Protagenic Therapeutics delays Q2 Form 10-Q filing, misses 5-day extension window

• Protagenic Therapeutics filed a Form 12b-25, delaying its Form 10-Q for the quarter ended June 30, 2026.
• The report was not expected to be filed by the prescribed due date, citing unreasonable effort or expense.
• Management does not expect to file within the five-day extension period under Rule 12b-25.
• The notice flagged no anticipated significant change in results of operations versus the year-earlier quarter.

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