SES SES AI Corporation
SES AI Corporation (SES) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
How much of that selling was preplanned? 100% planned / 0% discretionary
Largest single sale: $374.4K.
Where they traded
No open-market insider purchase on record.
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| Pilkington Kyle | CHIEF LEGAL OFFICER | Sell 10b5-1 | 25,000 | $1.20 | $30.0K | 1,023,548 −2.4% of holding | |
| Pilkington Kyle | CHIEF LEGAL OFFICER | Sell 10b5-1 | 25,000 | $1.20 | $30.0K | 780,203 −3.1% of holding | |
| Gan Hong | CHIEF SCIENCE OFFICER | Sell 10b5-1 | 100,000 | $2.50 | $250.3K | 1,253,286 −7.4% of holding | |
| Gan Hong | CHIEF SCIENCE OFFICER | Sell 10b5-1 | 150,000 | $2.50 | $374.4K | 1,253,286 −10.7% of holding | |
| Gan Hong | CHIEF SCIENCE OFFICER | Sell 10b5-1 | 100,000 | $1.98 | $197.9K | 1,253,286 −7.4% of holding | |
| Gan Hong | CHIEF SCIENCE OFFICER | Sell 10b5-1 | 150,000 | $1.90 | $285.2K | 1,253,286 −10.7% of holding |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.