Company: APACU
Filing Date: 2025-09-09
Form Type: S-1/A
Source: 0001829126-25-007247
Chunk: 351

Company: StoneBridge Acquisition II Corp
Filing Date: 2025-09-09
Form: S-1/A
Chunk 351
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 of $1,500,000 (or $1,537,500 if the underwriter’s over-allotment option is exercised in full), in a private placement that will close simultaneously with the closing of this offering. Of such 150,000 units (or 153,750 units if the underwriter’s over-allotment option is exercised in full), 65,000 units (or 68,750 units if the underwriter’s over-allotment option is exercised in full) will be purchased by our sponsor, 22,152 will be purchased by the Maxim Individuals (whether or not the underwriter’s option is exercised), and 62,848 units will be purchased by the third-party investors (whether or not the underwriter’s option is exercised). Each private placement unit will be identical to the units sold in this offering, except as described in this prospectus. The private placement units will be worthless if we do not complete our initial business combination. This issuance will be made pursuant to the exemption from registration contained in Section 4(a)(2) of the Securities Act.

No underwriting discounts or commissions were paid or will be paid with respect to such sales.

<div align='center'>II-2</div>

| Item 16. | Exhibits and Financial Statement Schedules. |

Exhibit Index

| Exhibit No. |     | Description                                                                                                                                     |
| 1.1         |     | Form of Underwriting Agreement.                                                                                                                 |
| 3.1**       |     | Memorandum and Articles of Association.                                                                                                         |
| 3.2         |     | Form of Amended and Restated Memorandum and Articles of Association.                                                                            |
| 4.1         |     | Specimen Unit Certificate.                                                                                                                      |
| 4.2**       |     | Specimen Ordinary Share Certificate.                                                                                                            |
| 4.3         |     | Specimen Right Certificate.                                                                                                                     |
| 4.4         |     | Form of Rights Agreement between Continental Stock Transfer & Trust Company and the Registrant.                                                 |
| 5.1**       |     | Opinion of Kesse PLLC.                                                                                                                          |
| 5.2**       |     | Opinion of Appleby (Cayman) Ltd., Cayman Islands counsel to the Registrant.                                                                     |
| 10.1**      |     | Form of Letter Agreement among the Registrant, Stonebridge Acquisition Sponsor II LLC and each of the officers and directors of the Registrant