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NASDAQ:OMER News 15 October 2025 - 25 December 2025

Omeros (OMER) Stock Surges After FDA Approval of Yartemlea: Latest News, Analyst Forecasts, and 2026 Outlook

Omeros (OMER) Stock Surges After FDA Approval of Yartemlea: Latest News, Analyst Forecasts, and 2026 Outlook

The FDA approved Omeros’ Yartemlea (narsoplimab-wuug) for adults and children with transplant-associated thrombotic microangiopathy, marking the first approved therapy for this condition. Omeros shares surged to a 52-week high after trading halts and heavy options activity. The company plans a U.S. launch in January 2026. Analysts renewed coverage following the regulatory decision.
25 December 2025
Omeros (OMER) Stock Surges After Hours on Dec. 24, 2025 After FDA Approves Yartemlea — What to Know Before the Next Market Open

Omeros (OMER) Stock Surges After Hours on Dec. 24, 2025 After FDA Approves Yartemlea — What to Know Before the Next Market Open

Omeros shares jumped 75% to $15.36 in after-hours trading Wednesday after the FDA approved its first commercial product, YARTEMLEA, for a rare post-transplant complication. The stock saw heavy volume and a wide range, with multiple trading halts reported. U.S. markets closed early for Christmas Eve and will reopen Friday. The FDA had previously rejected the drug in 2021.
24 December 2025
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Omeros Stock Explodes 146% on Surprise $2.1B Novo Nordisk Deal – What Comes Next?

Omeros Stock Explodes 146% on Surprise $2.1B Novo Nordisk Deal – What Comes Next?

Novo Nordisk Licensing Deal Sparks Rally On Oct. 15, Novo Nordisk (NYSE: NVO) and Omeros announced a landmark deal licensing zaltenibart (OMS906), Omeros’s experimental MASP-3 inhibitor for rare blood/kidney diseasesinvestor.omeros.com. Under the agreement, Novo pays $340M upfront and can pay up to $2.1 billion in total milestones and royalties for exclusive global rightsinvestor.omeros.comreuters.com. Reuters reports that Omeros stock “more than doubled to $9.90” in early trading after the newsreuters.com, and by market close had settled near $10.10investing.com. TechStock² (ts2.tech) notes Omeros shares surged roughly 65% on the announcementts2.tech. The deal is structured as an asset purchase and license – not
15 October 2025
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Novo Nordisk’s Surprise $2.1B Rare-Disease Acquisition Deal: What You Need to Know

Novo Nordisk’s Surprise $2.1B Rare-Disease Acquisition Deal: What You Need to Know

Deal Details: Novo Licenses Omeros’s MASP-3 Inhibitor On Oct. 15, Novo Nordisk and Seattle-based Omeros announced a definitive asset purchase and license agreement. Under the terms, Novo gains exclusive global rights to zaltenibart (OMS906) for all indications. Omeros will receive $340 million up front and near-term milestones, plus up to $2.1 billion total with development and sales milestones and tiered royalties Novonordisk. Reuters reported Novo would pay “up to $2.1 billion” for the experimental drug Reuters. The deal is structured as a licensing asset purchase, not a full acquisition, and is expected to close in Q4 2025 Marketscreener Novonordisk. Novo’s Chief Scientific
15 October 2025
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Stock Market Today

Tower Semiconductor stock jumps again on Nvidia optics tie-up as earnings near

Tower Semiconductor stock jumps again on Nvidia optics tie-up as earnings near

8 February 2026
Tower Semiconductor shares rose 7.7% to $139.04 Friday after announcing a collaboration with Nvidia on AI data-center networking. The stock touched $141 intraday and gained another 1% after hours. Investors await Tower’s Feb. 11 earnings for details on its silicon photonics work. No financial terms or shipment timeline were disclosed.
Longsys Electronics stock heads into Monday after new guarantees; what 301308 investors watch next

Longsys Electronics stock heads into Monday after new guarantees; what 301308 investors watch next

8 February 2026
Longsys disclosed new guarantees for a 100 million yuan Hong Kong loan and a $9 million Brazil credit line, bringing its total approved guarantee quota to 11 billion yuan and outstanding guarantees to 5.81 billion yuan. The company said all guarantees are for consolidated subsidiaries and within approved limits. Shares closed at 288 yuan Friday, down 1.6%. China inflation and credit data are due this week.
MACOM stock price steadies near highs into Monday after earnings pop and fresh filings

MACOM stock price steadies near highs into Monday after earnings pop and fresh filings

8 February 2026
MACOM shares rose 3.5% to $235.87 Friday after the company reported fiscal Q1 revenue of $271.6 million and raised its full-year data center growth outlook to 35–40%. Fidelity’s FMR LLC disclosed a 10.7% stake, while shareholder Susan Ocampo filed to potentially sell up to 100,000 shares. Stifel raised its price target to $255. MACOM expects to repay $161 million in convertible notes in March.
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