SEC Form 4 · Updated Daily
SES
— SES AI CORPORATION OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| Hu Qichao | 10%+ Owner · Director · Officer | 5,449,607 | 2026-05-18 | A |
| Nealis Jing | Officer | 2,305,943 | 2026-04-14 | F |
| Gan Hong | Officer | 1,031,576 | 2026-04-14 | F |
| Pilkington Kyle | Officer | 1,023,548 | 2026-05-22 | S |
| Xu Kang | Officer | 766,437 | 2026-09-01 | F |
| Ma Jiong | Director | 524,993 | 2026-05-18 | A |
| Luo Eric | Director | 524,993 | 2026-05-18 | A |
| Boyd Andrew J | Director | 437,889 | 2026-05-18 | A |
| Li Gang | Officer | 353,720 | 2025-04-17 | F |
| Liu Yi Ray | Officer | 331,858 | 2026-05-18 | A |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-09-01 | Xu Kang | Tax withholding | 35,198 | $0.52 | 766,437 |
| 2026-05-22 | Pilkington Kyle | Open-market sale | 25,000 | $1.20 | 1,023,548 |
| 2026-05-18 | Ma Jiong | Grant / award | 141,593 | $0.00 | 524,993 |
| 2026-05-18 | Luo Eric | Grant / award | 141,593 | $0.00 | 524,993 |
| 2026-05-18 | Boyd Andrew J | Grant / award | 141,593 | $0.00 | 437,889 |
| 2026-05-18 | Hu Qichao | Grant / award | 1,504,425 | $0.00 | 5,449,607 |
| 2026-05-18 | Xu Kang | Grant / award | 221,239 | $0.00 | 801,635 |
| 2026-05-18 | Pilkington Kyle | Grant / award | 353,982 | $0.00 | 1,048,548 |
| 2026-05-18 | Liu Yi Ray | Grant / award | 331,858 | $0.00 | 331,858 |
| 2026-04-14 | Hu Qichao | Tax withholding | 133,303 | $1.10 | 3,945,182 |
| 2026-04-14 | Gan Hong | Tax withholding | 32,138 | $1.10 | 1,031,576 |
| 2026-04-14 | Nealis Jing | Tax withholding | 36,145 | $1.10 | 2,305,943 |
| 2026-04-14 | Pilkington Kyle | Tax withholding | 25,185 | $1.10 | 694,566 |
| 2026-03-27 | Hu Qichao | Tax withholding | 310,446 | $0.99 | 4,078,485 |
| 2026-03-27 | Gan Hong | Tax withholding | 74,682 | $0.99 | 1,063,714 |
| 2026-03-27 | Nealis Jing | Tax withholding | 163,968 | $0.99 | 2,342,088 |
| 2026-03-27 | Pilkington Kyle | Tax withholding | 60,452 | $0.99 | 719,751 |
| 2026-03-27 | Xu Kang | Tax withholding | 39,593 | $0.99 | 580,396 |
| 2026-03-09 | Pilkington Kyle | Open-market sale | 25,000 | $1.20 | 780,203 |
| 2026-02-09 | Hu Qichao | Tax withholding | 267,934 | $1.99 | 4,388,931 |
| 2026-02-09 | Gan Hong | Tax withholding | 63,290 | $1.99 | 1,138,396 |
| 2026-02-09 | Nealis Jing | Tax withholding | 110,231 | $1.99 | 2,506,056 |
| 2026-02-09 | Pilkington Kyle | Tax withholding | 56,074 | $1.99 | 805,203 |
| 2026-02-06 | Xu Kang | Tax withholding | 35,063 | $1.88 | 619,989 |
| 2026-01-23 | Gan Hong | Option exercise (derivative) | 100,000 | $0.00 | 929,832 |
| 2026-01-23 | Gan Hong | Open-market sale | 100,000 | $2.50 | 1,253,286 |
| 2026-01-23 | Gan Hong | Option exercise | 100,000 | $0.16 | 1,353,286 |
| 2026-01-22 | Gan Hong | Option exercise (derivative) | 150,000 | $0.00 | 1,029,832 |
| 2026-01-22 | Gan Hong | Open-market sale | 150,000 | $2.50 | 1,253,286 |
| 2026-01-22 | Gan Hong | Option exercise | 150,000 | $0.16 | 1,403,286 |
| 2025-12-15 | Gan Hong | Option exercise (derivative) | 6,723 | $0.00 | 1,179,832 |
| 2025-12-15 | Gan Hong | Option exercise (derivative) | 93,277 | $0.00 | 0 |
| 2025-12-15 | Gan Hong | Open-market sale | 100,000 | $1.98 | 1,253,286 |
| 2025-12-15 | Gan Hong | Option exercise | 6,723 | $0.16 | 1,353,286 |
| 2025-12-15 | Gan Hong | Option exercise | 93,277 | $0.15 | 1,346,563 |
| 2025-11-17 | Gan Hong | Option exercise (derivative) | 150,000 | $0.00 | 93,277 |
| 2025-11-17 | Gan Hong | Open-market sale | 150,000 | $1.90 | 1,253,286 |
| 2025-11-17 | Gan Hong | Option exercise | 150,000 | $0.15 | 1,403,286 |
| 2025-09-08 | Boyd Andrew J | Grant / award | 296,296 | $0.00 | 296,296 |
| 2025-09-03 | Xu Kang | Tax withholding | 39,238 | $1.09 | 655,052 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.