DORCHESTER MINERALS LP

Ticker: DMLP CUSIP: 25820R105 Class: COM UNIT

Gruss & Co., LLC's Holding History (CIK: 0001103738)

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

Q4 2020
Shares 40,000 Value ($000) $436 Avg Close — Range —
Q3 2020
Shares 40,000 Value ($000) $413 Avg Close — Range —
Q2 2020
Shares 28,000 Value ($000) $358 Avg Close — Range —
Q1 2020
Shares 20,965 Value ($000) $195 Avg Close — Range —
Q4 2019
Shares 25,965 Value ($000) $507 Avg Close — Range —
Q3 2019
Shares 25,965 Value ($000) $484 Avg Close — Range —
Q2 2019
Shares 25,965 Value ($000) $475 Avg Close — Range —
Q1 2019
Shares 25,965 Value ($000) $474 Avg Close — Range —
Q4 2018
Shares 18,683 Value ($000) $274 Avg Close — Range —
Q3 2018
Shares 10,123 Value ($000) $207 Avg Close — Range —
Q3 2016
Shares 26,567 Value ($000) $409 Avg Close — Range —
Q2 2016
Shares 26,567 Value ($000) $383 Avg Close — Range —
Q1 2016
Shares 26,567 Value ($000) $303 Avg Close — Range —
Q4 2015
Shares 32,217 Value ($000) $319 Avg Close — Range —
Q3 2015
Shares 34,027 Value ($000) $492 Avg Close — Range —
Q2 2015
Shares 134,013 Value ($000) $2,867 Avg Close — Range —
Q1 2015
Shares 105,725 Value ($000) $2,404 Avg Close — Range —
Q4 2014
Shares 119,725 Value ($000) $3,057 Avg Close — Range —
Q3 2014
Shares 113,232 Value ($000) $3,348 Avg Close — Range —
Q2 2014
Shares 10,000 Value ($000) $305 Avg Close — Range —
Q1 2014
Shares 10,000 Value ($000) $262 Avg Close — Range —