DIFFUSION PHARMACEUTICALS IN

CUSIP: 253748305 Class: COM PAR

Cambridge Investment Research Advisors, Inc.'s Holding History (CIK: 0001419186)

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

Q4 2021
Shares 20,800 Value ($000) $6 Avg Close — Range —
Q3 2021
Shares 20,800 Value ($000) $11 Avg Close — Range —
Q2 2021
Shares 20,800 Value ($000) $15 Avg Close — Range —
Q4 2020
Shares 20,800 Value ($000) $17 Avg Close — Range —
Q3 2020
Shares 20,800 Value ($000) $18 Avg Close — Range —
Q2 2020
Shares 14,000 Value ($000) $14 Avg Close — Range —