Why is IPHA Stock Up Today?
What Changed
Price Move History
- Daily moves over 5%
- 39 251 sessions, September 16, 2025 to September 16, 2026
- Largest daily move
- +64.4% close of May 14, 2026
- 1-year change
- -3.4% closing prices, September 16, 2025 to September 16, 2026
- 5-year change
- -65% closing prices, September 16, 2021 to September 16, 2026
Company Description
Innate Pharma S.A. (IPHA) is a global, clinical-stage biotechnology company focused on developing immunotherapies for cancer patients. The company concentrates on antibody-engineering and innovative target identification to create next-generation antibody therapeutics. Innate Pharma’s shares trade on Euronext Paris under the ticker IPH and on Nasdaq in the United States under the ticker IPHA.
According to company disclosures, Innate Pharma develops therapeutic approaches that include monoclonal antibodies (mAbs), Antibody Drug Conjugates (ADCs) and multi-specific NK cell engagers built on its proprietary ANKET® (Antibody-based NK cell Engager Therapeutics) platform. The company describes its pipeline as a portfolio of differentiated potential first- and/or best-in-class assets in areas of high unmet medical need in oncology.
Core focus and pipeline
Innate Pharma reports that it is prioritizing investment in what it considers its highest-value clinical assets: IPH4502, lacunatab, and monalizumab (the latter partnered with AstraZeneca). In its public communications, Innate Pharma also highlights additional clinical and preclinical programs emerging from the ANKET® platform and collaborations.
The company states that its pipeline includes:
- IPH4502, described as a differentiated Nectin-4 ADC in development in solid tumors.
- Lacutamab, described as a first-in-class anti-KIR3DL2 monoclonal antibody developed in advanced forms of cutaneous T cell lymphomas and peripheral T cell lymphomas. Company materials note that lacutamab has been evaluated in the Phase 2 TELLOMAK trial in cutaneous T‑cell lymphoma, with a confirmatory Phase 3 trial (TELLOMAK‑3) in preparation.
- Monalizumab, an anti‑NKG2A antibody developed in collaboration with AstraZeneca in non-small cell lung cancer, including evaluation in the Phase 3 PACIFIC‑9 trial run by AstraZeneca.
- IPH6501, an ANKET® anti‑CD20 with IL‑2V in a Phase 1/2 trial in B‑cell non‑Hodgkin’s lymphoma.
- IPH6101, an ANKET® anti‑CD123 program for which Innate Pharma reports it has regained rights from Sanofi.
- IPH5201, an anti‑CD39 antibody developed in collaboration with AstraZeneca and evaluated in the MATISSE Phase 2 trial in neoadjuvant lung cancer.
- IPH5301, an anti‑CD73 antibody studied in the investigator‑sponsored CHANCES Phase 1 trial.
- IPH62, an NK‑cell engager program targeting B7‑H3 from the ANKET® platform, under preclinical development in collaboration with Sanofi.
- SAR’514/IPH6401, a BCMA‑targeting ANKET® program that Sanofi has decided to pursue in autoimmune indications under an existing license agreement.
Earlier descriptions of Innate Pharma’s activities also reference the ANKET® platform as a proprietary technology for antibody-based NK cell engager therapeutics and list additional historical pipeline names such as IPH4502, lacutamab, monalizumab, IPH5201, IPH5301, IPH6101, IPH62, IPH6401 and IPH6501.
Business model and collaborations
Innate Pharma describes itself as a clinical-stage biotechnology company whose revenue results from payments received under research, collaboration and licensing agreements with pharmaceutical companies. Public information notes that collaboration and licensing revenue has been associated with agreements with partners including Sanofi and AstraZeneca.
The company states that it has established collaborations with leading biopharmaceutical companies, including Sanofi and AstraZeneca, as well as academic and research institutions. These collaborations are described as focused on advancing innovation in immuno-oncology and accelerating research and development based on Innate Pharma’s antibody-engineering expertise and ANKET® platform.
Geographic footprint and listings
Innate Pharma reports that it is headquartered in Marseille, France, with a US office in Rockville, Maryland. The company’s ordinary shares are listed on Euronext Paris (ticker: IPH), and American Depositary Shares are listed on Nasdaq in the US (ticker: IPHA). Company communications also reference an ISIN code FR0010331421 and a legal entity identifier (LEI) 9695002Y8420ZB8HJE29 for its securities.
Regulatory and clinical-stage profile
Innate Pharma repeatedly characterizes itself as a clinical-stage biotechnology company, emphasizing that its programs are in various stages of clinical and preclinical development. The company highlights regulatory designations for lacutamab, including Fast Track designation from the US Food and Drug Administration (FDA), PRIME designation from the European Medicines Agency (EMA) for Sézary syndrome, and Orphan Drug designations in the US and EU for cutaneous T‑cell lymphoma. Company materials also state that lacutamab has received Breakthrough Therapy Designation for Sézary syndrome.
Public updates describe multiple ongoing trials, such as Phase 1 and Phase 2 studies for IPH4502, lacutamab, and ANKET® assets, as well as the AstraZeneca‑run Phase 3 PACIFIC‑9 trial for monalizumab in unresectable Stage III non‑small cell lung cancer. These disclosures underline Innate Pharma’s focus on oncology indications with high unmet medical need.
Capital markets and investor information
Innate Pharma periodically publishes regulatory news on the number of shares outstanding and voting rights, in line with French market regulations. The company also releases a financial calendar outlining planned publication dates for financial statements and revenue updates, as well as the timing of its annual general shareholders meeting. In addition, Innate Pharma holds conference calls and webcasts to discuss business updates and financial results, and participates in investor conferences and dedicated analyst and investor events.
According to company statements, Innate Pharma has used tools such as an at‑the‑market (ATM) program for potential issuance of American Depositary Shares and has received equity investments from partners, including an equity investment by Sanofi under the terms of a collaboration agreement.
Sector and industry classification
Innate Pharma S.A. operates in the pharmaceutical preparation manufacturing industry within the broader manufacturing sector, with a specific focus on biotechnology and immuno-oncology. Its activities, as described in public disclosures, center on the research and development of antibody-based therapeutics and NK cell engager technologies for cancer treatment, rather than on large-scale commercial manufacturing.
FAQs about Innate Pharma S.A. (IPHA)
Stock Performance
Innate Pharma S.A. (IPHA) closed at $2.01 on September 16, 2026. Over the past 12 months, the price has lost 3.4%.
IPHA Metrics & Rankings
Price returns through September 16, 2026. Month-to-date and YTD include the first trading day. Ranking links may use different dates.
Latest News
Innate Pharma S.A. has 10 recent news articles, with the latest published today. Of the recent coverage, 4 articles coincided with positive price movement and 4 with negative movement. Key topics include earnings, partnership, conferences, earnings date, clinical trial. View all IPHA news →
SEC Filings
Innate Pharma S.A. has filed 5 recent SEC filings, including 5 Form 6-K. The most recent filing was submitted on September 10, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all IPHA SEC filings →
Financial Highlights
Innate Pharma S.A. generated $50.0M in revenue in FY2025.
Upcoming Events
Half-year financials
H1 2026 Business Update
Cash runway end
Expected cash runway end
3Q2026 revenue release
Preliminary data readout
TELLOMAK-3 first patient
TELLOMAK-3 enrollment start
Cash Runway End
Innate Pharma S.A. has 9 upcoming scheduled events. 3 of the upcoming events are financial in nature, such as earnings calls or quarterly results. Investors can track these dates to stay informed about potential catalysts that may affect the IPHA stock price.
Short Interest History
Short interest in Innate Pharma S.A. (IPHA) currently stands at 82.0 thousand shares, down 63.9% from the previous reporting period, representing 0.1% of the shares outstanding. Since September 2025, short interest has increased by 68.3%.
Days to Cover History
Days to cover for Innate Pharma S.A. (IPHA) currently stands at 1.8 days, up 81% from the previous period. This low days-to-cover ratio indicates high liquidity, allowing short sellers to quickly exit positions if needed. The ratio has shown significant volatility over the period, ranging from 1.0 to 27.5 days.
IPHA Company Profile & Sector Positioning
Innate Pharma S.A. (IPHA) operates in the Biotechnology industry within the broader Healthcare sector and is listed on the NASDAQ.
Investors comparing IPHA often look at related companies in the same sector, including NeOnc Technologies Holdings, Inc. (NTHI), C4 Therapeutics, Inc. (CCCC), Elicio Therapeutics, Inc. (ELTX), Enanta Pharmaceuticals, Inc (ENTA), and Aclaris Therapeutics, Inc. (ACRS). Comparing financial metrics, valuation ratios, and stock performance across these peers can help investors evaluate IPHA's relative position within its industry.
Innate Pharma (IPHA) reported first-half 2026 results and a new global partnership with Sobi for lacutamab, including a USD 75 million upfront payment following transaction closing on September 16, 2026.
The Sobi deal supports initiation of the TELLOMAK-3 Phase 3 CTCL study, with first patient expected in Q1 2027, and could bring up to USD 505 million in additional milestones plus tiered double-digit royalties. Innate also completed a €30 million private placement of 17,647,059 new shares and expects, together with the Sobi upfront payment, to extend its cash runway to the end of Q1 2028. As of June 30, 2026, cash, cash equivalents, short-term investments and financial assets were €21.4 million and financial liabilities were €20.2 million. Revenue and other income reached €5.7 million, while operating expenses fell to €24.7 million, driven by lower R&D and G&A costs.