DIFFUSION PHARMACEUTICALS IN

CUSIP: 253748305 Class: COM PAR

VANGUARD GROUP INC's Holding History (CIK: 0000102909)

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

Q1 2022
Shares 3,998,632 Value ($000) $999 Avg Close — Range —
Q4 2021
Shares 4,594,389 Value ($000) $1,402 Avg Close — Range —
Q3 2021
Shares 4,616,280 Value ($000) $2,353 Avg Close — Range —
Q2 2021
Shares 4,606,967 Value ($000) $3,363 Avg Close — Range —
Q1 2021
Shares 4,120,872 Value ($000) $3,781 Avg Close — Range —
Q4 2020
Shares 393,230 Value ($000) $312 Avg Close — Range —
Q3 2020
Shares 352,281 Value ($000) $297 Avg Close — Range —
Q2 2020
Shares 318,009 Value ($000) $310 Avg Close — Range —
Q1 2020
Shares 27,343 Value ($000) $9 Avg Close — Range —
Q4 2019
Shares 27,343 Value ($000) $13 Avg Close — Range —
Q3 2019
Shares 73,133 Value ($000) $135 Avg Close — Range —
Q2 2019
Shares 39,424 Value ($000) $112 Avg Close — Range —
Q1 2019
Shares 49,224 Value ($000) $183 Avg Close — Range —
Q4 2018
Shares 43,884 Value ($000) $87 Avg Close — Range —