Welcome to our dedicated page for Horizon Space Acquisition II SEC filings (Ticker: HSPT), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The SEC filings for Horizon Space Acquisition II Corp. (HSPT) provide detailed insight into its activities as a Cayman Islands exempted special purpose acquisition company (SPAC) listed on Nasdaq. Through current reports on Form 8-K, annual reports on Form 10-K, and other submissions, the company discloses material agreements, financing arrangements, and progress toward completing its initial business combination.
For HSPT, key filings include Form 8-K reports describing unsecured promissory notes issued to its sponsor or sponsor designees. These notes bear no interest, are repayable upon the earlier of the consummation of a business combination or the expiry of the company’s term, and may be convertible into private units at a price referenced to $10.00 per unit. The filings explain the composition of these private units, which can include ordinary shares, rights to receive fractions of ordinary shares, and, in some cases, warrants.
Another important aspect of Horizon Space Acquisition II Corp.’s filings is the disclosure of its ability to extend the deadline to complete its initial business combination. The company’s charter allows for extensions when specified extension fees are deposited into the trust account for public shareholders. Form 8-K filings describe these extension payments and the related promissory notes, outlining how the SPAC manages its timeline to pursue a suitable transaction.
Filings also cover the definitive Business Combination Agreement with SL Bio Ltd. and the creation of SL Science Holding Limited (PubCo) as the proposed listed entity. Investors can review registration statements and proxy materials referenced in public announcements to understand the structure of the proposed mergers, the exchange of securities into PubCo ordinary shares, and the conditions required for closing.
On this page, users can access Horizon Space Acquisition II Corp.’s SEC filings as they are made available through EDGAR. AI-powered summaries can help explain complex sections of documents such as Form 8-K, Form 10-K, and registration statements, highlight the terms of promissory notes and extension arrangements, and clarify how the proposed business combination with SL Bio Ltd. is structured. Form 4 and related ownership filings, when present, can also be reviewed to understand changes in holdings of HSPT securities.
Horizon Space Acquisition II Corp. reports that PubCo (SL Science Holding Limited) arranged a committed private investment in public equity (PIPE) to purchase 780,000 units at $10.00 per unit for gross proceeds of approximately $7,800,000, expected to close with the Business Combination.
Each unit includes one PubCo ordinary share and one Series A preferred share, with each Series A preferred share converting into one-third (1/3) of one PubCo ordinary share on the six-month anniversary of the closing. PubCo agreed to file a resale registration statement covering the ordinary shares and conversion shares; PIPE investors are subject to a six-month lock-up following closing.
Horizon Space Acquisition II Corp. and SL Science Holding Limited disclosed that PubCo has entered into subscription agreements committing investors to purchase 780,000 PubCo Units at $10.00 per unit, representing gross proceeds of approximately $7,800,000. Each Unit comprises one PubCo Ordinary Share and one Series A Preferred Share convertible into one-third (1/3) of a PubCo Ordinary Share on the six-month anniversary of the Business Combination closing. The PIPE Financing is conditioned on, and expected to close in conjunction with, the closing of the Business Combination; investors agreed to a six-month lock-up following the PIPE closing. PubCo agreed to file a resale registration statement to register the Ordinary Shares and Conversion Shares acquired by PIPE investors.
Horizon Space Acquisition II Corp. entered into subscription agreements to back a PIPE financing for the business combination that will form PubCo. The PIPE Investors committed to purchase 780,000 PubCo Units at $10.00 per unit, representing gross proceeds of approximately $7,800,000, with closing expected in conjunction with the Business Combination.
Each PubCo Unit includes one ordinary share and one Series A preferred share; the preferred will convert into one-third of one PubCo Ordinary Share on the six-month anniversary of closing. PubCo agreed to file a resale registration statement to register the securities and each PIPE Investor agreed to a six-month lock-up following the PIPE closing. The Subscription Agreements are conditioned on the prior or substantially concurrent closing of the Business Combination.
Horizon Space Acquisition II Corp. outlines a PIPE financing to support its proposed business combination with SL BIO Ltd. and PubCo. PubCo has entered subscription agreements with PIPE investors to purchase an aggregate 780,000 PubCo units at $10.00 per unit, for expected gross proceeds of about $7,800,000 at the business combination closing.
Each unit includes one PubCo ordinary share and one series A preferred share that converts into one-third of a PubCo ordinary share six months after closing. PubCo will file a resale registration statement for the ordinary and conversion shares, and PIPE investors have agreed to a six‑month lock-up after the PIPE closing, subject to customary exceptions and to the business combination closing.
Horizon Space Acquisition II Corp. entered into a new unsecured promissory note for $50,000 with William Wang to fund an extension fee, allowing its initial business combination deadline to move from March 18, 2026 to April 18, 2026. This is the second of up to twelve one‑month extensions permitted under its charter amendment, which can push the deadline to February 18, 2027.
The note bears no interest and is due upon either completion of the business combination or the company’s expiry date. William Wang, Chief Executive Officer of SL BIO Ltd., may elect to convert the $50,000 note into Horizon Space private units at $10.00 per unit, each unit consisting of one ordinary share and one right to receive one‑tenth of an ordinary share.
Wolverine Asset Management, Wolverine Holdings, Christopher L. Gust, and Robert R. Bellick filed Amendment No. 1 to a Schedule 13G/A reporting their relationship to Horizon Space Acquisition II Corp. The filing states each filer has 0% beneficial ownership and no sole or shared voting or dispositive power over the issuer's ordinary shares. The cover shows 02/24/2026; signatures are dated 02/27/2026. The issuer's principal executive office address is listed as 1412 Broadway, 21st Floor, Suite 21V, New York, NY 10018.
Horizon Space Acquisition II Corp. entered into a $50,000 unsecured promissory note with William Wang to fund an extension fee, allowing one additional month to complete its initial business combination, moving the deadline from February 18, 2026 to March 18, 2026.
The note bears no interest, is due at business combination or company expiry, and may be converted into private units at $10.00 per unit. Shareholders approved the SPAC’s business combination and extension proposals, and 2,012,378 public shares were submitted for redemption in connection with the business combination, while 4,709,337 public shares were submitted for redemption in connection with the extension.
Horizon Space Acquisition II Corp. held two extraordinary general meetings and approved amendments that extend its timeline to complete an initial business combination. Shareholders approved an amendment permitting the termination date to be extended up to twelve one-month extensions for a total extension to February 18, 2027, and approved a Trust Agreement amendment governing liquidation procedures.
The Trust Amendment requires the trustee to commence liquidation only after receipt of a company Termination Letter or upon the later of February 18, 2026 (or February 18, 2027 if extended) and preserves procedures for distribution to public shareholders. The sponsor may deposit monthly the lesser of $50,000 or $0.033 per remaining public share to extend the Termination Date.
Horizon Space Acquisition II Corp. amended its trust agreement and articles to permit up to twelve one-month extensions of the deadline to complete a business combination, moving the outer Termination Date from February 18, 2026 to February 18, 2027 if extended.
The shareholders approved the MAA Amendment and the Trust Amendment, and voted to proceed with the merger structure that would make SL Science Holding Limited the surviving parent following the agreed mergers. Voting tallies showed 5,031,013 votes for key Business Combination proposals and 5,735,413 votes for the extension-related amendments.
Horizon Space Acquisition II Corp. held extraordinary general meetings approving amendments that extend the deadline to complete an initial business combination and modify the Trust Agreement.
Shareholders approved an amendment to the memorandum and articles to permit the Termination Date of February 18, 2026 to be extended up to twelve times, each by an additional one-month extension, to a latest date of February 18, 2027. They also approved a Trust Agreement amendment that requires the Trustee to commence liquidation of the Trust Account only after receipt of an instruction letter from the company in connection with either a closing of an initial business combination or the company’s inability to complete a business combination by February 18, 2026, or up to February 18, 2027 if extended by depositing per month the lesser of $50,000 for all remaining public shares and $0.033 for each remaining public share in the Trust Account.
At the Business Combination EGM, 9,080,000 shares were entitled to vote (record date December 29, 2025) and approximately 68.26% were represented. At the Extension EGM the same record date applied and approximately 73.26% were represented. Voting tallies for key proposals are reported in the filings.