PTIX

Protagenic Therapeutics, Inc.\new

Pharmaceutical PreparationsOTCNon-accelerated filer<br>Smaller reporting company

Total Trades

2

Buys

2

Sells

0

Largest Trade

$15K–$50K

Insiders

1

Institutional Funds

8

Inst. Value

$100K–$500K

Activist Filings

7

Insider Trades

InsiderTitleTypeValueSharesPriceDate
Arrow Alexander K.CFOBUY$1K–$15K8K$0.81Oct 13, 2023
Arrow Alexander K.CFOBUY$15K–$50K31K$0.71May 18, 2022
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Institutional Ownership

13F filings as of Dec 31, 2025 · 8 funds holding

Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

BIGGER CAPITAL FUND L P

SC 13G/A · Aug 25, 2025

0.0%

0 shares

BIGGER CAPITAL FUND L P

SC 13G · Jul 8, 2025

5.8%

50K shares

Armistice Capital, LLC

SC 13G/A · Feb 14, 2025

3.4%

240K shares

Armistice Capital, LLC

SC 13G/A · Nov 14, 2024

5.1%

240K shares

Armistice Capital, LLC

SC 13G/A · Feb 14, 2024

5.1%

240K shares

Armistice Capital, LLC

SC 13G/A · Feb 14, 2023

5.3%

960K shares

Armistice Capital, LLC

SC 13G · Feb 14, 2022

5.4%

960K shares

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