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HOWL stock news · Werewolf Therapeutics Inc

Stories about Werewolf Therapeutics Inc (HOWL) from the last 90 days, each explained in plain English with whether the news reads good or bad for the company.

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  1. Aug 21, 2026, 12:08 PM ET · Market

    US Composite PMI Soars in August; Gold Prices Climb.

    Good for HOWL

    Shares increased 113% after announcing a merger with Ambros Therapeutics.

  2. Aug 21, 2026, 9:43 AM ET · Market

    Werewolf Therapeutics targets the unexploited pain management sector through its agreement with Ambros.

    Neutral

    The merger between Werewolf Therapeutics and Ambros Therapeutics marks a strategic move to tap into the pain management market, particularly for Complex Regional Pain Syndrome Type 1. The $150 million private placement will support the combined company's operations and drug development efforts, positioning them favorably in a market with significant unmet needs.

  3. Aug 21, 2026, 9:35 AM ET · Deal

    A $500M merger narrative has emerged involving one of Israel Englander's biotech selections.

    Neutral

    Werewolf Therapeutics has announced a merger with Ambros Therapeutics, valuing the latter at $500 million and resulting in a substantial pre-market rally of approximately 75% for Werewolf's shares. This merger not only enhances Werewolf's market position but also secures additional funding for drug development, indicating strong future growth potential.

  4. Aug 21, 2026, 12:40 AM ET · Market

    Werewolf Therapeutics (HOWL) shares surge nearly 90% in after-hours trading following a $28 million agreement with EMD Serono.

    Neutral

    Werewolf Therapeutics' stock skyrocketed nearly 90% after hours following the announcement of a deal to sell its pre-clinical technology platforms to EMD Serono for $28 million upfront, plus additional payments. This transaction not only provides Werewolf with non-dilutive cash but also allows it to retain rights to its clinical-stage programs, marking a pivotal moment for the company.

  5. Aug 20, 2026, 4:12 PM ET · Market

    Werewolf Therapeutics, Inc. enters into a significant definitive agreement (HOWL).

    Neutral

    Werewolf Therapeutics, Inc. has filed a Form 8-K announcing its entry into a material definitive agreement, which is likely to have a positive impact on its operations and investor sentiment. Such agreements often signal growth opportunities or strategic partnerships that can enhance the company's value.