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sellWeak10b5-1 plan

Hong Gan sold $198k of SES

CHIEF SCIENCE OFFICER at SES AI Corp. 100,000 shares at an average of $1.98, traded Dec 15, 2025, filed Dec 16, 2025.

Warning score
0
Value
$198k
100,000 shares
Holdings after
1,253,286
-7% from before
From 52-week low
+415%
low $0.38, close $1.95
From 52-week high
-45%
high $3.54, as of Dec 15, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $198k at market
    +12
  • Share of holdings sold
    Sold 7.4% of holdings
    0
  • Cluster
    No other insider selling within 14 days
    0
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m +10.2%, 3m -40.8%, 6m -46.9%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

SESOct 12, 2026 · close 0.80
Since filing Dec 16, 2025: -59.2%SPY +15.8% · excess -75.0%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001907008-25-000005, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 15, 2025MOption exercise
Class A Common Stock10b5-1
+93,277$0.15$14k1,346,563Dec 16, 2025
Dec 15, 2025MOption exercise
Class A Common Stock10b5-1
+6,723$0.16$1,0761,353,286Dec 16, 2025
Dec 15, 2025SOpen-market sale
Class A Common Stock10b5-1
-100,000$1.98$198k1,253,286Dec 16, 2025
Dec 15, 2025MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-93,277$0.00$00Dec 16, 2025
Dec 15, 2025MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-6,723$0.00$01,179,832Dec 16, 2025

Related signals

Other insiders at SES AI Corp and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
0Weak
SESsell10b5-1
SES AI Corp
Kyle Pilkington
CHIEF LEGAL OFFICER
$30k
25,000 shares
-2%
0Weak
SESsell10b5-1
SES AI Corp
Kyle Pilkington
CHIEF LEGAL OFFICER
$30k
25,000 shares
-3%
5Weak
SESsell10b5-1
SES AI Corp
Hong Gan
CHIEF SCIENCE OFFICER
$625k
250,000 shares
-18%
0Weak
SESsell10b5-1
SES AI Corp
Hong Gan
CHIEF SCIENCE OFFICER
$285k
150,000 shares
-11%
10Weak
SESsell 210b5-1
SES AI Corp
Hong Gan
CHIEF SCIENCE OFFICER
$60k
51,600 shares
-6%
26Weak
SESsell 210b5-1
SES AI Corp
Qichao Hu
CEO & CHAIRMAN
$228k
194,459 shares
-7%
6Weak
SESsell 210b5-1
SES AI Corp
Jing Nealis
CHIEF FINANCIAL OFFICER
$153k
150,000 shares
-7%
34Weak
SESsell 2
SES AI Corp
Sk Inc.
owner
$292k
726,460 shares
-2%
35Weak
SESsell 2
SES AI Corp
Sk Inc.
owner
$363k
917,857 shares
-3%
24Weak
SESsell
SES AI Corp
Sk Inc.
owner
$181k
415,508 shares
-1%

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.

Hong Gan sold $198k of SES | InsiderTell