MORIYAMA LESLIE A

SEC source: 0001437749-26-028537 · rdgdoc.xml · nonDerivative · entry 1

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 103,405

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her Individual Retirement Account.

SEC source: 0001437749-25-038194 · rdgdoc.xml · derivative · entry 3

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,350

Underlying: Common Units · 4,351 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Notional Units granted on December 15, 2023, pursuant to the Dorchester Minerals Management LP Equity Incentive program. Each Notional Unit entitles the holder to receive either (1) the number of common units representing limited partnership interests in Dorchester Minerals, L.P. (the "Common Units") equal to the number of Notional Units that become vested or (2) the cash equivalent at the time of vesting of the number of Common Units equal to the number of Notional Units that become vested. One-third of the Notional Units vest on each anniversary of the date of the award agreement over a three year period beginning on December 15, 2024. Vested Notional Units are settled within 60 days after the date on which they vest.

F3 · derivative.exercise_date: Notional Units granted on December 15, 2023, pursuant to the Dorchester Minerals Management LP Equity Incentive program. Each Notional Unit entitles the holder to receive either (1) the number of common units representing limited partnership interests in Dorchester Minerals, L.P. (the "Common Units") equal to the number of Notional Units that become vested or (2) the cash equivalent at the time of vesting of the number of Common Units equal to the number of Notional Units that become vested. One-third of the Notional Units vest on each anniversary of the date of the award agreement over a three year period beginning on December 15, 2024. Vested Notional Units are settled within 60 days after the date on which they vest.

F3 · derivative.expiration_date: Notional Units granted on December 15, 2023, pursuant to the Dorchester Minerals Management LP Equity Incentive program. Each Notional Unit entitles the holder to receive either (1) the number of common units representing limited partnership interests in Dorchester Minerals, L.P. (the "Common Units") equal to the number of Notional Units that become vested or (2) the cash equivalent at the time of vesting of the number of Common Units equal to the number of Notional Units that become vested. One-third of the Notional Units vest on each anniversary of the date of the award agreement over a three year period beginning on December 15, 2024. Vested Notional Units are settled within 60 days after the date on which they vest.

SEC source: 0001437749-25-038194 · rdgdoc.xml · nonDerivative · entry 2

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 98,208

F2 · kind: Represents payment of tax liability incident to the grant of common units awarded to the reporting person on December 15, 2025 pursuant to an equity incentive plan, by withholding common units from such grant.

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her Individual Retirement Account.

SEC source: 0001437749-25-038194 · rdgdoc.xml · nonDerivative · entry 1

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 99,964

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her Individual Retirement Account.

SEC source: 0001437749-25-037042 · rdgdoc.xml · derivative · entry 3

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,033

Underlying: Common Units · 4,017 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Notional Units granted on December 3, 2024, pursuant to the Dorchester Minerals Management LP Equity Incentive program. Each Notional Unit entitles the holder to receive either (1) the number of common units representing limited partnership interests in Dorchester Minerals, L.P. (the "Common Units") equal to the number of Notional Units that become vested or (2) the cash equivalent at the time of vesting of the number of Common Units equal to the number of Notional Units that become vested. One-third of the Notional Units vest on each anniversary of the date of the award agreement over a three year period beginning on December 3, 2025. Vested Notional Units are settled within 60 days after the date on which they vest.

F3 · derivative.exercise_date: Notional Units granted on December 3, 2024, pursuant to the Dorchester Minerals Management LP Equity Incentive program. Each Notional Unit entitles the holder to receive either (1) the number of common units representing limited partnership interests in Dorchester Minerals, L.P. (the "Common Units") equal to the number of Notional Units that become vested or (2) the cash equivalent at the time of vesting of the number of Common Units equal to the number of Notional Units that become vested. One-third of the Notional Units vest on each anniversary of the date of the award agreement over a three year period beginning on December 3, 2025. Vested Notional Units are settled within 60 days after the date on which they vest.

F3 · derivative.expiration_date: Notional Units granted on December 3, 2024, pursuant to the Dorchester Minerals Management LP Equity Incentive program. Each Notional Unit entitles the holder to receive either (1) the number of common units representing limited partnership interests in Dorchester Minerals, L.P. (the "Common Units") equal to the number of Notional Units that become vested or (2) the cash equivalent at the time of vesting of the number of Common Units equal to the number of Notional Units that become vested. One-third of the Notional Units vest on each anniversary of the date of the award agreement over a three year period beginning on December 3, 2025. Vested Notional Units are settled within 60 days after the date on which they vest.

SEC source: 0001437749-25-037042 · rdgdoc.xml · nonDerivative · entry 2

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,613

F2 · kind: Represents payment of tax liability incident to the grant of common units awarded to the reporting person on December 3, 2025 pursuant to an equity incentive plan, by withholding common units from such grant.

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her Individual Retirement Account.

SEC source: 0001437749-25-037042 · rdgdoc.xml · nonDerivative · entry 1

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 97,234

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her Individual Retirement Account.

SEC source: 0001437749-25-036815 · rdgdoc.xml · derivative · entry 3

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,000

Underlying: Common Units · 16,000 shares

Expires not disclosed

F3 · derivative.exercise_price: Notional Units granted on December 1, 2025, pursuant to the Dorchester Minerals Management LP Equity Incentive program. Each Notional Unit entitles the holder to receive either (1) the number of common units representing limited partnership interests in Dorchester Minerals, L.P. (the "Common Units") equal to the number of Notional Units that become vested or (2) the cash equivalent at the time of vesting of the number of Common Units equal to the number of Notional Units that become vested. One-third of the Notional Units vest on each anniversary of the date of the award agreement over a three year period beginning on December 1, 2026. Vested Notional Units are settled within 60 days after the date on which they vest.

F3 · derivative.exercise_date: Notional Units granted on December 1, 2025, pursuant to the Dorchester Minerals Management LP Equity Incentive program. Each Notional Unit entitles the holder to receive either (1) the number of common units representing limited partnership interests in Dorchester Minerals, L.P. (the "Common Units") equal to the number of Notional Units that become vested or (2) the cash equivalent at the time of vesting of the number of Common Units equal to the number of Notional Units that become vested. One-third of the Notional Units vest on each anniversary of the date of the award agreement over a three year period beginning on December 1, 2026. Vested Notional Units are settled within 60 days after the date on which they vest.

F3 · derivative.expiration_date: Notional Units granted on December 1, 2025, pursuant to the Dorchester Minerals Management LP Equity Incentive program. Each Notional Unit entitles the holder to receive either (1) the number of common units representing limited partnership interests in Dorchester Minerals, L.P. (the "Common Units") equal to the number of Notional Units that become vested or (2) the cash equivalent at the time of vesting of the number of Common Units equal to the number of Notional Units that become vested. One-third of the Notional Units vest on each anniversary of the date of the award agreement over a three year period beginning on December 1, 2026. Vested Notional Units are settled within 60 days after the date on which they vest.

SEC source: 0001437749-25-036815 · rdgdoc.xml · nonDerivative · entry 2

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 93,217

F2 · kind: Represents payment of tax liability incident to the grant of common units awarded to the reporting person on December 1, 2025 pursuant to an equity incentive plan, by withholding common units from such grant.

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her individual retirement account.

SEC source: 0001437749-25-036815 · rdgdoc.xml · nonDerivative · entry 1

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 99,673

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her individual retirement account.

SEC source: 0001437749-25-036479 · rdgdoc.xml · nonDerivative · entry 1

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 83,673

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her Individual Retirement Account.

SEC source: 0001437749-24-037771 · rdgdoc.xml · derivative · entry 3

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,701

Underlying: Common Units · 4,351 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Notional Units granted on December 15, 2023, pursuant to the Dorchester Minerals Management LP Equity Incentive program. Each Notional Unit entitles the holder to receive either (1) the number of common units representing limited partnership interests in Dorchester Minerals, L.P. (the "Common Units") equal to the number of Notional Units that become vested or (2) the cash equivalent at the time of vesting of the number of Common Units equal to the number of Notional Units that become vested. One-third of the Notional Units vest on each anniversary of the date of the award agreement over a three year period beginning on December 15, 2024. Vested Notional Units are settled within 60 days after the date on which they vest.

F3 · derivative.exercise_date: Notional Units granted on December 15, 2023, pursuant to the Dorchester Minerals Management LP Equity Incentive program. Each Notional Unit entitles the holder to receive either (1) the number of common units representing limited partnership interests in Dorchester Minerals, L.P. (the "Common Units") equal to the number of Notional Units that become vested or (2) the cash equivalent at the time of vesting of the number of Common Units equal to the number of Notional Units that become vested. One-third of the Notional Units vest on each anniversary of the date of the award agreement over a three year period beginning on December 15, 2024. Vested Notional Units are settled within 60 days after the date on which they vest.

F3 · derivative.expiration_date: Notional Units granted on December 15, 2023, pursuant to the Dorchester Minerals Management LP Equity Incentive program. Each Notional Unit entitles the holder to receive either (1) the number of common units representing limited partnership interests in Dorchester Minerals, L.P. (the "Common Units") equal to the number of Notional Units that become vested or (2) the cash equivalent at the time of vesting of the number of Common Units equal to the number of Notional Units that become vested. One-third of the Notional Units vest on each anniversary of the date of the award agreement over a three year period beginning on December 15, 2024. Vested Notional Units are settled within 60 days after the date on which they vest.

SEC source: 0001437749-24-037771 · rdgdoc.xml · nonDerivative · entry 2

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,632

F2 · kind: Represents payment of tax liability incident to the grant of common units awarded to the reporting person on December 13, 2024 pursuant to an equity incentive plan, by withholding common units from such grant.

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her Individual Retirement Account.

SEC source: 0001437749-24-037771 · rdgdoc.xml · nonDerivative · entry 1

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 82,258

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her Individual Retirement Account.

SEC source: 0001437749-24-036814 · rdgdoc.xml · nonDerivative · entry 2

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,907

F2 · kind: Represents payment of tax liability incident to the grant of common units awarded to the reporting person on December 3, 2024 pursuant to an equity incentive plan, by withholding common units from such grant.

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her Individual Retirement Account.

SEC source: 0001437749-24-036814 · rdgdoc.xml · nonDerivative · entry 1

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 83,450

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her Individual Retirement Account.

SEC source: 0001437749-24-037774 · rdgdoc.xml · derivative · entry 2

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,050

Underlying: Common Units · 12,050 shares

Expires not disclosed

F3 · derivative.exercise_price: Notional Units granted on December 3, 2024 pursuant to the Dorchester Minerals Management LP Equity Incentive Program. Each Notional Unit entitles the holder to receive either (1) the number of common units representing limited partnership interests in Dorchester Minerals, L.P. (the "Common Units") equal to the number of Notional Units that become vested or (2) the cash equivalent at the time of vesting of the number of Common Units equal to the number of Notional Units that become vested. One-third of the Notional Units vest on each anniversary of the date of the award agreement over a three year period beginning on December 3, 2025. Vested Notional Units are settled within 60 days after the date on which they vest.

F3 · derivative.exercise_date: Notional Units granted on December 3, 2024 pursuant to the Dorchester Minerals Management LP Equity Incentive Program. Each Notional Unit entitles the holder to receive either (1) the number of common units representing limited partnership interests in Dorchester Minerals, L.P. (the "Common Units") equal to the number of Notional Units that become vested or (2) the cash equivalent at the time of vesting of the number of Common Units equal to the number of Notional Units that become vested. One-third of the Notional Units vest on each anniversary of the date of the award agreement over a three year period beginning on December 3, 2025. Vested Notional Units are settled within 60 days after the date on which they vest.

F3 · derivative.expiration_date: Notional Units granted on December 3, 2024 pursuant to the Dorchester Minerals Management LP Equity Incentive Program. Each Notional Unit entitles the holder to receive either (1) the number of common units representing limited partnership interests in Dorchester Minerals, L.P. (the "Common Units") equal to the number of Notional Units that become vested or (2) the cash equivalent at the time of vesting of the number of Common Units equal to the number of Notional Units that become vested. One-third of the Notional Units vest on each anniversary of the date of the award agreement over a three year period beginning on December 3, 2025. Vested Notional Units are settled within 60 days after the date on which they vest.

SEC source: 0001437749-24-037774 · rdgdoc.xml · nonDerivative · entry 1

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 83,450

F2 · kind: The transaction code for this acquisition was originally filed as Transaction Code "P" and is being corrected to Transaction Code "A".

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her Individual Retirement Account.

SEC source: 0001437749-24-035511 · rdgdoc.xml · nonDerivative · entry 1

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,400

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her Individual Retirement Account.

SEC source: 0001437749-24-017712 · rdgdoc.xml · nonDerivative · entry 2

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,182

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her Individual Retirement Account.

SEC source: 0001437749-24-017712 · rdgdoc.xml · nonDerivative · entry 1

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,182

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her Individual Retirement Account.

SEC source: 0001437749-23-034791 · rdgdoc.xml · nonDerivative · entry 2

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,752

F2 · kind: Represents payment of tax liability incident to the grant of common units awarded to the reporting person on December 15, 2023 pursuant to an equity incentive plan, by withholding common units from such grant.

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her individual retirement account.

SEC source: 0001437749-23-034791 · rdgdoc.xml · nonDerivative · entry 1

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,168

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her individual retirement account.

SEC source: 0001437749-24-005110 · rdgdoc.xml · derivative · entry 1

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,052

Underlying: Common Units · 13,052 shares

Expires not disclosed

F1 · derivative.exercise_price: Notional Units granted on December 15, 2023, pursuant to the Dorchester Minerals Management LP Equity Incentive Program. Each Notional Unit entitles the holder to receive either (i) the number of common units representing limited partnership interests in Dorchester Minerals, L.P. (the "Common Units") equal to the number of Notional Units that become vested or (ii) the cash equivalent at the time of vesting of the number of Common Units equal to the number of Notional Units that become vested. One-third of the Notional Units vest on each anniversary of the date of the award agreement over a three-year period beginning on December 15, 2024. Vested Notional Units are settled within 60 days after the date on which they vest.

F1 · derivative.exercise_date: Notional Units granted on December 15, 2023, pursuant to the Dorchester Minerals Management LP Equity Incentive Program. Each Notional Unit entitles the holder to receive either (i) the number of common units representing limited partnership interests in Dorchester Minerals, L.P. (the "Common Units") equal to the number of Notional Units that become vested or (ii) the cash equivalent at the time of vesting of the number of Common Units equal to the number of Notional Units that become vested. One-third of the Notional Units vest on each anniversary of the date of the award agreement over a three-year period beginning on December 15, 2024. Vested Notional Units are settled within 60 days after the date on which they vest.

F1 · derivative.expiration_date: Notional Units granted on December 15, 2023, pursuant to the Dorchester Minerals Management LP Equity Incentive Program. Each Notional Unit entitles the holder to receive either (i) the number of common units representing limited partnership interests in Dorchester Minerals, L.P. (the "Common Units") equal to the number of Notional Units that become vested or (ii) the cash equivalent at the time of vesting of the number of Common Units equal to the number of Notional Units that become vested. One-third of the Notional Units vest on each anniversary of the date of the award agreement over a three-year period beginning on December 15, 2024. Vested Notional Units are settled within 60 days after the date on which they vest.

SEC source: 0001437749-23-031665 · rdgdoc.xml · nonDerivative · entry 1

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,116

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her individual retirement account.

SEC source: 0001437749-22-029396 · rdgdoc.xml · nonDerivative · entry 2

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,103

F2 · kind: Represents payment of tax liability incident to the grant of common units awarded to the reporting person on December 15, 2022 pursuant to an equity incentive plan, by withholding common units from such grant.

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her individual retirement account.

SEC source: 0001437749-22-029396 · rdgdoc.xml · nonDerivative · entry 1

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,127

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her individual retirement account.

SEC source: 0001437749-22-027608 · rdgdoc.xml · nonDerivative · entry 1

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,689

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her Individual Retirement Account.

SEC source: 0001437749-22-015045 · rdgdoc.xml · nonDerivative · entry 1

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,957

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her Individual Retirement Account.

SEC source: 0001437749-22-005815 · rdgdoc.xml · nonDerivative · entry 2

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,808

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her Individual Retirement Account.

SEC source: 0001437749-22-005815 · rdgdoc.xml · nonDerivative · entry 1

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,257

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her Individual Retirement Account.

SEC source: 0001437749-21-028014 · rdgdoc.xml · nonDerivative · entry 2

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,312

F2 · kind: Represents payment of tax liability incident to the grant of common units awarded to the reporting person on December 3, 2021 pursuant to the Dorchester Minerals Operating LP Equity Incentive Plan, by withholding common units from such grant.

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her Individual Retirement Account.

SEC source: 0001437749-21-028014 · rdgdoc.xml · nonDerivative · entry 1

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,810

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her Individual Retirement Account.

SEC source: 0001437749-21-020631 · rdgdoc.xml · nonDerivative · entry 1

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,310

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her Individual Retirement Account.

SEC source: 0001437749-21-006429 · rdgdoc.xml · nonDerivative · entry 2

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,177

F2 · kind: Represents payment of tax liability incident to the grant of common units awarded to the reporting person on March 16, 2021 pursuant to the Dorchester Minerals Operating LP Equity Incentive Plan, by withholding common units from such grant.

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her Individual Retirement Account.

SEC source: 0001437749-21-006429 · rdgdoc.xml · nonDerivative · entry 1

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,956

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her Individual Retirement Account.

SEC source: 0001437749-20-026169 · rdgdoc.xml · nonDerivative · entry 1

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,956

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her Individual Retirement Account.

SEC source: 0001437749-20-004659 · rdgdoc.xml · nonDerivative · entry 1

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,276

SEC source: 0001437749-19-023833 · rdgdoc.xml · nonDerivative · entry 2

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,716

F1 · kind: Represents payment of tax liability incident to the grant of common units awarded to the reporting person on December 2, 2019 pursuant to the Dorchester Minerals Operating LP Equity Incentive Plan, by withholding common units from such grant.

SEC source: 0001437749-19-023833 · rdgdoc.xml · nonDerivative · entry 1

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,797

SEC source: 0001437749-18-021637 · rdgdoc.xml · nonDerivative · entry 2

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,297

F1 · kind: Represents payment of tax liability incident to the grant of common units awarded to the reporting person on December 4, 2018 pursuant to the Dorchester Minerals Operating LP Equity Incentive Plan, by withholding common units from such grant.

SEC source: 0001437749-18-021637 · rdgdoc.xml · nonDerivative · entry 1

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,132

SEC source: 0001437749-18-004986 · rdgdoc.xml · nonDerivative · entry 1

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,632

F1 · ownership.direct: These common units are held by Ms. Moriyama in her individual name, jointly with her spouse or in her Individual Retirement Account.

SEC source: 0001437749-17-019885 · rdgdoc.xml · nonDerivative · entry 2

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,592

F1 · kind: Represents payment of tax liability incident to the grant of common units awarded to the reporting person on November 27, 2017 pursuant to the Dorchester Minerals Operating LP Equity Incentive Plan, by withholding common units from such grant.

SEC source: 0001437749-17-019885 · rdgdoc.xml · nonDerivative · entry 1

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,254

SEC source: 0001437749-17-015171 · rdgdoc.xml · nonDerivative · entry 1

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,754

SEC source: 0001437749-17-012298 · rdgdoc.xml · nonDerivative · entry 1

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,494

F1 · kind: The reporting person acquired the reported securities from the issuer on June 30, 2017 pursuant to a Contribution and Exchange Agreement dated June 30, 2017 by and between the issuer and the reporting person.

SEC source: 0001437749-16-043566 · rdgdoc.xml · nonDerivative · entry 2

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,077

SEC source: 0001437749-16-043566 · rdgdoc.xml · nonDerivative · entry 1

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,607

SEC source: 0001437749-16-042904 · rdgdoc.xml · nonDerivative · entry 2

MORIYAMA LESLIE A · CIK 0001642865 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,507

F1 · kind: Represents payment of tax liability incident to the grant of common units awarded to the reporting person on December 1, 2016 pursuant to the Dorchester Minerals Operating LP Equity Incentive Plan, by withholding common units from such grant.