DIFFUSION PHARMACEUTICALS IN

CUSIP: 253748305 Class: COM PAR

Private Advisor Group, LLC's Holding History (CIK: 0001567755)

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

Q1 2020
Shares 13,000 Value ($000) $4 Avg Close — Range —
Q4 2019
Shares 11,000 Value ($000) $5 Avg Close — Range —