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Protagonist Therapeutics, Inc

For the period ended Nov 5, 2026. Filed Nov 5, 2026.

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A notice of a major event between regular reports, such as results, a deal or a change of executives. It is often the first formal record of the news.

Nov 5, 2026 · Filed Nov 5, 2026

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PTGX$132.04-2.4%Stored close · as of Nov 6, 2026
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EX-99.1 · Share Repurchase Program

Share Repurchase Program

·On September 8, Protagonist announced that its Board of Directors authorized a share repurchase program under which the Company may repurchase up to $300 million of its outstanding common stock. The Company intends to fund repurchases from its cash, cash equivalents and marketable securities, as well as royalties and other payments received under its collaboration arrangements with Takeda related to MIMRYLO and Johnson & Johnson related to ICOTYDE. The timing and amount of any repurchases will depend on market conditions, alternative capital deployment opportunities and other factors.
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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.