Company: APACU
Filing Date: 2025-10-06
Form Type: 8-K
Source: 0001829126-25-007897
Chunk: 0

Company: StoneBridge Acquisition II Corp
Filing Date: 2025-10-06
Form: 8-K
Item: Item 1.01
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Item 1.01 Entry into a Material Definitive Agreement.

On September 30, 2025, the Registration Statement on Form S-1 (File No. 333-286983), which was originally filed with the U. S. Securities and Exchange Commission (the
“ SEC”) on May 5, 2025 (as amended, the “ Registration Statement”), relating to the initial public
offering (the “ IPO”) of StoneBridge Acquisition II Corporation (the “ Company”) was declared effective by the SEC.

On October 1, 2025, the Company consummated the IPO of 5,750,000 units (including 750,000 units issued upon the full exercise of the underwriters’ over-allotment option, the “ Units”). Each Unit consists of one Class A ordinary share, $0.0001 par value
per share (each, a “ Class A Ordinary Share”), and one right (each, a “ Right”), with
each one Right entitling the holder thereof to receive one-tenth (1/10) of one Class A Ordinary Share upon the consummation of the Company’s initial business combination. The Units were sold at an offering price of $10.00
per Unit, generating gross proceeds of $57,500,000.

In connection with the IPO, the Company entered into the following agreements, forms
of which were previously filed as exhibits to the Registration Statement:

  An Underwriting Agreement, dated September 30, 2025, by and between the Company and Maxim Group LLC, as representative of the  
  several underwriters (the “ Representative”), a copy of which is attached as Exhibit                                           
  1.1 hereto and incorporated herein by reference.                                                                               
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  A Rights Agreement, dated September 30, 2025, by and between the Company and Continental Stock Transfer & Trust Company,  
  as rights agent, a copy of which is attached as Exhibit 4.1 hereto and incorporated                                       
  herein by reference.                                                                                                      
 ────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────

  A Letter Agreement, dated September 30, 2025 (the “ Letter Agreement”), by and between the Company and StoneBridge Acquisition  
  Sponsor II LLC (the “ Sponsor”), a copy of which is attached as Exhibit 10.1 hereto and incorporated