UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

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FORM 8-K

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CURRENT REPORT

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

Date of Report (Date of earliest event reported): June 18, 2025

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Caribou Biosciences, Inc.

(Exact name of Registrant as Specified in Its Charter)

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Delaware	001-40631	45-3728228
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)

2929 7th Street, Suite 105 Berkeley, California		94710
(Address of Principal Executive Offices)		(Zip Code)

Registrant’s Telephone Number, Including Area Code: (510) 982-6030

N/A

(Former Name or Former Address, if Changed Since Last Report)

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Check the appropriate box below if the Form 8-K filing 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

Common Stock, $0.0001 par value per share

CRBU

NASDAQ Global Select Market

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 June 18, 2025, Caribou Biosciences, Inc., a Delaware corporation (the “Company”), received a written notice (the “Compliance Notice”) from the Staff of the Nasdaq Stock Market, LLC (“Nasdaq”) indicating that the Company has regained compliance with Nasdaq Listing Rule 5450(a)(1), which requires that companies listed on the Nasdaq Global Select Market maintain a minimum closing bid price of $1.00 per share. Nasdaq notified the Company in the Compliance Notice that, from June 3, 2025, to June 17, 2025, the closing bid price of the Company’s common stock had been $1.00 per share or greater and, accordingly, the Company had regained compliance with Nasdaq Listing Rule 5450(a)(1).

SIGNATURES

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


			Caribou Biosciences, Inc.

Date:	June 23, 2025	By:	/s/ Rachel E. Haurwitz
			Rachel E. Haurwitz, Ph.D. President and Chief Executive Officer

Caribou Biosciences, Inc. 8-K