---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-21-016077"
form_type: "8-K"
ticker: "PTIX"
cik: "0001022899"
company_name: "Protagenic Therapeutics, Inc.new"
filed_at: "2021-07-02T23:59:59+00:00"
generated_at: "2026-06-30T07:25:42.063595+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Protagenic Therapeutics enters ATM equity offering agreement for up to $10M

## Summary
- Entered into ATM Sales Agreement with B. Riley Securities and EF Hutton to sell up to $10M of common stock.
- Commission of 3.0% of gross sales price; agents use commercially reasonable efforts to sell shares.
- Offering made under S-3 shelf registration (No. 333-256790) effective June 23, 2021.
- Company not obligated to sell shares; agreement can be terminated by either party upon notice.

## SEC filing metadata
- accession: 0001493152-21-016077
- form_type: 8-K
- ticker: PTIX
- cik: 0001022899
- company_name: Protagenic Therapeutics, Inc.new
- filed_at: 2021-07-02T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1022899/000149315221016077/0001493152-21-016077-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1022899/000149315221016077/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-21-016077
- JSON: https://secwatch.observer/filing/0001493152-21-016077.json
- Plain text: https://secwatch.observer/filing/0001493152-21-016077.txt

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