Arcturus Therapeutics to Present Ornithine Transcarbamylase (OTC) Deficiency Phase 2 Clinical Data and Provide Update on mRNA Liver Therapeutics Platform

Arcturus Therapeutics (ARCT) shares rose 10.7% after announcing participation in five investor conferences in September 2026, signaling confidence in its pipeline. The company has a cash position of $191M and a strategic collaboration with Thermo Fisher. Analysts maintain a Buy rating, and the stock hit a session high of $16.45, despite broader market declines.

Arcturus Therapeutics (ARCT) shares surged over 60% this week, driven by sector-wide enthusiasm for mRNA technology and company-specific progress. The rally began after positive late-stage results from Merck and Moderna's mRNA cancer vaccine. ARCT's pipeline focuses on rare diseases, with key trials expected to report data in 2026. The company recently regained full rights to its COVID vaccine, KOSTAIVE, and has a solid balance sheet. Despite recent challenges, retail sentiment has turned extrem

Eloxx Pharmaceuticals (ELOX) rose 20% after FDA cleared its Phase 2b trial for exaluren. Vogenx (VOGX) gained 14% post-IPO. Arcturus (ARCT) advanced 21% on pipeline updates. Zhengye (ZYBT) +7% after Nasdaq compliance. Greenwich (GLSI) +10% on extended lock-up. HeartSciences (HSCS) +8% after $1M investment. AC Immune (ACIU) +8% on Phase 1 data.

Arcturus Therapeutics (ARCT) reported Q2 2026 revenue of $3M ($5M for six months) versus $28.3M and $57.7M a year earlier, citing lower recognition tied to the CSL Seqirus collaboration termination process. Net loss was $23.8M ($0.84/share). Cash was $191.5M, with a runway through 2028. Company regained global rights to KOSTAIVE and received a $12M one-time payment. Phase II ARCT-032 enrollment continues, with a Phase III decision expected in Q4 2026.

Arcturus Therapeutics (Nasdaq: ARCT) terminated its sa-mRNA vaccine partnership with CSL Seqirus via a settlement. Arcturus regained global rights to KOSTAIVE (ARCT-154) and other vaccine programs. CSL Seqirus will pay $12m cash, and Arcturus is released from about $16m in R&D credits, totaling about $28m. The deal unwinds a pact valued around $4.3b.

Arcturus Therapeutics Holdings Inc. (ARCT) filed an SEC Form 8-K — Results of Operations and Financial Condition. Arcturus Therapeutics Announces Second Quarter 2026 Financial Results and Pipeline Progress ARCT-032 (CF) Phase 2 study enrollment remains on schedule; the decision to proceed into Phase 3 expected Q4 2026 ARCT-810 (OTC Deficiency) Phase 2 study enrollment and dosing completed; d