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Protagenic Therapeutics, Inc.\new — Investor Relations & Filings

Ticker · PTIX ISIN · US74365N2027 LEI · 549300KPBYAVJLPDKB70 US Professional, scientific and technical activities
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Filings indexed 678 across all filing types
Latest filing 2026-03-02 Board/Management Inform…
Country US United States of America
Listing US PTIX

About Protagenic Therapeutics, Inc.\new

https://protagenic.com/

Protagenic Therapeutics, Inc. is a biopharmaceutical company focused on developing peptide-based therapeutics for stress-related disorders. The company's core technology is its TCAP (teneurin C-terminal associated peptide) platform, which utilizes neuropeptides to regulate the brain's stress response at a cellular level. This approach aims to counteract the 'Stress Feedback Loop' implicated in various neuropsychiatric and neurodegenerative conditions. Its lead drug candidate, PT00114, a synthetic TCAP, is being developed as a potential first-in-class treatment for disorders such as anxiety and depression.

Recent filings

Filing Released Lang Actions
8-K - PROTAGENIC THERAPEUTICS, INC.\NEW (0001022899) (Filer)
Board/Management Information Classification · 100% confidence The document is a Form 8-K filed with the SEC, dated February 3, 2026, by Protagenic Therapeutics, Inc. The key content is under Item 5.02, which announces the appointment of a new President, William (Bill) Nichols, Jr. This is a clear announcement of a change in senior management. The document does not contain financial statements or detailed financial data, nor is it a report or presentation. It is specifically about management changes, which fits the Board/Management Information category (MANG). The document length is 4450 characters, which is consistent with a typical 8-K management change announcement. Therefore, the correct classification is MANG with high confidence.
2026-03-02 English
8-K - PROTAGENIC THERAPEUTICS, INC.\NEW (0001022899) (Filer)
Regulatory Filings Classification · 95% confidence The document is a Form 8-K filed with the SEC by Protagenic Therapeutics, Inc. It reports on the entry into a material definitive agreement, specifically a Settlement Agreement and an Unwind, Termination and Share Exchange Agreement related to the termination and unwinding of a previous acquisition transaction. The document details the terms of the settlement, the unwind of the share exchange agreement, and the disposition of assets. It also includes exhibits of the agreements and a cover page interactive data file. The document is not a full annual or quarterly report, nor is it an earnings release or a proxy statement. It is a current report disclosing significant corporate events and agreements. Therefore, it fits the category of Regulatory Filings (RNS), which is the fallback category for miscellaneous filings that do not fit other specific categories. The document length (over 10,000 characters) and detailed content confirm it is not merely an announcement but a substantive filing. Confidence is high due to the clear identification as a Form 8-K and the nature of the content.
2026-02-24 English
25-NSE Filing
Delisting Announcement
2026-01-23 English
8-K Filing
Delisting Announcement Classification · 100% confidence The document is a Form 8-K filed with the SEC by Protagenic Therapeutics, Inc. The key content is an Item 3.01 notice regarding the delisting of the company's securities from Nasdaq due to failure to meet listing requirements, with the securities moving to OTC trading. The document includes details about the delisting event, the company's plans, and a signature from the CFO. There are no financial statements or detailed financial data, nor is this a report publication announcement. The document is clearly an official notice of delisting as per SEC Form 8-K requirements. Therefore, the appropriate classification is Delisting Announcement (DLST).
2026-01-05 English
DEF 14A
Proxy Solicitation & Information Statement
2025-12-05 English
10-Q
Interim / Quarterly Report Q3 2025
2025-11-26 English

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