secwatch / observer
8-K filed August 22, 2025, 7:59 PM ET ticker PTIX CIK 0001022899
regulatory confidence high sentiment negative materiality 0.85

Protagenic Therapeutics, Inc.new (PTIX): Nasdaq/NYSE listing notice — Protagenic: Nasdaq non-compliance for late 10-Q; auditor changed; PT00114 Phase I dosing complete

Protagenic Therapeutics, Inc.new

Key facts

Extracted from this filing and checked against the source text.

Auditor Changes SEC 8-K Item 4.01/4.02 confidence 0.99

Protagenic Therapeutics, Inc.new dismissed MaloneBailey, LLP as its auditor.

Action
dismissal
Auditor
MaloneBailey, LLP
Successor
Green Growth CPAs
Exact text from the filing
On August 7, 2025, MaloneBailey, LLP (“MaloneBailey”) was dismissed as the independent registered public accounting firm of the Company.
View on SEC.gov
Listing & Compliance Notices SEC 8-K Item 3.01 confidence 0.9

Protagenic Therapeutics, Inc.new received a nasdaq deficiency notice notice regarding late filing (rules 5250(c)(1)).

Exchange
nasdaq
Notice
deficiency notice
Deficiency
late filing
Rules
5250(c)(1)
Exact text from the filing
August 20, 2025, the Company received a notice (the “Notification Letter”) from the Nasdaq Listing Qualifications department (“Nasdaq”) stating that the Company is not in compliance with Nasdaq Listing Rule 5250(c)(1) due to the delayed filing of the Form 10-Q. The notice does not immediately effect the listing or trading of the Company’s securities, which continue to trade on the Nasdaq Capital Market under the symbol “PTIX.” The Company intends to submit a plan to regain compliance within 60 calendar days of the Notification Letter, and Nasdaq may grant an exception of up to 180 calendar day
View on SEC.gov

19 auditor changes filed in the last 30 days. Browse all auditor changes →

Protagenic Therapeutics, Inc.new filing history →

Source: SEC EDGAR
accession 0001641172-25-025274
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