# EDGAR Filing Document

**Accession Number:** 0001619856
**File Stem:** 0001619856-25-000052
**Filing Date:** 2025-6
**Character Count:** 4744
**Document Hash:** 997805cc4db650c75715ad0fc09b7db0
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001619856-25-000052.hdr.sgml**: 20250623

**ACCESSION NUMBER**: 0001619856-25-000052

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 12

**CONFORMED PERIOD OF REPORT**: 20250618

**ITEM INFORMATION**: Other Events

**FILED AS OF DATE**: 20250623

**DATE AS OF CHANGE**: 20250623

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Caribou Biosciences, Inc.
- **CENTRAL INDEX KEY:** 0001619856
- **STANDARD INDUSTRIAL CLASSIFICATION:** BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 453728228
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-40631
- **FILM NUMBER:** 251062999

**BUSINESS ADDRESS:**
- **STREET 1:** 2929 7TH STREET, SUITE 105
- **CITY:** BERKELEY
- **STATE:** CA
- **ZIP:** 94710
- **BUSINESS PHONE:** 510-982-6030

**MAIL ADDRESS:**
- **STREET 1:** 2929 7TH STREET, SUITE 105
- **CITY:** BERKELEY
- **STATE:** CA
- **ZIP:** 94710

?xml version='1.0' encoding='ASCII'? crbu-20250618

**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): June 18, 2025**

________________________________________

**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<br>of Incorporation)** | **(Commission File Number)** | **(IRS Employer<br>Identification No.)** |
| **2929 7th Street, Suite 105**<br>**Berkeley, California** | | **94710** |
| **(Address of Principal Executive Offices)** | | **(Zip Code)** |

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

**N/A**

**(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 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:**

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| | | |
|:---|:---|:---|
| **Title of each class** | **Trading**<br>**Symbol(s)** | **Name of each exchange on which registered** |
| Common Stock, $0.0001 par value per share | CRBU | NASDAQ Global Select Market |

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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. ☐

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**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).

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**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.

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| | | | |
|:---|:---|:---|:---|
| | | | Caribou Biosciences, Inc. |
| Date: | June 23, 2025 | By: | /s/ Rachel E. Haurwitz |
|  |  |  | Rachel E. Haurwitz, Ph.D.<br>President and Chief Executive Officer |

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