1、S-1/A 1 stonebridgeacq2_s1a.htm S-1/A As filed with the Securities and Exchange Commission on July 7,2025.Registration No.333-286983 UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWashington,D.C.20549 AMENDMENT NO.1TOFORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 StoneBridge Acquis

2、ition II Corporation(Exact name of registrant as specified in its charter)Cayman Islands 6770 Not Applicable(State or other jurisdiction ofincorporation or organization)(Primary Standard IndustrialClassification Code Number)(I.R.S.EmployerIdentification Number)One World Trade CenterSuite 8500New Yor

3、k,New York 10007Tel:(646)314-3555(Address,including zip code,and telephone number,including area code,of registrants principal executive offices)Prabhu AntonyOne World Trade CenterSuite 8500New York,New York 10007Tel:(646)314-3555(Name,address,including zip code,and telephone number,including area c

4、ode,of agent for service)Copies to:Kelvin KesseKesse PLLC845 Texas Ave,Suite 200Houston,Texas 77002Tel:(346)348-0239 Simon RaftopoulosAlexandra LowAppleby(Cayman)Ltd.9th Floor,60 Nexus Way Camana BayGrand Cayman,KY1-1104Tel:(345)949-4900 Mitchell S.NussbaumDavid J.LevineLoeb&Loeb LLP345 Park AvenueN

5、ew York,New York 10154Tel:(212)407-4000 Approximate date of commencement of proposed sale to the public:As soon as practicable after the effective date of thisregistration statement.If any of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant to

6、Rule 415 underthe Securities Act of 1933 check the following box.If this Form is filed to register additional securities for an offering pursuant to Rule 462(b)under the Securities Act,please checkthe following box and list the Securities Act registration statement number of the earlier effective re