Summit Midstream Corp. (SMC) has 13 known insider and institutional holders on record. The largest holder is Deneke J Heath with 179,617 shares. Other notable holders include Connect Midstream, LLC and Johnston James David.
Over the last 12 months, insiders have made 27 transactions in SMC stock — 14 buys (valued at $3.01M) and 3 sells (valued at $381.77K). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
SMC Insider Ownership
Top Holder
Deneke J Heath
179,617 shares
Buys (12 mo)
14
$3.01M value
Sells (12 mo)
3
$381.77K value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Deneke J Heath |
Chairman, President and CEO |
179,617 |
2026-03-17 |
|
| 2 |
Connect Midstream, Llc |
10 Percent Owner |
146,479 |
2025-09-02 |
|
| 3 |
Johnston James David |
Executive VP, Gc, Cco and Secy |
56,294 |
2026-03-17 |
|
| 4 |
Mault William J. |
Executive VP and CFO |
54,889 |
2026-03-17 |
|
| 5 |
Jacobe James Lee |
Director |
45,686 |
2026-03-18 |
|
| 6 |
Cleary James J |
Director |
37,004 |
2026-03-18 |
|
| 7 |
Mcnally Robert Joseph |
Director |
37,004 |
2026-03-18 |
|
| 8 |
Woung-chapman Marguerite |
Director |
33,271 |
2025-03-18 |
|
| 9 |
Oates Rommel |
Director |
26,170 |
2026-03-18 |
|
| 10 |
Oates Rommel M. |
Director |
22,437 |
2025-03-18 |
|
| 11 |
Sicinski Matthew B. |
Senior VP and CAO |
18,538 |
2026-03-17 |
|
| 12 |
Stone Carolyn J |
Director |
3,733 |
2026-03-18 |
|
| 13 |
Peters Jerry L |
Director |
3,733 |
2026-03-18 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-16 |
Oates Rommel |
Director |
RSU Award |
3,733 |
- |
- |
| 2026-03-16 |
Jacobe James Lee |
Director |
RSU Award |
3,733 |
- |
- |
| 2026-03-16 |
Mcnally Robert Joseph |
Director |
RSU Award |
3,733 |
- |
- |
| 2026-03-16 |
Stone Carolyn J |
Director |
RSU Award |
3,733 |
- |
- |
| 2026-03-16 |
Stone Carolyn J |
Director |
Unknown |
- |
- |
- |
| 2026-03-16 |
Cleary James J |
Director |
RSU Award |
3,733 |
- |
- |
| 2026-03-16 |
Peters Jerry L |
Director |
RSU Award |
3,733 |
- |
- |
| 2026-03-16 |
Mault William J. |
Executive VP and CFO |
RSU Award |
18,071 |
- |
- |
| 2026-03-13 |
Mault William J. |
Executive VP and CFO |
Option Exercise (Sell) |
8,542 |
- |
- |
| 2026-03-16 |
Sicinski Matthew B. |
Senior VP and CAO |
RSU Award |
5,692 |
- |
- |
| 2026-03-13 |
Sicinski Matthew B. |
Senior VP and CAO |
Option Exercise (Sell) |
3,174 |
- |
- |
| 2026-03-16 |
Johnston James David |
Executive VP, Gc, Cco and Secy |
RSU Award |
17,544 |
- |
- |
| 2026-03-13 |
Johnston James David |
Executive VP, Gc, Cco and Secy |
Option Exercise (Sell) |
9,793 |
- |
- |
| 2026-03-16 |
Deneke J Heath |
Chairman, President and CEO |
RSU Award |
59,807 |
- |
- |
| 2026-03-13 |
Deneke J Heath |
Chairman, President and CEO |
Option Exercise (Sell) |
30,015 |
- |
- |
| 2026-01-16 |
Mault William J. |
Executive VP and CFO |
Tax Withholding of RSU |
2,757 |
$26.81 |
$73.92K |
| 2026-01-16 |
Sicinski Matthew B. |
Senior VP and CAO |
Option Exercise (Sell) |
3,593 |
- |
- |
| 2026-01-16 |
Johnston James David |
Executive VP, Gc, Cco and Secy |
Tax Withholding of RSU |
2,923 |
$26.81 |
$78.37K |
| 2026-01-16 |
Deneke J Heath |
Chairman, President and CEO |
Option Exercise (Sell) |
32,754 |
- |
- |
| 2025-08-28 |
Connect Midstream, Llc |
10 Percent Owner |
Informative Buy |
26,319 |
$20.89 |
$549.8K |
| 2025-08-27 |
Connect Midstream, Llc |
10 Percent Owner |
Informative Buy |
47,401 |
$20.50 |
$971.72K |
| 2025-08-26 |
Connect Midstream, Llc |
10 Percent Owner |
Informative Buy |
72,759 |
$20.46 |
$1.49M |
| 2025-04-24 |
Peters Jerry L |
Director |
Gift (Given) |
3,062 |
- |
- |
| 2025-03-19 |
Peters Jerry L |
Director |
Informative Sell |
6,700 |
$37.40 |
$250.58K |
| 2025-03-18 |
Peters Jerry L |
Director |
Informative Sell |
52 |
$38.00 |
$1.98K |
