DIFFUSION PHARMACEUTICALS IN

CUSIP: 253748305 Class: COM PAR

PNC Financial Services Group, Inc.'s Holding History (CIK: 0000713676)

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

Q2 2020
Shares 667 Value ($000) $1 Avg Close — Range —
Q1 2020
Shares 667 Value ($000) $0 Avg Close — Range —
Q4 2019
Shares 667 Value ($000) $0 Avg Close — Range —
Q3 2019
Shares 667 Value ($000) $1 Avg Close — Range —
Q2 2019
Shares 667 Value ($000) $2 Avg Close — Range —
Q1 2019
Shares 667 Value ($000) $2 Avg Close — Range —
Q4 2018
Shares 667 Value ($000) $1 Avg Close — Range —