Xu Kang 4
4 · SES AI Corp · Filed Mar 31, 2026
Research Summary
AI-generated summary of this filing
SES AI (SES) CTO Xu Kang Withholds 39,593 Shares for Taxes
What Happened
Xu Kang, Chief Technology Officer of SES AI Corp (SES), had 39,593 shares withheld on 2026-03-27 to satisfy withholding tax related to the vesting of restricted stock units (RSUs). The withholding was recorded at $0.99 per share, totaling $39,090. These shares were withheld for tax purposes and were not sold on the open market.
Key Details
- Transaction date: 2026-03-27; Form 4 filed: 2026-03-31.
- Action: Tax withholding on RSU vesting (transaction code F).
- Withheld shares: 39,593 at $0.99/share = $39,090.
- Shares owned after transaction: total beneficial ownership not specified in the provided excerpt.
- Footnotes:
- F1 — Shares were withheld to cover withholding tax; the Reporting Person did not sell shares.
- F2 — Reporting includes 316,655 shares of Class A common stock underlying RSUs that remain subject to forfeiture until they vest.
- No late-filing code was provided in the excerpt.
Context
Tax-withholding transactions on vested RSUs are routine administrative events and do not reflect an open-market sale or a directional bet by the insider. This filing documents only the withholding to satisfy taxes and notes that a substantial number of RSUs (316,655) remain subject to future vesting.
Insider Transaction Report
Form 4
SES AI CorpSES
Xu Kang
CHIEF TECHNOLOGY OFFICER
Transactions
- Tax Payment
Class A Common Stock
[F1][F2]2026-03-27$0.99/sh−39,593$39,090→ 580,396 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 316,655 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|2026-03-31