DIFFUSION PHARMACEUTICALS IN

CUSIP: 253748206 Class: COM NEW

RENAISSANCE TECHNOLOGIES LLC's Holding History (CIK: 0001037389)

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

Q3 2018
Shares 321,269 Value ($000) $139 Avg Close — Range —
Q2 2018
Shares 210,749 Value ($000) $96 Avg Close — Range —
Q1 2018
Shares 144,600 Value ($000) $79 Avg Close — Range —
Q4 2017
Shares 14,700 Value ($000) $17 Avg Close — Range —