Welcome to our dedicated page for Kiniksa Pharmaceuticals International, plc news (Ticker: KNSA), a resource for investors and traders seeking the latest updates and insights on Kiniksa Pharmaceuticals International, plc stock.
Kiniksa Pharmaceuticals International, plc (Nasdaq: KNSA) generates frequent news through its work as a biopharmaceutical company focused on cardiovascular indications and diseases with unmet need. Company press releases and Form 8‑K filings highlight developments around its IL‑1 pathway franchise, including the commercial performance of ARCALYST (rilonacept) and the clinical progress of investigational monoclonal antibodies KPL‑387 and KPL‑1161.
News items commonly cover quarterly and annual financial results, where Kiniksa reports ARCALYST net product revenue, trends in prescriber adoption, and changes in guidance for expected ARCALYST net product revenue. These updates often include commentary on the uptake of IL‑1α and IL‑1β inhibition in recurrent pericarditis, the proportion of multiple‑recurrence patients on ARCALYST therapy, and the average duration of treatment.
Investors following KNSA news also see regular clinical and regulatory milestones. Kiniksa has announced the initiation and design of a Phase 2/3 clinical trial of KPL‑387 in recurrent pericarditis, Phase 1 data supporting a monthly dosing profile, and the U.S. FDA’s Orphan Drug Designation for KPL‑387 for the treatment of pericarditis. Additional updates describe preclinical or IND‑enabling activities for KPL‑1161, which has a target profile of quarterly subcutaneous dosing.
Corporate and investor‑relations announcements form another key part of the KNSA news flow. The company frequently issues notices about upcoming and completed presentations at healthcare and investor conferences, such as the J.P. Morgan Healthcare Conference, Jefferies Global Healthcare Conference, and other biopharma‑focused events. These communications typically reference webcasts and replays available through Kiniksa’s investor channels.
By monitoring this news stream, readers can track how Kiniksa manages ARCALYST commercialization, advances its IL‑1R1‑targeted pipeline, and updates its financial outlook. The KNSA news page on Stock Titan aggregates these releases so investors and observers can review earnings announcements, trial updates, regulatory designations, and conference participation in one place.
Kiniksa Pharmaceuticals (Nasdaq: KNSA) reported Q1 2026 results with ARCALYST net product revenue of $214.3M, a 56% year-over-year increase, and raised 2026 ARCALYST guidance to $930–$945M. Q1 net income was $22.6M. Cash and short-term investments totaled $468.1M with no debt. Clinical milestones: KPL-387 Phase 2 data expected in 2H 2026 and Phase 3 initiation targeted by year-end; KPL-1161 Phase 1 planned by end of 2026.
Kiniksa Pharmaceuticals (Nasdaq: KNSA) will report first quarter 2026 financial results on April 28, 2026 with a conference call and live webcast at 8:30 a.m. ET.
Telephone registration is required; webcast and a replay (available ~48 hours after the event) will be accessible via the company website.
Kiniksa (Nasdaq: KNSA) launched Heart’s Home, a targeted Direct-to-Consumer TV campaign for ARCALYST (rilonacept) on April 8, 2026. The campaign targets patients with recurrent pericarditis (about 40,000 U.S. patients yearly), is live on connected TV and streaming, and includes digital and social components. ARCALYST is the first-and-only FDA approved therapy to treat recurrent pericarditis and reduce recurrence risk in patients aged 12+, administered as a weekly subcutaneous injection blocking IL-1α and IL-1β.
Kiniksa Pharmaceuticals (Nasdaq: KNSA) announced management will participate in a fireside chat at the TD Cowen 46th Annual Health Care Conference on March 2, 2026 at 3:10 p.m. ET. A live webcast will be available via the Investors section of Kiniksa's website, with a replay posted within approximately 48 hours.
Kiniksa Pharmaceuticals (Nasdaq: KNSA) reported Q4 2025 ARCALYST net product revenue of $202.1M and full-year 2025 ARCALYST revenue of $677.6M, a 62% year-over-year increase. The company expects 2026 ARCALYST revenue of $900–$920M and plans KPL-387 Phase 2 data in 2H 2026 and a KPL-1161 Phase 1 start by end of 2026. Cash rose by $170.4M to $414.1M and full-year 2025 net income was $59.0M.
Kiniksa Pharmaceuticals (Nasdaq: KNSA) will report its fourth quarter and full year 2025 financial results on Tuesday, February 24, 2026.
The company will host a conference call and live webcast at 8:30 a.m. ET. A live webcast will be available via the Investors & Media section of the company's website, and a replay will be posted approximately 48 hours after the event. Telephone participants must register to receive dial-in details and a unique passcode.
Kiniksa Pharmaceuticals (NASDAQ: KNSA) reported unaudited ARCALYST net product revenue of $677.5M in 2025, ~62% year-over-year growth, and expects 2026 ARCALYST revenue of $900M–$920M. Gross-to-net was 8.4% in 2025 vs 9.8% in 2024, reflecting Inflation Reduction Act impacts and fourth-quarter reserve adjustments. As of Dec 31, 2025, cash, cash equivalents and short-term investments totaled $414.1M (no debt), up $170.4M in 2025 (unaudited). Approximately 18% of 14,000 multiple-recurrence patients were on ARCALYST at year end; >4,150 prescribers have written ARCALYST prescriptions. Clinical milestones: KPL-387 Phase 2 dose-focusing data expected 2H 2026; KPL-1161 Phase 1 planned by end of 2026.
Kiniksa Pharmaceuticals (Nasdaq: KNSA) will present at the 44th Annual J.P. Morgan Healthcare Conference on Monday, January 12, 2026 at 2:15 p.m. PT (5:15 p.m. ET). A live webcast will be available via the company's Investors website and a replay will be posted approximately 48 hours after the event.
Investors can access the webcast at www.kiniksa.com.
Kiniksa Pharmaceuticals (Nasdaq: KNSA) will present at the Jefferies Global Healthcare Conference in London on Monday, November 17, 2025 at 2:30 p.m. GMT (9:30 a.m. ET). Management's presentation will be webcast live and accessible via the Investors section of Kiniksa's website at www.kiniksa.com. A replay will be posted on the company website approximately 48 hours after the event.
Kiniksa Pharmaceuticals (Nasdaq: KNSA) reported Q3 2025 results and portfolio updates on October 28, 2025. ARCALYST net product revenue was $180.9M in Q3, a 61% year-over-year increase, leading Kiniksa to raise 2025 ARCALYST guidance to $670M–$675M (from $625M–$640M). The company reported net income of $18.4M in Q3 versus a net loss of $12.7M in Q3 2024. Cash, cash equivalents and short-term investments rose by $44.3M to $352.1M as of September 30, 2025, with no debt.
Pipeline news: FDA granted Orphan Drug Designation to KPL-387 for pericarditis; Phase 2 dose-finding data expected in H2 2026, then pivotal start. KPL-1161 remains in IND-enabling work.