MarketPeel
Insider Trading Intelligence
HG

Hong Gan

SES
CHIEF SCIENCE OFFICER · SES AI CORP · CIK 0001907008
FILING MIX · LIFETIME36%/64%
BUYS
29
SELLS
52
TOTAL VALUE
$2.75M
COMPANIES
1
ACTIVE SINCE
Apr 2022
HOLDINGS NOW
1,031,576
AVG SELL PX
$1.99
TRADE KIND
SHOWING 81 / 81
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
23 backtested trades · 8 horizons · 11 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Hong Gan, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d23+86.96%-6.07%+0.68%-6.75%-7.13%
14d23+82.61%-9.22%+0.39%-9.61%-7.47%
30d23+73.91%-13.70%-0.34%-13.37%-17.18%
60d23+78.26%-15.16%+1.42%-16.58%-23.36%
90d23+86.96%-20.03%+3.40%-23.43%-34.15%
180d23(2 pending)+85.71%-34.88%+9.17%-44.05%-54.37%
1y23(4 pending)+89.47%-37.35%+19.06%-56.42%-65.91%
2y23(5 pending)+94.44%-43.67%+46.32%-92.56%-90.55%
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
SES · 1,031,576 shares · as of Apr 14, 2026
0350,822701,6431,052,4651,403,2862023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 29 buys / 52 sellsCOVERAGE · 17 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
32,138$1.10$35.4K1,031,576Apr 14, 2026Apr 16, 2026View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
74,682$0.99$73.7K1,063,714Mar 27, 2026Mar 31, 2026View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
63,290$1.99$125.9K1,138,396Feb 9, 2026Feb 10, 2026View →
SES
SES AI CORP
PURCHASE
CHIEF SCIENCE OFFICER
100,000$0.16$16.0K1,353,286Jan 23, 2026Jan 23, 2026View →
SES
SES AI CORP
SALE10b5-1
10b5-1 plan
100,000$2.50$250.3K1,253,286Jan 23, 2026Jan 23, 2026View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
100,000929,832Jan 23, 2026Jan 23, 2026View →
SES
SES AI CORP
SALE10b5-1
10b5-1 plan
150,000$2.50$374.4K1,253,286Jan 22, 2026Jan 23, 2026View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
150,0001,029,832Jan 22, 2026Jan 23, 2026View →
SES
SES AI CORP
PURCHASE
CHIEF SCIENCE OFFICER
150,000$0.16$24.0K1,403,286Jan 22, 2026Jan 23, 2026View →
SES
SES AI CORP
PURCHASE
CHIEF SCIENCE OFFICER
93,277$0.15$14.0K1,346,563Dec 15, 2025Dec 16, 2025View →
SES
SES AI CORP
PURCHASE
CHIEF SCIENCE OFFICER
6,723$0.16$1.1K1,353,286Dec 15, 2025Dec 16, 2025View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
6,7231,179,832Dec 15, 2025Dec 16, 2025View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
93,2770Dec 15, 2025Dec 16, 2025View →
SES
SES AI CORP
SALE10b5-1
10b5-1 plan
100,000$1.98$197.9K1,253,286Dec 15, 2025Dec 16, 2025View →
SES
SES AI CORP
SALE10b5-1
10b5-1 plan
150,000$1.90$285.2K1,253,286Nov 17, 2025Nov 18, 2025View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
150,00093,277Nov 17, 2025Nov 18, 2025View →
SES
SES AI CORP
PURCHASE
CHIEF SCIENCE OFFICER
150,000$0.15$22.5K1,403,286Nov 17, 2025Nov 18, 2025View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
41,294$0.69$28.3K1,253,286Apr 18, 2025Apr 18, 2025View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
30,926$0.62$19.2K1,294,580Apr 17, 2025Apr 18, 2025View →
SES
SES AI CORP
PURCHASEGRANT
Stock grant
500,0001,325,506Mar 28, 2025Apr 1, 2025View →
SES
SES AI CORP
SALE10b5-1
10b5-1 plan
51,600$1.17$60.4K773,906Feb 10, 2025Feb 11, 2025View →
SES
SES AI CORP
PURCHASE
CHIEF SCIENCE OFFICER
25,000$0.15$3.8K850,506Jul 1, 2024Jul 2, 2024View →
SES
SES AI CORP
SALE10b5-1
10b5-1 plan
25,000$1.17$29.2K825,506Jul 1, 2024Jul 2, 2024View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
25,000243,277Jul 1, 2024Jul 2, 2024View →
SES
SES AI CORP
SALE10b5-1
10b5-1 plan
25,000$1.25$31.2K825,506Jun 3, 2024Jun 4, 2024View →
SES
SES AI CORP
PURCHASE
CHIEF SCIENCE OFFICER
25,000$0.15$3.8K850,506Jun 3, 2024Jun 4, 2024View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
25,000268,277Jun 3, 2024Jun 4, 2024View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
25,000293,277May 8, 2024May 9, 2024View →
SES
SES AI CORP
PURCHASE
CHIEF SCIENCE OFFICER
25,000$0.15$3.8K850,506May 8, 2024May 9, 2024View →
SES
SES AI CORP
SALE10b5-1
10b5-1 plan
25,000$1.42$35.6K825,506May 8, 2024May 9, 2024View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
27,327$1.34$36.6K825,506Apr 18, 2024Apr 22, 2024View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
22,168$1.49$33.0K852,833Apr 15, 2024Apr 17, 2024View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
25,000318,277Apr 1, 2024Apr 2, 2024View →
SES
SES AI CORP
PURCHASE
CHIEF SCIENCE OFFICER
25,000$0.15$3.8K900,001Apr 1, 2024Apr 2, 2024View →
SES
SES AI CORP
SALE10b5-1
10b5-1 plan
25,000$1.60$40.0K875,001Apr 1, 2024Apr 2, 2024View →
SES
SES AI CORP
PURCHASE
CHIEF SCIENCE OFFICER
25,000$0.15$3.8K900,001Mar 1, 2024Mar 4, 2024View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
25,000343,277Mar 1, 2024Mar 4, 2024View →
SES
SES AI CORP
SALE10b5-1
10b5-1 plan
25,000$1.69$42.3K875,001Mar 1, 2024Mar 4, 2024View →
SES
SES AI CORP
PURCHASEGRANT
Stock grant
423,728423,728Feb 9, 2024Feb 12, 2024View →
SES
SES AI CORP
PURCHASEGRANT
Stock grant
423,728875,001Feb 9, 2024Feb 12, 2024View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
25,000368,277Feb 1, 2024Feb 2, 2024View →
SES
SES AI CORP
PURCHASE
CHIEF SCIENCE OFFICER
25,000$0.15$3.8K476,273Feb 1, 2024Feb 2, 2024View →
SES
SES AI CORP
SALE10b5-1
10b5-1 plan
25,000$1.38$34.4K451,273Feb 1, 2024Feb 2, 2024View →
SES
SES AI CORP
SALE10b5-1
10b5-1 plan
25,000$1.85$46.2K451,273Jan 2, 2024Jan 3, 2024View →
SES
SES AI CORP
PURCHASE
CHIEF SCIENCE OFFICER
25,000$0.15$3.8K476,273Jan 2, 2024Jan 3, 2024View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
25,000393,277Jan 2, 2024Jan 3, 2024View →
SES
SES AI CORP
PURCHASE
CHIEF SCIENCE OFFICER
25,000$0.15$3.8K476,273Dec 5, 2023Dec 6, 2023View →
SES
SES AI CORP
SALE10b5-1
10b5-1 plan
25,000$2.28$57.1K451,273Dec 5, 2023Dec 6, 2023View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
25,000418,277Dec 5, 2023Dec 6, 2023View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
50,000443,277Sep 11, 2023Sep 13, 2023View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
50,000$2.19$109.4K451,273Sep 11, 2023Sep 13, 2023View →
SES
SES AI CORP
PURCHASE
CHIEF SCIENCE OFFICER
50,000$0.15$7.5K501,273Sep 11, 2023Sep 13, 2023View →
SES
SES AI CORP
PURCHASE
CHIEF SCIENCE OFFICER
50,000$0.15$7.5K501,273Aug 17, 2023Aug 18, 2023View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
50,000$2.13$106.3K451,273Aug 17, 2023Aug 18, 2023View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
50,000493,277Aug 17, 2023Aug 18, 2023View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
50,000$1.91$95.3K451,273Jun 9, 2023Jun 12, 2023View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
50,000543,277Jun 9, 2023Jun 12, 2023View →
SES
SES AI CORP
PURCHASE
CHIEF SCIENCE OFFICER
50,000$0.15$7.5K501,273Jun 9, 2023Jun 12, 2023View →
SES
SES AI CORP
SALE10b5-1
10b5-1 plan
37,261$1.65$61.5K451,273Apr 28, 2023May 2, 2023View →
SES
SES AI CORP
PURCHASEGRANT
Stock grant
209,205488,534Apr 14, 2023Apr 18, 2023View →
SES
SES AI CORP
PURCHASEGRANT
Stock grant
209,205209,205Apr 14, 2023Apr 18, 2023View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
15,0000Dec 2, 2022Dec 2, 2022View →
SES
SES AI CORP
PURCHASE
CHIEF SCIENCE OFFICER
15,000$0.14$2.1K294,329Dec 2, 2022Dec 2, 2022View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
15,000$4.82$72.3K279,329Dec 2, 2022Dec 2, 2022View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
9,233$4.95$45.7K279,329Nov 28, 2022Nov 29, 2022View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
9,23315,000Nov 28, 2022Nov 29, 2022View →
SES
SES AI CORP
PURCHASE
CHIEF SCIENCE OFFICER
9,233$0.14$1.3K288,562Nov 28, 2022Nov 29, 2022View →
SES
SES AI CORP
PURCHASE
CHIEF SCIENCE OFFICER
15,000$0.14$2.1K294,329Nov 25, 2022Nov 25, 2022View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
15,000$4.96$74.5K279,329Nov 25, 2022Nov 25, 2022View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
15,00024,233Nov 25, 2022Nov 25, 2022View →
SES
SES AI CORP
PURCHASE
CHIEF SCIENCE OFFICER
15,000$0.14$2.1K294,329Nov 23, 2022Nov 25, 2022View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
15,00039,233Nov 23, 2022Nov 25, 2022View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
15,000$4.60$69.1K279,329Nov 23, 2022Nov 25, 2022View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
15,00054,233Nov 21, 2022Nov 21, 2022View →
SES
SES AI CORP
PURCHASE
CHIEF SCIENCE OFFICER
15,000$0.14$2.1K294,329Nov 21, 2022Nov 21, 2022View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
15,000$4.52$67.9K279,329Nov 21, 2022Nov 21, 2022View →
SES
SES AI CORP
PURCHASE
CHIEF SCIENCE OFFICER
15,000$0.14$2.1K294,329Nov 17, 2022Nov 21, 2022View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
15,000$4.94$74.1K279,329Nov 17, 2022Nov 21, 2022View →
SES
SES AI CORP
SALE
CHIEF SCIENCE OFFICER
15,00069,233Nov 17, 2022Nov 21, 2022View →
SES
SES AI CORP
PURCHASEGRANT
Stock grant
279,329279,329Apr 18, 2022Apr 20, 2022View →
SES
SES AI CORP
PURCHASEGRANT
Stock grant
279,329279,329Apr 18, 2022Apr 20, 2022View →
Other insiders · SES
Loading peer insiders…
About this filer
CIK 0001907008
ROLE
CHIEF SCIENCE OFFICER
PRIMARY
SES
COMPANIES
1
ACTIVE SINCE
Apr 2022
MARKETPEEL · /INSIDER/0001907008DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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One short email. Insider buys, congressional trades, and plain-English analysis.

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