PTIXOTCPharmaceutical PreparationsFiscal year ends March 31
Protagenic Therapeutics, Inc.\new
Financials through Q1 FY2027, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 19, 2026
$0.75+0.00 (0.00%)
Close on Oct 19, 2026
- Market cap
- $1.36M
- P/E (TTM)
- –
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
3.7%
0M of 2M shares
Institutional holders
2
0 new, 2 sold out
Net institutional buying
-0M
In Q2 2026
Insider trades, 12 months
7 buys · 0 sales
Net bought $30.65K
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Bigger Capital Fund GP, LLC | 50,000 | 5.75% | 13G (passive) | Jul 2, 2025 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of PTIX | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| DRW Securities, LLC | 41,783 | 2.31% | $16.38K | – | 0.00% |
| FNY Investment Advisers, LLC | 25,000 | 1.38% | $9 | – | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 2 | 0M | 3.7% | 0 / 0 | 0 / 2 | 0M | 0M |
| Q1 2026 | 4 | 0M | 3.7% | 1 / 0 | 1 / 9 | 0M | 0M |
| Q4 2025 | 12 | 0M | 6.4% | 4 / 4 | 1 / 3 | 0M | 0M |
| Q3 2025 | 11 | 0M | 5.5% | 4 / 3 | 1 / 4 | 0M | 0M |
| Q2 2025 | 11 | 0M | 3.9% | 11 / 0 | 0 / 0 | 0M | 0M |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Garo H. Armen | EXEC. CHAIR & PRINCIPAL OFF, Director | 323,533 | 17.87% | Aug 24, 2026 |
| Barrett Evans | ex CEO, Director, 10% owner | – | – | Oct 24, 2025 |
| Crest Capital LLC Mammoth | ex CEO, Director, 10% owner | 18,233 | 1.01% | Oct 24, 2025 |
| Capital LLC EMC2 | ex CEO, Director, 10% owner | – | – | Oct 24, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Garo H. Armen EXEC. CHAIR & PRINCIPAL OFF, Director | Aug 21, 2026 | Buy | +20,000 | $0.65 | $13.00K | 73,533 |
| Garo H. Armen EXEC. CHAIR & PRINCIPAL OFF, Director | Aug 20, 2026 | Buy | +16,634 | $0.59 | $9.81K | 53,533 |
| Garo H. Armen EXEC. CHAIR & PRINCIPAL OFF, Director | Aug 19, 2026 | Buy | +2,700 | $0.35 | $945 | 36,899 |
| Garo H. Armen EXEC. CHAIR & PRINCIPAL OFF, Director | Aug 11, 2026 | Buy | +2,220 | $0.32 | $710 | 34,199 |
| Garo H. Armen EXEC. CHAIR & PRINCIPAL OFF, Director | Aug 6, 2026 | Buy | +685 | $0.22 | $151 | 31,979 |
| Garo H. Armen EXEC. CHAIR & PRINCIPAL OFF, Director | Aug 5, 2026 | Buy | +5,000 | $0.26 | $1.30K | 31,294 |
| Garo H. Armen EXEC. CHAIR & PRINCIPAL OFF., Director | Jul 30, 2026 | Buy | +26,291 | $0.18 | $4.73K | 26,291 |
| Alexander K. Arrow Chief Financial Officer | Oct 12, 2023 | Buy | +8,000 | $0.81 | $6.48K | 45,815 |
| Alexander K. Arrow Chief Financial Officer | May 18, 2022 | Buy | +8,000 | $0.72 | $5.76K | 151,260 |
| Alexander K. Arrow Chief Financial Officer | May 17, 2022 | Buy | +23,000 | $0.71 | $16.33K | 143,260 |
| Khalil Barrage Director | May 3, 2021 | Option exercise | +150,000 | $1.25 | $187.50K | 245,000 |
| Khalil Barrage Director | May 3, 2021 | Option exercise | +45,000 | $1.75 | $78.75K | 290,000 |
| Khalil Barrage Director | May 3, 2021 | Option exercise | +120,000 | $1.75 | $210.00K | 410,000 |
| Khalil Barrage Director | May 3, 2021 | Option exercise | +45,000 | $1.25 | $56.25K | 95,000 |
| Alexander K. Arrow Chief Financial Officer | Apr 30, 2021 | Buy | +1,000 | $2.29 | $2.29K | 120,260 |
| Alexander K. Arrow Chief Financial Officer | Apr 29, 2021 | Buy | +1,000 | $2.29 | $2.29K | 119,260 |
| Khalil Barrage Director | Aug 8, 2016 | Award | +150,000 | $1.25 | $187.50K | 245,000 |
| Garo H. Armen See Remarks, Director, 10% owner | Jun 17, 2016 | Buy | +60,211 | $1.25 | $75.26K | 4,299,379 |
| Gregory Ekizian Director | Jun 17, 2016 | Award | +45,000 | $1.25 | $56.25K | 645,000 |
| Khalil Barrage Director | Jun 17, 2016 | Award | +45,000 | $1.25 | $56.25K | 245,000 |
| Garo H. Armen See Remarks, Director, 10% owner | Jun 17, 2016 | Award | +500,000 | $1.25 | $625.00K | 4,239,168 |
| Robert Benjamin Stein Director | Jun 17, 2016 | Award | +40,000 | $1.25 | $50.00K | 240,000 |
| Joshua Silverman Director | Jun 17, 2016 | Award | +45,000 | $1.25 | $56.25K | 45,000 |
| Alexander K. Arrow Chief Financial Officer | Jun 17, 2016 | Award | +140,000 | $1.25 | $175.00K | 358,260 |
| Raymond Musci Exec VP, Corporate Development, Director | Dec 13, 2010 | Buy | +900 | $1.98 | $1.78K | 119,920 |
| Raymond Musci Exec VP, Corporate Development, Director | Dec 13, 2010 | Buy | +1,334 | $1.99 | $2.65K | 121,254 |
| Raymond Musci Exec VP, Corporate Development, Director | Dec 13, 2010 | Buy | +569 | $2.07 | $1.18K | 121,897 |
| Raymond Musci Exec VP, Corporate Development, Director | Dec 13, 2010 | Buy | +300 | $2.08 | $624 | 122,197 |
| Raymond Musci Exec VP, Corporate Development, Director | Dec 13, 2010 | Buy | +1,758 | $2.09 | $3.67K | 123,955 |
| Raymond Musci Exec VP, Corporate Development, Director | Dec 13, 2010 | Buy | +74 | $2.00 | $148 | 121,328 |
| Raymond Musci Exec VP, Corporate Development, Director | Dec 13, 2010 | Buy | +266 | $1.97 | $524 | 119,020 |
| Raymond Musci Exec VP, Corporate Development, Director | Dec 13, 2010 | Buy | +74 | $2.00 | $148 | 448,194 |
| Raymond Musci Exec VP, Corporate Development, Director | Dec 13, 2010 | Buy | +1,334 | $1.99 | $2.65K | 448,120 |
| Raymond Musci Exec VP, Corporate Development, Director | Dec 13, 2010 | Buy | +900 | $1.98 | $1.78K | 446,786 |
| Raymond Musci Exec VP, Corporate Development, Director | Dec 13, 2010 | Buy | +266 | $1.97 | $524 | 445,886 |
| Raymond Musci Exec VP, Corporate Development, Director | Dec 13, 2010 | Buy | +1,758 | $2.09 | $3.67K | 450,821 |
| Raymond Musci Exec VP, Corporate Development, Director | Dec 13, 2010 | Buy | +300 | $2.08 | $624 | 449,063 |
| Raymond Musci Exec VP, Corporate Development, Director | Dec 13, 2010 | Buy | +569 | $2.07 | $1.18K | 448,763 |
| Raymond Musci Exec VP, Corporate Development, Director | Dec 10, 2010 | Buy | +600 | $1.63 | $978 | 110,055 |
| Raymond Musci Exec VP, Corporate Development, Director | Dec 10, 2010 | Buy | +300 | $1.60 | $480 | 109,455 |
| Raymond Musci Exec VP, Corporate Development, Director | Dec 10, 2010 | Buy | +200 | $1.59 | $318 | 109,155 |
| Raymond Musci Exec VP, Corporate Development, Director | Dec 10, 2010 | Buy | +5,000 | $1.90 | $9.50K | 118,754 |
| Raymond Musci Exec VP, Corporate Development, Director | Dec 10, 2010 | Buy | +100 | $1.64 | $164 | 110,155 |
| Raymond Musci Exec VP, Corporate Development, Director | Dec 10, 2010 | Buy | +100 | $1.70 | $170 | 110,255 |
| Raymond Musci Exec VP, Corporate Development, Director | Dec 10, 2010 | Buy | +3,499 | $1.79 | $6.26K | 113,754 |
| Raymond Musci Exec VP, Corporate Development, Director | Dec 10, 2010 | Buy | +5,000 | $1.90 | $9.50K | 445,620 |
| Raymond Musci Exec VP, Corporate Development, Director | Dec 10, 2010 | Buy | +3,499 | $1.79 | $6.26K | 440,620 |
| Raymond Musci Exec VP, Corporate Development, Director | Dec 10, 2010 | Buy | +100 | $1.70 | $170 | 437,121 |
| Raymond Musci Exec VP, Corporate Development, Director | Dec 10, 2010 | Buy | +100 | $1.64 | $164 | 437,021 |
| Raymond Musci Exec VP, Corporate Development, Director | Dec 10, 2010 | Buy | +600 | $1.63 | $978 | 436,921 |
| Raymond Musci Exec VP, Corporate Development, Director | Dec 10, 2010 | Buy | +300 | $1.60 | $480 | 436,321 |
| Raymond Musci Exec VP, Corporate Development, Director | Dec 10, 2010 | Buy | +200 | $1.59 | $318 | 436,021 |
| Mark Dyne Director, 10% owner | Jun 3, 2010 | Other | −20,000 | – | – | 746,369 |
| Thomas Plotts Interim CFO | Mar 31, 2010 | Tax withholding | −9,718 | $0.82 | $7.97K | 28,619 |
| Thomas Plotts Interim CFO | Mar 31, 2010 | Option exercise | +25,000 | – | – | 38,337 |
| Jerome A. Chazen Director | Jan 20, 2010 | Other | +41,049 | – | – | 53,234 |
| Robert S. Ellin Director, 10% owner | Jan 6, 2010 | Other | −1,323,467 | – | – | 1,792,695 |
| Robert S. Ellin Director, 10% owner | Dec 21, 2009 | Buy | +5,376 | $0.60 | $3.23K | 3,116,262 |
| Robert S. Ellin Director, 10% owner | Dec 14, 2009 | Buy | +527,683 | $0.65 | $342.99K | 3,110,886 |
| Robert S. Ellin Director, 10% owner | Dec 9, 2009 | Buy | +21,947 | $0.67 | $14.70K | 2,583,203 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.