Xu Kang 4
4 · SES AI Corp · Filed Feb 10, 2026
Research Summary
AI-generated summary of this filing
SES AI (SES) CTO Xu Kang Withholds 35,063 Shares for Taxes
What Happened
- Xu Kang, Chief Technology Officer of SES AI Corp (SES), had 35,063 shares withheld to satisfy tax withholding related to the vesting of restricted stock units (RSUs). The withholding was recorded at $1.88 per share, totaling $65,918. These shares were withheld to cover taxes and were not sold on the open market.
Key Details
- Transaction date: 2026-02-06
- Withheld shares: 35,063 at $1.88 per share; total value $65,918
- Transaction code: F (shares withheld to cover tax withholding on RSU vesting)
- Shares owned after transaction: not specified in the filing; filing notes 399,988 shares of Class A common stock underlying RSUs that remain subject to forfeiture until they vest (Footnote F2)
- Filing date: 2026-02-10 — filed within the normal Form 4 reporting window (timely)
Context
- This was a tax-withholding event tied to RSU vesting, a routine administrative action rather than an open-market sale; it typically does not signal a change in the insider’s view of the company.
- The filing clarifies the shares were withheld to cover tax obligations (Footnote F1) rather than sold for cash.
Insider Transaction Report
Form 4
SES AI CorpSES
Xu Kang
CHIEF TECHNOLOGY OFFICER
Transactions
- Tax Payment
Class A Common Stock
[F1][F2]2026-02-06$1.88/sh−35,063$65,918→ 619,989 total
Footnotes (2)
- [F1]Represents shares withheld to cover the Reporting Person's withholding tax obligations in connection with the vesting of restricted stock units ("RSUs"). These shares were not sold by the Reporting Person.
- [F2]Includes 399,988 shares of Class A Common Stock underlying restricted stock units, which are subject to forfeiture until they vest.
Signature
/s/ Kyle Pilkington, Attorney-in-Fact|2026-02-10