UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

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

Date of Report (Date of earliest event reported): September 10, 2026

OceanLight Acquisition Corporation

(Exact name of registrant as specified in its charter)

Cayman Islands 001-43440 N/A
(State or other jurisdiction
of incorporation)
(Commission
File Number)
(IRS Employer
Identification No.)

1185 Avenue of the Americas, Suite 349.
New York, NY 10036

10036
(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (212) 574-4425

Not Applicable

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

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation to 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 exchange on which registered

Units, each consisting of one ordinary share, one right and one redeemable warrant

OCLTU The Nasdaq Stock Market LLC
Ordinary Shares, $0.0001 par value OCLT The Nasdaq Stock Market LLC
Rights, each right to receive one-fourth (1/4) of one Ordinary Share OCLTR The Nasdaq Stock Market LLC

Warrants, each exercisable for one ordinary share at an exercise price of $11.50 per share

OCLTW 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 September 10, 2026, OceanLight Acquisition Corporation (the “Company”) announced that, with the consent of the underwriter, holders of the Company’s units may elect to separately trade the ordinary shares, rights and warrants included in the units, commencing on or about September 11, 2026. Any units not separated will continue to trade on the Nasdaq Global Market under the symbol “OCLTU.” The ordinary shares, rights and warrants that are separated are expected to trade on the Nasdaq Capital Market under the symbols “OCLT”, “OCLTR” and “OCLTW,” respectively. Holders of units will need to have their brokers contact Continental Stock Transfer & Trust Company, the Company’s transfer agent, in order to separate the units into ordinary shares, rights and warrants.

On September 10, the Company issued a press release announcing the separate trading of the securities underlying the units. A copy of this press release is attached hereto as Exhibit 99.1 and is incorporated by reference.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits
Exhibit No. Description
99.1 Press Release, dated September 10, 2026
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.

OceanLight Acquisition Corporation
Date: September 10, 2026 By: /s/ Ping Zhang
Name: Ping Zhang
Title: Chief Executive Officer

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