1RT Acquisition Sponsor LLC - 01 Jul 2025 Form 4 Insider Report for 1RT Acquisition Corp. (ONCH)

Role: 10%+ Owner
Signature: /s/ Daniel Tapiero, Managing Member of 1RT Acquisition Sponsor LLC
Issuer symbol: ONCH
Transactions as of: 01 Jul 2025
Net transactions value: +$3,000,000
Form type: 4
Filing time: 03 Jul 2025, 17:00:12 UTC
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
1RT Acquisition Sponsor LLC	10%+ Owner	C/O 1RT ACQUISITION CORP., 205 WEST 28TH STREET, 2ND FLOOR SUITE C, NEW YORK	/s/ Daniel Tapiero, Managing Member of 1RT Acquisition Sponsor LLC	03 Jul 2025	0002054339

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	ONCH	Warrants to purchase Class A Ordinary Shares	Purchase	$3,000,000	+1,500,000		$2.00	1,500,000	01 Jul 2025	Class A Ordinary Shares	1,500,000	$11.50	Direct	F1, F2, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	1RT Acquisition Sponsor LLC (the "Sponsor") purchased 1,500,000 warrants, as described in the Issuer's registration statement on Form S-1 (File No. 333-287941) (the "S-1"), in a private placement of warrants at a price of $2.00 per private placement warrant. Each private placement warrant is exercisable to purchase one Class A ordinary share at a price of $11.50 per share.
F2	The warrants become exercisable 30 days after the completion of the Issuer's initial business combination.
F3	The warrants expire 5 years after the completion of the Registrant's initial business combination or earlier upon redemption or liquidation, as described in the S-1.