Catalyst Acquisition (CATLU) Sponsor Catalyst Sponsor LLC Buys 270,000 Shares

What Happened
Catalyst Sponsor LLC (the Sponsor), a 10% owner of Catalyst Acquisition Corp. (CATLU), purchased 270,000 Class A ordinary shares on 2026-07-29 at $10.00 per share for a total of $2,700,000. The filing also reports the Sponsor's purchase of 270,000 private placement units that include conversion rights (derivative interest) rather than immediate additional shares; those rights are recorded as a derivative interest in the filing.

Key Details

• Transaction date: July 29, 2026; Filing date: July 31, 2026 (filed within the typical 2-business-day Form 4 window).
• Cash purchase: 270,000 Class A ordinary shares @ $10.00 = $2,700,000.
• Derivative interest: 270,000 private placement units include one right per unit that converts to 1/7 of a Class A share upon the issuer’s initial business combination (transaction listed as a derivative with price N/A).
• Conversion math: 270,000 rights × (1/7) = 38,571 Class A shares potentially issuable upon consummation (no fractional shares will be issued).
• Ownership after transaction: not specified in the excerpt of the filing.
• Control note: Managing members Steven P. Beeks, Nicolas A. van Dyk and Craig A. Elson manage the Sponsor; under the Sponsor’s governance (“rule of three”), they are not individually deemed beneficial owners of the Sponsor’s securities.

Context
This is a purchase of sponsor private placement units common in SPAC transactions: the units include an immediate Class A share plus a right to receive a fractional share upon completion of the SPAC’s initial business combination. The derivative line reflects those conversion rights (not an immediate issuance of the additional shares). As an institutional/affiliate sponsor transaction rather than an individual executive trade, it reflects the Sponsor building its stake via the customary SPAC private placement, not a routine officer sale.