March 27, 2026

Class A outstanding used 23,000,000 shares Class A Ordinary Shares issued and outstanding as of March 27, 2026

Excluded warrant shares 2,783,334 shares Class A shares purchasable upon exercise of warrants not presently exercisable

CUSIP G6001S123 Class A Ordinary Shares CUSIP shown on filing

Key Terms

Class B Ordinary Shares, founder shares, beneficially own, automatically convertible, +1 more

5 terms

Class B Ordinary Shares financial

"represent Issuer's Class B ordinary shares...automatically convertible"

Class B ordinary shares are a type of ownership stake in a company that typically come with different voting rights or privileges compared to other share classes. For investors, they represent a way to hold part of the company’s value and influence its decisions, often with fewer voting rights than Class A shares. Understanding these shares helps investors assess their level of control and potential returns within a company.

founder shares financial

"The 5,750,000 founder shares referred to in Rows..."

Founder shares are the ownership stakes given to the people who start a company, often with extra voting power or protections compared with ordinary shares. For investors, they matter because founders’ control and incentives influence decisions about strategy, hiring, and whether the company sells or stays independent — like a family that keeps majority voting rights in a household decision. High founder ownership can mean stable leadership but also a risk that outside shareholders have less influence.

beneficially own regulatory

"the Reporting Persons may be deemed to beneficially own 5,750,000"

Beneficially own means having the economic rights and risks of a security—such as the right to receive dividends, sell the shares, or profit from price changes—whether or not your name appears on the official share register. Think of it like renting a car: you use it and reap the benefits even if the title lists someone else. Investors care because beneficial ownership determines who truly controls value, must be disclosed under securities rules, and can signal potential influence or trading activity that affects a stock’s price.

automatically convertible financial

"automatically convertible into Issuer's Class A ordinary shares"

Schedule 13G regulatory

"LAUNCHPAD CADENZA ACQUISITION CORP I files a Schedule 13G"

A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

LAUNCHPAD CADENZA ACQUISITION CORP I

(Name of Issuer)

Class A Ordinary Shares, par value $0.0001 per share

(Title of Class of Securities)

G6001S123

(CUSIP Number)

12/31/2025

(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): G6001S123

1

Names of Reporting Persons

Launch Sponsor 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 5,750,000.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 5,750,000.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

5,750,000.00

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)

20.0 %

12

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person: The 5,750,000 founder shares referred to in Rows 5, 7, and 9 represent Issuer's Class B ordinary shares, par value $0.0001 per share ("Class B Ordinary Shares") which are automatically convertible into Issuer's Class A ordinary shares, par value $0.0001 per share ("Class A Ordinary Shares") with or immediately following the Issuer's initial business combination (the "Business Combination") and may be converted at any time prior to the Business Combination at the option of the holder, as more fully described under the heading "Description of Securities-Founder Shares" in the Issuer's Registration Statement on Form S-1 (File No. 333-291425). Ryan Gilbert and Shami Patel are the managing members of Launch Management Sponsor LLC, the sole managing member of Launch Sponsor LLC, and have voting and investment discretion with respect to the securities held of record by Launch Sponsor LLC. The 5,750,000 founder shares referred to in Rows 5, 7, and 9 exclude 2,783,334 Class A Ordinary Shares which may be purchased by exercising warrants that are not presently exercisable. The percentage in Row 11 is based on 23,000,000 Class A Ordinary Shares issued and outstanding and 5,750,000 Class B Ordinary Shares issued and outstanding as of March 27, 2026, as reported in the Issuer's Annual Report on Form 10-K for the year ended December 31, 2025 filed with the Securities and Exchange Commission on March 27, 2026.

SCHEDULE 13G

CUSIP Number(s): G6001S123

1

Names of Reporting Persons

Launch Management Sponsor 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 5,750,000.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 5,750,000.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

5,750,000.00

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)

20.0 %

12

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person: The 5,750,000 founder shares referred to in Rows 5, 7, and 9 represent Issuer's Class B ordinary shares, par value $0.0001 per share ("Class B Ordinary Shares") which are automatically convertible into Issuer's Class A ordinary shares, par value $0.0001 per share ("Class A Ordinary Shares") with or immediately following the Issuer's initial business combination (the "Business Combination") and may be converted at any time prior to the Business Combination at the option of the holder, as more fully described under the heading "Description of Securities-Founder Shares" in the Issuer's Registration Statement on Form S-1 (File No. 333-291425). Ryan Gilbert and Shami Patel are the managing members of Launch Management Sponsor LLC, the sole managing member of Launch Sponsor LLC, and have voting and investment discretion with respect to the securities held of record by Launch Sponsor LLC. The 5,750,000 founder shares referred to in Rows 5, 7, and 9 exclude 2,783,334 Class A Ordinary Shares which may be purchased by exercising warrants that are not presently exercisable. The percentage in Row 11 is based on 23,000,000 Class A Ordinary Shares issued and outstanding and 5,750,000 Class B Ordinary Shares issued and outstanding as of March 27, 2026, as reported in the Issuer's Annual Report on Form 10-K for the year ended December 31, 2025 filed with the Securities and Exchange Commission on March 27, 2026.

SCHEDULE 13G

CUSIP Number(s): G6001S123

1

Names of Reporting Persons

Ryan Gilbert

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 5,750,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 5,750,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

5,750,000.00

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)

20.0 %

12

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person: The 5,750,000 founder shares referred to in Rows 6, 8, and 9 represent Issuer's Class B ordinary shares, par value $0.0001 per share ("Class B Ordinary Shares") which are automatically convertible into Issuer's Class A ordinary shares, par value $0.0001 per share ("Class A Ordinary Shares") with or immediately following the Issuer's initial business combination (the "Business Combination") and may be converted at any time prior to the Business Combination at the option of the holder, as more fully described under the heading "Description of Securities-Founder Shares" in the Issuer's Registration Statement on Form S-1 (File No. 333-291425). Ryan Gilbert is a managing member of Launch Management Sponsor LLC, the sole managing member of Launch Sponsor LLC, and has voting and investment discretion with respect to the securities held of record by Launch Sponsor LLC. The 5,750,000 founder shares referred to in Rows 6, 8, and 9 exclude 2,783,334 Class A Ordinary Shares which may be purchased by exercising warrants that are not presently exercisable. The percentage in Row 11 is based on 23,000,000 Class A Ordinary Shares issued and outstanding and 5,750,000 Class B Ordinary Shares issued and outstanding as of March 27, 2026, as reported in the Issuer's Annual Report on Form 10-K for the year ended December 31, 2025 filed with the Securities and Exchange Commission on March 27, 2026.

SCHEDULE 13G

CUSIP Number(s): G6001S123

1

Names of Reporting Persons

Shami Patel

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 5,750,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 5,750,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

5,750,000.00

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)

20.0 %

12

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person: The 5,750,000 founder shares referred to in Rows 6, 8, and 9 represent Issuer's Class B ordinary shares, par value $0.0001 per share ("Class B Ordinary Shares") which are automatically convertible into Issuer's Class A ordinary shares, par value $0.0001 per share ("Class A Ordinary Shares") with or immediately following the Issuer's initial business combination (the "Business Combination") and may be converted at any time prior to the Business Combination at the option of the holder, as more fully described under the heading "Description of Securities-Founder Shares" in the Issuer's Registration Statement on Form S-1 (File No. 333-291425). Shami Patel is a managing member of Launch Management Sponsor LLC, the sole managing member of Launch Sponsor LLC, and has voting and investment discretion with respect to the securities held of record by Launch Sponsor LLC. The 5,750,000 founder shares referred to in Rows 6, 8, and 9 exclude 2,783,334 Class A Ordinary Shares which may be purchased by exercising warrants that are not presently exercisable. The percentage in Row 11 is based on 23,000,000 Class A Ordinary Shares issued and outstanding and 5,750,000 Class B Ordinary Shares issued and outstanding as of March 27, 2026, as reported in the Issuer's Annual Report on Form 10-K for the year ended December 31, 2025 filed with the Securities and Exchange Commission on March 27, 2026.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: LAUNCHPAD CADENZA ACQUISITION CORP I
(b)	Address of issuer's principal executive offices: 180 Grand Avenue, Suite 1530 Oakland CA 94612
Item 2.
(a)	Name of person filing: Launch Sponsor LLC, Launch Management Sponsor LLC, Ryan Gilbert, and Shami Patel (collectively, the "Reporting Persons")
(b)	Address or principal business office or, if none, residence: 180 Grand Avenue, Suite 1530 Oakland CA 94612
(c)	Citizenship: Launch Sponsor LLC is a limited liability company formed in Delaware. Launch Management Sponsor LLC is a limited liability company formed in Delaware. Ryan Gilbert is a citizen of the United States of America. Shami Patel is a citizen of the United States of America.
(d)	Title of class of securities: Class A Ordinary Shares, par value $0.0001 per share
(e)	CUSIP Number(s): G6001S123
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 December 31, 2025, the Reporting Persons may be deemed to beneficially own 5,750,000 of the Issuer's Class B Ordinary Shares. Launch Sponsor LLC is the record holder of the Class B Ordinary Shares reported herein. Ryan Gilbert and Shami Patel are the managing members of Launch Management Sponsor LLC, the sole managing member of Launch Sponsor LLC, and have voting and investment discretion with respect to the securities held of record by Launch Sponsor LLC. Ryan Gilbert and Shami Patel may be deemed the beneficial owner of the securities held by Launch Sponsor LLC and have voting and investment discretion with respect to such securities. This Statement shall not be construed as an admission that the Reporting Persons are, for purposes of Section 13(d) and 13(g), beneficial owners of any securities covered by this Statement.
(b)	Percent of class: The 5,750,000 of the Issuer's Class B Ordinary Shares owned by the Reporting Persons constitute 20.0% of the total number of Class A Ordinary Shares issued and outstanding and assuming the conversion of all issued and outstanding Class B Ordinary Shares of the Issuer. The Class B Ordinary Shares are automatically convertible into Class A Ordinary Shares with or immediately following the Business Combination on a one-for-one basis and may be converted at any time prior to the Business Combination at the option of the holder on a one-for-one basis, subject to certain adjustments, as more fully described under the heading "Description of Securities-Founder Shares" in the Issuer's Registration Statement on Form S-1 (File No. 333-291425). The percentage of the Class B Ordinary Shares held by the Reporting Persons is based on 23,000,000 Class A Ordinary Shares issued and outstanding as of March 27, 2026, as reported in the Issuer's Annual Report on Form 10-K for the year ended December 31, 2025 filed with the Securities and Exchange Commission on March 27, 2026 and assuming the conversion of all 5,750,000 Class B Ordinary Shares.
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: Launch Sponsor LLC: 5,750,000 Launch Management Sponsor LLC: 5,750,000 Ryan Gilbert: 0 Shami Patel: 0
	(ii) Shared power to vote or to direct the vote: Launch Sponsor LLC: 0 Launch Management Sponsor LLC: 0 Ryan Gilbert: 5,750,000 Shami Patel: 5,750,000
	(iii) Sole power to dispose or to direct the disposition of: Launch Sponsor LLC: 5,750,000 Launch Management Sponsor LLC: 5,750,000 Ryan Gilbert: 0 Shami Patel: 0
	(iv) Shared power to dispose or to direct the disposition of: Launch Sponsor LLC: 0 Launch Management Sponsor LLC: 0 Ryan Gilbert: 5,750,000 Shami Patel: 5,750,000
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.	Certifications:
	Not Applicable

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.

Launch Sponsor LLC

Signature:	/s/ Ryan Gilbert
Name/Title:	Ryan Gilber/ Managing Member of Launch Management Sponsor LLC, the Managing Member of Launch Sponsor LLC
Date:	04/02/2026

Launch Management Sponsor LLC

Signature:	/s/ Ryan Gilbert
Name/Title:	Managing Member
Date:	04/02/2026

Ryan Gilbert

Signature:	/s/ Ryan Gilbert
Name/Title:	Individual
Date:	04/02/2026

Shami Patel

Signature:	/s/ Shami Patel
Name/Title:	Individual
Date:	04/02/2026

FAQ

What stake does Launch Sponsor report in LPCV?

The report shows 5,750,000 Class B founder shares, representing 20.0% on a converted basis. This percentage is calculated using 23,000,000 Class A Ordinary Shares outstanding as of March 27, 2026 and assuming conversion of all Class B shares.

Who are the reporting persons on the Schedule 13G for LPCV?

The filing lists Launch Sponsor LLC, Launch Management Sponsor LLC, and individuals Ryan Gilbert and Shami Patel. Gilbert and Patel are managing members with voting and investment discretion over the securities held by Launch Sponsor LLC.

Are the founder shares convertible into Class A shares?

Yes. The filing states the Class B Ordinary Shares are automatically convertible one-for-one into Class A Ordinary Shares with or immediately following the issuer's initial business combination, and may be converted earlier at the holder's option.

Do the reported shares include warrants or other instruments?

The filing excludes 2,783,334 Class A Ordinary Shares that may be purchased by exercising warrants that are not presently exercisable. Those warrant-related shares are not included in the 5,750,000 founder shares count.

What dates anchor the ownership and share counts in the filing?

Ownership is reported as of December 31, 2025. The percentage basis references 23,000,000 Class A Ordinary Shares issued and outstanding as of March 27, 2026, per the issuer's Annual Report on Form 10-K.