SES AI Corp (SES) Insider Trading
Directors, officers and holders of more than 10% of SES report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 134 transactions on file: 0 with code P, 6 with code S and 44 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 5, 2026 | Diemer Paul | Director | A Award | 320,000 | Not measured | Not measured |
| Sep 1, 2026 | Xu Kang | CHIEF TECHNOLOGY OFFICER | F Tax Payment | 35,198 | $0.5230 | $18,409 |
| May 22, 2026 | Pilkington Kyle | CHIEF LEGAL OFFICER | S Sale | 25,000 | $1.20 | $30,007 |
| May 18, 2026 | Boyd Andrew J | Director | A Award | 141,593 | Not measured | Not measured |
| May 18, 2026 | Xu Kang | CHIEF TECHNOLOGY OFFICER | A Award | 221,239 | Not measured | Not measured |
| May 18, 2026 | Pilkington Kyle | CHIEF LEGAL OFFICER | A Award | 353,982 | Not measured | Not measured |
| May 18, 2026 | Hu Qichao | CEO & CHAIRMAN | A Award | 1,504,425 | Not measured | Not measured |
| May 18, 2026 | Ma Jiong | Director | A Award | 141,593 | Not measured | Not measured |
| May 18, 2026 | Luo Eric | Director | A Award | 141,593 | Not measured | Not measured |
| May 18, 2026 | Liu Yi Ray | CHIEF FINANCIAL OFFICER | A Award | 331,858 | Not measured | Not measured |
| Apr 14, 2026 | Nealis Jing | CHIEF FINANCIAL OFFICER | F Tax Payment | 36,145 | $1.10 | $39,760 |
| Apr 14, 2026 | Hu Qichao | CEO & CHAIRMAN | F Tax Payment | 133,303 | $1.10 | $146,633 |
| Apr 14, 2026 | Pilkington Kyle | CHIEF LEGAL OFFICER | F Tax Payment | 25,185 | $1.10 | $27,704 |
| Apr 14, 2026 | Gan Hong | CHIEF SCIENCE OFFICER | F Tax Payment | 32,138 | $1.10 | $35,352 |
| Mar 9, 2026 | Pilkington Kyle | CHIEF LEGAL OFFICER | S Sale | 25,000 | $1.20 | $30,000 |
| Feb 9, 2026 | Gan Hong | CHIEF SCIENCE OFFICER | F Tax Payment | 63,290 | $1.99 | $125,947 |
| Feb 9, 2026 | Pilkington Kyle | CHIEF LEGAL OFFICER | F Tax Payment | 56,074 | $1.99 | $111,587 |
| Feb 9, 2026 | Hu Qichao | CEO & CHAIRMAN | F Tax Payment | 267,934 | $1.99 | $533,189 |
| Feb 9, 2026 | Nealis Jing | CHIEF FINANCIAL OFFICER | F Tax Payment | 110,231 | $1.99 | $219,360 |
| Feb 6, 2026 | Xu Kang | CHIEF TECHNOLOGY OFFICER | F Tax Payment | 35,063 | $1.88 | $65,918 |
| Jan 23, 2026 | Gan Hong | CHIEF SCIENCE OFFICER | M Exercise | 100,000 | $0.1600 | $16,000 |
| Jan 23, 2026 | Gan Hong | CHIEF SCIENCE OFFICER | S Sale | 100,000 | $2.50 | $250,320 |
| Jan 23, 2026 | Gan Hong | CHIEF SCIENCE OFFICER | M Exercise | 100,000 | Not measured | Not measured |
| Jan 22, 2026 | Gan Hong | CHIEF SCIENCE OFFICER | M Exercise | 150,000 | $0.1600 | $24,000 |
| Jan 22, 2026 | Gan Hong | CHIEF SCIENCE OFFICER | S Sale | 150,000 | $2.50 | $374,385 |
| Jan 22, 2026 | Gan Hong | CHIEF SCIENCE OFFICER | M Exercise | 150,000 | Not measured | Not measured |
| Dec 15, 2025 | Gan Hong | CHIEF SCIENCE OFFICER | S Sale | 100,000 | $1.98 | $197,890 |
| Dec 15, 2025 | Gan Hong | CHIEF SCIENCE OFFICER | M Exercise | 93,277 | Not measured | Not measured |
| Dec 15, 2025 | Gan Hong | CHIEF SCIENCE OFFICER | M Exercise | 6,723 | Not measured | Not measured |
| Dec 15, 2025 | Gan Hong | CHIEF SCIENCE OFFICER | M Exercise | 93,277 | $0.1500 | $13,992 |
| Dec 15, 2025 | Gan Hong | CHIEF SCIENCE OFFICER | M Exercise | 6,723 | $0.1600 | $1,076 |
| Nov 17, 2025 | Gan Hong | CHIEF SCIENCE OFFICER | M Exercise | 150,000 | $0.1500 | $22,500 |
| Nov 17, 2025 | Gan Hong | CHIEF SCIENCE OFFICER | M Exercise | 150,000 | Not measured | Not measured |
| Nov 17, 2025 | Gan Hong | CHIEF SCIENCE OFFICER | S Sale | 150,000 | $1.90 | $285,225 |
| Sep 8, 2025 | Boyd Andrew J | Director | A Award | 296,296 | Not measured | Not measured |
| Sep 3, 2025 | Xu Kang | CHIEF TECHNOLOGY OFFICER | F Tax Payment | 39,238 | $1.09 | $42,769 |
| Aug 18, 2025 | Nealis Jing | CHIEF FINANCIAL OFFICER | F Tax Payment | 15,691 | $1.08 | $16,946 |
| Aug 8, 2025 | Pilkington Kyle | CHIEF LEGAL OFFICER | F Tax Payment | 5,452 | $1.13 | $6,161 |
| Jul 16, 2025 | Nealis Jing | CHIEF FINANCIAL OFFICER | F Tax Payment | 15,691 | $0.9837 | $15,435 |
| Jun 16, 2025 | Nealis Jing | CHIEF FINANCIAL OFFICER | F Tax Payment | 15,691 | $0.9586 | $15,041 |
| May 16, 2025 | Nealis Jing | CHIEF FINANCIAL OFFICER | F Tax Payment | 15,691 | $0.9364 | $14,693 |
| Apr 18, 2025 | Nealis Jing | CHIEF FINANCIAL OFFICER | F Tax Payment | 37,825 | $0.6851 | $25,914 |
| Apr 18, 2025 | Gan Hong | CHIEF SCIENCE OFFICER | F Tax Payment | 41,294 | $0.6851 | $28,291 |
| Apr 18, 2025 | Hu Qichao | CEO & CHAIRMAN | F Tax Payment | 90,038 | $0.6851 | $61,685 |
| Apr 18, 2025 | Pilkington Kyle | CHIEF LEGAL OFFICER | F Tax Payment | 4,558 | $0.6851 | $3,123 |
| Apr 17, 2025 | Hu Qichao | CEO & CHAIRMAN | F Tax Payment | 134,866 | $0.6215 | $83,819 |
| Apr 17, 2025 | Nealis Jing | CHIEF FINANCIAL OFFICER | F Tax Payment | 15,691 | $0.6413 | $10,063 |
| Apr 17, 2025 | Gan Hong | CHIEF SCIENCE OFFICER | F Tax Payment | 30,926 | $0.6215 | $19,221 |
| Apr 17, 2025 | Li Gang | CHIEF MANUFACTURING OFFICER | F Tax Payment | 20,753 | $0.6215 | $12,898 |
| Apr 17, 2025 | Pilkington Kyle | CHIEF LEGAL OFFICER | F Tax Payment | 25,293 | $0.6215 | $15,720 |
The full Form 4 history is on the SES company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.