AQR Capital Management Holdings, LLC - Sep 29, 2025 Form 4 Insider Report for IB Acquisition Corp. (IBAC)

Role: 10%+ Owner
Signature: /s/ AQR CAPITAL MANAGEMENT HOLDINGS, LLC, /s/ Henry Parkin, Authorized Signatory
Stock symbol: IBAC
Transactions as of: Sep 29, 2025
Transactions value $: -$1,284,245
Form type: 4
Date filed: 10/1/2025, 05:16 PM
Previous filing: Oct 1, 2025
Next filing: Oct 2, 2025
SEC: View on sec.gov

Reporting Owners (3)

Name	Relationship	Address	Signature	Signature date	CIK
AQR Capital Management Holdings, LLC	10%+ Owner	ONE GREENWICH PLAZA, SUITE 130, GREENWICH	/s/ AQR CAPITAL MANAGEMENT HOLDINGS, LLC, /s/ Henry Parkin, Authorized Signatory	2025-10-01	0001633376
AQR CAPITAL MANAGEMENT LLC	10%+ Owner	ONE GREENWICH PLAZA, SUITE 130, GREENWICH	/s/ AQR CAPITAL MANAGEMENT, LLC, /s/ Henry Parkin, Authorized Signatory	2025-10-01	0001167557
AQR Arbitrage LLC	10%+ Owner	ONE GREENWICH PLAZA, SUITE 130, GREENWICH	/s/ AQR ARBITRAGE, LLC, /s/ Henry Parkin, Authorized Signatory	2025-10-01	0001167456

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	IBAC	Common Stock	Sale	-$526K	-50K	-10.98%	$10.50	406K	Sep 29, 2025	AQR Global Alternative Investment Offshore Fund, L.P.	F1, F2
transaction	IBAC	Common Stock	Sale	-$214K	-20.4K	-10.98%	$10.50	165K	Sep 29, 2025	AQR Diversified Arbitrage Fund	F1
transaction	IBAC	Common Stock	Sale	-$153K	-14.6K	-10.98%	$10.50	118K	Sep 29, 2025	AQR Absolute Return Master Account, L.P.	F1, F2
transaction	IBAC	Common Stock	Sale	-$114K	-10.8K	-10.98%	$10.50	87.9K	Sep 29, 2025	AQR Apex MS Master Account, L.P.	F1, F2
transaction	IBAC	Common Stock	Sale	-$101K	-9.58K	-10.98%	$10.50	77.6K	Sep 29, 2025	AQR TA Global Alpha Fund, L.P.	F1, F2
transaction	IBAC	Common Stock	Sale	-$95.5K	-9.1K	-10.98%	$10.50	73.7K	Sep 29, 2025	AQR Corporate Arbitrage Master Account, L.P.	F1, F2
transaction	IBAC	Common Stock	Sale	-$39.5K	-3.76K	-10.98%	$10.50	30.5K	Sep 29, 2025	AQR TA Legacy Fund, LLC	F1, F2
transaction	IBAC	Common Stock	Sale	-$23.8K	-2.27K	-10.98%	$10.50	18.4K	Sep 29, 2025	AQR UCITS Funds - AQR Apex UCITS Fund	F1
transaction	IBAC	Common Stock	Sale	-$8.61K	-820	-10.98%	$10.50	6.65K	Sep 29, 2025	AQR DELTA Master Account, L.P.	F1, F2
transaction	IBAC	Common Stock	Sale	-$6.18K	-589	-10.99%	$10.50	4.77K	Sep 29, 2025	AQR UCITS Funds - AQR Corporate Arbitrage UCITS Fund	F1
transaction	IBAC	Common Stock	Sale	-$4.03K	-384	-10.98%	$10.50	3.11K	Sep 29, 2025	AQR Arbitrage MA Offshore Fund, L.P.	F1, F2

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

Explanation of Responses:

Id	Content
F1	AQR Capital Management, LLC is a wholly owned subsidiary of AQR Capital Management Holdings, LLC. AQR Arbitrage, LLC is deemed to be controlled by AQR Capital Management, LLC. AQR Capital Management, LLC and AQR Arbitrage, LLC act as investment manager to each of AQR Global Alternative Investment Offshore Fund, L.P., AQR Corporate Arbitrage Master Account, L.P., AQR TA Global Alpha Fund, L.P., AQR Absolute Return Master Account, L.P., AQR Apex MS Master Account, L.P., AQR TA Legacy Fund, LLC, AQR DELTA Master Account, L.P., AQR Arbitrage MA Offshore Fund, L.P. AQR Capital Management, LLC serves as the investment manager, and AQR Arbitrage, LLC as sub-advisor, to the AQR Diversified Arbitrage Fund, an open-end registered investment company, to AQR UCITS Funds - AQR Apex UCITS Fund, and to AQR UCITS Funds - AQR Corporate Arbitrage UCITS Fund.
F2	AQR Capital Management GP Ltd. is the general partner of AQR Global Alternative Investment Offshore Fund, L.P. AQR Corporate Arbitrage GP, LLC is the general partner of AQR Corporate Arbitrage Master Account, L.P. AQR Tax Advantaged GP II, LLC is the general partner of AQR TA Global Alpha Fund, L.P. AQR Principal Global Asset Allocation, LLC is the general partner of AQR Absolute Return Master Account, L.P. AQR Apex MS GP, LLC is the general partner of AQR Apex MS Master Account, L.P. AQR Capital Management II, LLC is the general partner of AQR TA Legacy Fund, LLC. CNH Principal Partners I, LLC is the general partner of AQR Arbitrage MA Offshore Fund, L.P. AQR Capital Management III, LLC is the general partner of AQR DELTA Master Account, L.P.

Content

AQR Capital Management, LLC is a wholly owned subsidiary of AQR Capital Management Holdings, LLC. AQR Arbitrage, LLC is deemed to be controlled by AQR Capital Management, LLC. AQR Capital Management, LLC and AQR Arbitrage, LLC act as investment manager to each of AQR Global Alternative Investment Offshore Fund, L.P., AQR Corporate Arbitrage Master Account, L.P., AQR TA Global Alpha Fund, L.P., AQR Absolute Return Master Account, L.P., AQR Apex MS Master Account, L.P., AQR TA Legacy Fund, LLC, AQR DELTA Master Account, L.P., AQR Arbitrage MA Offshore Fund, L.P. AQR Capital Management, LLC serves as the investment manager, and AQR Arbitrage, LLC as sub-advisor, to the AQR Diversified Arbitrage Fund, an open-end registered investment company, to AQR UCITS Funds - AQR Apex UCITS Fund, and to AQR UCITS Funds - AQR Corporate Arbitrage UCITS Fund.

AQR Capital Management GP Ltd. is the general partner of AQR Global Alternative Investment Offshore Fund, L.P. AQR Corporate Arbitrage GP, LLC is the general partner of AQR Corporate Arbitrage Master Account, L.P. AQR Tax Advantaged GP II, LLC is the general partner of AQR TA Global Alpha Fund, L.P. AQR Principal Global Asset Allocation, LLC is the general partner of AQR Absolute Return Master Account, L.P. AQR Apex MS GP, LLC is the general partner of AQR Apex MS Master Account, L.P. AQR Capital Management II, LLC is the general partner of AQR TA Legacy Fund, LLC. CNH Principal Partners I, LLC is the general partner of AQR Arbitrage MA Offshore Fund, L.P. AQR Capital Management III, LLC is the general partner of AQR DELTA Master Account, L.P.