JATT II Acquisition (JATT) sponsor adds 300,000 private placement shares

Rhea-AI Filing Summary

JATT Ventures II L.P., the sponsor of JATT II Acquisition Corp., reported an open-market style private transaction to acquire 300,000 Ordinary Shares at a stated price of $0.0000 per share. These are private placement shares purchased under a Private Placement Shares Purchase Agreement dated April 16, 2026.

Following this transaction, JATT Ventures II L.P. holds 2,025,000 Ordinary Shares, including up to 225,000 Ordinary Shares that are subject to potential forfeiture depending on the underwriter’s over-allotment option from the company’s initial public offering.

Insider Trade Summary

1 transaction reported

Net Buy 1 txn

Insider JATT Ventures II L.P.

Role null

Bought 300,000 shs ($0.00)

Type	Security	Shares	Price	Value
Purchase	Ordinary Shares	300,000	$0.00	--

Holdings After Transaction: Ordinary Shares — 2,025,000 shares (Direct, null)

Footnotes (1)

1. Reflects the 300,000 private placement shares purchased by JATT Ventures II L.P., the Issuer's sponsor, pursuant to the Private Placement Shares Purchase Agreement dated April 16, 2026 entered into with the Issuer. Including up to 225,000 Ordinary Shares subject to forfeiture depending on the extent to which the Issuer's underwriter' over-allotment option was exercised during the Issuer's initial public offering. JATT Ventures II L.P. is the record holder of the securities reported herein. JATT Ventures II Ltd is the sole general partner of JATT Ventures II L.P., and Dr. Someit Sidhu is a limited partner of JATT Ventures II L.P.. Dr. Someit Sidhu is also the sole member of JATT Ventures II Ltd. Dr. Someit Sidhu has voting and investment discretion with respect to the ordinary shares held of record by JATT Ventures II L.P. Dr. Someit Sidhu disclaims any beneficial ownership of the securities held by JATT Ventures II L.P. other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

Key Figures

Shares purchased: 300,000 shares Purchase price per share: $0.0000 per share Total shares after transaction: 2,025,000 shares +1 more

4 metrics

Shares purchased 300,000 shares Private placement Ordinary Shares acquired on April 20, 2026

Purchase price per share $0.0000 per share Stated transaction price for 300,000 Ordinary Shares

Total shares after transaction 2,025,000 shares Ordinary Shares held by JATT Ventures II L.P. following acquisition

Shares subject to forfeiture 225,000 shares Ordinary Shares potentially forfeitable based on IPO over-allotment

Key Terms

Private Placement Shares Purchase Agreement, over-allotment option, beneficial ownership, pecuniary interest

4 terms

Private Placement Shares Purchase Agreement financial

"pursuant to the Private Placement Shares Purchase Agreement dated April 16, 2026"

over-allotment option financial

"subject to forfeiture depending on the extent to which the Issuer's underwriter' over-allotment option was exercised"

An over-allotment option is a special agreement that allows underwriters to sell more shares than initially planned if demand is high. Think of it like a retailer offering extra units of a popular product to meet additional customer interest. This option helps ensure the full sale is completed and can also give investors extra shares if they want more.

beneficial ownership financial

"Dr. Someit Sidhu disclaims any beneficial ownership of the securities held by JATT Ventures II L.P."

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

pecuniary interest financial

"other than to the extent of any pecuniary interest he may have therein, directly or indirectly"

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

JATT Ventures II L.P.

(Last) (First) (Middle)

153 CENTRAL AVENUE C/O 56

(Street)

WESTFIELD NEW JERSEY 07091

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
JATT II Acquisition Corp. [ JATT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/20/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Ordinary Shares	04/20/2026		P(1)		300,000	A	(1)	2,025,000(2)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Reflects the 300,000 private placement shares purchased by JATT Ventures II L.P., the Issuer's sponsor, pursuant to the Private Placement Shares Purchase Agreement dated April 16, 2026 entered into with the Issuer.

2. Including up to 225,000 Ordinary Shares subject to forfeiture depending on the extent to which the Issuer's underwriter' over-allotment option was exercised during the Issuer's initial public offering. JATT Ventures II L.P. is the record holder of the securities reported herein. JATT Ventures II Ltd is the sole general partner of JATT Ventures II L.P., and Dr. Someit Sidhu is a limited partner of JATT Ventures II L.P.. Dr. Someit Sidhu is also the sole member of JATT Ventures II Ltd. Dr. Someit Sidhu has voting and investment discretion with respect to the ordinary shares held of record by JATT Ventures II L.P. Dr. Someit Sidhu disclaims any beneficial ownership of the securities held by JATT Ventures II L.P. other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

	JATT Ventures II L.P., By: JATT Ventures II Ltd, its General Partner /s/ Someit Sidhu Name: Someit Sidhu Title: Director	04/21/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did JATT Ventures II L.P. report for JATT?

JATT Ventures II L.P., sponsor of JATT II Acquisition Corp. (JATT), reported acquiring 300,000 Ordinary Shares. The purchase involved private placement shares under a Private Placement Shares Purchase Agreement dated April 16, 2026, at a stated price of $0.0000 per share.

How many JATT shares does JATT Ventures II L.P. own after this Form 4?

After the reported transaction, JATT Ventures II L.P. holds 2,025,000 Ordinary Shares of JATT II Acquisition Corp. This total includes the newly acquired 300,000 private placement shares and also reflects up to 225,000 Ordinary Shares that may be subject to future forfeiture.

What are the terms of the 300,000 JATT private placement shares?

The 300,000 Ordinary Shares of JATT were purchased as private placement shares under a Private Placement Shares Purchase Agreement dated April 16, 2026. The Form 4 lists a transaction price of $0.0000 per share for this acquisition by JATT Ventures II L.P., the issuer’s sponsor.

Why are 225,000 JATT shares held by the sponsor subject to forfeiture?

Up to 225,000 Ordinary Shares held by JATT Ventures II L.P. are subject to forfeiture depending on how much of the issuer’s underwriter over-allotment option was exercised during JATT II Acquisition Corp.’s initial public offering, linking their final count to the IPO’s underwriting outcome.

Who controls voting and investment decisions for JATT sponsor’s JATT shares?

JATT Ventures II L.P. is the record holder of the JATT shares, with JATT Ventures II Ltd as its general partner. Dr. Someit Sidhu controls voting and investment decisions for these Ordinary Shares but disclaims beneficial ownership except for any pecuniary interest he may have.

Does this JATT Form 4 involve derivative securities or options?

This JATT Form 4 reports only a non-derivative transaction in Ordinary Shares. The filing’s derivative summary is empty, indicating no reported option, warrant, or other derivative exercises or conversions in connection with the 300,000 private placement shares acquisition by JATT Ventures II L.P.