SMC Insider Transactions
142 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.
SMC insiders transaction timeline
PurchaseSale
| Insider profile | Role | Date | Transaction | Shares | Price |
|---|---|---|---|---|---|
| Johnston James David | Executive VP, GC, CCO and Secy | 2026-07-02 | Sale | 2,600 | $29.72 |
| PETERS JERRY L | Director | 2026-05-19 | Sale | 10,000.0 | $32.0 |
| Downie Jason H | Director,TenPercentOwner | 2026-03-31 | Purchase | 1,220,918.0 | $31.08 |
| Herring Edward | Director,TenPercentOwner | 2026-03-31 | Purchase | 1,220,918.0 | $31.08 |
| Tailwater Capital LLC | TenPercentOwner | 2026-03-31 | Purchase | 1,220,918.0 | $31.08 |
| Tailwater Energy Fund III LP | TenPercentOwner | 2026-03-31 | Purchase | 1,220,918.0 | $31.08 |
| Connect Midstream, LLC | TenPercentOwner | 2026-03-31 | Purchase | 1,220,918.0 | $31.08 |
| Downie Jason H | Director,TenPercentOwner | 2025-08-28 | Purchase | 26,319.0 | $20.89 |
| Herring Edward | Director,TenPercentOwner | 2025-08-28 | Purchase | 26,319.0 | $20.89 |
| Tailwater Capital LLC | TenPercentOwner | 2025-08-28 | Purchase | 26,319.0 | $20.89 |
| Tailwater Energy Fund III LP | TenPercentOwner | 2025-08-28 | Purchase | 26,319.0 | $20.89 |
| Connect Midstream, LLC | TenPercentOwner | 2025-08-28 | Purchase | 26,319.0 | $20.89 |
| Downie Jason H | Director,TenPercentOwner | 2025-08-27 | Purchase | 47,401.0 | $20.5 |
| Herring Edward | Director,TenPercentOwner | 2025-08-27 | Purchase | 47,401.0 | $20.5 |
| Tailwater Capital LLC | TenPercentOwner | 2025-08-27 | Purchase | 47,401.0 | $20.5 |
| Tailwater Energy Fund III LP | TenPercentOwner | 2025-08-27 | Purchase | 47,401.0 | $20.5 |
| Connect Midstream, LLC | TenPercentOwner | 2025-08-27 | Purchase | 47,401.0 | $20.5 |
| Downie Jason H | Director,TenPercentOwner | 2025-08-26 | Purchase | 72,759.0 | $20.46 |
| Herring Edward | Director,TenPercentOwner | 2025-08-26 | Purchase | 72,759.0 | $20.46 |
| Tailwater Capital LLC | TenPercentOwner | 2025-08-26 | Purchase | 72,759.0 | $20.46 |
| Tailwater Energy Fund III LP | TenPercentOwner | 2025-08-26 | Purchase | 72,759.0 | $20.46 |
| Connect Midstream, LLC | TenPercentOwner | 2025-08-26 | Purchase | 72,759.0 | $20.46 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-28 | Sale | 50.0 | $35.45 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-28 | Sale | 950.0 | $34.63 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-27 | Sale | 1,000.0 | $35.33 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-26 | Sale | 1,000.0 | $35.33 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-25 | Sale | 1,000.0 | $35.74 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-24 | Sale | 1,000.0 | $36.32 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-21 | Sale | 1,000.0 | $36.3 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-20 | Sale | 1,000.0 | $37.73 |
| PETERS JERRY L | Director | 2025-03-19 | Sale | 6,700.0 | $37.4 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-19 | Sale | 100.0 | $38.15 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-19 | Sale | 900.0 | $37.63 |
| PETERS JERRY L | Director | 2025-03-19 | Sale | 6,700.0 | $37.4 |
| PETERS JERRY L | Director | 2025-03-18 | Sale | 52.0 | $38.0 |
| PETERS JERRY L | Director | 2025-03-18 | Sale | 52.0 | $38.0 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-18 | Sale | 50.0 | $38.48 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-18 | Sale | 950.0 | $37.99 |
| PETERS JERRY L | Director | 2025-03-17 | Sale | 3,303.0 | $39.12 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-17 | Sale | 467.0 | $38.96 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-17 | Sale | 533.0 | $38.09 |
| PETERS JERRY L | Director | 2025-03-17 | Sale | 3,303.0 | $39.12 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-14 | Sale | 1,000.0 | $37.47 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-13 | Sale | 1,000.0 | $37.12 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-12 | Sale | 200.0 | $38.61 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-12 | Sale | 800.0 | $37.9 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-11 | Sale | 200.0 | $38.55 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-11 | Sale | 800.0 | $37.7 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-10 | Sale | 150.0 | $39.43 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-10 | Sale | 850.0 | $38.36 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-07 | Sale | 500.0 | $39.7 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-07 | Sale | 500.0 | $38.76 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-06 | Sale | 400.0 | $40.25 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-06 | Sale | 600.0 | $39.29 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-05 | Sale | 1,000.0 | $40.55 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-04 | Sale | 150.0 | $41.8 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-04 | Sale | 850.0 | $41.33 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-03 | Sale | 500.0 | $44.04 |
| Deneke J Heath | Chairman, President and CEO | 2025-03-03 | Sale | 500.0 | $42.96 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-28 | Sale | 650.0 | $44.91 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-28 | Sale | 150.0 | $44.08 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-28 | Sale | 200.0 | $42.39 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-27 | Sale | 1,000.0 | $42.44 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-26 | Sale | 1,000.0 | $41.96 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-25 | Sale | 150.0 | $42.13 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-25 | Sale | 850.0 | $41.64 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-24 | Sale | 1,000.0 | $42.63 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-21 | Sale | 450.0 | $44.67 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-21 | Sale | 550.0 | $43.84 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-20 | Sale | 500.0 | $44.77 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-20 | Sale | 500.0 | $43.68 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-19 | Sale | 1,000.0 | $45.08 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-18 | Sale | 700.0 | $45.21 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-18 | Sale | 300.0 | $44.45 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-14 | Sale | 1,000.0 | $44.2 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-13 | Sale | 276.0 | $45.16 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-13 | Sale | 724.0 | $44.06 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-12 | Sale | 1,000.0 | $43.8 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-11 | Sale | 150.0 | $44.35 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-11 | Sale | 850.0 | $43.75 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-10 | Sale | 505.0 | $43.67 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-10 | Sale | 495.0 | $43.18 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-07 | Sale | 150.0 | $43.1 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-07 | Sale | 850.0 | $42.59 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-06 | Sale | 207.0 | $43.84 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-06 | Sale | 793.0 | $43.03 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-05 | Sale | 700.0 | $43.07 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-05 | Sale | 300.0 | $42.12 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-04 | Sale | 1,000.0 | $42.33 |
| Deneke J Heath | Chairman, President and CEO | 2025-02-03 | Sale | 1,000.0 | $41.04 |
| Deneke J Heath | Chairman, President and CEO | 2025-01-31 | Sale | 1,000.0 | $41.49 |
| Deneke J Heath | Chairman, President and CEO | 2025-01-30 | Sale | 1,000.0 | $41.26 |
| Deneke J Heath | Chairman, President and CEO | 2025-01-29 | Sale | 1,000.0 | $40.88 |
| Deneke J Heath | Chairman, President and CEO | 2025-01-28 | Sale | 1,000.0 | $40.04 |
| Deneke J Heath | Chairman, President and CEO | 2025-01-27 | Sale | 1,000.0 | $40.8 |
| Deneke J Heath | Chairman, President and CEO | 2025-01-24 | Sale | 1,000.0 | $42.36 |
| Deneke J Heath | Chairman, President and CEO | 2025-01-23 | Sale | 1,000.0 | $42.86 |
| Deneke J Heath | Chairman, President and CEO | 2025-01-22 | Sale | 1,000.0 | $42.73 |
| Deneke J Heath | Chairman, President and CEO | 2025-01-21 | Sale | 1,000.0 | $42.06 |
| Deneke J Heath | Chairman, President and CEO | 2025-01-17 | Sale | 1,000.0 | $40.11 |