DORCHESTER MINERALS LP

Ticker: DMLP CUSIP: 25820R105 Class: COM UNIT

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q4 2025
Shares 1,686 Value ($000) $38 Avg Close — Range —
Q3 2024
Shares 3,419 Value ($000) $0 Avg Close — Range —
Q2 2024
Shares 4,795 Value ($000) $0 Avg Close — Range —
Q4 2021
Shares 135 Value ($000) $2 Avg Close — Range —
Q3 2020
Shares 1,446 Value ($000) $14 Avg Close — Range —
Q2 2020
Shares 4,530 Value ($000) $57 Avg Close — Range —
Q1 2020
Shares 7,300 Value ($000) $67 Avg Close — Range —
Q4 2019
Shares 468 Value ($000) $9 Avg Close — Range —
Q1 2019
Shares 1,943 Value ($000) $35 Avg Close — Range —
Q3 2018
Shares 279 Value ($000) $5 Avg Close — Range —
Q2 2018
Shares 4,818 Value ($000) $99 Avg Close — Range —
Q2 2017
Shares 2,356 Value ($000) $34 Avg Close — Range —
Q1 2017
Shares 649 Value ($000) $11 Avg Close — Range —
Q4 2016
Shares 213 Value ($000) $3 Avg Close — Range —
Q3 2016
Shares 3,956 Value ($000) $60 Avg Close — Range —
Q2 2016
Shares 2,550 Value ($000) $36 Avg Close — Range —
Q1 2016
Shares 635 Value ($000) $7 Avg Close — Range —