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Insider · CIK 0001907008

Hong Gan

officer

Files at SES (SES AI Corp). First filing Feb 11, 2025, latest Jan 23, 2026.

In brief

Hong Gan files SEC Form 4 as officer at SES (SES AI Corp). Since Feb 11, 2025, Hong Gan has reported 0 open-market buys worth $0 and 4 open-market sells worth $1.2M, the latest filed on Jan 23, 2026.

A track record needs three past buys with six months of prices behind them; Hong Gan has 0, so none is measured yet.

The newest scored trade: sold $625k of SES on Jan 22, 2026, filed Jan 23, 2026, scored 5 (weak), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 3 sells worth $1.1M.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 4
$0 bought, $1.2M sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

SES: SES AI Corp

SESOct 9, 2026 · close 0.78

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

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
5Weak
SESsell10b5-1
SES AI Corp
$625k
250,000 shares
-18%+538% from low-27% from high
0Weak
SESsell10b5-1
SES AI Corp
$198k
100,000 shares
-7%+415% from low-45% from high
0Weak
SESsell10b5-1
SES AI Corp
$285k
150,000 shares
-11%+563% from low-47% from high
10Weak
SESsell 210b5-1
SES AI Corp
$60k
51,600 shares
-6%-

Planned sales

Form 144 notices this insider filed before selling restricted or control stock, newest first.

FiledCompanySharesValueSale datePast 3 months
Jun 8, 2026 SES
SES AI Corporation
150,000
0.05% of outstanding
$177kJun 8, 2026none
Jan 22, 2026 SES
SES AI Corporation
250,000
0.08% of outstanding
$590kJan 22, 2026$483k
Nov 17, 2025 SES
SES AI Corporation
250,000
0.08% of outstanding
$498kNov 17, 2025none
Feb 6, 2025 SES
SES AI CORP
49,590
0.02% of outstanding
$60kFeb 10, 2025none

Transactions

Every row this insider has filed, 21 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Apr 14, 2026SES
SES AI Corp
FTax withholding
Class A Common Stock
-32,138$1.10$35k1,031,576Apr 16, 2026
Mar 27, 2026SES
SES AI Corp
FTax withholding
Class A Common Stock
-74,682$0.99$74k1,063,714Mar 31, 2026
Feb 9, 2026SES
SES AI Corp
FTax withholding
Class A Common Stock
-63,290$1.99$126k1,138,396Feb 10, 2026
Jan 22, 2026SES
SES AI Corp
MOption exercise
Class A Common Stock10b5-1
+150,000$0.16$24k1,403,286Jan 23, 2026
Jan 22, 2026SES
SES AI Corp
SOpen-market sale
Class A Common Stock10b5-1
-150,000$2.50$374k1,253,286Jan 23, 2026
Jan 23, 2026SES
SES AI Corp
MOption exercise
Class A Common Stock10b5-1
+100,000$0.16$16k1,353,286Jan 23, 2026
Jan 23, 2026SES
SES AI Corp
SOpen-market sale
Class A Common Stock10b5-1
-100,000$2.50$250k1,253,286Jan 23, 2026
Jan 22, 2026SES
SES AI Corp
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-150,000$0.00$01,029,832Jan 23, 2026
Jan 23, 2026SES
SES AI Corp
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-100,000$0.00$0929,832Jan 23, 2026
Dec 15, 2025SES
SES AI Corp
MOption exercise
Class A Common Stock10b5-1
+93,277$0.15$14k1,346,563Dec 16, 2025
Dec 15, 2025SES
SES AI Corp
MOption exercise
Class A Common Stock10b5-1
+6,723$0.16$1,0761,353,286Dec 16, 2025
Dec 15, 2025SES
SES AI Corp
SOpen-market sale
Class A Common Stock10b5-1
-100,000$1.98$198k1,253,286Dec 16, 2025
Dec 15, 2025SES
SES AI Corp
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-93,277$0.00$00Dec 16, 2025
Dec 15, 2025SES
SES AI Corp
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-6,723$0.00$01,179,832Dec 16, 2025
Nov 17, 2025SES
SES AI Corp
MOption exercise
Class A Common Stock10b5-1
+150,000$0.15$23k1,403,286Nov 18, 2025
Nov 17, 2025SES
SES AI Corp
SOpen-market sale
Class A Common Stock10b5-1
-150,000$1.90$285k1,253,286Nov 18, 2025
Nov 17, 2025SES
SES AI Corp
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-150,000$0.00$093,277Nov 18, 2025
Apr 17, 2025SES
SES AI Corp
FTax withholding
Class A Common Stock
-30,926$0.62$19k1,294,580Apr 18, 2025
Apr 18, 2025SES
SES AI Corp
FTax withholding
Class A Common Stock
-41,294$0.69$28k1,253,286Apr 18, 2025
Mar 28, 2025SES
SES AI Corp
AGrant or award
Class A Common Stock
+500,000$0.00$01,325,506Apr 1, 2025
Feb 10, 2025SES
SES AI Corp
SOpen-market sale
Class A Common Stock10b5-1
-51,600$1.17$60k773,906Feb 11, 2025

Questions about Hong Gan

Answered from the filings on this page, as of the latest one.

Is Hong Gan buying or selling?

In the last 12 months Hong Gan reported 0 open-market buys worth $0 and 3 open-market sells worth $1.1M on SEC Form 4; the latest was sold $625k of SES on Jan 22, 2026. Grants, option exercises and tax withholding are not counted.

How did Hong Gan's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Hong Gan has 0.

Where does Hong Gan file Form 4?

Hong Gan has filed Form 4 at SES (SES AI Corp) as CHIEF SCIENCE OFFICER. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

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: insider trades and track record | InsiderTell