Protagenic Therapeutics, Inc.\new (PTIX) has 28 open-market insider trades by 11 insiders since 2006. Over the last six months insiders net bought $31K. The most active filer is Garo H. Armen, Chairman.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Premier L.p. Quaker | 10% | — | 3 | $1.6M | 2012-02-22 |
| Premier Ii L.p. Quaker | 10% | — | 2 | $665K | 2013-10-01 |
| Capital Partners I. Lp Quaker | 10% | — | 1 | $660K | 2013-11-19 |
| Mark G. Schoeppner | 10% | — | 2 | $600K | 2009-02-17 |
| John M. Slusser | — | — | 6 | $544K | 2014-02-19 |
| Capital Partners Ii L.p. Quaker | 10% | — | 1 | $324K | 2008-02-28 |
| Capital Partners Ii Lp Quaker | 10% | — | 1 | $224K | 2011-05-09 |
| Capital Management Corp Quaker | 10% | — | 1 | $125K | 2013-06-28 |
| Alexander K. Arrow | CFO | — | 3 | $33K | 2023-10-12 |
| Garo H. Armen | Chairman | — | 7 | $31K | 2026-08-21 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Garo H. Armen | Chairman | Buy | $13K | 2026-08-21 |
| Garo H. Armen | Chairman | Buy | $10K | 2026-08-20 |
| Garo H. Armen | Chairman | Buy | $945 | 2026-08-19 |
| Garo H. Armen | Chairman | Buy | $710 | 2026-08-11 |
| Garo H. Armen | Chairman | Buy | $151 | 2026-08-06 |
| Garo H. Armen | Chairman | Buy | $1K | 2026-08-05 |
Companies that share insiders with PTIX, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| Garo H. Armen | Chairman | Buy | $5K | 2026-07-30 |
| Alexander K. Arrow | CFO | Buy | $6K | 2023-10-12 |
| Alexander K. Arrow | CFO | Buy | $22K | 2022-05-17 |
| Alexander K. Arrow | CFO | Buy | $5K | 2021-04-29 |
| Capital Partners I. Lp Quaker | 10% | Sell | $660K | 2013-11-08 |
| Premier Ii L.p. Quaker | 10% | Sell | $278K | 2013-10-01 |
| Capital Management Corp Quaker | 10% | Sell | $125K | 2013-06-28 |
| Premier L.p. Quaker | 10% | Sell | $200K | 2012-02-22 |
| Capital Partners Ii Lp Quaker | 10% | Sell | $224K | 2011-05-09 |