SES AI Corporation (SES) has 20 known insider and institutional holders on record. The largest holder is Vertex Legacy Continuation Fund Pte Ltd. with 32,256,315 shares. Other notable holders include SK INC. and Tianqi Lithium HK Co., Ltd..
Over the last 12 months, insiders have made 32 transactions in SES stock — 1 buys (valued at RSU Award) and 1 sells (valued at $30K).
SES Insider Ownership
Top Holder
Vertex Legacy Continuation Fund Pte Ltd.
32,256,315 shares
Buys (12 mo)
1
$0.00 value
Sells (12 mo)
1
$30K value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Vertex Legacy Continuation Fund Pte Ltd. |
10 Percent Owner |
32,256,315 |
2022-02-10 |
|
| 2 |
Sk Inc. |
10 Percent Owner |
32,243,210 |
2024-12-19 |
|
| 3 |
Tianqi Lithium Hk Co., Ltd. |
10 Percent Owner |
30,522,386 |
2023-02-22 |
|
| 4 |
General Motors Holdings Llc |
10 Percent Owner |
9,843,622 |
2024-11-19 |
|
| 5 |
Hu Qichao |
10 Percent Owner, Officer: CEO & Chairman |
4,078,485 |
2026-03-31 |
|
| 6 |
Temasek Holdings (private) Ltd |
10 Percent Owner |
2,550,901 |
2024-09-23 |
|
| 7 |
Nealis Jing |
Chief Financial Officer |
2,342,088 |
2026-03-31 |
|
| 8 |
Gan Hong |
Chief Science Officer |
1,063,714 |
2026-03-31 |
|
| 9 |
Pilkington Kyle |
Chief Legal Officer |
719,751 |
2026-03-31 |
|
| 10 |
Xu Kang |
Chief Technology Officer |
580,396 |
2026-03-31 |
|
| 11 |
Choi Jangwook |
Director |
383,400 |
2025-04-01 |
|
| 12 |
Luo Eric |
Director |
383,400 |
2025-04-01 |
|
| 13 |
Noonen Michael |
Director |
383,400 |
2025-04-01 |
|
| 14 |
Ma Jiong |
Director |
383,400 |
2025-04-01 |
|
| 15 |
Li Gang |
Chief Manufacturing Officer |
353,720 |
2025-04-18 |
|
| 16 |
Boyd Andrew J |
Director |
296,296 |
2025-09-10 |
|
| 17 |
Friedland Robert M |
Director |
273,519 |
2022-04-20 |
|
| 18 |
Krzanich Brian M |
Director |
254,237 |
2024-02-08 |
|
| 19 |
Son Yongkyu |
Chief Technology Officer |
137,735 |
2023-08-17 |
|
| 20 |
Makharia Rohit |
Pres. & Chief Strategy Officer |
104,603 |
2023-12-15 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-27 |
Xu Kang |
Chief Technology Officer |
Tax Withholding of RSU |
39,593 |
$0.99 |
$39.09K |
| 2026-03-27 |
Pilkington Kyle |
Chief Legal Officer |
Tax Withholding of RSU |
60,452 |
$0.99 |
$59.68K |
| 2026-03-27 |
Nealis Jing |
Chief Financial Officer |
Tax Withholding of RSU |
163,968 |
$0.99 |
$161.89K |
| 2026-03-27 |
Hu Qichao |
10 Percent Owner, Officer: CEO & Chairman |
Tax Withholding of RSU |
310,446 |
$0.99 |
$306.5K |
| 2026-03-27 |
Gan Hong |
Chief Science Officer |
Tax Withholding of RSU |
74,682 |
$0.99 |
$73.73K |
| 2026-03-09 |
Pilkington Kyle |
Chief Legal Officer |
Informative Sell |
25,000 |
$1.20 |
$30K |
| 2026-02-06 |
Xu Kang |
Chief Technology Officer |
Tax Withholding of RSU |
35,063 |
$1.88 |
$65.92K |
| 2026-02-09 |
Pilkington Kyle |
Chief Legal Officer |
Tax Withholding of RSU |
56,074 |
$1.99 |
$111.59K |
| 2026-02-09 |
Nealis Jing |
Chief Financial Officer |
Tax Withholding of RSU |
110,231 |
$1.99 |
$219.36K |
| 2026-02-09 |
Hu Qichao |
10 Percent Owner, Officer: CEO & Chairman |
Tax Withholding of RSU |
267,934 |
$1.99 |
$533.19K |
| 2026-02-09 |
Gan Hong |
Chief Science Officer |
Tax Withholding of RSU |
63,290 |
$1.99 |
$125.95K |
| 2026-01-23 |
Gan Hong |
Chief Science Officer |
Option Exercise (Sell) |
100,000 |
$0.16 |
$16K |
| 2026-01-22 |
Gan Hong |
Chief Science Officer |
Option Exercise (Sell) |
150,000 |
$0.16 |
$24K |
| 2025-12-15 |
Gan Hong |
Chief Science Officer |
Option Exercise (Sell) |
93,277 |
$0.15 |
$13.99K |
| 2025-11-17 |
Gan Hong |
Chief Science Officer |
Option Exercise (Sell) |
150,000 |
$0.15 |
$22.5K |
| 2025-09-08 |
Boyd Andrew J |
Director |
RSU Award |
296,296 |
- |
- |
| 2025-09-03 |
Xu Kang |
Chief Technology Officer |
Tax Withholding of RSU |
39,238 |
$1.09 |
$42.77K |
| 2025-09-02 |
Boyd Andrew J |
Officer |
Unknown |
- |
- |
- |
| 2025-08-18 |
Nealis Jing |
Chief Financial Officer |
Tax Withholding of RSU |
15,691 |
$1.08 |
$16.95K |
| 2025-08-08 |
Pilkington Kyle |
Chief Legal Officer |
Tax Withholding of RSU |
5,452 |
$1.13 |
$6.16K |
| 2025-07-16 |
Nealis Jing |
Chief Financial Officer |
Tax Withholding of RSU |
15,691 |
$0.98 |
$15.44K |
| 2025-06-16 |
Nealis Jing |
Chief Financial Officer |
Tax Withholding of RSU |
15,691 |
$0.96 |
$15.04K |
| 2025-05-16 |
Nealis Jing |
Chief Financial Officer |
Tax Withholding of RSU |
15,691 |
$0.94 |
$14.69K |
| 2025-04-17 |
Li Gang |
Chief Manufacturing Officer |
Tax Withholding of RSU |
20,753 |
$0.62 |
$12.9K |
| 2025-04-18 |
Pilkington Kyle |
Chief Legal Officer |
Tax Withholding of RSU |
4,558 |
$0.69 |
$3.12K |
