0002081515 2026-07-01 2026-07-01 0002081515 cik0002081515:UnitsEachConsistingOfOneOrdinaryShare0.0001ParValueAndOnethirdOfOneRedeemableWarrantMember 2026-07-01 2026-07-01 0002081515 cik0002081515:OrdinarySharesParValue0.0001PerShareMember 2026-07-01 2026-07-01 0002081515 cik0002081515:WarrantsEachWholeWarrantExercisableForOneOrdinaryShareAtExercisePriceOf11.50PerShareMember 2026-07-01 2026-07-01 false 0002081515 8-K 2026-07-01 BERTO ACQUISITION CORP. II E9 001-43293 99-1894162 1180 North Town Center Drive Suite 100 Las Vegas NV 89144 (702) 781-4313 Units, each consisting of one ordinary share, $0.0001 par value, and one-third of one redeemable warrant GUACU NASDAQ Ordinary shares, par value $0.0001 per share GUAC NASDAQ Warrants, each whole warrant exercisable for one ordinary share at an exercise price of $11.50 per share GUACW NASDAQ false false false false true false