Form4insider filings, from the source

Company · CIK 0002104391 · SIC 6770 — Blank Checks

Catalyst Acquisition Corp. · CATLU

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $2.7M · 1sales $0 · 0net $2.7M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesJul 28Jul 28Jul 28Jul 29Jul 29Jul 29Jul 30

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jul 29, 2026 PForm 4 →Jul 31, 4:05 pm EDTCatalyst Sponsor LLC10% Owner270,000$10.00$2,700,000270,000—

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 10, 2026 JForm 4 →Sep 14, 4:05 pm EDTCatalyst Sponsor LLC10% Owner462,500——5,287,500—
Jul 29, 2026 PForm 4 →Jul 31, 4:05 pm EDTCatalyst Sponsor LLC10% Owner270,000——270,000—