JATT II Acquisition Corp.

Q: Jun 30 2026

Q: Mar 31 2026

Entry into a Material Definitive Agreement

Other Events

Entry into a Material Definitive Agreement

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Prospectus Supplement with Pricing Information

Notice of Effectiveness

Certification of approval for listing and registration on a national securities exchange

Registration of Securities on Exchange

Amended Initial Registration Statement

Registration (IPO) statement under Securities Act of 1933

JATT Ventures II L.P.

JATT Ventures II L.P.

GREAT POINT PARTNERS LLC

BALYASNY ASSET MANAGEMENT L.P.

Commodore Capital LP

ADAR1 Capital Management, LLC

Atika Capital Management LLC

Janus Henderson Group Ltd.

JATT Ventures II L.P.

Sidhu Someit

RA CAPITAL MANAGEMENT, L.P.

GREAT POINT PARTNERS LLC

Commodore Capital LP

Sidhu Someit

JATT Ventures II L.P.

GOYAL ARJUN

Staral Christopher

JATT Ventures II L.P.

Sidhu Someit

Fernandez Nicholas

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC