InsiderTrades

Form 4 for SMC Summit Midstream Corp

Accepted 2026-03-17 00:00:00 ET · period of report 2026-03-13 · accession 0002024218-26-000031 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
DM 2026-03-17 2026-03-13 SMC Deneke J Heath COB, Pres, CEO F - Tax $30.29 -40.3K 354.4K -10% -$1.22M
DM 2026-03-17 2026-03-13 SMC Deneke J Heath COB, Pres, CEO M - OptEx — +103.9K 342.4K +44% —
DM 2026-03-17 2026-03-13 SMC Deneke J Heath COB, Pres, CEO M - OptEx $0.00 -103.9K 179.6K -37% $0
DM 2026-03-17 2026-03-16 SMC Deneke J Heath COB, Pres, CEO A - Grant $0.00 +119.6K 239.4K +100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-03-13 F D 22,239 $30.29 326,518 D — — (F2) Common stocks being withheld to pay tax liability.
2 Common Common Stock 2026-03-13 M A 30,015 — 366,161 D — — (F1) Each corporation restricted stock unit is the economic equivalent of one common stock.
3 Common Common Stock 2026-03-13 F D 6,247 $30.29 336,146 D — — (F2) Common stocks being withheld to pay tax liability.
4 Common Common Stock 2026-03-13 M A 58,049 — 348,757 D — — (F1) Each corporation restricted stock unit is the economic equivalent of one common stock.
5 Common Common Stock 2026-03-13 F D 11,811 $30.29 354,350 D — — (F2) Common stocks being withheld to pay tax liability.
6 Common Common Stock 2026-03-13 M A 15,875 — 342,393 D — — (F1) Each corporation restricted stock unit is the economic equivalent of one common stock.
7 Derivative Corporation Restricted Stock Units 2026-03-13 M D 58,049 $0.00 225,507 D — · — to — 58,049 Common Stock (F1) Each corporation restricted stock unit is the economic equivalent of one common stock. (F3) The corporation restricted stock units subject to the original award agreement vested on March 13, 2026. The Reporting Person received distribution equivalent rights ("DERs") for each corporation restricted stock unit, providing for payment on the vesting date of a lump sum of cash equal to the accrued distributions from and after the grant date of the corporation restricted stock units. (F4) The corporation restricted stock units and associated DERs do not expire. The corporation restricted stock units are settled upon vesting in common stocks (on a one-for-one basis) or in cash, at the discretion of the Issuer.
8 Derivative Corporation Restricted Stock Units 2026-03-13 M D 15,875 $0.00 209,632 D — · — to — 15,875 Common Stock (F1) Each corporation restricted stock unit is the economic equivalent of one common stock. (F5) One-third of the corporation restricted stock units (rounded down to the nearest whole number of units, except in the case of the final vesting date) vested on March 13, 2026, with the remaining corporation restricted stock units vesting on the second and third anniversaries of the March 14, 2025, reference date, subject to continued employment and accelerated vesting as provided in the applicable award agreement. The Reporting Person received DERs for each corporation restricted stock unit, providing for payment on the vesting date of a lump sum of cash equal to the accrued distributions from and after the grant date of the corporation restricted stock units. (F4) The corporation restricted stock units and associated DERs do not expire. The corporation restricted stock units are settled upon vesting in common stocks (on a one-for-one basis) or in cash, at the discretion of the Issuer.
9 Derivative Corporation Restricted Stock Units 2026-03-16 A A 59,807 $0.00 297,251 D — · — to — 59,807 Common Stock (F9) This total includes corporation restricted stock units from other tranches with different vesting dates. On March 16, 2026, when the original award agreement vested, it was certified at an achievement level of 96.7% of the target number of corporation restricted stock units. The remaining 3.3% of the target corporation restricted stock units that were not earned based on the certified performance level were forfeited. The difference between the number of outstanding awards reflected in the Reporting Person's brokerage account and the number previously reported is attributable to this certification and the corresponding forfeiture of the unearned portion of the original award. (F1) Each corporation restricted stock unit is the economic equivalent of one common stock. (F8) The corporation restricted stock units shall vest if and to the extent that the corporation restricted stock units are earned during the performance period from January 1, 2026 through December 31, 2028, which will depend on whether the performance criteria are achieved as determined by the committee as soon as reasonably practicable, but no later than sixty (60) days following December 31, 2028, the last day of the Performance Period. The vesting of the corporation restricted stock units is subject to continued employment and accelerated vesting as provided in the applicable award agreement. The Reporting Person will receive DERs for each corporation restricted stock unit, providing for payment on the vesting date of a lump sum of cash equal to the accrued distributions from and after the grant date of the corporation restricted stock units. (F4) The corporation restricted stock units and associated DERs do not expire. The corporation restricted stock units are settled upon vesting in common stocks (on a one-for-one basis) or in cash, at the discretion of the Issuer.
10 Derivative Corporation Restricted Stock Units 2026-03-16 A A 59,807 $0.00 239,424 D — · — to — 59,807 Common Stock (F1) Each corporation restricted stock unit is the economic equivalent of one common stock. (F7) One-third of the corporation restricted stock units (rounded down to the nearest whole number of units, except in the case of the final vesting date) shall vest on each of the first, second and third anniversaries of the March 16, 2026, reference date, subject to continued employment and accelerated vesting as provided in the applicable award agreement. The Reporting Person will receive DERs for each corporation restricted stock unit, providing for payment on the vesting date of a lump sum of cash equal to the accrued distributions from and after the grant date of the corporation restricted stock units. (F4) The corporation restricted stock units and associated DERs do not expire. The corporation restricted stock units are settled upon vesting in common stocks (on a one-for-one basis) or in cash, at the discretion of the Issuer.
11 Derivative Corporation Restricted Stock Units 2026-03-13 M D 30,015 $0.00 179,617 D — · — to — 30,015 Common Stock (F1) Each corporation restricted stock unit is the economic equivalent of one common stock. (F6) The final one-third of the corporation restricted stock units subject to the original award agreement vested on March 13, 2026. The Reporting Person received DERs for each corporation restricted stock unit, providing for payment on the vesting date of a lump sum of cash equal to the accrued distributions from and after the grant date of the corporation restricted stock units. (F4) The corporation restricted stock units and associated DERs do not expire. The corporation restricted stock units are settled upon vesting in common stocks (on a one-for-one basis) or in cash, at the discretion of the Issuer.