Welcome to our dedicated page for SES AI SEC filings (Ticker: SES), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
SES AI Corporation filings document the public-company disclosures of a Delaware battery technology issuer with Class A common stock and warrants listed on the New York Stock Exchange. Recent 8-K filings furnish shareholder letters, quarterly and annual financial results, preliminary unaudited revenue updates, Regulation FD presentation materials and material-event reports tied to the company's operating updates.
The filing record also covers governance and capital-structure matters, including officer and director changes, annual meeting vote results, definitive proxy disclosures, executive compensation information and voting rights for Class A and Class B common stock. These documents provide formal disclosure around SES AI's battery, ESS, drone, materials and Molecular Universe activities, along with related corporate governance subjects.
SES AI Corporation furnished its first quarter 2026 results and announced a Chief Financial Officer transition. The company reported Q1 2026 revenue of $6.7 million, described as above consensus, and improved gross margin to 18.1% from 11.3% in the fourth quarter of 2025, while maintaining about $178 million in liquidity. SES AI affirmed full-year 2026 revenue guidance of $30 million to $35 million, highlighted a multiyear Energy Storage Systems distribution agreement with ATG E Power, growing drone cell production capacity to roughly 1,000,000 cells annually, and a multiyear contract for its AI-driven Molecular Universe "Search in a Box" product. The filing also details that Yi (Ray) Liu will become CFO on April 27, 2026, succeeding Jing Nealis, with Liu receiving a $375,000 base salary, target bonus equal to 50% of salary, a $25,000 cash signing bonus, and restricted stock units valued at $375,000, while Nealis receives accelerated vesting of 117,500 RSUs and an extended option exercise period.
SES AI Corp chief legal officer Kyle Pilkington reported a routine tax-withholding transaction tied to equity compensation. On this Form 4, 25,185 shares of Class A Common Stock were withheld at $1.10 per share to cover withholding tax obligations from vesting restricted stock units (RSUs); the footnote states these shares were not sold.
After the withholding, Pilkington directly holds 694,566 shares of Class A Common Stock, which include 379,664 shares underlying RSUs that remain subject to forfeiture until they vest. This event reflects compensation-related share withholding rather than an open-market sale.
SES AI Corp’s Chief Financial Officer, Nealis Jing, reported a routine tax-related share disposition. On this date, 36,145 shares of Class A Common Stock were withheld at $1.10 per share to cover withholding tax obligations tied to the vesting of restricted stock units, and these shares were not sold on the market.
After this withholding, Jing directly holds 2,305,943 shares of Class A Common Stock, including 836,871 shares underlying restricted stock units that remain subject to forfeiture until they vest.
SES AI Corp's Chief Science Officer Hong Gan reported a routine tax-related share disposition. On the vesting of restricted stock units, 32,138 shares of Class A Common Stock were withheld at $1.10 per share to cover withholding tax obligations; these shares were not sold in the market.
After this withholding, Gan directly holds 1,031,576 shares of Class A Common Stock, including 474,580 shares underlying restricted stock units that remain subject to forfeiture until they vest.
SES AI Corp CEO and Chairman Hu Qichao reported a tax-related share disposition tied to RSU vesting. On this Form 4, 133,303 shares of Class A Common Stock were withheld at $1.10 per share to cover withholding tax obligations when restricted stock units vested.
These shares were not sold on the market. After the withholding, Hu Qichao directly holds 3,945,182 shares of Class A Common Stock, including 1,993,239 shares underlying RSUs that remain subject to forfeiture until they vest.
SES AI Corporation issued an update with preliminary, unaudited first quarter 2026 revenue expected between $6.3 million and $6.5 million, which it states is above published consensus estimates. The quarter was driven mainly by ESS product revenue from UZ Energy, plus smaller drone and subscription contributions, including about $1.5 million from orders delayed from the fourth quarter of 2025.
The company affirmed its full year 2026 revenue guidance of $30 million to $35 million and highlighted its capex-light business model and three revenue-generating units: ESS, drones and advanced materials. SES AI plans to report full first quarter results and host a conference call on April 23, 2026.
SES AI Corp’s Chief Technology Officer, Kang Xu, reported a routine tax-related share disposition. On the vesting of restricted stock units, 39,593 shares of Class A common stock were withheld at $0.9873 per share to cover withholding tax obligations and were not sold on the market.
After this withholding, Xu directly holds 580,396 shares of Class A common stock, including 316,655 shares underlying unvested restricted stock units that remain subject to forfeiture until they vest.
SES AI Corp’s chief legal officer, Kyle Pilkington, reported a routine tax-related share disposition. On this Form 4, 60,452 shares of Class A Common Stock were withheld at $0.9873 per share to cover withholding tax obligations tied to vesting restricted stock units, and were not sold in the market.
After the withholding, Pilkington directly holds 719,751 Class A shares, including 435,453 shares underlying restricted stock units that remain subject to forfeiture until they vest.
SES AI Corp’s Chief Financial Officer, Nealis Jing, had shares withheld to cover taxes on vested RSUs. On this event, 163,968 shares of Class A Common Stock were withheld at $0.9873 per share to satisfy withholding tax obligations, and were not sold in the market.
After this tax-withholding disposition, Jing directly holds 2,342,088 shares of Class A Common Stock, including 906,607 shares underlying restricted stock units that remain subject to forfeiture until they vest.
SES AI Corp chief science officer Gan Hong had 74,682 shares of Class A Common Stock withheld on March 27, 2026 to cover withholding tax obligations from vesting restricted stock units. According to the filing, these shares were not sold on the market. After this tax-withholding disposition, Hong directly owned 1,063,714 shares, including 544,316 shares underlying restricted stock units that remain subject to forfeiture until they vest.