Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000902664-26-001097
Filing Date
2026-02-17
Accepted
2026-02-17 16:15:24
Documents
1

Document Format Files

Seq Description Document Type Size
1 primary_doc.html SCHEDULE 13G/A  
1 primary_doc.xml SCHEDULE 13G/A 6337
  Complete submission text file 0000902664-26-001097.txt   8235
Mailing Address 277 PARK AVE 23RD FLOOR NEW YORK NY 10172
Business Address 277 PARK AVE 23RD FLOOR NEW YORK NY 10172 2122872500
HIGHBRIDGE CAPITAL MANAGEMENT LLC (Filed by) CIK: 0000919185 (see all company filings)

EIN.: 134131516 | Fiscal Year End: 1231
Type: SCHEDULE 13G/A

Mailing Address 1185 6TH AVE. SUITE 304 NEW YORK NY 10036
Business Address 1185 6TH AVE. SUITE 304 NEW YORK NY 10036 212-612-1400
Quantumsphere Acquisition Corp (Subject) CIK: 0002070900 (see all company filings)

EIN.: 000000000 | State of Incorp.: E9 | Fiscal Year End: 0331
Type: SCHEDULE 13G/A | Act: 34 | File No.: 005-95229 | Film No.: 26641508
SIC: 6770 Blank Checks
(CF Office: 05 Real Estate & Construction)