SES
SES AI Corp · Manufacturing · Market cap $191.7M
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$1.2M
reported sales (SEC code S)
Unique Insiders
2
in the rolling window
Latest filing
Sep 3, 2026
Pilkington Kyle
SES AI Corp (SES) has 27 SEC Form 4 filings (33 transaction rows) in the rolling window, disclosed by 2 distinct insiders. Most recent filing: Sep 3, 2026.
Inside the rolling window, 2 insiders at SES AI Corp reported no open-market purchases and 6 open-market sales totaling $1.2M. The most active filer is CHIEF SCIENCE OFFICER Gan Hong with 4 filings. The most recent open-market filing is a sale of 25,000 shares by CHIEF LEGAL OFFICER Pilkington Kyle, dated May 22, 2026, worth $30K.
- Industry:Auto - Parts
- CEO:Qichao Hu
- Employees:215
- HQ:Woburn, MA, US
- IPO:2021-03-01
| Source | |||||||
|---|---|---|---|---|---|---|---|
| CHIEF LEGAL OFFICER | Sale | 25,000 | $30K | May 27 | -55.1% | SEC ↗ | |
Pilkington KyleFirst filing | CHIEF LEGAL OFFICER | Sale | 25,000 | $30K | Mar 11 | -55.8% | SEC ↗ |
| CHIEF SCIENCE OFFICER | Sale | 150,000 | $374K | Jan 23 | -76.3% | SEC ↗ | |
| CHIEF SCIENCE OFFICER | Sale | 100,000 | $250K | Jan 23 | -76.3% | SEC ↗ | |
| CHIEF SCIENCE OFFICER | Sale | 100,000 | $198K | Dec 16 | -70.9% | SEC ↗ | |
Gan HongFirst filing | CHIEF SCIENCE OFFICER | Sale | 150,000 | $285K | Nov 18 | -69.4% | SEC ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does SES have?
SES AI Corp (SES) has 27 SEC Form 4 filings (33 transaction rows) in the rolling 365-day window, disclosed by 2 distinct insiders. Most recent filing: Sep 3, 2026.
When was the most recent SEC Form 4 filing for SES?
The most recent Form 4 filing for SES on Tracefour is dated Sep 3, 2026.
Who is the most active insider at SES?
The most active SEC Form 4 filer at SES in the rolling window is CHIEF SCIENCE OFFICER Gan Hong, with 4 filings.
What is the net insider flow at SES over the last 6 months?
Over the trailing 180 days, insiders at SES have net sold $60K based on SEC Form 4 disclosures.
What is the total insider buy and sell value at SES in the current window?
Inside the rolling window, insiders at SES bought $0 and sold $1.2M based on SEC Form 4 filings.
Can I get alerts for SES insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at SES AI Corp (SES). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
SES AI Corp is in the Manufacturing sector.