PROTAGENIC THERAPEUTICS INC

Ticker: PTIX CUSIP: 74365N301 Class: COM

HARBOR INVESTMENT ADVISORY, LLC's Holding History (CIK: 0001468792)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 1 Value ($000) $0 Avg Close $2.26 Range $1.12 - $3.77
Q3 2025
Shares 1 Value ($000) $0 Avg Close $3.39 Range $2.25 - $6.20
Q2 2025
Shares 1 Value ($000) $0 Avg Close $3.84 Range $2.35 - $14.28