Invest Green Acquisition (Nasdaq: IGACU) sets date for unit separation

Rhea-AI Filing Summary

Invest Green Acquisition Corporation announced that holders of its units from the initial public offering may begin separately trading the Class A ordinary shares and rights included in those units starting December 22, 2025.

Each unit consists of one Class A ordinary share, par value $0.0001 per share, and one right entitling the holder to receive one-tenth of one Class A ordinary share upon completion of an initial business combination.

Units that are not separated will continue to trade on the Nasdaq Global Market under the symbol IGACU, while the underlying Class A ordinary shares and rights that are separated will trade under the symbols IGAC and IGACR, respectively. Holders must have their brokers contact Continental Stock Transfer and Trust Company to separate their units into Class A ordinary shares and rights.

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

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934

Date of report (Date of earliest event reported): December 16, 2025

Invest Green Acquisition Corporation

(Exact name of registrant as specified in its charter)

Cayman Islands		001-42972		N/A
(State or other jurisdiction of incorporation)		(Commission File Number)		(I.R.S. Employer Identification No.)

445 Park Avenue, 9th Floor New York, NY		10022
(Address of principal executive offices)		(Zip Code)

(332) 275-5814

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Units, each consisting of one Class A Ordinary Share and one Right		IGACU		The Nasdaq Stock Market LLC
Class A Ordinary Shares, par value $0.0001 per share		IGAC		The Nasdaq Stock Market LLC
Rights, each Right to acquire one-tenth (1/10) of one Class A Ordinary Share		IGACR		The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 8.01. Other Events.

On December 16, 2025, Invest Green Acquisition Corporation (the “Company”) announced that the holders of the Company’s units sold in the Company’s initial public offering (the “Units”) may elect to separately trade the Class A ordinary shares, par value $0.0001 per share (the “Class A ordinary shares”), and rights (the “Rights”) included in the Units commencing on December 22, 2025. Each Unit consists of one Class A ordinary share, and one Right entitling the holder thereof to receive one-tenth of one Class A ordinary share upon the completion of an initial business combination. Any Units not separated will continue to trade on the Nasdaq Global Market (“Nasdaq”) under the symbol “IGACU”. Any underlying Class A ordinary shares and Rights that are separated will trade on Nasdaq under the symbols “IGAC” and “IGACR”, respectively. Holders of Units will need to have their brokers contact Continental Stock Transfer and Trust Company, the Company’s transfer agent, in order to separate the holders’ Units into Class A ordinary shares and Rights.

A copy of the press release issued by the Company announcing the separate trading of the securities underlying the Units is attached hereto as Exhibit 99.1.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

99.1	Press Release dated December 16, 2025
104	Cover Page Interactive Data File (embedded within the Inline XBRL document)

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SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	INVEST GREEN ACQUISITION CORPORATION
	By:	/s/ Andrew McLean
		Name:	Andrew McLean
		Title:	Chief Executive Officer

Date: December 16, 2025

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FAQ

What did Invest Green Acquisition Corporation (IGACU) announce on December 16, 2025?

On December 16, 2025, Invest Green Acquisition Corporation announced that holders of its units may elect to separately trade the Class A ordinary shares and rights included in those units beginning December 22, 2025.

When can IGACU unit holders start separately trading Class A ordinary shares and rights?

Holders of IGACU units can begin separately trading the underlying Class A ordinary shares and rights on December 22, 2025.

What does each Invest Green Acquisition (IGACU) unit consist of?

Each unit consists of one Class A ordinary share, par value $0.0001 per share, and one right entitling the holder to receive one-tenth of one Class A ordinary share upon completion of an initial business combination.

Under which Nasdaq symbols will Invest Green Acquisition securities trade after separation?

Units that are not separated will continue to trade under IGACU. Separated Class A ordinary shares will trade under IGAC, and separated rights will trade under IGACR on the Nasdaq Global Market.

How can holders separate their IGACU units into Class A shares and rights?

Holders of IGACU units must have their brokers contact Continental Stock Transfer and Trust Company, the company’s transfer agent, to separate their units into Class A ordinary shares and rights.

Is there a related press release for the IGACU unit separation?

Yes. A press release dated December 16, 2025 announcing the separate trading of the securities underlying the units is included as Exhibit 99.1.