Data spanning the past 90 days through January 10, 2026 reveals that Summit Midstream's three principal insider shareholders consist of Chairman And President And Ceo J Heath Deneke (266.17K shares), TenPercentOwner Midstream, Llc Connect (146.48K shares), Executive Vp And Cfo William J. Mault (63.22K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| J Heath Deneke | Chairman And President And Ceo | 266,170 | 28 Mar, 2025 |
| Midstream, Llc Connect | 146,479 | 02 Sep, 2025 | |
| William J. Mault | Executive Vp And Cfo | 63,224 | 18 Mar, 2025 |
| James David Johnston | Executive Vp And Gc And Cco And Secy | 49,816 | 18 Mar, 2025 |
| James Lee Jacobe | 41,953 | 18 Mar, 2025 | |
| Marguerite Woung-Chapman | 33,271 | 18 Mar, 2025 | |
| Robert Joseph Mcnally | 33,271 | 18 Mar, 2025 | |
| James J Cleary | 33,271 | 18 Mar, 2025 | |
| Matthew B. Sicinski | Senior Vp And Cao | 28,820 | 18 Mar, 2025 |
| Rommel M. Oates | 22,437 | 18 Mar, 2025 | |
| Jerry L Peters | 20,184 | 28 Apr, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 28 Aug, 2025 | Midstream, Llc Connect | Common Stock, par value $0.01 | A | 26,319 | $20.89 | 146,479 | D | P |
| 27 Aug, 2025 | Midstream, Llc Connect | Common Stock, par value $0.01 | A | 47,401 | $20.50 | 120,160 | D | P |
| 26 Aug, 2025 | Midstream, Llc Connect | Common Stock, par value $0.01 | A | 72,759 | $20.46 | 72,759 | D | P |
| 24 Apr, 2025 | Jerry L Peters | Common Stock | D | 3,062 | $0.00 | 0 | D | G |
| 24 Apr, 2025 | Jerry L Peters | - | - | 0 | D | |||
| 28 Mar, 2025 | J Heath Deneke | Common Stock | D | 50 | $35.45 | 266,170 | D | S |
| 28 Mar, 2025 | J Heath Deneke | Common Stock | D | 950 | $34.63 | 266,220 | D | S |
| 27 Mar, 2025 | J Heath Deneke | Common Stock | D | 1,000 | $35.33 | 267,170 | D | S |
| 26 Mar, 2025 | J Heath Deneke | Common Stock | D | 1,000 | $35.33 | 268,170 | D | S |
| 25 Mar, 2025 | J Heath Deneke | Common Stock | D | 1,000 | $35.74 | 269,170 | D | S |
| 24 Mar, 2025 | J Heath Deneke | Common Stock | D | 1,000 | $36.32 | 270,170 | D | S |
| 21 Mar, 2025 | J Heath Deneke | Common Stock | D | 1,000 | $36.30 | 271,170 | D | S |
| 20 Mar, 2025 | J Heath Deneke | Common Stock | D | 1,000 | $37.73 | 272,170 | D | S |
| 19 Mar, 2025 | Jerry L Peters | Common Stock | D | 6,700 | $37.40 | 23,246 | I | S |
| 19 Mar, 2025 | Jerry L Peters | Common Stock | D | 6,700 | $37.40 | 20,184 | I | S |
| 19 Mar, 2025 | J Heath Deneke | Common Stock | D | 100 | $38.15 | 273,170 | D | S |
| 19 Mar, 2025 | J Heath Deneke | Common Stock | D | 900 | $37.63 | 273,270 | D | S |
| 18 Mar, 2025 | Jerry L Peters | Common Stock | D | 52 | $38.00 | 29,946 | I | S |
| 18 Mar, 2025 | Jerry L Peters | Common Stock | D | 52 | $38.00 | 26,884 | I | S |
| 18 Mar, 2025 | J Heath Deneke | Common Stock | D | 50 | $38.48 | 274,170 | D | S |