SES AI CFO Liu Yi Ray files Form 3

SES AI Corp filed a Form 3 identifying Liu Yi Ray as its chief financial officer and reporting person.

Rhea-AI Filing Summary

SES AI Corp filed a Form 3 identifying Liu Yi Ray as its chief financial officer and reporting person. The filing shows no reported purchases, sales, gifts, exercises, or other insider transactions, and no derivative positions or holdings are listed in this initial statement.

Key Figures

Buy transactions: 0 transactions / 0 shares Sell transactions: 0 transactions / 0 shares Derivative transactions: 0 transactions / 0 shares exercised +1 more

4 metrics

Buy transactions 0 transactions / 0 shares Transaction summary for Form 3

Sell transactions 0 transactions / 0 shares Transaction summary for Form 3

Derivative transactions 0 transactions / 0 shares exercised Transaction summary for Form 3

Holding entries 0 entries Transaction summary for Form 3

Key Terms

reporting person, transaction summary, derivative transactions

3 terms

reporting person financial

"The reporting person is Liu Yi Ray, identified as chief financial officer."

transaction summary financial

"The transaction summary lists zero buy, sell, acquire, dispose, gift and other transactions."

derivative transactions financial

"The transaction summary shows zero derivative transactions and zero exercised shares."

Derivative transactions are contracts whose value depends on the price or performance of something else—like stocks, bonds, currencies, interest rates or commodities. Think of them as insurance or bets about a future price: investors use them to protect against losses, lock in prices, or try to amplify returns, but they can also magnify losses, create cash demands and expose a firm to the risk that the other party won’t meet its obligation, so they can materially affect a company’s financial stability and volatility.

FAQ

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

Who is the reporting person in SES (SES) Form 3?

The reporting person is Liu Yi Ray, identified as the chief financial officer of SES AI Corp. This Form 3 establishes Liu’s status as an officer and reporting person, with no insider transactions or holdings disclosed in the summarized data.

Does SES (SES) Form 3 show any insider share purchases or sales?

No insider share purchases or sales are shown. The transaction summary lists zero buy, sell, acquire, dispose, gift, tax withholding, and restructuring transactions, indicating no reportable trading activity at the time reflected in this Form 3 data.

Are any derivative securities reported in SES AI Corp Form 3 for Liu Yi Ray?

No derivative securities are reported. The derivative summary is empty and the transaction summary shows zero derivative transactions and zero exercised shares, meaning there are no listed options, warrants, or similar instruments for Liu Yi Ray in this filing excerpt.

What does the transaction summary indicate in SES (SES) Form 3?

The transaction summary indicates no reportable activity, with all counts and share amounts for buys, sells, exercises, gifts, tax withholding, and restructurings at zero. Net buy/sell direction is described as neutral, consistent with the absence of any reported transactions.

Does SES AI Corp Form 3 disclose any holding entries for Liu Yi Ray?

No holding entries are disclosed in the provided data. The transaction summary lists holdingEntries as zero, and there are no separate non-derivative or derivative holding lines, so no specific share balances are presented for Liu Yi Ray in this excerpt.

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

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Accepted by SEC EDGAR 05/06/2026 - 04:01 PM EDT Learn about SEC filing dates

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Liu Yi Ray

(Last) (First) (Middle)

C/O SES AI CORPORATION

35 CABOT RD

(Street)

WOBURN MASSACHUSETTS 01801

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
04/27/2026

3. Issuer Name and Ticker or Trading Symbol
SES AI Corp [ SES ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CHIEF FINANCIAL OFFICER

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

No securities are beneficially owned.

	/s/ Kyle Pilkington, Attorney-in-Fact	05/06/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)