Protagenic Therapeutics, Inc.
Protagenic Therapeutics, Inc. (PTIX) Stock Splits
Forward and reverse split history, cumulative multiple, latest ratio, and share calculator on this tab.
FMP · PTIX · as of Jun 5, 2026
Key split metrics
Latest Split Event
Reverse SplitStock Split History
| Date↓ | Ratio | Type | Multiple↕ | Cumulative↕ |
|---|---|---|---|---|
| May 5, 2025 | 1-for-14 | Reverse | ×0.071 | ×0.00e+0 |
| Mar 23, 2023 | 1-for-4 | Reverse | ×0.250 | ×0.00e+0 |
| Jan 11, 2017 | 1-for-15464 | Reverse | ×0.000100 | ×0.00e+0 |
| Jul 27, 2016 | 1-for-15464 | Reverse | ×0.000100 | ×0.00e+0 |
| Dec 3, 2010 | 1-for-4 | Reverse | ×0.250 | ×0.000800 |
| May 3, 2007 | 1-for-300 | Reverse | ×0.003 | ×0.003 |
Stock Split Calculator
If you bought 100 shares purchased of PTIX on Jan 1, 2020 — — how many shares would you hold today after all splits?
This calculator shows how stock splits affected share count only. It does not reflect current market value, dividend payments, or transaction costs. Past splits do not guarantee future performance.
About reverse stock split history
Protagenic Therapeutics, Inc. (PTIX) has undergone 6 reverse stock splits. The most recent was a 1-for-14 reverse split on May 5, 2025. Reverse splits consolidate shares to increase the per-share price.
Frequently asked questions
Protagenic Therapeutics, Inc. (PTIX) has undergone 6 reverse stock splits. Reverse splits consolidate shares, reducing share count while increasing the per-share price.