SES AI Corporation (SES) Insider Trading

Last 12 months

Insiders sold $1.17M and bought nothing on the open market.

All of the selling was scheduled in advance under 10b5-1 plans. The last open-market buy by an executive or director was in Jun 2022.

Net open-market

−$1.17M

0 buys · 5 sales

Under a 10b5-1 plan

100%

of the value sold

Insiders who bought / sold

0 / 2

executives and directors

Last open-market buy

Jun 2022

Jun 14, 2022

Get an email when SES's executives or directors buy, or make a large sale outside a plan.

Trades · last 2 years

Date	Insider	Trade	Shares	Price	Value	Of their stake	Filing
May 22	Kyle Pilkington CHIEF LEGAL OFFICER	Sold10b5-1 plan	25,000	$1.20	$30k	2.4%	Form 4
Mar 9	Kyle Pilkington CHIEF LEGAL OFFICER	Sold10b5-1 plan	25,000	$1.20	$30k	3.1%	Form 4
Jan 22 – 23	Hong Gan CHIEF SCIENCE OFFICER	Sold10b5-1 plan 2 parts	250,000	$2.50 average	$625k	17%	Form 4
Dec 15, 2025	Hong Gan CHIEF SCIENCE OFFICER	Sold10b5-1 plan	100,000	$1.98	$198k	7.4%	Form 4
Nov 17, 2025	Hong Gan CHIEF SCIENCE OFFICER	Sold10b5-1 plan	150,000	$1.90	$285k	11%	Form 4
Feb 10, 2025	Kyle Pilkington CHIEF LEGAL OFFICER	Sold10b5-1 plan	44,051	$1.17	$52k	8.1%	Form 4
Feb 10, 2025	Gang Li CHIEF MANUFACTURING OFFICER	Sold10b5-1 plan	15,909	$1.17	$19k	6.6%	Form 4
Feb 10, 2025	Hong Gan CHIEF SCIENCE OFFICER	Sold10b5-1 plan	51,600	$1.17	$60k	6.3%	Form 4
Feb 10, 2025	Jing Nealis CHIEF FINANCIAL OFFICER	Sold10b5-1 plan	80,992	$1.17	$95k	4.2%	Form 4
Feb 10, 2025	Qichao Hu CEO & CHAIRMAN	Sold10b5-1 plan	194,459	$1.17	$228k	6.5%	Form 4
Feb 10, 2025	Kang Xu CHIEF TECHNOLOGY OFFICER	Sold10b5-1 plan	27,969	$1.17	$33k	5.9%	Form 4
Jan 16, 2025	Jing Nealis CHIEF FINANCIAL OFFICER	Sold10b5-1 plan	50,000	$1.02	$51k	2.5%	Form 4
Dec 26, 2024	Jing Nealis CHIEF FINANCIAL OFFICER	Sold10b5-1 plan	150,000	$1.02	$153k	7.2%	Form 4
Dec 17, 2024 – Dec 18, 2024	SK Inc. Large holder	SoldNo plan 2 parts	726,460	$0.40 average	$292k	2.2%	Form 4
Dec 13, 2024 – Dec 16, 2024	SK Inc. Large holder	SoldNo plan 2 parts	917,857	$0.40 average	$363k	2.7%	Form 4
Dec 11, 2024 – Dec 12, 2024	SK Inc. Large holder	SoldNo plan 2 parts	415,508	$0.43 average	$181k	1.2%	Form 4
Dec 9, 2024 – Dec 10, 2024	SK Inc. Large holder	SoldNo plan 2 parts	416,120	$0.48 average	$199k	1.2%	Form 4
Nov 15, 2024	General Motors Holdings LLC Large holder	SoldNo plan	13,332,000	$0.20	$2.67M	58%	Form 4
Nov 13, 2024 – Nov 14, 2024	SK Inc. Large holder	SoldNo plan 2 parts	550,000	$0.29 average	$160k	1.6%	Form 4
Nov 11, 2024	SK Inc. Large holder	SoldNo plan	170,248	$0.36	$61k	0.5%	Form 4
Nov 7, 2024 – Nov 8, 2024	SK Inc. Large holder	SoldNo plan 2 parts	257,220	$0.38 average	$98k	0.7%	Form 4
Nov 5, 2024 – Nov 6, 2024	SK Inc. Large holder	SoldNo plan 2 parts	204,461	$0.43 average	$88k	0.6%	Form 4
Nov 1, 2024 – Nov 4, 2024	SK Inc. Large holder	SoldNo plan 2 parts	347,794	$0.45 average	$157k	1.0%	Form 4
Oct 30, 2024 – Oct 31, 2024	SK Inc. Large holder	SoldNo plan 2 parts	21,450	$0.55 average	$12k	<0.1%	Form 4
Oct 28, 2024 – Oct 29, 2024	SK Inc. Large holder	SoldNo plan 2 parts	452,982	$0.57 average	$260k	1.2%	Form 4
Oct 25, 2024	SK Inc. Large holder	SoldNo plan	250,000	$0.58	$145k	0.7%	Form 4

May 2210b5-1 plan
Kyle Pilkington
CHIEF LEGAL OFFICER · sold 25,000 at $1.20
$30k
2.4% of stake
Mar 910b5-1 plan
Kyle Pilkington
CHIEF LEGAL OFFICER · sold 25,000 at $1.20
$30k
3.1% of stake
Jan 22 – 2310b5-1 plan
Hong Gan
CHIEF SCIENCE OFFICER · sold 250,000 at avg $2.50
$625k
17% of stake
Dec 15, 202510b5-1 plan
Hong Gan
CHIEF SCIENCE OFFICER · sold 100,000 at $1.98
$198k
7.4% of stake
Nov 17, 202510b5-1 plan
Hong Gan
CHIEF SCIENCE OFFICER · sold 150,000 at $1.90
$285k
11% of stake
Feb 10, 202510b5-1 plan
Kyle Pilkington
CHIEF LEGAL OFFICER · sold 44,051 at $1.17
$52k
8.1% of stake
Feb 10, 202510b5-1 plan
Gang Li
CHIEF MANUFACTURING OFFICER · sold 15,909 at $1.17
$19k
6.6% of stake
Feb 10, 202510b5-1 plan
Hong Gan
CHIEF SCIENCE OFFICER · sold 51,600 at $1.17
$60k
6.3% of stake
Feb 10, 202510b5-1 plan
Jing Nealis
CHIEF FINANCIAL OFFICER · sold 80,992 at $1.17
$95k
4.2% of stake
Feb 10, 202510b5-1 plan
Qichao Hu
CEO & CHAIRMAN · sold 194,459 at $1.17
$228k
6.5% of stake
Feb 10, 202510b5-1 plan
Kang Xu
CHIEF TECHNOLOGY OFFICER · sold 27,969 at $1.17
$33k
5.9% of stake
Jan 16, 202510b5-1 plan
Jing Nealis
CHIEF FINANCIAL OFFICER · sold 50,000 at $1.02
$51k
2.5% of stake
Dec 26, 202410b5-1 plan
Jing Nealis
CHIEF FINANCIAL OFFICER · sold 150,000 at $1.02
$153k
7.2% of stake
Dec 17, 2024 – Dec 18, 2024No plan
SK Inc.
Large holder · sold 726,460 at avg $0.40
$292k
2.2% of stake
Dec 13, 2024 – Dec 16, 2024No plan
SK Inc.
Large holder · sold 917,857 at avg $0.40
$363k
2.7% of stake
Dec 11, 2024 – Dec 12, 2024No plan
SK Inc.
Large holder · sold 415,508 at avg $0.43
$181k
1.2% of stake
Dec 9, 2024 – Dec 10, 2024No plan
SK Inc.
Large holder · sold 416,120 at avg $0.48
$199k
1.2% of stake
Nov 15, 2024No plan
General Motors Holdings LLC
Large holder · sold 13,332,000 at $0.20
$2.67M
58% of stake
Nov 13, 2024 – Nov 14, 2024No plan
SK Inc.
Large holder · sold 550,000 at avg $0.29
$160k
1.6% of stake
Nov 11, 2024No plan
SK Inc.
Large holder · sold 170,248 at $0.36
$61k
0.5% of stake
Nov 7, 2024 – Nov 8, 2024No plan
SK Inc.
Large holder · sold 257,220 at avg $0.38
$98k
0.7% of stake
Nov 5, 2024 – Nov 6, 2024No plan
SK Inc.
Large holder · sold 204,461 at avg $0.43
$88k
0.6% of stake
Nov 1, 2024 – Nov 4, 2024No plan
SK Inc.
Large holder · sold 347,794 at avg $0.45
$157k
1.0% of stake
Oct 30, 2024 – Oct 31, 2024No plan
SK Inc.
Large holder · sold 21,450 at avg $0.55
$12k
<0.1% of stake
Oct 28, 2024 – Oct 29, 2024No plan
SK Inc.
Large holder · sold 452,982 at avg $0.57
$260k
1.2% of stake
Oct 25, 2024No plan
SK Inc.
Large holder · sold 250,000 at $0.58
$145k
0.7% of stake

How to read this. Insiders sell for many reasons: taxes, diversifying, a house. Open-market buys are rarer and say more. A 10b5-1 plan is a trading schedule set up months in advance, so those sales were not timed on news. Large holders (funds and 10% owners) are listed under Everything but not counted as insiders. If you own or watch SES, we send a push when an executive buys or makes a large sale outside a plan.

Source: SEC Form 4 filings, filed within two business days of each trade and checked for new ones every hour.

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Spot a number that looks wrong? Check it in SES's SEC filings or

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Data sourced from SEC EDGAR filings and third-party price providers. Scores, valuations, and metrics are algorithmic estimates. This is not investment advice. See our Terms and Methodology.

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