Protagenic Therapeutics Inc. – Filings and Transcripts

OTC: PTIX
Share price (7/22/26): $0.22
Market cap (7/22/26): $390 thousand

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Late annual filing notification for FY 2026

ended 12/31/25 Q3

Late quarterly filing notification for Q3 2026

ended 09/30/25 Q2

Late quarterly filing notification for Q2 2026

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Removal from listing

Prospectus supplement for primary offering

Prospectus supplement for primary offering

Shelf registration – amended

Prospectus supplement

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Evans Barrett, Mammoth Crest Capital LLC, EMC2 Capital LLC

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Bigger Capital Fund L P

Armistice Capital, LLC

Armistice Capital, LLC

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