Matador Resources Company (MTDR) Insider Trading

Cluster buy

3 insiders bought $1.21M of their own stock in 18 days.

Open-market purchases by executives and directors between Aug 10 and Aug 27. Buying is rarer than selling and says more, but it is one input, not a verdict.

Net open-market

+$3.45M

36 buys · 0 sales

Under a 10b5-1 plan

—

no sales

Insiders who bought / sold

14 / 0

executives and directors

Last open-market buy

Aug 2026

Aug 27, 2026

Get an email when MTDR's executives or directors buy, or make a large sale outside a plan.

Trades · last 2 years

Date	Insider	Trade	Shares	Price	Value	Of their stake	Filing
Aug 27	Christopher P Calvert EVP and CFO	Bought	2,500	$56.64	$142k	2.0%	Form 4
Aug 26	Joseph Wm Foran Chairman and CEO	Bought	555	$54.49	$30k	0.1%	Form 4
Aug 17	Joseph Wm Foran Chairman and CEO	Bought	400	$53.64	$21k	<0.1%	Form 4
Aug 12 – 13	Joseph Wm Foran Chairman and CEO	Bought 2 parts	15,000	$51.92 average	$779k	30%	Form 4
Aug 10 – 11	Joseph Wm Foran Chairman and CEO	Bought 2 parts	3,839	$51.16 average	$196k	0.3%	Form 4
Aug 10	William Thomas Elsener EVP, Reservoir Engineering	Bought	850	$50.94	$43k	0.7%	Form 4
Jun 15	Robert Gaines Baty Director	Bought	500	$51.44	$26k	0.6%	Form 4
Jun 9	Glenn W Stetson EVP and COO	Bought	500	$53.41	$27k	0.5%	Form 4
Jun 9	Joseph Wm Foran Chairman and CEO	Bought	2,000	$53.07	$106k	0.4%	Form 4
Jun 8	Monika U Ehrman Director	Bought	362	$55.28	$20k	0.9%	Form 4
Jun 4	Joseph Wm Foran Chairman and CEO	Bought	2,000	$56.25	$113k	3.7%	Form 4
May 29	Benjamin T Colodney SVP & Chief Accounting Officer	Bought	250	$53.41	$13k	2.1%	Form 4
May 29	Christopher P Calvert EVP and CFO	Bought	1,500	$53.24	$80k	1.2%	Form 4
May 29	Joseph Wm Foran Chairman and CEO	Bought	482	$52.70	$25k	<0.1%	Form 4
May 28	Glenn W Stetson EVP and COO	Bought	500	$53.94	$27k	0.5%	Form 4
May 27	Joseph Wm Foran Chairman and CEO	Bought	4,675	$52.36	$245k	1.9%	Form 4
Mar 6	Monika U Ehrman Director	Bought	267	$56.29	$15k	0.6%	Form 4
Feb 27	Joseph Wm Foran Chairman and CEO	Bought	468	$49.78	$23k	<0.1%	Form 4
Nov 6, 2025	Robert T Macalik EVP, Chief Financial Officer	Bought	1,500	$38.25	$57k	1.1%	Form 4
Nov 6, 2025	Van H Singleton II CoPresident-Land, A&D,Planning	Bought	500	$38.28	$19k	0.2%	Form 4
Nov 6, 2025	Joseph Wm Foran Chairman and CEO	Bought	1,000	$38.14	$38k	0.8%	Form 4
Nov 5, 2025 – Nov 6, 2025	Shelley F Appel Director	Bought 4 parts	2,880	$37.76 average	$109k	0.7%	Form 4
Nov 4, 2025	Reynald Baribault Director	Bought	400	$38.49	$15k	0.3%	Form 4
Nov 4, 2025	Joseph Wm Foran Chairman and CEO	Bought	4,000	$38.44	$154k	2.1%	Form 4
Nov 3, 2025	Christopher P Calvert EVP and COO	Bought	2,500	$39.44	$99k	2.0%	Form 4
Nov 3, 2025	Van H Singleton II CoPresident-Land, A&D,Planning	Bought	1,000	$39.46	$39k	0.3%	Form 4
Nov 3, 2025	Susan M Ward Director	Bought	5,000	$39.04	$195k	50%	Form 4
Oct 30, 2025 – Nov 3, 2025	Shelley F Appel Director	Bought 4 parts	4,485	$39.72 average	$178k	0.4%	Form 4
Oct 31, 2025	Bryan A Erman Co-President,CLO & Head of M&A	Bought	1,000	$39.60	$40k	1.2%	Form 4
Oct 31, 2025	William Thomas Elsener EVP, Reservoir Engineering	Bought	600	$39.51	$24k	0.5%	Form 4
Oct 31, 2025	Robert Gaines Baty Director	Bought	500	$39.51	$20k	0.7%	Form 4
Oct 31, 2025	Robert T Macalik EVP, Chief Financial Officer	Bought	1,039	$39.40	$41k	0.7%	Form 4
Oct 30, 2025 – Oct 31, 2025	Joseph Wm Foran Chairman and CEO	Bought 2 parts	10,842	$39.72 average	$431k	2.1%	Form 4
Oct 30, 2025	Benjamin T Colodney VP & Chief Accounting Officer	Bought	100	$39.35	$4k	0.8%	Form 4
Oct 30, 2025	Paul W Harvey Director	Bought	800	$40.30	$32k	2.6%	Form 4
Oct 30, 2025	Glenn W Stetson EVP-Production	Bought	700	$39.95	$28k	0.7%	Form 4
Sep 12, 2025	Glenn W Stetson EVP-Production	Bought	500	$48.52	$24k	0.5%	Form 4
Sep 12, 2025	Bryan A Erman Co-President,CLO & Head of M&A	Bought	500	$47.99	$24k	0.6%	Form 4
Sep 12, 2025	Benjamin T Colodney VP & Chief Accounting Officer	Bought	130	$47.89	$6k	1.1%	Form 4
Sep 12, 2025	William D Lambert EVP and CFO	Bought	150	$48.04	$7k	1.4%	Form 4

Aug 27
Christopher P Calvert
EVP and CFO · bought 2,500 at $56.64
$142k
2.0% of stake
Aug 26
Joseph Wm Foran
Chairman and CEO · bought 555 at $54.49
$30k
0.1% of stake
Aug 17
Joseph Wm Foran
Chairman and CEO · bought 400 at $53.64
$21k
<0.1% of stake
Aug 12 – 13
Joseph Wm Foran
Chairman and CEO · bought 15,000 at avg $51.92
$779k
30% of stake
Aug 10 – 11
Joseph Wm Foran
Chairman and CEO · bought 3,839 at avg $51.16
$196k
0.3% of stake
Aug 10
William Thomas Elsener
EVP, Reservoir Engineering · bought 850 at $50.94
$43k
0.7% of stake
Jun 15
Robert Gaines Baty
Director · bought 500 at $51.44
$26k
0.6% of stake
Jun 9
Glenn W Stetson
EVP and COO · bought 500 at $53.41
$27k
0.5% of stake
Jun 9
Joseph Wm Foran
Chairman and CEO · bought 2,000 at $53.07
$106k
0.4% of stake
Jun 8
Monika U Ehrman
Director · bought 362 at $55.28
$20k
0.9% of stake
Jun 4
Joseph Wm Foran
Chairman and CEO · bought 2,000 at $56.25
$113k
3.7% of stake
May 29
Benjamin T Colodney
SVP & Chief Accounting Officer · bought 250 at $53.41
$13k
2.1% of stake
May 29
Christopher P Calvert
EVP and CFO · bought 1,500 at $53.24
$80k
1.2% of stake
May 29
Joseph Wm Foran
Chairman and CEO · bought 482 at $52.70
$25k
<0.1% of stake
May 28
Glenn W Stetson
EVP and COO · bought 500 at $53.94
$27k
0.5% of stake
May 27
Joseph Wm Foran
Chairman and CEO · bought 4,675 at $52.36
$245k
1.9% of stake
Mar 6
Monika U Ehrman
Director · bought 267 at $56.29
$15k
0.6% of stake
Feb 27
Joseph Wm Foran
Chairman and CEO · bought 468 at $49.78
$23k
<0.1% of stake
Nov 6, 2025
Robert T Macalik
EVP, Chief Financial Officer · bought 1,500 at $38.25
$57k
1.1% of stake
Nov 6, 2025
Van H Singleton II
CoPresident-Land, A&D,Planning · bought 500 at $38.28
$19k
0.2% of stake
Nov 6, 2025
Joseph Wm Foran
Chairman and CEO · bought 1,000 at $38.14
$38k
0.8% of stake
Nov 5, 2025 – Nov 6, 2025
Shelley F Appel
Director · bought 2,880 at avg $37.76
$109k
0.7% of stake
Nov 4, 2025
Reynald Baribault
Director · bought 400 at $38.49
$15k
0.3% of stake
Nov 4, 2025
Joseph Wm Foran
Chairman and CEO · bought 4,000 at $38.44
$154k
2.1% of stake
Nov 3, 2025
Christopher P Calvert
EVP and COO · bought 2,500 at $39.44
$99k
2.0% of stake
Nov 3, 2025
Van H Singleton II
CoPresident-Land, A&D,Planning · bought 1,000 at $39.46
$39k
0.3% of stake
Nov 3, 2025
Susan M Ward
Director · bought 5,000 at $39.04
$195k
50% of stake
Oct 30, 2025 – Nov 3, 2025
Shelley F Appel
Director · bought 4,485 at avg $39.72
$178k
0.4% of stake
Oct 31, 2025
Bryan A Erman
Co-President,CLO & Head of M&A · bought 1,000 at $39.60
$40k
1.2% of stake
Oct 31, 2025
William Thomas Elsener
EVP, Reservoir Engineering · bought 600 at $39.51
$24k
0.5% of stake
Oct 31, 2025
Robert Gaines Baty
Director · bought 500 at $39.51
$20k
0.7% of stake
Oct 31, 2025
Robert T Macalik
EVP, Chief Financial Officer · bought 1,039 at $39.40
$41k
0.7% of stake
Oct 30, 2025 – Oct 31, 2025
Joseph Wm Foran
Chairman and CEO · bought 10,842 at avg $39.72
$431k
2.1% of stake
Oct 30, 2025
Benjamin T Colodney
VP & Chief Accounting Officer · bought 100 at $39.35
$4k
0.8% of stake
Oct 30, 2025
Paul W Harvey
Director · bought 800 at $40.30
$32k
2.6% of stake
Oct 30, 2025
Glenn W Stetson
EVP-Production · bought 700 at $39.95
$28k
0.7% of stake
Sep 12, 2025
Glenn W Stetson
EVP-Production · bought 500 at $48.52
$24k
0.5% of stake
Sep 12, 2025
Bryan A Erman
Co-President,CLO & Head of M&A · bought 500 at $47.99
$24k
0.6% of stake
Sep 12, 2025
Benjamin T Colodney
VP & Chief Accounting Officer · bought 130 at $47.89
$6k
1.1% of stake
Sep 12, 2025
William D Lambert
EVP and CFO · bought 150 at $48.04
$7k
1.4% of stake

How to read this. Insiders sell for many reasons: taxes, diversifying, a house. Open-market buys are rarer and say more. A 10b5-1 plan is a trading schedule set up months in advance, so those sales were not timed on news. Large holders (funds and 10% owners) are listed under Everything but not counted as insiders. If you own or watch MTDR, we send a push when an executive buys or makes a large sale outside a plan.

Source: SEC Form 4 filings, filed within two business days of each trade and checked for new ones every hour.

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Spot a number that looks wrong? Check it in MTDR's SEC filings or

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Data sourced from SEC EDGAR filings and third-party price providers. Scores, valuations, and metrics are algorithmic estimates. This is not investment advice. See our Terms and Methodology.

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