Biotech Stocks Fluctuate Post-Market: Delcath Gains from Buyback, BioVie and Cassava Recover
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Nov 21 2025
0mins
Source: NASDAQ.COM
Delcath Systems' Buyback Announcement: Delcath Systems saw a 4.02% increase in after-hours trading to $8.52 following the announcement of a $25 million share repurchase program, indicating confidence in its long-term outlook.
BioVie Inc. Gains Despite No News: BioVie Inc. rose 13.39% to $1.44 in extended trading, rebounding from a decline during the regular session, with the increase attributed to speculative trading rather than new company-specific news.
Cassava Sciences' After-Hours Rally: Cassava Sciences advanced 9.17% to $2.87 after hours, recovering from a regular session drop, as investors reacted to its recent Q3 results showing a reduced net loss and significant cash reserves.
Enlivex Therapeutics' Modest Increase: Enlivex Therapeutics experienced a 4.24% rise to $0.95 in after-hours trading, despite no new developments reported on Thursday.
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Analyst Views on SAVA
About SAVA
Cassava Sciences, Inc. is a clinical-stage biopharmaceutical company focused on developing novel, investigational treatments for central nervous system disorders, including Alzheimer’s disease and tuberous sclerosis complex (TSC)-related seizures. The Company's science is based on stabilizing, but not removing, a critical protein in the brain for patients with disorders such as Alzheimer’s disease or TSC. It has two biopharmaceutical assets under development: Simufilam and SavaDx. Simufilam, its lead therapeutic product candidate, is an oral treatment for Alzheimer’s disease and TSC-related epilepsy. Simufilam targets an altered form of a protein called filamin A (FLNA) in the brain of patients with disorders such as Alzheimer’s disease or TSC. SavaDx, its lead investigational diagnostic product candidate, early-stage program focused on detecting the presence of Alzheimer’s disease from a small sample of blood.
About the author
Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
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