---
schema_version: "secwatch.filing_event.v1"
accession: "0001641172-25-011387"
form_type: "8-K"
ticker: "PTIX"
cik: "0001022899"
company_name: "Protagenic Therapeutics, Inc.new"
filed_at: "2025-05-19T23:59:59+00:00"
generated_at: "2026-05-21T01:01:36.938642+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.9
calibrated_materiality_score: 0.9
confidence: "high"
source: SEC EDGAR
---

# Protagenic Therapeutics acquires Phytanix Bio in share exchange, appoints new CEO and directors

## Summary
- Acquired 100% of Phytanix Bio common shares from Alterola Biotech and EMC2 Capital as of May 15, 2025
- Issued 117,690 common shares, 5,705 Series C Preferred, 950,000 Series C-1 Preferred, and 20,000 Series D Preferred to Phytanix stockholders
- Appointed Barrett Evans as President and CEO, Colin Stott as COO and director, and Jennifer Chao as director; Andrew Slee promoted to Chief Development Officer
- Resignations of directors Khalil Barrage, Tim Wright, and Robert Stein effective immediately before closing
- Filed certificates of designation for Series C and C-1 Non-Voting Convertible Preferred Stock on May 15, 2025

## SEC filing metadata
- accession: 0001641172-25-011387
- form_type: 8-K
- ticker: PTIX
- cik: 0001022899
- company_name: Protagenic Therapeutics, Inc.new
- filed_at: 2025-05-19T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.9
- calibrated_materiality_score: 0.9
- confidence: high
- sec_items: 1.01, 5.03, 2.01, 3.02, 3.03, 5.02, 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1022899/000164117225011387/0001641172-25-011387-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1022899/000164117225011387/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001641172-25-011387
- JSON: https://secwatch.observer/filing/0001641172-25-011387.json
- Plain text: https://secwatch.observer/filing/0001641172-25-011387.txt

## Key facts
- Executive change
  Khalil Barrage resigned as Director at Protagenic Therapeutics, Inc.new.
  - Action: resigned
  - Role: Director
  source text: accepted the resignation of Khalil Barrage, Tim Wright and Robert Stein, from the Board, effective as of immediately prior to the Closing on May 15, 2025
  evidence_url: https://www.sec.gov/Archives/edgar/data/1022899/000164117225011387/0001641172-25-011387-index.htm
- Executive change
  Colin Stott was appointed as Chief Operating Officer at Protagenic Therapeutics, Inc.new.
  - Action: appointed
  - Role: Chief Operating Officer
  source text: Colin Stott as Chief Operating Officer and as a director of the Company
  evidence_url: https://www.sec.gov/Archives/edgar/data/1022899/000164117225011387/0001641172-25-011387-index.htm
- Executive change
  Colin Stott was appointed as Director at Protagenic Therapeutics, Inc.new.
  - Action: appointed
  - Role: Director
  source text: Colin Stott as Chief Operating Officer and as a director of the Company
  evidence_url: https://www.sec.gov/Archives/edgar/data/1022899/000164117225011387/0001641172-25-011387-index.htm
- Executive change
  Jennifer Chao was appointed as Director at Protagenic Therapeutics, Inc.new.
  - Action: appointed
  - Role: Director
  source text: Jennifer Chao as a director of the Company
  evidence_url: https://www.sec.gov/Archives/edgar/data/1022899/000164117225011387/0001641172-25-011387-index.htm
- Executive change
  Barrett Evans was appointed as President and Chief Executive Officer at Protagenic Therapeutics, Inc.new.
  - Action: appointed
  - Role: President and Chief Executive Officer
  source text: appointed Barrett Evans as President and Chief Executive Officer, and a director of the Company
  evidence_url: https://www.sec.gov/Archives/edgar/data/1022899/000164117225011387/0001641172-25-011387-index.htm
- Executive change
  Barrett Evans was appointed as Director at Protagenic Therapeutics, Inc.new.
  - Action: appointed
  - Role: Director
  source text: appointed Barrett Evans as President and Chief Executive Officer, and a director of the Company
  evidence_url: https://www.sec.gov/Archives/edgar/data/1022899/000164117225011387/0001641172-25-011387-index.htm
- Executive change
  Robert Stein resigned as Director at Protagenic Therapeutics, Inc.new.
  - Action: resigned
  - Role: Director
  source text: accepted the resignation of Khalil Barrage, Tim Wright and Robert Stein, from the Board, effective as of immediately prior to the Closing on May 15, 2025
  evidence_url: https://www.sec.gov/Archives/edgar/data/1022899/000164117225011387/0001641172-25-011387-index.htm
- Executive change
  Tim Wright resigned as Director at Protagenic Therapeutics, Inc.new.
  - Action: resigned
  - Role: Director
  source text: accepted the resignation of Khalil Barrage, Tim Wright and Robert Stein, from the Board, effective as of immediately prior to the Closing on May 15, 2025
  evidence_url: https://www.sec.gov/Archives/edgar/data/1022899/000164117225011387/0001641172-25-011387-index.htm
- Executive change
  Andrew Slee changed role as Chief Development Officer at Protagenic Therapeutics, Inc.new.
  - Action: promoted
  - Role: Chief Development Officer
  source text: promoted Andrew Slee from his prior role of Chief Operating Officer to the Company’s Chief Development Officer, effective immediately upon the Closing on May 15, 2025
  evidence_url: https://www.sec.gov/Archives/edgar/data/1022899/000164117225011387/0001641172-25-011387-index.htm
- Governance Changes
  Protagenic Therapeutics, Inc.new: Filed Series C-1 Certificate of Designation creating another new series of preferred stock (effective 2025-05-15).
  - Change: charter amendment
  - Effective: 2025-05-15
  source text: On May 15, 2025, the Company filed a Certificate of Designation of Preferences, Rights and Limitations of the Series C-1 Non-Voting Convertible Preferred Stock (the “Series C-1 Certificate of Designation”) with the Secretary of State of the State of Delaware
  evidence_url: https://www.sec.gov/Archives/edgar/data/1022899/000164117225011387/0001641172-25-011387-index.htm
- Governance Changes
  Protagenic Therapeutics, Inc.new: Filed Series C Certificate of Designation creating a new series of preferred stock (effective 2025-05-15).
  - Change: charter amendment
  - Effective: 2025-05-15
  source text: On May 15, 2025, the Company filed a Certificate of Designation of Preferences, Rights and Limitations of the Series C Non-Voting Convertible Preferred Stock (the “Series C Certificate of Designation”) with the Secretary of State of the State of Delaware
  evidence_url: https://www.sec.gov/Archives/edgar/data/1022899/000164117225011387/0001641172-25-011387-index.htm
- M&A Transactions
  Protagenic Therapeutics, Inc.new completed an acquisition involving Alterola Biotech Inc., EMC2 Capital LLC, and the Preferred Stockholders (closed 2025-05-16).
  - Action: acquisition
  - Counterparty: Alterola Biotech Inc., EMC2 Capital LLC, and the Preferred Stockholders
  - Closing: 2025-05-16
  source text: On May 16, 2025, the Company completed its business combination with Alterola, EMC2, and the Preferred Stockholders.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1022899/000164117225011387/0001641172-25-011387-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.
