# EDGAR Filing Document

**Accession Number:** 0001661998
**File Stem:** 0001193125-25-303115
**Filing Date:** 2025-12
**Character Count:** 21286
**Document Hash:** d2f194bcae4babefff8ce982f7ec645c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-303115.hdr.sgml**: 20251201

**ACCESSION NUMBER**: 0001193125-25-303115

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 14

**CONFORMED PERIOD OF REPORT**: 20251128

**ITEM INFORMATION**: Entry into a Material Definitive Agreement

**ITEM INFORMATION**: Termination of a Material Definitive Agreement

**ITEM INFORMATION**: Completion of Acquisition or Disposition of Assets

**ITEM INFORMATION**: Regulation FD Disclosure

**ITEM INFORMATION**: Other Events

**ITEM INFORMATION**: Financial Statements and Exhibits

**FILED AS OF DATE**: 20251201

**DATE AS OF CHANGE**: 20251201

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Q32 Bio Inc.
- **CENTRAL INDEX KEY:** 0001661998
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 473468154
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38433
- **FILM NUMBER:** 251537133

**BUSINESS ADDRESS:**
- **STREET 1:** 830 WINTER STREET
- **CITY:** WALTHAM
- **STATE:** MA
- **ZIP:** 02451
- **BUSINESS PHONE:** 781-999-0232

**MAIL ADDRESS:**
- **STREET 1:** 830 WINTER STREET
- **CITY:** WALTHAM
- **STATE:** MA
- **ZIP:** 02451

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Homology Medicines, Inc.
- **DATE OF NAME CHANGE:** 20151228

?xml version='1.0' encoding='ASCII'? 8-K

### 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): November 28, 2025

## Q32 Bio Inc.

#### (Exact name of Registrant as Specified in Its Charter)

---

| | | |
|:---|:---|:---|
| **Delaware** | **001-38433** | **47-3468154** |
| **(State or Other Jurisdiction<br>of Incorporation)** | **(Commission**<br> **File Number)** | **(IRS Employer<br>Identification No.)** |
| **830 Winter Street** | **830 Winter Street** |  |
| **Waltham, Massachusetts** | **Waltham, Massachusetts** | **02451** |
| **(Address of Principal Executive Offices)** | **(Address of Principal Executive Offices)** | **(Zip Code)** |

---

#### Registrant's Telephone Number, Including Area Code: 781 999-0232

#### 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:

---

| | | |
|:---|:---|:---|
| **Title of each class** | **Trading<br>Symbol(s)** | **Name of each exchange**<br> **on which registered** |
| Common stock, par value $0.0001 per share | QTTB | The Nasdaq Capital 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 1.01** | **Entry into a Material Definitive Agreement.**  |

---

On November 28, 2025 (the "Closing Date"), Q32 Bio Inc. (the "Company"), entered into an Asset Purchase Agreement (the "Asset Purchase Agreement") with Q32 Bio Operations Inc., a wholly-owned subsidiary of the Company ("Q32 Bio Operations" and, together with the Company, the "Seller"), and Akebia Therapeutics, Inc. ("Akebia") pursuant to which the Seller sold to Akebia substantially all of the Seller's assets related to the research, development, manufacture and commercialization of ADX-097 (the "ADX-097 Asset Sale"). Following the ADX-097 Asset Sale, Akebia will be responsible for any future development and commercialization of ADX-097. As consideration for the ADX-097 Asset Sale, the Company (i) received an upfront payment of $7.0 million on the Closing Date, and (ii) will receive a payment of $3.0 million on the six-month anniversary of the Closing Date. The Company will also receive a near-term milestone payment of $2.0 million upon the earlier of achievement of the first milestone under the Asset Purchase Agreement or December 31, 2026. In addition to these payments, the Company is eligible to receive up to $580 million upon the achievement of specified milestones, including up to $92.5 million related to development and regulatory milestones and up to $487.5 million related to commercial milestones. The Company is also eligible to receive tiered royalties on potential future sales of ADX-097 ranging from low single-digit to mid-teen percentages of annual net sales. The royalties will expire on a country-by-country basis on the later to occur of (a) the date of expiration of the last-to-expire valid claim of any transferred patent right that covers such product in such country, and (b) the tenth anniversary of the first commercial sale of such product.

The Asset Purchase Agreement contains customary representations, warranties, conditions and covenants made by the Seller and Akebia.

The Asset Purchase Agreement further provides that, subject to certain limitations, the Seller and Akebia will each indemnify the other for certain losses arising from such breaches of representations, warranties and covenants and liabilities allocated to such party pursuant to the terms of the Asset Purchase Agreement.

The foregoing description of the Asset Purchase Agreement does not purport to be a complete description of the rights and obligations of the parties thereunder and is qualified in its entirety by reference to the full text of such agreement, which will be filed as an exhibit to the Company's Annual Report on Form 10-K for the year ended December 31, 2025.

---

| | |
|:---|:---|
| **Item 1.02** | **Termination of a Material Definitive Agreement.**  |

---

On November 28, 2025, in connection with the ADX-097 Asset Sale, the Company terminated its obligations under that certain exclusive license agreement, dated August 9, 2017, as amended in February 2018, September 2018, and April 2019 (the "Colorado License Agreement"), with The Regents of the University of Colorado, pursuant to which the Company obtained worldwide, royalty-bearing, sublicensable licenses under certain patents and know-how owned by Colorado and Medical University of South Carolina relating to the research, development and commercialization of ADX-097. The Colorado License Agreement was amended and restated and all of the Company's rights and obligations thereunder were transferred to Akebia.

---

| | |
|:---|:---|
| **Item 2.01** | **Completion of Acquisition or Disposition of Assets.**  |

---

The information regarding the ADX-097 Asset Sale set forth in Item 1.01 above is hereby incorporated by reference into this Item 2.01.

------

---

| | |
|:---|:---|
| **Item 7.01** | **Regulation FD Disclosure.**  |

---

On December 1, 2025, the Company issued a press release announcing the ADX-097 Asset Sale disclosed under Item 1.01 of this Current Report on Form 8-K. A copy of the press release is furnished as Exhibit 99.1 to this report.

The information in this Current Report on Form 8-K (including Exhibit 99.1 attached hereto) is intended to be furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act") or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

---

| | |
|:---|:---|
| **Item 8.01** | **Other Events.**  |

---

On December 1, 2025, the Company announced it now expects its cash and cash equivalents, together with the $7.0 million upfront payment and $5.0 million in anticipated near-term milestone payments from the ADX-097 Asset Sale, to fund the Company's operations into the second half of 2027, through the Company's SIGNAL-AA Part A OLE and topline results of the SIGNAL-AA Part B trial expected in mid-2026.

*Forward-Looking Statements* 

This Current Report on Form 8-K contains forward-looking statements within the meaning of the U.S. Private Securities Litigation Reform Act of 1995, as amended, and other federal securities laws. Any statements contained herein which do not describe historical facts, including, among others, statements relating to the Company's expectations that its cash and cash equivalents, together with the $7.0 million upfront payment and $5.0 million in anticipated near-term milestone payments from the ADX-097 Asset Sale, are expected to fund the Company's operations into the second half of 2027, are forward-looking statements. The forward-looking statements involve risks and uncertainties that could cause actual results to differ materially from those discussed in such forward-looking statements.

Forward-looking statements generally include statements that are predictive in nature and depend upon or refer to future events or conditions, and include words such as "may," "will," "should," "would," "expect," "anticipate," "plan," "likely," "believe," "estimate," "project," "intend," and other similar expressions among others. Forward-looking statements are based on management's current beliefs and assumptions, which are subject to risks and uncertainties and are not guarantees of future performance. Such risks and uncertainties include, among others, the risk that actual results may differ from the Company's projected cash runway, and such other risks and uncertainties identified in the Company's periodic, current and other filings with the U.S. Securities and Exchange Commission (the "SEC"), including its Quarterly Report on Form 10-Q for the quarter ended September 30, 2025 and any subsequent filings with the SEC, which are available at the SEC's website at www.sec.gov. Any such risks and uncertainties could materially and adversely affect the Company's results of operations and its cash flows, which would, in turn, have a significant and adverse impact on the Company's stock price. We caution you not to place undue reliance on any forward-looking statements, which speak only as of the date they are made. The Company disclaims any obligation to publicly update or revise any such statements to reflect any change in expectations or in events, conditions or circumstances on which any such statements may be based, or that may affect the likelihood that actual results will differ from those set forth in the forward-looking statements.

---

| | |
|:---|:---|
| **Item 9.01** | **Financial Statements and Exhibits.**  |

---

(d) Exhibits

---

| | |
|:---|:---|
| **Exhibit<br>No.** | **Description** |
| 99.1 | [Press Release issued on December 1, 2025.](d70163dex991.htm) |
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document) |

---

------

#### SIGNATURES
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.

---

| | | |
|:---|:---|:---|
|  |  | **Q32 BIO INC.** |
| Date: December 1, 2025 | By: | /s/ Jodie Morrison |
|  | Name:<br> Title: | Jodie Morrison<br> Chief Executive Officer |

---

## Exhibit 99.1

**Exhibit 99.1**![LOGO](g70163g1129054949920.jpg)

**Q32 Bio Sells Complement Inhibitor ADX-097** 

*-- Asset sale further enables Company's strategic focus on advancing bempikibart for alopecia areata --* 

*-- $12 million in upfront and guaranteed near-term milestone payments expected to extend cash runway into the second half of 2027 --* 

*-- Eligible to receive up to a total of $592 million including the $12 million in upfront and near-term payments upon achievement of certain development, regulatory and commercial milestones and eligible for tiered royalties up to a mid-teen percent of annual net sales --* 

*-- Q32 Bio retains wholly owned tissue-targeted complement inhibitor platform, including ADX-096 and other remaining early-stage assets; continuing to evaluate strategic options for these programs --* 

WALTHAM, Mass.—December 1, 2025 – Q32 Bio Inc. (NASDAQ: QTTB) ("Q32 Bio"), a clinical stage biotechnology company focused on developing innovative therapies for alopecia areata (AA) and other autoimmune and inflammatory diseases, today announced that it has sold its Phase 2 complement inhibitor, ADX-097, to Akebia Therapeutics, Inc. (NASDAQ: AKBA) ("Akebia").

"This transaction strengthens our cash position through additional non-dilutive funding, extending our runway into the second half of 2027, as we remain focused on advancing bempikibart for patients with AA, an indication with significant unmet medical need. We believe bempikibart has tremendous potential to transform the AA treatment paradigm and we look forward to sharing topline data from Part B of the SIGNAL-AA Phase 2a trial, which remains on-track for mid-2026," said Jodie Morrison, Chief Executive Officer of Q32 Bio. "We are pleased to transition ownership and continued development of ADX-097 to Akebia, a company focused on developing and commercializing therapies for kidney disease."

ADX-097, the lead product candidate from Q32 Bio's tissue-targeted complement inhibitor platform, is a humanized anti-C3d Factor H monoclonal antibody ("mAb") fusion protein. ADX-097 is designed to inhibit complement activation—an integral part of the innate immune system—through a novel, tissue-targeted mechanism with potential in a range of indications associated with C3d deposition including kidney, autoimmune, vascular and skin diseases.

Q32 Bio's tissue-targeted complement platform is designed to inhibit complement activation in the tissue while minimizing systemic complement blockade, a key differentiator versus current complement therapeutics. The platform is proprietary to Q32 Bio and developed with foundational science from the University of Colorado Anschutz Medical Campus. Beyond ADX-097, discovery and earlier development efforts include ADX-096, a C3d mAb – CR1 fusion protein with preclinical data supportive of its use in ophthalmologic indications as well as potential utility in a broad range of other indications, and C3d mAb fusions and nanobodies designed for tissue-targeted complement inhibition. Q32 Bio retains the rights to its wholly owned tissue-targeted complement inhibitor platform, including ADX-096 and other remaining early-stage assets and is continuing to evaluate strategic options for these programs.

------

![LOGO](g70163g1129054949920.jpg)

Akebia has acquired ADX-097 and will be responsible for future development and commercialization. Under the terms of the agreement, Q32 Bio will receive $12 million in upfront payments and a near-term milestone, which includes $7 million received at signing, $3 million at the 6-month anniversary of signing, and $2 million payable upon the earlier of the achievement of a milestone or the end of 2026. These payments as well as potential development, regulatory and commercial milestones total up to $592 million. Q32 Bio is also eligible to receive tiered royalties on potential future sales of ADX-097, ranging from low single-digit to mid-teen percentages.

Q32 Bio now expects its cash and cash equivalents, together with the upfront payments and near-term milestone from the sale of ADX-097, to fund operations into the second half of 2027, through the SIGNAL-AA Part A OLE and topline results of the SIGNAL-AA Part B trial expected in mid-2026.

**About Q32 Bio** 

Q32 Bio is a clinical stage biotechnology company whose science targets potent regulators of the adaptive immune system to re-balance immunity and is focused on developing innovative therapies for alopecia areata and other autoimmune and inflammatory diseases. About 700,000 people in the United States live with alopecia areata<sup>1</sup>, a disease which has a life-altering impact on patients and limited current treatment options. Q32 Bio is advancing bempikibart (ADX-914), a fully human anti-IL-7Rα antibody that re-regulates adaptive immune function, for the treatment of alopecia areata in an ongoing Phase 2 program. The IL-7 and TSLP pathways have been genetically and biologically implicated in driving several T cell-mediated pathological processes in numerous autoimmune diseases.

For more information, visit www.Q32Bio.com.

<sup>1</sup> National Alopecia Areata Foundation

**Availability of Other Information About Q32 Bio** 

Investors and others should note that Q32 Bio communicates with its investors and the public using its website www.Q32Bio.com, including, but not limited to, Q32 Bio's disclosures, investor presentations and FAQs, Securities and Exchange Commission (the "SEC") filings, press releases, public conference call transcripts and webcast transcripts, as well as on X (formerly Twitter) and LinkedIn. The information that Q32 Bio posts on its website or on X or LinkedIn could be deemed to be material information. As a result, Q32 Bio encourages investors, the media and others interested to review the information that it posts there on a regular basis. The contents of Q32 Bio's website or social media shall not be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended.

**Forward-Looking Statements**

This communication contains forward-looking statements within the meaning of the U.S. Private Securities Litigation Reform Act of 1995, as amended, and other federal securities laws. Any statements contained herein which do not describe historical facts are forward-looking statements, including, among others, Q32 Bio's beliefs, observations, expectations and assumptions regarding the sale of ADX-097 and potential for future milestone payments and royalties, potential efficacy and potential benefits of bempikibart, the timing of results of the SIGNAL-AA Part A OLE and SIGNAL-AA Part B trials, and the future of its business, future plans and strategies, including statements regarding the sufficiency of its cash and cash equivalents to provide financial runway through certain clinical milestones and into the second half of 2027; which involve risks and uncertainties that could cause actual results to differ materially from those discussed in such forward-looking statements.

------

![LOGO](g70163g1129054949920.jpg)

Forward-looking statements are based on management's current beliefs and assumptions, which are subject to risks and uncertainties and are not guarantees of future performance. Such risks and uncertainties include, among others, the risk that additional data, or the results of ongoing data analyses, may not support Q32 Bio's current beliefs and expectations for the sale of ADX-097 and potential for future milestone payments and royalties, its expected cash runway and clinical milestones, the potential for bempikibart to transform the AA treatment paradigm, the risk that ongoing and future clinical studies, including that the SIGNAL-AA Part A OLE and topline results of the SIGNAL-AA Part B trial may not be completed by mid-2026 or at all, might be more costly than expected or might not yield anticipated results, that Q32 Bio may use its capital resources sooner than currently anticipated and such other risks and uncertainties identified in Q32 Bio's periodic, current and other filings with the SEC, including its Quarterly Report on Form 10-Q for the quarter ended September 30, 2025 and any subsequent filings with the SEC, which are available at the SEC's website at www.sec.gov. Any such risks and uncertainties could materially and adversely affect Q32 Bio's results of operations and its cash flows, which would, in turn, have a significant and adverse impact on Q32 Bio's stock price. Q32 Bio cautions you not to place undue reliance on any forward-looking statements, which speak only as of the date they are made. Q32 Bio disclaims any obligation to publicly update or revise any such statements to reflect any change in expectations or in events, conditions or circumstances on which any such statements may be based, or that may affect the likelihood that actual results will differ from those set forth in the forward-looking statements.

**Contacts:** 

Investors: Brendan Burns

Argot Partners

212.600.1902 Q32Bio@argotpartners.com

Media: David Rosen

Argot Partners

646.461.6387 david.rosen@argotpartners.com