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.
This page provides access to SES AI Corporation (NYSE: SES) filings with the U.S. Securities and Exchange Commission, along with AI-powered tools that help explain the information contained in those documents. SES AI is a Delaware corporation whose Class A common stock and warrants trade on the New York Stock Exchange under the symbols SES and SES WS, as disclosed in its Form 8-K and proxy filings.
Through this filings page, users can review annual reports on Form 10-K and quarterly reports on Form 10-Q, which describe SES AI’s business as a developer and manufacturer of AI-enhanced high-performance lithium-metal and lithium-ion batteries, its Molecular Universe software and services platform, and its activities in markets such as electric vehicles, drones, urban air mobility, robotics, and energy storage systems. AI-generated summaries can highlight segment descriptions, risk factors, and key disclosures related to its battery technologies, software offerings, and global operations.
Investors can also access current reports on Form 8-K, which SES AI uses to report material events, including acquisitions such as the purchase of Shenzhen UZ Energy Co., Ltd., the proposed joint venture with Hisun New Energy Materials, collaborations with Top Material, changes in board composition, preliminary financial information, and notices related to NYSE listing compliance. The platform’s AI features can help interpret these events and their context within the company’s broader strategy.
In addition, this page links to proxy materials such as the definitive proxy statement (DEF 14A), which detail SES AI’s governance structure, board elections, auditor ratification, and advisory votes on executive compensation. Where available, insider transaction reports on Form 4 can be viewed to track equity transactions by directors and officers. Real-time updates from EDGAR and AI-assisted explanations are intended to make SES AI’s regulatory disclosures more accessible to investors, analysts, and other users researching the SES stock and its corporate governance.
SES AI Corp’s chief legal officer Kyle Pilkington reported an automatic share withholding related to restricted stock units. On 02/09/2026, 56,074 shares of Class A Common Stock were withheld at $1.99 per share to satisfy tax obligations when RSUs vested; these shares were not sold.
After this transaction, Pilkington beneficially owned 805,203 shares of Class A Common Stock, including 568,785 shares underlying RSUs that remain subject to forfeiture until they vest.
SES AI Corp’s chief financial officer, Nealis Jing, reported an automatic share withholding tied to equity compensation. On 02/09/2026, 110,231 shares of Class A Common Stock were withheld at $1.99 per share to cover tax obligations on vesting restricted stock units.
After this transaction, Jing beneficially owned 2,506,056 Class A shares in total, including 1,223,271 shares underlying restricted stock units that remain subject to forfeiture until they vest.
SES AI Corp’s chief science officer Gan Hong reported a routine tax-withholding transaction tied to vested stock awards. On 02/09/2026, 63,290 shares of Class A Common Stock were withheld at $1.99 per share to cover withholding taxes on restricted stock units and were not sold on the market.
After this transaction, Gan Hong beneficially owned 1,138,396 Class A shares, including 710,981 shares underlying restricted stock units that remain subject to forfeiture until they vest.
SES AI Corp CEO Hu Qichao reported a tax‑withholding share transaction related to equity compensation. On 02/09/2026, 267,934 shares of Class A Common Stock were withheld at $1.99 per share to satisfy withholding taxes upon vesting of restricted stock units. These shares were not sold on the market. After this withholding, Hu Qichao beneficially owned 4,388,931 Class A shares, including 2,972,177 shares underlying unvested RSUs that remain subject to forfeiture until they vest.
SES AI Corp’s chief technology officer, Xu Kang, reported a routine tax-related share withholding. On February 6, 2026, 35,063 shares of Class A common stock at $1.88 per share were withheld to cover taxes due on vesting restricted stock units and were not sold on the market.
After this transaction, Xu Kang beneficially owned 619,989 Class A shares, including 399,988 shares underlying unvested restricted stock units that remain subject to forfeiture until they vest.
SES AI Corp’s chief science officer, Gan Hong, reported option exercises and share sales in January 2026 under a pre-arranged Rule 10b5-1 trading plan entered into on August 14, 2025.
On January 22 and 23, 2026, he exercised a total of 250,000 stock options with a
After these transactions, he directly holds 1,253,286 Class A shares, which include 852,222 shares underlying restricted stock units that may be forfeited if they do not vest. He also continues to hold 929,832 stock options with a
SES insider Hong Gan has filed a notice of intent to sell common stock. The filing covers the planned sale of 250,000 common shares through Morgan Stanley Smith Barney LLC on the NYSE, with an aggregate market value of
Tianqi Lithium HK Co., Ltd. and Tianqi Lithium Corporation report significant ownership in SES AI Corp. They disclose beneficial ownership of 24,922,386 shares of SES AI’s Class A common stock, representing 7.8% of the class. This total consists of 22,140,256 existing shares plus 2,782,130 additional Class A shares that will be issued to Tianqi if SES AI’s share price reaches at least $18.00 during a specified earn-out period starting one year after the business combination closing and ending five years after that closing.
The ownership percentage is calculated using 321,190,509 Class A shares outstanding as of November 10, 2025, as reported by SES AI. Tianqi Lithium HK Co., Ltd. is wholly owned by Chengdu Tianqi Lithium Limited, which in turn is wholly owned by Tianqi Lithium Corporation, so the parent company is also deemed to beneficially own the same 7.8% stake.
SES AI Corporation filed a current report to disclose that it will participate in the Needham Growth Conference on January 16, 2026. The company is using this event to present an updated slide presentation about its business, which is furnished as Exhibit 99.1 to the report. The materials are provided under Regulation FD as “furnished,” meaning they are not treated as formally filed financial statements and are not automatically incorporated into other securities law filings unless specifically referenced.
SES AI Corp's Chief Science Officer reported exercising stock options and selling shares of Class A Common Stock. On 12/15/2025, the officer exercised options for 93,277 shares at $0.15 and 6,723 shares at $0.16, then sold 100,000 shares at a weighted average price of $1.9789.
After these transactions, the officer beneficially owns 1,253,286 shares of SES Class A Common Stock, including 852,222 shares underlying restricted stock units that remain subject to forfeiture until they vest. The activity was carried out under a Rule 10b5-1 trading plan entered into on August 14, 2025.
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