SES files sale of 250,000 Class A shares

SES filing reports the planned sale of 250,000 shares of Class A Common stock to be sold on 06/02/2026 pursuant to an exercise of options under a registered plan with cash proceeds.

Rhea-AI Filing Summary

SES filing reports the planned sale of 250,000 shares of Class A Common stock to be sold on 06/02/2026 pursuant to an exercise of options under a registered plan with cash proceeds. The filing also discloses a prior sale of 96,069 shares on 05/27/2026 for $125,221.51.

Insights

Equity Capital Markets Analyst

Rule 144-style transaction: large planned resale following option exercise.

The filing lists a planned sale of 250,000 shares on 06/02/2026

This represents a straightforward disposition tied to an exercise of options under a registered plan; cash proceeds are indicated. Subsequent filings will show actual execution details and any change in holdings.

Insider Transactions Specialist

Recent activity includes a completed sale of 96,069 shares for $125,221.51.

The record shows a sale on 05/27/2026 of 96,069 shares realizing $125,221.51. The excerpt ties the upcoming sale to option exercise and cash settlement.

These are routine, disclosure-driven transactions; follow-up filings will confirm settlement and post-transaction holdings.

Key Figures

Planned shares to be sold: 250,000 shares Prior shares sold: 96,069 shares Proceeds from prior sale: $125,221.51

3 metrics

Planned shares to be sold 250,000 shares to be sold on 06/02/2026 via exercise of options under a registered plan

Prior shares sold 96,069 shares sold on 05/27/2026 by JING L NEALIS

Proceeds from prior sale $125,221.51 aggregate proceeds for the 96,069-share sale on 05/27/2026

Key Terms

exercise of options under a registered plan, Class A Common, Form 144

3 terms

exercise of options under a registered plan financial

"Exercise of options under a registered plan"

Class A Common financial

"Class A Common | 06/02/2026"

Form 144 regulatory

"form_type: "144""

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does SES Form 144 disclose about share sales?

The filing discloses a planned sale of 250,000 shares on 06/02/2026 tied to an exercise of options under a registered plan. It also reports a prior sale of 96,069 shares on 05/27/2026 for $125,221.51.

Who appears to be selling SES shares under this filing?

The excerpt lists the issuer as the source for the planned 250,000-share sale via option exercise. A named individual, JING L NEALIS, is shown for the prior 96,069-share sale on 05/27/2026.

What method and proceeds are reported for the planned SES sale?

The planned sale is described as resulting from an exercise of options under a registered plan and the settlement method is listed as Cash. The filing does not state the exact cash proceeds amount for the planned sale.

How much did SES shares sell for on May 27, 2026?

The filing records a sale of 96,069 shares on 05/27/2026 with aggregate proceeds of $125,221.51. The per-share price is not separately broken out in the provided excerpt.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/02/2026 - 04:18 PM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001907020
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	SES AI CORPORATION
SEC File Number	001-39845
Address of Issuer	35 CABOT RD. WOBURN MASSACHUSETTS 01801
Phone	339-298-8750
Name of Person for Whose Account the Securities are To Be Sold	JING L NEALIS
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Former Affiliate

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Class A Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	250000	353625.00	325402113	06/02/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Class A Common	06/02/2026	Exercise of options under a registered plan	Issuer			250000	06/02/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
JING L NEALIS 35 CABOT RD. WOBURN MA 01801	Class A Common	05/27/2026	96069	125221.51

144: Remarks and Signature

Remarks
Date of Notice	06/02/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Jing Nealis
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)