HSPT Horizon Space Acquisition II Corp.

CIK 0002032950 16 ready 8-Ks latest March 24, 2026, 7:59 PM ET RSS · JSON

Activity: QUIET 0 filings / 30d vs 1 baseline

Ready 8-Ks 16

Latest filing April 21, 2026, 7:59 PM ET

Top materiality 0.85

Event mix other_material ×14 · other ×1 · m_and_a ×1

Sentiment 2 pos · 0 neg · 14 neu

Executive change recent →

Recent 8-K filings for HSPT

Highest-materiality recent filing

Horizon Space Acquisition II SPAC to merge with SL Bio at $5.568B enterprise value

May 12, 2025, 7:59 PM ET M&A materiality 0.85 neutral item 1.01 item 7.01 item 9.01

SL Bio develops cellular and gene therapies; will become wholly owned sub of PubCo via two-step merger.
SPAC shareholders to receive one PubCo ordinary share per share; SL Bio holders get shares based on $5.568B / $10.00 ratio.

Read filing →

March 24, 2026, 7:59 PM ET other material materiality 0.70 positive item 3.02 item 8.01 item 9.01

HSPT secures $7.8M PIPE commitment for SL Bio business combination

PubCo entered subscription agreements for 780,000 units at $10/unit, raising $7.8M.
February 18, 2026, 6:59 PM ET other material materiality 0.75 positive item 1.01 item 5.03 item 5.07 item 9.01 ◈ Governance Changes◈ Material Agreements

Shareholders approve SPAC merger with SL Bio and extension to Feb 2027

Business combination with SL Bio approved; 5,031,013 FOR, 1,166,644 AGAINST.
May 12, 2025, 7:59 PM ET M&A materiality 0.85 neutral item 1.01 item 7.01 item 9.01

Horizon Space Acquisition II SPAC to merge with SL Bio at $5.568B enterprise value

SL Bio develops cellular and gene therapies; will become wholly owned sub of PubCo via two-step merger.
November 22, 2024, 6:59 PM ET other material materiality 0.60 neutral item 8.01 item 9.01

Horizon Space Acquisition II completes $60M IPO; auditor flags going concern risk

Sold 6M units at $10 each, gross proceeds $60M; over-allotment later closed for extra 900K units ($9M).

Executive changes

Appointed

James Jiayuan Tong

Director

HSPT · Horizon Space Acquisition II Corp.

Effective: 2024-11-12
Filed: November 18, 2024, 6:59 PM ET

Effective on November 12, 2024, in connection with the effectiveness of the Registration Statement, James Jiayuan Tong, Qian (Hebe) Xu, and Tianchen Cai became directors of the Company.

Appointed

Qian (Hebe) Xu

Director

HSPT · Horizon Space Acquisition II Corp.

Effective: 2024-11-12
Filed: November 18, 2024, 6:59 PM ET

Effective on November 12, 2024, in connection with the effectiveness of the Registration Statement, James Jiayuan Tong, Qian (Hebe) Xu, and Tianchen Cai became directors of the Company.

Appointed

Tianchen Cai

Director

HSPT · Horizon Space Acquisition II Corp.

Effective: 2024-11-12
Filed: November 18, 2024, 6:59 PM ET

Effective on November 12, 2024, in connection with the effectiveness of the Registration Statement, James Jiayuan Tong, Qian (Hebe) Xu, and Tianchen Cai became directors of the Company.

Materiality & sentiment trend

Max materiality 0.85 · Median 0.45 · Most common event other_material

2 positive 0 negative 14 neutral

source · HSPT on sec.gov