Insider trading

Period: 120 months Stock: DMLP + Add filter Clear all
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When

Period

How far back the list reaches. Filings arrive days after the trade, so the newest rows always lag a little.

154 decisions over 120 months
Who

Role

The position the person holds at the company, read from the title on the filing. A chief executive who is also a director counts as the chief executive.

154 decisions over 120 months
The trade

Type of trade

Purchases, sales, or cluster buys: companies where 3 or more insiders bought within 30 days. The number beside each is what that choice would give.

154 decisions over 120 months
The trade

Minimum amount

Hides rows under this value. The amount is the shares traded times the price on the filing.

154 decisions over 120 months
The trade

Plan

  • Discretionary: they chose to sell that week.
  • Scheduled: a 10b5-1 plan fixed the sale months in advance, so the timing says nothing about what they knew.
  • Not stated: filed before the SEC added the box in April 2023, which is most of the older half of this database.
154 decisions over 120 months
The trade

Share of their own holding

How much of what they already held the trade moved. Selling a tenth of a stake is not the same act as selling all of it.

At least
154 decisions over 120 months
Ownership

What the chief executive holds

The value of the chief executive’s stock measured against base salary. The salary comes from the company’s own proxy. Companies with no figure are in neither direction.

154 decisions over 120 months
Stock
Insider
Type ?
Why it stands out
30 May 2023
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought on a plan 8×
$214.02K 7,500 at 28.54
30.0%
Bought on a plan
22 Mar 2023
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 4×
$112.48K 4,000 at 28.12
19.1%
3 Mar 2023
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 2×
$124.27K 4,000 at 31.07
23.6%
+24% of stake
2 Mar 2023
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 5×
$216.38K 7,000 at 30.91
70.2%
+70% of stake
12 Dec 2022
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 10×
$211.32K 7,500 at 28.18
20.6%
+21% of stake
9 Dec 2022
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 6×
$209.37K 7,500 at 27.92
25.9%
+26% of stake
6 Dec 2022
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 10×
$571.75K 20,000 at 28.59
223%
Largest buy in 3 yrs
16 Nov 2022
MORIYAMA LESLIE A Chief Financial Officer
Bought
$49.80K 1,732 at 28.75
4.4%
Largest buy in 3 yrs
10 Nov 2022
EHRMAN BRADLEY J Chief Executive Officer · indirect
Bought
$50.56K 1,760 at 28.73
2.4%
Largest buy in 3 yrs
14 Jun 2022
MORIYAMA LESLIE A Chief Financial Officer
Bought
$34.12K 1,149 at 29.70
3.0%
9 Mar 2022
EHRMAN BRADLEY J Chief Operating Officer · indirect
Bought
$30.15K 1,309 at 23.03
1.8%
Largest buy in 3 yrs
9 Mar 2022
MORIYAMA LESLIE A Chief Financial Officer
Bought
$13.03K 551 at 23.65
1.5%
8 Mar 2022
MORIYAMA LESLIE A Chief Financial Officer
Bought
$47.81K 1,945 at 24.58
5.5%
Largest buy in 3 yrs
20 Dec 2021
EHRMAN BRADLEY J Chief Operating Officer · indirect
Bought
$16.07K 850 at 18.91
1.3%
First buy on file
5 Nov 2021
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought
$7.25K 375 at 19.33
1.0%
4 Nov 2021
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 4×
$114.93K 6,000 at 19.16
19.0%
Largest buy in 3 yrs
2 Nov 2021
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 2×
$77.12K 4,000 at 19.28
14.5%
19 Aug 2021
MORIYAMA LESLIE A Chief Financial Officer
Bought
$33.17K 2,133 at 15.55
7.3%
Largest buy in 3 yrs
13 Aug 2021
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 6×
$56.22K 3,450 at 16.30
14.3%
20 Jul 2021
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 3×
$64.48K 4,000 at 16.12
19.9%
19 Jul 2021
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 4×
$78.45K 5,000 at 15.69
33.1%
Largest buy in 3 yrs
26 Apr 2021
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 5×
$70.98K 4,775 at 14.87
35.6%
Largest buy in 3 yrs
20 Apr 2021
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 3×
$63.88K 4,500 at 14.20
50.4%
+50% of stake
19 Apr 2021
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 4×
$64.04K 4,500 at 14.23
102%
First buy on file
29 Dec 2020
MORIYAMA LESLIE A Chief Financial Officer
Bought
$18.35K 1,680 at 10.92
7.2%
First buy on file
18 Jun 2020
EHRMAN BRADLEY J Chief Operating Officer · indirect
Bought
$44.52K 4,000 at 11.13
6.9%
First buy on file
20 Apr 2020
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 16×
$153.25K 15,000 at 10.22
53.5%
First buy on file
12 Mar 2020
EHRMAN BRADLEY J Chief Operating Officer · indirect
Bought
$22.50K 2,000 at 11.25
3.6%
First buy on file
12 Mar 2020
MCMANEMIN WILLIAM CASEY Chief Executive Officer · indirect
Bought
$13.77K 1,333 at 10.33
0.3%
First buy on file
10 Mar 2020
MCMANEMIN WILLIAM CASEY Chief Executive Officer · indirect
Bought 2×
$71.99K 6,000 at 12.00
1.3%
First buy on file
9 Mar 2020
MCMANEMIN WILLIAM CASEY Chief Executive Officer · indirect
Bought 7×
$217.09K 16,859 at 12.88
3.8%
First buy on file
6 Mar 2020
Rochelle Martha Director · indirect
Sold, plan not stated 2×
$398.33K 29,344 at 13.57
100%
Sold half or more
6 Mar 2020
MCMANEMIN WILLIAM CASEY Chief Executive Officer · indirect
Bought 4×
$167.84K 12,435 at 13.50
2.9%
First buy on file
6 Mar 2020
ALLEN H C JR Director · indirect
Bought 5×
$53.84K 4,000 at 13.46
15.0%
First buy on file
5 Mar 2020
Rochelle Martha Director · indirect
Sold, plan not stated
$70.19K 5,000 at 14.04
14.6%
4 Mar 2020
Rochelle Martha Director · indirect
Sold, plan not stated 3×
$225.83K 15,400 at 14.66
31.6%
4 Mar 2020
VAUGHN ROBERT C Director · indirect
Bought 5×
$188.77K 12,790 at 14.76
2.6%
First buy on file
4 Mar 2020
ALLEN H C JR Director · indirect
Bought 2×
$29.30K 2,000 at 14.65
7.8%
First buy on file
3 Mar 2020
Rochelle Martha Director · indirect
Sold, plan not stated
$217.54K 14,600 at 14.90
23.0%
3 Mar 2020
ALLEN H C JR Director · indirect
Bought 4×
$51.22K 3,450 at 14.85
14.9%
First buy on file
3 Mar 2020
EHRMAN BRADLEY J Chief Operating Officer · indirect
Bought 2×
$33.42K 2,210 at 15.12
4.1%
First buy on file
3 Mar 2020
ALLEN H C JR Director
Bought 2×
$6.77K 455 at 14.87
1.5%
First buy on file
24 Feb 2020
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 3×
$31.72K 2,000 at 15.86
7.7%
First buy on file
21 Feb 2020
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 2×
$7.98K 500 at 15.96
2.0%
First buy on file
20 Feb 2020
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 2×
$32.11K 2,000 at 16.05
8.5%
First buy on file
19 Feb 2020
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 6×
$80.82K 5,000 at 16.16
27.0%
First buy on file
18 Feb 2020
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought
$15.97K 1,000 at 15.97
5.7%
First buy on file
14 Feb 2020
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 4×
$79.26K 5,000 at 15.85
39.9%
First buy on file
8 Nov 2019
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought
$9.63K 540 at 17.84
1.1%
First buy on file
29 Oct 2019
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought
$89.30K 5,000 at 17.86
11.1%
First buy on file
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