SES AI Corporation (SES)
NYSE: SES · Miscellaneous Electrical Machinery, Equipment & Supplies · Woburn, MA · filing with the SEC since 2020
Who owns SES AI Corporation
As filed with the SECHolders of 5% or more
2
Tianqi Lithium HK Co., Ltd. holds 7.8% of Class A common stock, par value $0.0001 per share, as its SCHEDULE 13G/A filed Jan 21, 2026 says.
Directors and officers
10
report now, of 25 people on the record since 2021. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 2 named at left.
Holders of 5% or moreshare of the class, as filed
Tianqi Lithium HK Co., Ltd.
SCHEDULE 13G/A · filed Jan 21, 2026 · Class A common stock, par value $0.0001 per share
Blackrock, Inc.
SCHEDULE 13G · filed Jul 30, 2026 · Class A Stock
SK Inc.
SCHEDULE 13G/A · filed Feb 12, 2025 · Class A Common Stock, $0.0001 par value · reported falling below 5%
General Motors Holdings LLC
SCHEDULE 13D/A · filed Jan 14, 2025 · Class A common stock, par value $0.0001 · reported falling below 5%
Temasek Holdings (Private) Limited
SCHEDULE 13G/A · filed Nov 10, 2025 · Class A common stock, par value $0.0001 per share · reported falling below 5%
What SES reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Shenzhen UZ Energy Co Ltd
A company bought · acquisition · Aug 2025 · owns, named in the 10-K filed Mar 4, 2026
13 subsidiaries in 5 countries, from the list filed with the 10-K filed Mar 4, 2026.
Insider tradesForm 4
6sales
0purchases
6sales on a scheduled plan
2people selling
$1.2Msold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Oct 7, 2025 to Oct 7, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Oct 7, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window2 of 40 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Gan Hong | CHIEF SCIENCE OFFICER | 4 | $1.1M | 4 | 0 | $0 |
| Pilkington Kyle | CHIEF LEGAL OFFICER | 2 | $100,000 | 2 | 0 | $0 |