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Werewolf Therapeutics (HOWL) Stock Is Trending Overnight—Here's Why It Jumped 90% After Hours

BenzingaAug 21, 2026, 4:34 AMMohd Haider

Werewolf Therapeutics shares surge 89.94% after hours as $33 million deal with EMD Serono brings fresh non-dilutive cash.

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Source
benzinga
Observed
Aug 21, 2026, 4:34 AM
Checked
Aug 21, 2026, 4:34 AM
Cadence
Captured once, then retained as an archive reference
Status
fresh

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