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
28 Oct 2019
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 4×
$96.52K 5,400 at 17.87
13.6%
First buy on file
21 Oct 2019
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 3×
$53.62K 3,000 at 17.87
8.2%
First buy on file
12 Sep 2019
ALLEN H C JR Director · indirect
Bought
$9.00K 500 at 18.00
7.7%
First buy on file
11 Sep 2019
ALLEN H C JR Director · indirect
Bought 4×
$31.10K 1,720 at 18.08
4.3%
First buy on file
10 Sep 2019
ALLEN H C JR Director · indirect
Bought
$18.30K 1,000 at 18.30
22.4%
First buy on file
16 Aug 2019
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 3×
$38.51K 2,190 at 17.59
6.4%
First buy on file
15 Aug 2019
EHRMAN BRADLEY J Chief Operating Officer · indirect
Bought
$53.97K 3,000 at 17.99
6.4%
First buy on file
14 Aug 2019
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 4×
$75.92K 4,226 at 17.96
14.0%
First buy on file
13 Aug 2019
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 4×
$92.30K 5,000 at 18.46
19.8%
First buy on file
12 Aug 2019
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 6×
$91.64K 5,000 at 18.33
24.8%
First buy on file
7 Aug 2019
ALLEN H C JR Director · indirect
Bought
$76.79K 4,470 at 17.18
opened
First buy on file
18 Jun 2019
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 4×
$57.89K 3,167 at 18.28
15.9%
First buy on file
17 Jun 2019
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 3×
$55.12K 3,000 at 18.37
17.8%
First buy on file
13 Jun 2019
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 3×
$73.64K 4,000 at 18.41
31.0%
First buy on file
12 Jun 2019
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 3×
$74.92K 4,000 at 18.73
45.0%
First buy on file
11 Jun 2019
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought
$37.32K 2,000 at 18.66
29.0%
First buy on file
10 May 2019
EHRMAN BRADLEY J Chief Operating Officer · indirect
Bought
$109.05K 5,773 at 18.89
14.1%
First buy on file
13 Aug 2018
EHRMAN BRADLEY J Chief Operating Officer · indirect
Bought 2×
$52.14K 2,747 at 18.98
7.8%
First buy on file
10 May 2018
EHRMAN BRADLEY J Chief Operating Officer · indirect
Bought
$67.21K 3,703 at 18.15
11.7%
First buy on file
18 Apr 2018
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought
$10.66K 594 at 17.95
1.6%
First buy on file
17 Apr 2018
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 3×
$138.77K 7,785 at 17.83
27.5%
First buy on file
15 Mar 2018
MORIYAMA LESLIE A Chief Financial Officer
Bought
$32.50K 2,040 at 15.93
15.0%
First buy on file
14 Mar 2018
LASSITER ALLEN D Director
Bought
$42.36K 2,638 at 16.06
35.8%
First buy on file
13 Mar 2018
LASSITER ALLEN D Director
Bought
$117.09K 7,362 at 15.90
opened
First buy on file
26 Jan 2018
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 2×
$30.61K 1,925 at 15.90
7.3%
First buy on file
25 Jan 2018
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought
$32.90K 2,000 at 16.45
8.2%
First buy on file
24 Jan 2018
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 4×
$190.48K 11,500 at 16.56
89.5%
First buy on file
23 Jan 2018
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 2×
$33.25K 2,000 at 16.62
18.4%
First buy on file
22 Jan 2018
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 3×
$11.55K 700 at 16.49
6.9%
First buy on file
19 Dec 2017
VAUGHN ROBERT C Director
Bought 4×
$72.99K 5,000 at 14.60
46.6%
First buy on file
19 Dec 2017
VAUGHN ROBERT C Director · indirect
Bought 2×
$36.14K 2,475 at 14.60
0.5%
First buy on file
6 Dec 2017
VAUGHN ROBERT C Director · indirect
Bought 3×
$61.73K 4,186 at 14.75
0.9%
First buy on file
5 Dec 2017
VAUGHN ROBERT C Director · indirect
Bought
$29.30K 2,000 at 14.65
0.4%
First buy on file
16 Nov 2017
EHRMAN BRADLEY J Chief Operating Officer · indirect
Bought
$25.59K 1,700 at 15.05
6.5%
First buy on file
8 Sep 2017
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought
$8.72K 600 at 14.54
2.2%
First buy on file
7 Sep 2017
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 4×
$181.02K 12,500 at 14.48
83.6%
First buy on file
6 Sep 2017
DORCHESTER MINERALS OPERATING LP Entity Under Common Control
Bought 4×
$83.93K 5,800 at 14.47
63.4%
First buy on file
21 Aug 2017
MORIYAMA LESLIE A Chief Financial Officer
Bought
$17.84K 1,260 at 14.16
12.0%
First buy on file
30 Jun 2017
MCMANEMIN WILLIAM CASEY Chief Executive Officer · indirect
Bought
$2.26M 150,808 at 14.98
72.0%
First buy on file
30 Jun 2017
Rochelle Martha Director · indirect
Bought
$961.33K 64,174 at 14.98
opened
First buy on file
30 Jun 2017
VAUGHN ROBERT C Director · indirect
Bought
$769.06K 51,339 at 14.98
12.0%
First buy on file
30 Jun 2017
RALEY JAMES E Vice Chairman
Bought
$288.39K 19,252 at 14.98
148%
First buy on file
30 Jun 2017
ALLEN H C JR Director · indirect
Bought
$288.39K 19,252 at 14.98
88.0%
First buy on file
30 Jun 2017
MORIYAMA LESLIE A Chief Financial Officer
Bought
$96.13K 6,417 at 14.98
157%
First buy on file
30 Jun 2017
EHRMAN BRADLEY J Chief Operating Officer · indirect
Bought
$48.06K 3,208 at 14.98
14.0%
First buy on file
9 Mar 2017
EHRMAN BRADLEY J Chief Operating Officer · indirect
Bought
$18.17K 1,132 at 16.05
5.2%
First buy on file
9 Mar 2017
EHRMAN BRADLEY J Chief Operating Officer
Bought
$11.15K 695 at 16.05
4.3%
First buy on file
19 Dec 2016
MORIYAMA LESLIE A Chief Financial Officer
Bought
$8.30K 470 at 17.65
13.0%
First buy on file
16 Dec 2016
MORIYAMA LESLIE A Chief Financial Officer
Bought
$1.69K 100 at 16.90
2.9%
First buy on file
29 Nov 2016
EHRMAN BRADLEY J Chief Operating Officer · indirect
Bought
$18.06K 1,122 at 16.10
5.4%
First buy on file
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