Are insiders buying or selling SES AI Corp stock?

Based on the last 50 SEC Form 4 filings, SES AI Corp insiders made 0 open-market purchases and 6 open-market sales.

Where can I see SES AI Corp insider trading activity?

SEC Form 4 filings for SES AI Corp (SES) are publicly available on EDGAR and aggregated at form4api.com/companies/ses.

Company profile

SES AI Corp Insider Trading

Name: SES AI Corp Insider Trading Data
Creator: Form4API
License: https://www.sec.gov/privacy.htm

SES

Every SEC Form 4 insider trading filing for SES AI Corp (SES) since April 2023: open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?

Exchange: NYSE
Sector: Miscellaneous Electrical Machinery, Equipment & Supplies
CIK: 0001819142
Filings: 158
Insiders: 26
Last filing: 2026-09-01

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Activity summary

Recent insider activity is bearish. Over the last 30 days, insiders net sold $18K across 1 transaction.

Three year balance

Buy and sell value by quarter, Q4 23 to Q3 26. SES AI Corp insiders were net sellers in every quarter shown.

PurchasesSales

Bars below the rule are sales, above are purchases. Largest quarter on the chart is $8.2M.

90 day insight

Over the last 90 days, SES AI Corp insiders sold $18K across 1 transaction with no open-market purchases.

Most active insider: Kang Xu with 1 transaction totaling $18K.
Largest single sale: $18K by Kang Xu on Sep 1, 2026.

Activity skews bearish: sales outpace buys.

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

Date	Insider	Company	Type	Shares	Price	Value	Return
Sep 1, 2026	Kang Xu	SES	Tax Withholding	35,198	$0.52	$18K	+4.5% 1w
May 22, 2026	Kyle Pilkington	SES	Sale10b5	25,000	$1.20	$30K	-57.8% 3m
May 18, 2026	Andrew J Boyd	SES	Award	141,593	—	—	-51.3% 3m
May 18, 2026	Qichao Hu	SES	Award	1,504,425	—	—	-51.3% 3m
May 18, 2026	Yi Ray Liu	SES	Award	331,858	—	—	-51.3% 3m

45 more transactions hidden

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Query this yourself

The same rows, over the API.

curl "https://api.form4api.com/v1/transactions?ticker=SES" \
  -H "X-Api-Key: $KEY"

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Top insiders

By total value filed.

Hong GanCHIEF SCIENCE OFFICER14 filings−$1.3M

Qichao HuCEO & CHAIRMAN4 filings−$1.0M

Jing NealisCHIEF FINANCIAL OFFICER8 filings−$509K

Kyle PilkingtonCHIEF LEGAL OFFICER7 filings−$268K

Kang XuCHIEF TECHNOLOGY OFFICER4 filings−$166K

Institutional Ownership

Top 13F-HR holders of SES AI Corp as of 2026-06-30

↓ decreasing

Total reported AUM

$50.1M

QoQ change

-27.3%

Reporting period

2026-06-30

Artemis Investment Management LLP

CIK 0001535385

$13.7M

133K shares

BlackRock, Inc.

CIK 0002012383

$9.6M

10.0M shares

State Street Corp

CIK 0000093751

$9.2M

9.6M shares

Data source: quarterly 13F-HR filings: institutional holders report positions within 45 days of quarter end. Joined with insider activity above: see who's loading up institutionally while insiders are trading. Full 13F-HR API →