Company: FOXX
Filing Date: 2025-01-24
Form Type: 424B3
Source: 0001213900-25-006111
Chunk: 0

Company: Foxx Development Holdings Inc.
Filing Date: 2025-01-24
Form: 424B3
Chunk 0
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| PROSPECTUS |     | Filed Pursuant to Rule 424(b)(3) 
 Registration No. 333-284186      |

FOXX DEVELOPMENT HOLDINGS INC. Up to 12,145,917 Shares of Common Stock Issuable Upon Exercise of Warrants This prospectus relates to the issuance of up to 12,145,917shares of common stock of a par value of $0.0001 each (“Common Stock”) of Foxx Development Holdings Inc., a Delaware corporation (the “Company”), including (1) 4,301,994shares of Common Stock issuable upon the exercise of warrants of the Company (the “IPO Warrants”) to purchase shares of Common Stock at an exercise price of $11.50, which were issued on September 26, 2024 (the “Closing” or “Closing Date”) in exchange for the public warrants of Acri Capital Acquisition Corporation (“ACAC”) that were issued in the initial public offering of ACAC (“ACAC IPO”) as part of the units (each consisting of one Class A ordinary share and one -halfof one redeemable warrant of ACAC) at a public offering price of $10.00 per unit; (2) 5,240,000 shares of Common Stock issuable upon the exercise of warrants of the Company (the “Private Placement Warrants”) to purchase shares of Common Stock at an exercise price of $11.50, which were issued to Acri Capital Sponsor LLC, a Delaware limited liability company, the sponsor of the ACAC IPO (the “Sponsor”) on the Closing Date in exchange for the private warrants of ACAC purchased by the Sponsor for a total purchase price of $5,240,000 in connection with ACAC IPO, and (3) 2,603,923 shares of Common Stock issuable upon the exercise of warrants of the Company (the “Working Capital Warrants”, together with the Private Placement Warrants, the “Sponsor Warrants”) to purchase shares of Common Stock at an exercise price of $11.50, which were issued to the Sponsor on the Closing Date in exchange for the warrants of ACAC issued to the Sponsor upon the conversion of the promissory notes issued by ACAC (the “Working Capital Notes”) in connection with the working capital loans provided by the Sponsor, the officers and directors of ACAC, and/or their designees. The IPO Warrants of the Company and the Sponsor Warrants of the Company are collectively referred herein as