PTIX PROTAGENIC THERAPEUTICS INC Capital Structure Changes 8-K Filing 2025 - Stock Option Repricing On February 21, 2025, Protagenic Therapeutics Inc. repriced stock options from original prices of $4.00 to $19.92 down to $0.2655 per share after stockholder approval at the Annual Meeting.Get access to all SEC 8-K filings of the PROTAGENIC THERAPEUTICS INC