There have been 50 recent insider transactions recorded for Summit Midstream Corp. (SMC), including 19 buys and 29 sells. Total insider buying was valued at $3.01M and total insider selling at $1.58M.
Notable insiders with recent activity include Deneke J Heath, Johnston James David, Sicinski Matthew B.. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — SMC
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-03-16 |
Deneke J Heath |
Chairman, President and CEO |
RSU Award |
59,807 |
- |
- |
239,424 |
| 2026-03-16 |
Johnston James David |
Executive VP, Gc, Cco and Secy |
RSU Award |
17,544 |
- |
- |
73,838 |
| 2026-03-16 |
Sicinski Matthew B. |
Senior VP and CAO |
RSU Award |
5,692 |
- |
- |
24,230 |
| 2026-03-16 |
Mault William J. |
Executive VP and CFO |
RSU Award |
18,071 |
- |
- |
72,960 |
| 2026-03-16 |
Peters Jerry L |
Director |
RSU Award |
3,733 |
- |
- |
3,733 |
| 2026-03-16 |
Cleary James J |
Director |
RSU Award |
3,733 |
- |
- |
37,004 |
| 2026-03-16 |
Stone Carolyn J |
Director |
Unknown |
- |
- |
- |
- |
| 2026-03-16 |
Stone Carolyn J |
Director |
RSU Award |
3,733 |
- |
- |
3,733 |
| 2026-03-16 |
Mcnally Robert Joseph |
Director |
RSU Award |
3,733 |
- |
- |
37,004 |
| 2026-03-16 |
Jacobe James Lee |
Director |
RSU Award |
3,733 |
- |
- |
45,686 |
| 2026-03-16 |
Oates Rommel |
Director |
RSU Award |
3,733 |
- |
- |
26,170 |
| 2026-03-13 |
Deneke J Heath |
Chairman, President and CEO |
Option Exercise (Sell) |
30,015 |
- |
- |
179,617 |
| 2026-03-13 |
Johnston James David |
Executive VP, Gc, Cco and Secy |
Option Exercise (Sell) |
9,793 |
- |
- |
56,294 |
| 2026-03-13 |
Sicinski Matthew B. |
Senior VP and CAO |
Option Exercise (Sell) |
3,174 |
- |
- |
18,538 |
| 2026-03-13 |
Mault William J. |
Executive VP and CFO |
Option Exercise (Sell) |
8,542 |
- |
- |
54,889 |
| 2026-01-16 |
Deneke J Heath |
Chairman, President and CEO |
Option Exercise (Sell) |
32,754 |
- |
- |
283,556 |
| 2026-01-16 |
Johnston James David |
Executive VP, Gc, Cco and Secy |
Tax Withholding of RSU |
2,923 |
$26.81 |
$78.37K |
57,687 |
| 2026-01-16 |
Sicinski Matthew B. |
Senior VP and CAO |
Option Exercise (Sell) |
3,593 |
- |
- |
29,362 |
| 2026-01-16 |
Mault William J. |
Executive VP and CFO |
Tax Withholding of RSU |
2,757 |
$26.81 |
$73.92K |
70,588 |
| 2025-08-28 |
Connect Midstream, Llc |
10 Percent Owner |
Informative Buy |
26,319 |
$20.89 |
$549.8K |
146,479 |
| 2025-08-27 |
Connect Midstream, Llc |
10 Percent Owner |
Informative Buy |
47,401 |
$20.50 |
$971.72K |
120,160 |
| 2025-08-26 |
Connect Midstream, Llc |
10 Percent Owner |
Informative Buy |
72,759 |
$20.46 |
$1.49M |
72,759 |
| 2025-04-24 |
Peters Jerry L |
Director |
Gift (Given) |
3,062 |
- |
- |
- |
| 2025-03-28 |
Deneke J Heath |
Chairman, President and CEO |
Informative Sell |
50 |
$35.45 |
$1.77K |
266,170 |
| 2025-03-27 |
Deneke J Heath |
Chairman, President and CEO |
Informative Sell |
1,000 |
$35.33 |
$35.33K |
267,170 |
| 2025-03-26 |
Deneke J Heath |
Chairman, President and CEO |
Informative Sell |
1,000 |
$35.33 |
$35.33K |
268,170 |
| 2025-03-25 |
Deneke J Heath |
Chairman, President and CEO |
Informative Sell |
1,000 |
$35.74 |
$35.74K |
269,170 |
| 2025-03-24 |
Deneke J Heath |
Chairman, President and CEO |
Informative Sell |
1,000 |
$36.32 |
$36.32K |
270,170 |
| 2025-03-21 |
Deneke J Heath |
Chairman, President and CEO |
Informative Sell |
1,000 |
$36.30 |
$36.3K |
271,170 |
| 2025-03-20 |
Deneke J Heath |
Chairman, President and CEO |
Informative Sell |
1,000 |
$37.73 |
$37.73K |
272,170 |
| 2025-03-19 |
Peters Jerry L |
Director |
Informative Sell |
6,700 |
$37.40 |
$250.58K |
23,246 |
| 2025-03-19 |
Deneke J Heath |
Chairman, President and CEO |
Informative Sell |
100 |
$38.15 |
$3.82K |
273,170 |
| 2025-03-19 |
Peters Jerry L |
Director |
Informative Sell |
6,700 |
$37.40 |
$250.58K |
20,184 |
| 2025-03-18 |
Deneke J Heath |
Chairman, President and CEO |
Informative Sell |
50 |
$38.48 |
$1.92K |
274,170 |
| 2025-03-18 |
Peters Jerry L |
Director |
Informative Sell |
52 |
$38.00 |
$1.98K |
29,946 |
| 2025-03-18 |
Peters Jerry L |
Director |
Informative Sell |
52 |
$38.00 |
$1.98K |
26,884 |
| 2025-03-17 |
Peters Jerry L |
Director |
Informative Sell |
3,303 |
$39.12 |
$129.21K |
29,998 |
| 2025-03-17 |
Deneke J Heath |
Chairman, President and CEO |
Informative Sell |
467 |
$38.96 |
$18.19K |
275,170 |
| 2025-03-17 |
Peters Jerry L |
Director |
Informative Sell |
3,303 |
$39.12 |
$129.21K |
26,936 |
| 2025-03-15 |
Deneke J Heath |
Chairman, President and CEO |
Tax Withholding of RSU |
7,058 |
$37.44 |
$264.25K |
242,202 |
| 2025-03-15 |
Johnston James David |
Executive VP, Gc, Cco and Secy |
Tax Withholding of RSU |
1,350 |
$37.44 |
$50.54K |
40,379 |
| 2025-03-15 |
Sicinski Matthew B. |
Senior VP and CAO |
Tax Withholding of RSU |
426 |
$37.44 |
$15.95K |
24,505 |
| 2025-03-15 |
Mault William J. |
Executive VP and CFO |
Tax Withholding of RSU |
1,308 |
$37.44 |
$48.97K |
51,817 |
| 2025-03-14 |
Deneke J Heath |
Chairman, President and CEO |
Informative Sell |
1,000 |
$37.47 |
$37.47K |
231,326 |
| 2025-03-14 |
Peters Jerry L |
Director |
RSU Award |
3,062 |
- |
- |
33,301 |
| 2025-03-14 |
Cleary James J |
Director |
RSU Award |
3,062 |
- |
- |
33,271 |
| 2025-03-14 |
Mcnally Robert Joseph |
Director |
RSU Award |
3,062 |
- |
- |
33,271 |
| 2025-03-14 |
Woung-chapman Marguerite |
Director |
RSU Award |
3,062 |
- |
- |
33,271 |
| 2025-03-14 |
Deneke J Heath |
Chairman, President and CEO |
RSU Award |
47,624 |
- |
- |
342,628 |
| 2025-03-14 |
Jacobe James Lee |
Director |
RSU Award |
3,062 |
- |
- |
41,953 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
