Caribou Biosciences, Inc. quarterly report, Q3 FY2023

Caribou Biosciences, Inc. — Q3 2023 Form 10-Q

Reporting period: Quarter and nine months ended September 30, 2023. Caribou is a clinical-stage CRISPR genome-editing company developing allogeneic CAR-T and CAR-NK cell therapies. It has no approved products and has not generated product-sale revenue.

Financial performance and position

Amounts below are in USD millions except per-share data. Q3 and nine-month results are compared with the same 2022 periods.

MetricQ3 2023Q3 2022Nine months 2023Nine months 2022
Licensing and collaboration revenue$23.7$3.3$30.9$10.2
Research and development expense$28.6$20.0$80.8$56.5
General and administrative expense$9.7$9.8$28.7$29.5
Operating loss$(14.6)$(26.5)$(78.6)$(75.8)
Net loss$(10.0)$(26.6)$(67.6)$(72.4)
Basic and diluted loss per share$(0.12)$(0.44)$(0.98)$(1.19)
  • Cash and liquidity: At September 30, cash and cash equivalents were $104.1 million, with short- and long-term marketable securities of $292.6 million; total cash, cash equivalents, and marketable securities were $396.7 million. Current assets were $350.7 million and current liabilities $24.6 million.
  • Cash flow: For the nine months, operating cash use was $71.9 million, investing cash use $36.7 million, and financing cash provided $154.3 million. Cash, cash equivalents, and restricted cash increased $45.7 million.
  • Debt and obligations: The filing reports no material ongoing financing commitments such as credit lines. Lease liabilities totaled $27.5 million ($1.1 million current); undiscounted future lease payments were $42.9 million. Potential future development, regulatory, and sales milestone payments under certain licenses totaled approximately $161.2 million, contingent on specified events.
  • Margins: The filing does not present gross profit or a meaningful product margin; revenue is from licensing and collaborations, not product sales.

Material changes versus prior periods

  • Q3 revenue rose $20.4 million year over year, primarily because AbbVie termination led Caribou to recognize $20.8 million of previously deferred revenue. AbbVie revenue was $21.5 million in Q3 and $24.5 million for the nine months.
  • AbbVie gave notice on September 26, 2023, to terminate its collaboration; the termination became effective October 25, 2023. Caribou stopped performing related preclinical services and treated its performance obligation as substantially complete at September 30.
  • Q3 net loss narrowed by $16.6 million, largely reflecting the higher AbbVie revenue and increased interest income. For the nine months, net loss improved by $4.9 million, while operating loss widened by $2.8 million as R&D spending increased.
  • R&D expense increased $24.3 million for the nine months, driven mainly by external CRO/CMO activity and higher personnel costs. G&A declined $0.7 million.
  • Financing included a July–August follow-on offering of 22.1 million shares, generating approximately $134.4 million net, and a June Pfizer private placement of approximately $25.0 million gross. Shares outstanding increased to 88.4 million at September 30 from 61.0 million at year-end 2022.

Outlook, commentary, and risks

  • Management expected existing cash, cash equivalents, and marketable securities to fund its current operating plan for at least 12 months from the financial-statement issuance date. Caribou expects continued substantial losses and says it may need additional capital; profitability is uncertain.
  • Management planned to meet with the FDA by year-end 2023 about a potential pivotal trial for CB-010 in second-line large B-cell lymphoma, with feedback expected by year-end, and planned initial second-line dose-expansion data in the first half of 2024. These are forward-looking plans, not assured outcomes.
  • CB-010 is in the ANTLER Phase 1 trial; CB-011 is in the CaMMouflage Phase 1 trial; CB-012 had FDA IND clearance and was planned for evaluation in the AMpLify Phase 1 trial; CB-020 is a CAR-NK candidate in development. The company relies on third-party manufacturers and service providers.
  • Pfizer’s $25.0 million investment proceeds are restricted for 36 months to the CB-011/other qualifying anti-BCMA program. Pfizer also received information rights, a 30-day right of first negotiation for potential program-rights transactions, and a scientific advisory board designation right.
  • Key risks include clinical and regulatory uncertainty, whether early clinical results predict later outcomes, manufacturing and third-party reliance, intellectual-property disputes, future financing and dilution, and the possibility that cell therapies may not gain approval or acceptance.
  • Two putative securities class actions allege misleading disclosures concerning CB-010’s therapeutic durability and clinical/commercial prospects. The company says it considers the claims without merit and intends to defend them; no probable or reasonably estimable litigation liability was recorded.

Most important facts for investors to verify

  • How much of reported revenue and the improved quarterly loss reflects the one-time recognition of AbbVie deferred revenue, and what revenue remains after the collaboration ended.
  • Clinical-trial progress and the timing, quality, and interpretation of CB-010, CB-011, and CB-012 data, including the stated FDA and data-update plans.
  • Whether the $396.7 million liquidity balance and management’s runway estimate remain adequate as clinical and manufacturing spending grows.
  • Future dilution and any financing or partnering terms, including the use restrictions and information/negotiation rights associated with Pfizer’s investment.
  • Developments in the CB-010-related lawsuits, the contingent license milestone obligations, and the execution of lease and manufacturing commitments.