SES AI Corp (SES) reports director Paul Diemer with no Form 3 share data

Rhea-AI Filing Summary

SES AI Corp identified Paul Diemer as a director and submitted an initial statement of ownership for him. The report lists no equity transactions, derivative positions, or specific share holdings for this reporting person at this time.

FAQ

What does the SES (SES AI Corp) Form 3 for Paul Diemer show?

It shows that Paul Diemer is a director of SES AI Corp and has filed an initial ownership report, but it does not list any specific share holdings or recent equity transactions.

Does the SES Form 3 for Paul Diemer report any stock purchases or sales?

No. The Form 3 for Paul Diemer shows no reported transactions, with zero buy, sell, exercise, or gift entries in the transaction summary data.

Are any derivative securities reported for Paul Diemer at SES (SES AI Corp)?

No. The derivative summary for Paul Diemer is empty, and the transaction summary lists zero derivative transactions or exercises associated with his initial ownership report.

Is Paul Diemer reported as a 10% owner of SES AI Corp (SES)?

No. In the reporting details, Paul Diemer is marked as a director but not as a 10% owner, indicating he is not classified as owning 10% or more of SES AI Corp.

Does the SES AI Corp Form 3 for Paul Diemer mention a Rule 10b5-1 plan?

No. The Form 3 data show the Rule 10b5-1 plan field as null, and there are no footnotes describing any pre-arranged trading plan for Paul Diemer.

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

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Available on EDGAR 08/13/2026 - 04:23 PM Accepted by SEC EDGAR 08/13/2026 - 04:23 PM 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
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hours per response:			0.5

1. Name and Address of Reporting Person^*

Diemer Paul

(Last) (First) (Middle)

C/O SES AI CORPORATION

35 CABOT ROAD

(Street)

WOBURN MASSACHUSETTS 01801

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
08/06/2026

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)

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

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/ /s/ Kyle Pilkington, Attorney-in-Fact	08/13/2026
	** 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)