Form 4: SES AI CTO Xu Kang's RSU Vesting Tax Withholding

SES AI Corp's Chief Technology Officer, Xu Kang, had 39,593 shares withheld to cover tax obligations related to restricted stock unit vesting.

Summary

• Xu Kang, Chief Technology Officer of SES AI Corp, reported a transaction on March 27, 2026.
• The transaction involved the disposition of 39,593 shares of Class A Common Stock at a price of $0.9873 per share.
• These shares were withheld to cover the reporting person's withholding tax obligations in connection with the vesting of restricted stock units (RSUs) and were not sold by Xu Kang.
• Following this transaction, Xu Kang beneficially owns 580,396 shares of Class A Common Stock.
• This beneficial ownership includes 316,655 shares of Class A Common Stock underlying restricted stock units, which remain subject to forfeiture until they vest.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a routine administrative event related to executive compensation, carrying no significant positive or negative implications for the company's operational or financial performance.

Positives

• The vesting of restricted stock units indicates ongoing compensation for key management, which can contribute to executive retention and alignment of interests with shareholders.

Negatives

• The withholding of 39,593 shares for tax purposes reduces the reporting person's direct beneficial ownership, although it is a standard and non-discretionary practice.

Future Outlook

This filing does not contain any forward-looking statements or guidance regarding the company's future performance or strategic direction.

Industry Context

StockSavvy.ai notes that the withholding of shares to cover tax obligations upon the vesting of restricted stock units is a standard and routine administrative event in executive compensation across all industries, including the advanced materials and battery technology sector where SES AI Corp operates. This transaction reflects a common mechanism for managing equity compensation.

Comparison to Industry Standards

• StockSavvy.ai notes that the practice of withholding shares to cover tax obligations upon RSU vesting is a standard and widespread practice across all industries for publicly traded companies, including technology and automotive sectors where SES AI Corp operates. This is a common mechanism for managing equity compensation, comparable to practices at companies like QuantumScape (QS) or Solid Power (SLDP) in the battery technology space, or broader tech firms.

Stakeholder Impact

• Shareholders: The transaction is a routine administrative event and is unlikely to have a material impact on the company's stock price or overall shareholder value. The underlying RSU vesting is part of the company's established compensation plan.

Key Dates

Keywords

SES AI, Form 4, insider transaction, RSU vesting, stock withholding, Xu Kang, Chief Technology Officer, equity compensation