SES Form 144: 25,000-Share RSU Disposal

SES reports a Form 144 disclosing the disposition of 25,000 shares of Common Stock associated with Restricted Stock Units dated 02/09/2025.

Rhea-AI Filing Summary

SES reports a Form 144 disclosing the disposition of 25,000 shares of Common Stock associated with Restricted Stock Units dated 02/09/2025. The filing shows a 10b5-1 sale by KYLE H PILKINGTON of 25,000 shares on 03/09/2026.

Insights

Corporate Governance Specialist

Form 144 records an insider disposition of RSU-derived shares under a 10b5-1 plan.

The filing lists 25,000 shares of Common stock tied to Restricted Stock Units dated 02/09/2025 and a reported 10b5-1 sale of 25,000 shares on 03/09/2026. The record links the transaction to KYLE H PILKINGTON.

Timing and proceeds details beyond the listed dates and share counts are not shown in the excerpt; subsequent filings would state execution pricing and gross proceeds if disclosed.

Key Figures

Shares to be sold: 25,000 shares Sale reported: 25,000 shares Form type: Form 144

3 metrics

Shares to be sold 25,000 shares Restricted Stock Units dated 02/09/2025

Sale reported 25,000 shares 10b5-1 sale on 03/09/2026

Form type Form 144 SEC notice of proposed sale by an affiliate

Key Terms

Restricted Stock Units, 10b5-1 sales, Form 144

3 terms

Restricted Stock Units financial

"Restricted Stock Units | Issuer | 25000 | 02/09/2025"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

10b5-1 sales regulatory

"10b5-1 Sales for KYLE H PILKINGTON ... Common | 03/09/2026 | 25000"

10b5-1 sales are pre-arranged stock-trading plans that let company insiders automatically buy or sell shares according to a fixed schedule or formula, even if they later learn confidential information. Think of it as setting up an automatic thermostat for trades: it creates a clear, documented path that can protect insiders from insider-trading accusations and gives investors a signal about predictable insider activity—though it can also simply be a way for insiders to diversify or raise cash.

Form 144 regulatory

"Filer Information ... 144: Securities To Be Sold"

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 the SES Form 144 disclose about the transaction?

The Form 144 discloses a disposition of 25,000 shares of Common stock tied to Restricted Stock Units dated 02/09/2025. It shows a 10b5-1 sale by KYLE H PILKINGTON on 03/09/2026.

Who is listed as the seller on the SES Form 144?

The filing lists KYLE H PILKINGTON as associated with the 10b5-1 sale. The document connects the sale to RSUs granted on 02/09/2025, with the reported sale date of 03/09/2026.

How many RSU-derived shares are being disposed according to the filing?

The Form 144 shows the disposition of 25,000 shares of Common stock associated with Restricted Stock Units. The RSUs are dated 02/09/2025 and the sale date reported is 03/09/2026.

Does the excerpt state the sale proceeds or price per share?

The provided excerpt does not state an explicit sale price or aggregate proceeds tied to the reported 25,000-share transaction. The filing lists dates and share counts but not execution pricing in the visible text.

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

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 05/22/2026 - 04:31 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	0001937313
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 Road Woburn MASSACHUSETTS 01801
Phone	3392988750
Name of Person for Whose Account the Securities are To Be Sold	KYLE H PILKINGTON
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	Officer

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
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	25000	28750.00	322742539	05/22/2026	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 *
Common	02/09/2025	Restricted Stock Units	Issuer			25000	02/09/2025	N/A

* 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
10b5-1 Sales for KYLE H PILKINGTON 35 Cabot Road Woburn MA 01801	Common	03/09/2026	25000	30000.00

144: Remarks and Signature

Remarks
Date of Notice	05/22/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	11/12/2025
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/ Kyle H Pilkington
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)