Leslie A. Moriyama

CIK: 0001642865

Transaction Breakdown

Open Market Buys (P)4 (28.6%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)3 (21.4%)

Derivative conversions

Awards (A)2 (14.3%)

Compensation grants

Other (G, F, J, C, D, …)5 (35.7%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

DMLP

DORCHESTER MINERALS, L.P.

Officer

Discretionary Trading P&L

Holdings

Transaction History (14 total)

DMLP
DORCHESTER MINERALS, L.P.
Aug 19, 2026
Purchase(P)
Direct
5.2K shares at avg. $28.30$147K
DMLP
DORCHESTER MINERALS, L.P.
Dec 15, 2025
Tax Payment(F)
Direct
1.8K shares-
DMLP
DORCHESTER MINERALS, L.P.
Dec 15, 2025
Exercise(M)
Direct
4.4K shares-
DMLP
DORCHESTER MINERALS, L.P.
Dec 3, 2025
Exercise(M)
Direct
4K shares-
DMLP
DORCHESTER MINERALS, L.P.
Dec 3, 2025
Tax Payment(F)
Direct
1.6K shares-
DMLP
DORCHESTER MINERALS, L.P.
Dec 1, 2025
Award(A)
Direct
16K shares at avg. $21.63$346K
DMLP
DORCHESTER MINERALS, L.P.
Dec 1, 2025
Tax Payment(F)
Direct
6.5K shares at avg. $21.63$140K
DMLP
DORCHESTER MINERALS, L.P.
Nov 25, 2025
Purchase(P)
Direct
3K shares at avg. $21.50$65K
DMLP
DORCHESTER MINERALS, L.P.
Dec 13, 2024
Tax Payment(F)
Direct
1.6K shares-
DMLP
DORCHESTER MINERALS, L.P.
Dec 13, 2024
Exercise(M)
Direct
4.4K shares-
DMLP
DORCHESTER MINERALS, L.P.
Dec 3, 2024
Award(A)
Direct
12.1K shares-
DMLP
DORCHESTER MINERALS, L.P.
Dec 3, 2024
Tax Payment(F)
Direct
5.5K shares at avg. $34.41$191K
DMLP
DORCHESTER MINERALS, L.P.
Dec 3, 2024
Purchase(P)
Direct
12.1K shares at avg. $34.41$415K
DMLP
DORCHESTER MINERALS, L.P.
Nov 14, 2024
Purchase(P)
Direct
3.2K shares at avg. $32.60$105K

		Type	Shares	Price		Ownership
Aug 19, 2026	DMLP DORCHESTER MINERALS, L.P.	Purchase(P)	5,197	$28.30	$147,075	Direct
Dec 15, 2025	DMLP DORCHESTER MINERALS, L.P.	Tax Payment(F)	1,756	-	-	Direct
Dec 15, 2025	DMLP DORCHESTER MINERALS, L.P.	Exercise(M)	4,351	-	-	Direct
Dec 3, 2025	DMLP DORCHESTER MINERALS, L.P.	Exercise(M)	4,017	-	-	Direct
Dec 3, 2025	DMLP DORCHESTER MINERALS, L.P.	Tax Payment(F)	1,621	-	-	Direct
Dec 1, 2025	DMLP DORCHESTER MINERALS, L.P.	Award(A)	16,000	$21.63	$346,080	Direct
Dec 1, 2025	DMLP DORCHESTER MINERALS, L.P.	Tax Payment(F)	6,456	$21.63	$139,643	Direct
Nov 25, 2025	DMLP DORCHESTER MINERALS, L.P.	Purchase(P)	3,041	$21.50	$65,382	Direct
Dec 13, 2024	DMLP DORCHESTER MINERALS, L.P.	Tax Payment(F)	1,626	-	$0	Direct
Dec 13, 2024	DMLP DORCHESTER MINERALS, L.P.	Exercise(M)	4,351	-	$0	Direct
Dec 3, 2024	DMLP DORCHESTER MINERALS, L.P.	Award(A)	12,050	-	$0	Direct
Dec 3, 2024	DMLP DORCHESTER MINERALS, L.P.	Tax Payment(F)	5,543	$34.41	$190,735	Direct
Dec 3, 2024	DMLP DORCHESTER MINERALS, L.P.	Purchase(P)	12,050	$34.41	$414,640	Direct
Nov 14, 2024	DMLP DORCHESTER MINERALS, L.P.	Purchase(P)	3,218	$32.60	$104,907	Direct

1-14 of 14 transactions

About MORIYAMA LESLIE A

MORIYAMA LESLIE A (SEC CIK 0001642865) files insider reports with the SEC as Chief Financial Officer of DORCHESTER MINERALS, L.P. (DMLP).

Signal8 holds 9 ownership filings by MORIYAMA LESLIE A, all Form 4s, filed between Nov 15, 2024 and Aug 19, 2026. Those filings report 14 transactions, from Nov 14, 2024 to Aug 19, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on MORIYAMA LESLIE A's filings is in DALLAS, TX.

Recent filings by MORIYAMA LESLIE A

Aug 19, 2026: Open-market purchase of DMLP shares (Form 4, code P).
Dec 15, 2025: Tax withholding of DMLP shares (Form 4, code F).
Dec 15, 2025: Option exercise of DMLP shares (Form 4, code M).
Dec 3, 2025: Option exercise of DMLP shares (Form 4, code M).
Dec 3, 2025: Tax withholding of DMLP shares (Form 4, code F).

Other insiders filing for DORCHESTER MINERALS, L.P. (DMLP)

DORCHESTER MINERALS OPERATING LP, Officer
EHRMAN BRADLEY J, Chief Executive Officer
Sturrock Troy, Director
Nance Albert G III, Director
Box Frank Damon, Director
VAUGHN ROBERT C, Director

How to read Form 4 transaction codes