Form 4: Summit Midstream CFO Mault Reports RSU Vesting, Stock Activity

Summit Midstream's Executive VP and CFO, William J. Mault, reported the vesting of restricted stock units, subsequent acquisition of common stock, and sales to cover tax liabilities.

Summary

• William J. Mault, Executive VP and CFO of Summit Midstream Corp (SMC), reported multiple transactions related to his equity compensation.
• On March 13, 2026, Mault acquired a total of 29,857 shares of common stock through the vesting and conversion of Restricted Stock Units (RSUs).
• Concurrently, 11,751 shares of common stock were disposed of at a price of $30.29 per share to satisfy tax withholding obligations related to the RSU vesting.
• Following these transactions, Mault's direct beneficial ownership of common stock was 88,694 shares.
• On March 16, 2026, Mault was granted new Restricted Stock Units totaling 36,142 units.
• These new RSUs have varying vesting schedules, with some vesting annually over three years starting March 16, 2026, and others vesting based on performance criteria over a period ending December 31, 2028.
• The performance-based RSUs granted on March 16, 2026, were certified at 96.7% of the target, leading to a forfeiture of 3.3% of the original target RSUs.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral event, representing routine executive compensation activities (RSU vesting, tax-related sales, and new grants) that are standard practice and do not indicate a change in company fundamentals or executive sentiment.

Positives

• Executive VP and CFO William J. Mault received 29,857 shares of common stock from the vesting of previously granted Restricted Stock Units.
• Mault was granted an additional 36,142 new Restricted Stock Units, indicating continued long-term incentive alignment with shareholder interests.
• The vesting of some RSUs included Distribution Equivalent Rights (DERs), providing a lump sum cash payment for accrued distributions.

Negatives

• 11,751 shares of common stock were sold at $30.29 per share to cover tax liabilities associated with the RSU vesting, representing a reduction in direct share ownership.
• A portion of the performance-based RSUs (3.3% of the target) was forfeited due to the certified achievement level of 96.7% of the target.

Future Outlook

Future vesting events for William J. Mault's Restricted Stock Units are scheduled, with some tranches vesting annually on the first, second, and third anniversaries of March 16, 2026, subject to continued employment. Other performance-based RSUs will vest based on criteria achieved during the performance period from January 1, 2026, through December 31, 2028, with certification expected within 60 days following the end of the period.

Management Comments

• Each corporation restricted stock unit is the economic equivalent of one common stock.
• Common stocks are being withheld to pay tax liability.
• 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.
• 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.
• The 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.

Industry Context

StockSavvy.ai notes that these transactions represent routine executive compensation activities, specifically the vesting of Restricted Stock Units and the subsequent sale of shares to cover tax obligations, alongside new RSU grants. This aligns with common practices in the energy midstream sector to incentivize long-term executive performance and retention through equity awards.

Comparison to Industry Standards

• This Form 4 details standard executive compensation practices, including RSU vesting and tax-related share dispositions, which are common across publicly traded companies, including peers in the midstream energy sector such as Energy Transfer LP (ET) or Kinder Morgan, Inc. (KMI).
• While specific RSU grant sizes and performance metrics vary by company and executive role, the mechanism of equity-based compensation and tax withholding is a global benchmark for executive incentive programs.
• The 96.7% achievement level for performance-based RSUs suggests a strong, but not perfect, attainment of set corporate goals, which is a typical outcome for performance-linked awards.

Stakeholder Impact

• Shareholders: Minor dilution from RSU conversion, but the overall compensation structure aims to align executive interests with long-term shareholder value. The sale of shares for tax purposes is a routine event and does not signal a lack of confidence.
• Employees: The RSU program is part of executive compensation, which can influence broader employee incentive structures and morale.

Next Steps

• Continued vesting of new Restricted Stock Units on the first, second, and third anniversaries of March 16, 2026, subject to continued employment.
• Determination of performance criteria achievement for certain Restricted Stock Units during the performance period from January 1, 2026, through December 31, 2028, with results to be certified within 60 days following the period end.

Key Dates

Recommendation

This Form 4 details routine executive compensation activities, including the vesting of Restricted Stock Units, the sale of shares to cover tax obligations, and the grant of new RSUs. These are standard events in executive incentive programs and do not provide new fundamental information about Summit Midstream Corp's operational performance, strategic direction, or financial health that would warrant a change in investment recommendation. Therefore, a 'hold' recommendation is appropriate as this filing does not alter the investment thesis.

Keywords

Summit Midstream Corp, SMC, William J. Mault, Form 4, insider transaction, restricted stock units, RSU, executive compensation, stock vesting, tax withholding, equity award