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PTIX

Protagenic Therapeutics, Inc.

NASDAQ · Healthcare · Biotechnology · US

$0.95
−5.00%
Ask drillr
7
Insider buys (3m)
0
Insider sells (3m)
$30.7K
Net value (3m)
+112.0%
Price return (3m)
Form 4 filings
DateInsiderActivitySharesPrice
Aug 24, 2026ARMEN GARO H · director, officer: EXEC. CHAIR & PRINCIPAL OFFPurchase20,000$0.65
Aug 20, 2026ARMEN GARO H · director, officer: EXEC. CHAIR & PRINCIPAL OFFPurchase16,634$0.59
Aug 20, 2026ARMEN GARO H · director, officer: EXEC. CHAIR & PRINCIPAL OFFPurchase2,700$0.35
Aug 12, 2026ARMEN GARO H · director, officer: EXEC. CHAIR & PRINCIPAL OFFPurchase2,220$0.32
Aug 10, 2026ARMEN GARO H · director, officer: EXEC. CHAIR & PRINCIPAL OFFPurchase685$0.22
Aug 6, 2026ARMEN GARO H · director, officer: EXEC. CHAIR & PRINCIPAL OFFPurchase5,000$0.26
Aug 3, 2026ARMEN GARO H · director, officer: EXEC. CHAIR & PRINCIPAL OFF.Purchase26,291$0.18
Apr 1, 2024WRIGHT TIMOTHY R · directorA-Award21,250$1.74
Mar 29, 2024Corvese Brian · directorA-Award43,750$1.74
Mar 29, 2024Buell Jennifer · directorA-Award75,000$1.74
Mar 29, 2024Barrage Khalil · directorA-Award22,500$1.74
Mar 29, 2024Stein Robert Benjamin · directorA-Award75,000$1.74
Mar 29, 2024Arrow Alexander K. · officer: Chief Financial OfficerA-Award100,000$1.74
Mar 29, 2024ARMEN GARO H · director, 10 percent owner, officer: Executive ChairmanA-Award250,000$1.74
Oct 13, 2023Arrow Alexander K. · officer: Chief Financial OfficerPurchase8,000$0.81
May 18, 2022Arrow Alexander K. · officer: Chief Financial OfficerPurchase8,000$0.72
May 18, 2022Arrow Alexander K. · officer: Chief Financial OfficerPurchase23,000$0.71
Jun 3, 2021Arrow Alexander K. · officer: Chief Financial OfficerPurchase100$4.98
Jun 3, 2021Arrow Alexander K. · officer: Chief Financial OfficerPurchase16,900$4.98
Jun 1, 2021Barrage Khalil · directorA-Award180,000$3.65
Jun 1, 2021Arrow Alexander K. · officer: Chief Financial OfficerPurchase3,000$4.98
May 20, 2021Arrow Alexander K. · officer: Chief Financial OfficerPurchase18,000$4.98
May 20, 2021Arrow Alexander K. · officer: Chief Financial OfficerPurchase12,000$4.98
May 5, 2021Barrage Khalil · directorM-Exempt45,000$1.25
May 5, 2021Barrage Khalil · directorM-Exempt150,000$1.25
May 5, 2021Barrage Khalil · directorM-Exempt120,000$1.75
May 3, 2021Arrow Alexander K. · officer: Chief Financial OfficerPurchase1,000$2.29
Jul 21, 2020Buell Jennifer · directorA-Award145,000$1.75
Jul 21, 2020Arrow Alexander K. · officer: Chief Financial OfficerA-Award124,998$1.75
Feb 26, 2020Barrage Khalil · directorA-Award120,000$1.75
Institutional positioning

13F filings over the trailing two quarters

New 1Increased 0Reduced 1Sold out 5
FilerActionSharesFiled
DRW SECURITIES, LLCReduced41,783May 13, 2026
FNY INVESTMENT ADVISERS, LLCUnchanged25,000Apr 15, 2026
CORECAP ADVISORS, LLCNew Position100Apr 7, 2026
United Financial Planning Group LLCUnchanged17May 8, 2026
United Financial Planning Group LLCSold Out0May 8, 2026
MORGAN STANLEYSold Out0May 27, 2026
FNY Investment Advisers, LLCSold Out0Apr 15, 2026
CoreCap Advisors, LLCSold Out0Apr 7, 2026
DRW Securities, LLCSold Out0May 13, 2026

Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Aug 24, 2026