J. Goldman & Co LP - 31 Dec 2025 SCHEDULE 13G/A Report for 1RT Acquisition Corp. Class A Ordinary Shares, par value $0.0001 per share (ONCH)

Filing Manager
J. Goldman & Co LP
Reporting Manager
J. Goldman & Co LP
Security
1RT Acquisition Corp. Class A Ordinary Shares, par value $0.0001 per share
Symbol
ONCH
Shares outstanding
17,250,000 shares
Disclosed Ownership
862,500 shares
Ownership
5%
Form type
SCHEDULE 13G/A
Filing time
17 Feb 2026, 09:00:20 UTC
Date of event
31 Dec 2025
Previous filing
14 Nov 2025
SEC
View on sec.gov

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
J. Goldman & Co LP 5% 862,500 0 862,500 /s/ Sagan A. Weiss By: Sagan A. Weiss, Chief Compliance Officer
J. Goldman Capital Management, Inc. 5% 862,500 0 862,500 /s/ Jay G. Goldman Jay G. Goldman, Director
Jay G. Goldman 5% 862,500 0 862,500 s/ Jay G. Goldman Jay G. Goldman, individually