Other3

Catalyst Acquisition Corp.

Total Value

$NaN

Filing Date

Jul 27, 2026

1 transactions

Trade Summary

On Jul 27, 2026, Catalyst Sponsor LLC, 10% Owner, reported $NaN of Catalyst Acquisition Corp. (CATLU) across 1 transactions. The filing covers company securities and reflects balanced net activity of $NaN. Insider transactions are sourced from SEC Form 4 disclosures and should be reviewed alongside company fundamentals and the insider's broader trading history.

Insider Information

Name: Catalyst Sponsor LLC
Role: 10% Owner
Location: SANTA MONICA, CA

Filing Details

Filing Date: Jul 27, 2026
Transaction Date: Jul 27, 2026
Accession Number: 0001213900-26-081950
Form Type: 3

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Footnotes

(F1)As described in the Issuer's Registration Statement on Form S-1 (File No. 333-297309) (the "IPO Registration Statement"), under the heading "Description of Securities - Founder Shares," Class B ordinary shares will automatically convert into Class A ordinary shares of the Issuer in connection with the consummation of the Issuer's initial business combination or earlier at the option of the Reporting Person on a one-for-one basis, subject to adjustment for share sub-divisions, share capitalizations, reorganizations, recapitalizations and the like, and subject to further adjustment as provided therein.
(F2)These shares represent the Class B ordinary shares held by Catalyst Sponsor LLC (the "Sponsor") acquired pursuant to a securities subscription agreement by and between the Issuer and the Sponsor. The Class B ordinary shares include up to 750,000 shares that are subject to forfeiture in the event the underwriter of the Issuer's initial public offering does not exercise in full its over-allotment option as described in the Issuer's IPO Registration Statement.
(F3)Each of Steven P. Beeks, Nicolas A. van Dyk and Craig A. Elson is a managing member of the Sponsor. Any action by the Sponsor with respect to the securities held by the Sponsor, including voting and dispositive decisions, requires a majority vote of the managing members. Under the so-called "rule of three," because voting and dispositive decisions are made by a majority of the Sponsor's managing members, none of the managing members of the Sponsor is deemed to be a beneficial owner of the Sponsor's securities, even those in which such managing member holds a pecuniary interest. Accordingly, none of the managing members of the Sponsor is deemed to have or share beneficial ownership of the securities held by the Sponsor.

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Catalyst Sponsor LLC

(Last)

(First)

(Middle)

C/O CATALYST ACQUISITION CORP.

1007 OCEAN AVENUE, SUITE 501

(Street)

SANTA MONICA

90403

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
07/27/2026

3. Issuer Name and Ticker or Trading Symbol
Catalyst Acquisition Corp. [ CATLU ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

Director	X	10% Owner
Officer (give title below)		Other (specify below)

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Class B Ordinary Shares⁽¹⁾	⁽¹⁾	⁽¹⁾	Class A Ordinary Shares	5,750,000⁽²⁾⁽³⁾	⁽¹⁾	D⁽²⁾⁽³⁾

Explanation of Responses:

1. As described in the Issuer's Registration Statement on Form S-1 (File No. 333-297309) (the "IPO Registration Statement"), under the heading "Description of Securities - Founder Shares," Class B ordinary shares will automatically convert into Class A ordinary shares of the Issuer in connection with the consummation of the Issuer's initial business combination or earlier at the option of the Reporting Person on a one-for-one basis, subject to adjustment for share sub-divisions, share capitalizations, reorganizations, recapitalizations and the like, and subject to further adjustment as provided therein.

2. These shares represent the Class B ordinary shares held by Catalyst Sponsor LLC (the "Sponsor") acquired pursuant to a securities subscription agreement by and between the Issuer and the Sponsor. The Class B ordinary shares include up to 750,000 shares that are subject to forfeiture in the event the underwriter of the Issuer's initial public offering does not exercise in full its over-allotment option as described in the Issuer's IPO Registration Statement.

3. Each of Steven P. Beeks, Nicolas A. van Dyk and Craig A. Elson is a managing member of the Sponsor. Any action by the Sponsor with respect to the securities held by the Sponsor, including voting and dispositive decisions, requires a majority vote of the managing members. Under the so-called "rule of three," because voting and dispositive decisions are made by a majority of the Sponsor's managing members, none of the managing members of the Sponsor is deemed to be a beneficial owner of the Sponsor's securities, even those in which such managing member holds a pecuniary interest. Accordingly, none of the managing members of the Sponsor is deemed to have or share beneficial ownership of the securities held by the Sponsor.

	/s/ Steven P. Beeks, as managing member of Catalyst Sponsor LLC	07/27/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Form 3 as rendered by the SEC from accession 0001213900-26-081950.

Catalyst Acquisition Corp.

Trade Summary

Company Information

Insider Information

Filing Details

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Footnotes

SEC Form 3

SEC Filing

SEC Form 3