NYSE · CIK 0001819142
SES SES AI Corp
Insider trading from SEC Form 4. Last filing 6 d ago. Close $0.78 on Oct 9, 2026, +56% from the 52-week low and -78% from the high.
SES AI Corp (SES) has 66 SEC Form 4 filings on file from 11 insiders, the latest filed on Oct 7, 2026. No insider bought or sold on the open market in the last 90 days; rows filed in that time are grants, exercises, tax withholding and other transactions that carry no view on the price.
25 open-market trades have been scored at SES. The newest: Kyle Pilkington (CHIEF LEGAL OFFICER) sold $30k of stock on Mar 9, 2026, filed Mar 11, 2026, scored 0 (weak), under a 10b5-1 plan. The largest of the 25 shown: General Motors Holdings LLC (10% owner) sold $2.7M on Nov 15, 2024, scored 65 (notable). 2 insiders sold within 14 days of each other around Feb 10, 2025.
SES closed at $0.78 on Oct 9, 2026, 56% above its 52-week low and 78% below its 52-week high.
10 Form 144 notices of planned sales are on file, the latest filed Nov 17, 2025.
Last 90 days
Price and insider trades, last year
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at SES AI Corp, scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 0Weak | Kyle Pilkington CHIEF LEGAL OFFICER sell | $30k 25,000 shares | -3% | +190% from low-67% from high | |
| 5Weak | Hong Gan CHIEF SCIENCE OFFICER sell | $625k 250,000 shares | -18% | +538% from low-27% from high | |
| 0Weak | Hong Gan CHIEF SCIENCE OFFICER sell | $198k 100,000 shares | -7% | +415% from low-45% from high | |
| 0Weak | Hong Gan CHIEF SCIENCE OFFICER sell | $285k 150,000 shares | -11% | +563% from low-47% from high | |
| 10Weak | Hong Gan CHIEF SCIENCE OFFICER sell | $60k 51,600 shares | -6% | - | |
| 26Weak | Qichao Hu CEO & CHAIRMAN sell | $228k 194,459 shares | -7% | - | |
| 6Weak | Jing Nealis CHIEF FINANCIAL OFFICER sell | $153k 150,000 shares | -7% | - | |
| 34Weak | Sk Inc. owner sell | $292k 726,460 shares | -2% | - | |
| 35Weak | Sk Inc. owner sell | $363k 917,857 shares | -3% | - | |
| 24Weak | Sk Inc. owner sell | $181k 415,508 shares | -1% | - | |
| 24Weak | Sk Inc. owner sell | $199k 416,120 shares | -1% | - | |
| 65Notable | General Motors Holdings LLC owner sell | $2.7M 13,332,000 shares | -58% | - | |
| 31Weak | Sk Inc. owner sell | $160k 550,000 shares | -2% | - | |
| 27Weak | Sk Inc. owner sell | $61k 170,248 shares | -0% | - | |
| 30Weak | Sk Inc. owner sell | $98k 257,220 shares | -1% | - | |
| 29Weak | Sk Inc. owner sell | $88k 204,461 shares | -1% | - | |
| 31Weak | Sk Inc. owner sell | $157k 347,794 shares | -1% | - | |
| 12Weak | Sk Inc. owner sell | $12k 21,450 shares | -0% | - | |
| 25Weak | Sk Inc. owner sell | $260k 452,982 shares | -1% | - | |
| 27Weak | Sk Inc. owner sell | $325k 540,703 shares | -1% | - | |
| 30Weak | Sk Inc. owner sell | $528k 788,290 shares | -2% | - | |
| 31Weak | Sk Inc. owner sell | $589k 900,000 shares | -2% | - | |
| 27Weak | Sk Inc. owner sell | $364k 610,500 shares | -2% | - | |
| 29Weak | Sk Inc. owner sell | $471k 764,898 shares | -2% | - | |
| 27Weak | Sk Inc. owner sell | $358k 600,000 shares | -1% | - |
Planned sales
Form 144 notices filed before a sale of restricted or control stock, newest first. The sale itself usually reaches a Form 4 within days. All planned sales
| Filed | Seller | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Nov 17, 2025 | HONG GAN Officer | 250,000 0.08% of outstanding | $498k | Nov 17, 2025 | none |
| Feb 6, 2025 | Hong Gan Officer | 49,590 0.02% of outstanding | $60k | Feb 10, 2025 | none |
| Feb 6, 2025 | Qichao Hu Officer, Director, 10% Stockholder | 180,597 0.06% of outstanding | $217k | Feb 10, 2025 | none |
| Feb 6, 2025 | Gang Li Officer | 14,661 0.00% of outstanding | $18k | Feb 10, 2025 | none |
| Feb 6, 2025 | Jing Nealis Officer | 76,207 0.02% of outstanding | $91k | Feb 10, 2025 | $148k |
| Feb 6, 2025 | Kyle Pilkington Officer | 40,271 0.01% of outstanding | $48k | Feb 10, 2025 | none |
| Feb 6, 2025 | Kang Xu Officer | 24,471 0.01% of outstanding | $29k | Feb 7, 2025 | none |
| Jan 16, 2025 | JING NEALIS Officer | 50,000 0.02% of outstanding | $41k | Jan 16, 2025 | $153k |
| Dec 26, 2024 | JING NEALIS Officer | 150,000 0.05% of outstanding | $107k | Dec 26, 2024 | none |
| Nov 15, 2024 | General Motors Ventures LLC Owner | 13,332,000 4.25% of outstanding | $2.7M | Nov 15, 2024 | none |
Transactions
The newest 50 of 100 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Oct 5, 2026 | Paul Diemer director | AGrant or award Class A Common Stock | +320,000 | $0.00 | $0 | 320,000 | 6 d ago |
| Sep 1, 2026 | Kang Xu CHIEF TECHNOLOGY OFFICER | FTax withholding Class A Common Stock | -35,198 | $0.52 | $18k | 766,437 | 40 d ago |
| May 18, 2026 | Qichao Hu CEO & CHAIRMAN | AGrant or award Class A Common Stock | +1,504,425 | $0.00 | $0 | 5,449,607 | May 20, 2026 |
| May 18, 2026 | Andrew J Boyd director | AGrant or award Class A Common Stock | +141,593 | $0.00 | $0 | 437,889 | May 20, 2026 |
| Apr 14, 2026 | Qichao Hu CEO & CHAIRMAN | FTax withholding Class A Common Stock | -133,303 | $1.10 | $147k | 3,945,182 | Apr 16, 2026 |
| Apr 14, 2026 | Hong Gan CHIEF SCIENCE OFFICER | FTax withholding Class A Common Stock | -32,138 | $1.10 | $35k | 1,031,576 | Apr 16, 2026 |
| Mar 27, 2026 | Qichao Hu CEO & CHAIRMAN | FTax withholding Class A Common Stock | -310,446 | $0.99 | $307k | 4,078,485 | Mar 31, 2026 |
| Mar 27, 2026 | Jing Nealis CHIEF FINANCIAL OFFICER | FTax withholding Class A Common Stock | -163,968 | $0.99 | $162k | 2,342,088 | Mar 31, 2026 |
| Mar 27, 2026 | Kyle Pilkington CHIEF LEGAL OFFICER | FTax withholding Class A Common Stock | -60,452 | $0.99 | $60k | 719,751 | Mar 31, 2026 |
| Mar 27, 2026 | Kang Xu CHIEF TECHNOLOGY OFFICER | FTax withholding Class A Common Stock | -39,593 | $0.99 | $39k | 580,396 | Mar 31, 2026 |
| Mar 27, 2026 | Hong Gan CHIEF SCIENCE OFFICER | FTax withholding Class A Common Stock | -74,682 | $0.99 | $74k | 1,063,714 | Mar 31, 2026 |
| Mar 9, 2026 | Kyle Pilkington CHIEF LEGAL OFFICER | SOpen-market sale Class A Common Stock10b5-1 | -25,000 | $1.20 | $30k | 780,203 | Mar 11, 2026 |
| Feb 9, 2026 | Kyle Pilkington CHIEF LEGAL OFFICER | FTax withholding Class A Common Stock | -56,074 | $1.99 | $112k | 805,203 | Feb 10, 2026 |
| Feb 6, 2026 | Kang Xu CHIEF TECHNOLOGY OFFICER | FTax withholding Class A Common Stock | -35,063 | $1.88 | $66k | 619,989 | Feb 10, 2026 |
| Feb 9, 2026 | Hong Gan CHIEF SCIENCE OFFICER | FTax withholding Class A Common Stock | -63,290 | $1.99 | $126k | 1,138,396 | Feb 10, 2026 |
| Feb 9, 2026 | Qichao Hu CEO & CHAIRMAN | FTax withholding Class A Common Stock | -267,934 | $1.99 | $533k | 4,388,931 | Feb 10, 2026 |
| Feb 9, 2026 | Jing Nealis CHIEF FINANCIAL OFFICER | FTax withholding Class A Common Stock | -110,231 | $1.99 | $219k | 2,506,056 | Feb 10, 2026 |
| Jan 22, 2026 | Hong Gan CHIEF SCIENCE OFFICER | MOption exercise Class A Common Stock10b5-1 | +150,000 | $0.16 | $24k | 1,403,286 | Jan 23, 2026 |
| Jan 22, 2026 | Hong Gan CHIEF SCIENCE OFFICER | SOpen-market sale Class A Common Stock10b5-1 | -150,000 | $2.50 | $374k | 1,253,286 | Jan 23, 2026 |
| Jan 23, 2026 | Hong Gan CHIEF SCIENCE OFFICER | MOption exercise Class A Common Stock10b5-1 | +100,000 | $0.16 | $16k | 1,353,286 | Jan 23, 2026 |
| Jan 23, 2026 | Hong Gan CHIEF SCIENCE OFFICER | SOpen-market sale Class A Common Stock10b5-1 | -100,000 | $2.50 | $250k | 1,253,286 | Jan 23, 2026 |
| Jan 22, 2026 | Hong Gan CHIEF SCIENCE OFFICER | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -150,000 | $0.00 | $0 | 1,029,832 | Jan 23, 2026 |
| Jan 23, 2026 | Hong Gan CHIEF SCIENCE OFFICER | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -100,000 | $0.00 | $0 | 929,832 | Jan 23, 2026 |
| Dec 15, 2025 | Hong Gan CHIEF SCIENCE OFFICER | MOption exercise Class A Common Stock10b5-1 | +93,277 | $0.15 | $14k | 1,346,563 | Dec 16, 2025 |
| Dec 15, 2025 | Hong Gan CHIEF SCIENCE OFFICER | MOption exercise Class A Common Stock10b5-1 | +6,723 | $0.16 | $1,076 | 1,353,286 | Dec 16, 2025 |
| Dec 15, 2025 | Hong Gan CHIEF SCIENCE OFFICER | SOpen-market sale Class A Common Stock10b5-1 | -100,000 | $1.98 | $198k | 1,253,286 | Dec 16, 2025 |
| Dec 15, 2025 | Hong Gan CHIEF SCIENCE OFFICER | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -93,277 | $0.00 | $0 | 0 | Dec 16, 2025 |
| Dec 15, 2025 | Hong Gan CHIEF SCIENCE OFFICER | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -6,723 | $0.00 | $0 | 1,179,832 | Dec 16, 2025 |
| Nov 17, 2025 | Hong Gan CHIEF SCIENCE OFFICER | MOption exercise Class A Common Stock10b5-1 | +150,000 | $0.15 | $23k | 1,403,286 | Nov 18, 2025 |
| Nov 17, 2025 | Hong Gan CHIEF SCIENCE OFFICER | SOpen-market sale Class A Common Stock10b5-1 | -150,000 | $1.90 | $285k | 1,253,286 | Nov 18, 2025 |
| Nov 17, 2025 | Hong Gan CHIEF SCIENCE OFFICER | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -150,000 | $0.00 | $0 | 93,277 | Nov 18, 2025 |
| Sep 8, 2025 | Andrew J Boyd director | AGrant or award Class A Common Stock | +296,296 | $0.00 | $0 | 296,296 | Sep 10, 2025 |
| Sep 3, 2025 | Kang Xu CHIEF TECHNOLOGY OFFICER | FTax withholding Class A Common Stock | -39,238 | $1.09 | $43k | 655,052 | Sep 4, 2025 |
| Aug 18, 2025 | Jing Nealis CHIEF FINANCIAL OFFICER | FTax withholding Class A Common Stock | -15,691 | $1.08 | $17k | 2,616,287 | Aug 18, 2025 |
| Aug 8, 2025 | Kyle Pilkington CHIEF LEGAL OFFICER | FTax withholding Class A Common Stock | -5,452 | $1.13 | $6,161 | 861,277 | Aug 11, 2025 |
| Jul 16, 2025 | Jing Nealis CHIEF FINANCIAL OFFICER | FTax withholding Class A Common Stock | -15,691 | $0.98 | $15k | 2,631,978 | Jul 18, 2025 |
| Jun 16, 2025 | Jing Nealis CHIEF FINANCIAL OFFICER | FTax withholding Class A Common Stock | -15,691 | $0.96 | $15k | 2,647,669 | Jun 18, 2025 |
| May 16, 2025 | Jing Nealis CHIEF FINANCIAL OFFICER | FTax withholding Class A Common Stock | -15,691 | $0.94 | $15k | 2,663,360 | May 20, 2025 |
| Apr 17, 2025 | Hong Gan CHIEF SCIENCE OFFICER | FTax withholding Class A Common Stock | -30,926 | $0.62 | $19k | 1,294,580 | Apr 18, 2025 |
| Apr 17, 2025 | Qichao Hu CEO & CHAIRMAN | FTax withholding Class A Common Stock | -134,866 | $0.62 | $84k | 4,746,903 | Apr 18, 2025 |
| Apr 17, 2025 | Gang Li CHIEF MANUFACTURING OFFICER | FTax withholding Class A Common Stock | -20,753 | $0.62 | $13k | 353,720 | Apr 18, 2025 |
| Apr 17, 2025 | Jing Nealis CHIEF FINANCIAL OFFICER | FTax withholding Class A Common Stock | -35,410 | $0.62 | $22k | 2,732,567 | Apr 18, 2025 |
| Apr 17, 2025 | Kyle Pilkington CHIEF LEGAL OFFICER | FTax withholding Class A Common Stock | -25,293 | $0.62 | $16k | 871,287 | Apr 18, 2025 |
| Apr 18, 2025 | Hong Gan CHIEF SCIENCE OFFICER | FTax withholding Class A Common Stock | -41,294 | $0.69 | $28k | 1,253,286 | Apr 18, 2025 |
| Apr 18, 2025 | Qichao Hu CEO & CHAIRMAN | FTax withholding Class A Common Stock | -90,038 | $0.69 | $62k | 4,656,865 | Apr 18, 2025 |
| Apr 18, 2025 | Kyle Pilkington CHIEF LEGAL OFFICER | FTax withholding Class A Common Stock | -4,558 | $0.69 | $3,123 | 866,729 | Apr 18, 2025 |
| Apr 17, 2025 | Jing Nealis CHIEF FINANCIAL OFFICER | FTax withholding Class A Common Stock | -15,691 | $0.64 | $10k | 2,716,876 | Apr 18, 2025 |
| Apr 18, 2025 | Jing Nealis CHIEF FINANCIAL OFFICER | FTax withholding Class A Common Stock | -37,825 | $0.69 | $26k | 2,679,051 | Apr 18, 2025 |
| Apr 1, 2025 | Gang Li CHIEF MANUFACTURING OFFICER | AGrant or award Class A Common Stock | +150,000 | $0.00 | $0 | 374,473 | Apr 1, 2025 |
| Mar 28, 2025 | Jangwook Choi director | AGrant or award Class A Common Stock | +160,000 | $0.00 | $0 | 383,400 | Apr 1, 2025 |
Insiders
Everyone who has filed a Form 4 here.
- Andrew J Boyddirector
- Jangwook Choidirector
- Paul Diemerdirector
- Hong GanCHIEF SCIENCE OFFICER
- General Motors Holdings LLCowner
- Qichao HuCEO & CHAIRMAN
- Gang LiCHIEF MANUFACTURING OFFICER
- Jing NealisCHIEF FINANCIAL OFFICER
- Kyle PilkingtonCHIEF LEGAL OFFICER
- Sk Inc.owner
- Kang XuCHIEF TECHNOLOGY OFFICER
Questions about SES
Answered from the filings on this page, as of the latest one.
Are insiders buying SES?
No. In the last 90 days no insider at SES AI Corp bought or sold shares on the open market according to SEC Form 4 filings. The rows on file from that period are grants, exercises, tax withholding or other transactions, which carry no view on the price.
Who was the last insider to trade SES on the open market?
Kyle Pilkington (CHIEF LEGAL OFFICER) sold $30k of SES on Mar 9, 2026 and filed the Form 4 on Mar 11, 2026. InsiderTell scored 0 (weak), under a 10b5-1 plan.
How many insiders file Form 4 at SES AI Corp?
11 people have filed a Form 4 at SES AI Corp, among them Andrew J Boyd (director), Jangwook Choi (director), Paul Diemer (director). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.