PTIX — Stock activity · TradeandTell
PTIX PTIX $0.36 +$0.04 (+12.50%) prev close
Held by
0
portfolios on TandT
Avg position size
—
of holders' portfolios
52-week range
$0.13 – $6.20
4% from low
Price Valuation Financials Segments
Held by traders on TradeandTell No one on the platform currently holds PTIX.
Super investors & insiders Institutions holding (13F)
No tracked institution reports a position in PTIX as of their last filing.
Insider activity (SEC Form 4)
Stock splits Execution date Ratio 2025-05-05 1-for-14reverse 2023-03-23 1-for-4reverse 2010-12-03 1-for-4reverse
Recent trades on TradeandTell No one on the platform has traded PTIX yet.
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Insider activity (SEC Form 4)
Form 4 filed Aug 12, 2026 ↗ Form 4 filed Aug 10, 2026 ↗ Form 4 filed Aug 6, 2026 ↗ Form 4 filed Aug 3, 2026 ↗ Form 4 filed Apr 1, 2024 ↗ Form 4 filed Mar 29, 2024 ↗ Form 4 filed Mar 29, 2024 ↗ Form 4 filed Mar 29, 2024 ↗ Form 4 filed Mar 29, 2024 ↗ Form 4 filed Mar 29, 2024 ↗ Click to see transaction details on SEC.gov. Form 4s cover trades by officers, directors, and 10%+ owners, due within 2 business days of the trade.
Earnings surprises Beat consensus in 2 of the last 2 reported quarters
Reported Est. EPS Actual Surprise 2026-03-09 $-4.48 $-0.47 +89.5% 2025-11-26 $-4.48 $-0.47 +89.5%
Peer comparison Symbol Price Today Mkt cap P/E PTIX Protagenic Therapeutics, Inc. $0.36 +0.00% $651675 — ARTL Artelo Biosciences, Inc. $0.76 +3.93% $3M — CARM Carisma Therapeutics, Inc. $0.00 -12.00% $92059 — GTBP GT Biopharma, Inc. $0.30 -1.56% $9M — INDP Indaptus Therapeutics, Inc. $1.06 +3.92% $120M — LIPO Lipella Pharmaceuticals Inc. $0.00 +0.00% $924 — PBM Psyence Biomedical Ltd. $3.56 +6.27% $67708 —
Source: Financial Modeling Prep · peers by sector/industry
