Ideal Power beneficial ownership reaches 9.99%

Ideal Power Inc. beneficial ownership filing: Laurence W. Lytton reports beneficial ownership of 1,210,047 shares of Common Stock, equal to 9.99% of the class as reported.

Accepted by SEC EDGAR 03/02/2026 - 12:12 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Ideal Power Inc. beneficial ownership filing: Laurence W. Lytton reports beneficial ownership of 1,210,047 shares of Common Stock, equal to 9.99% of the class as reported. The filing states this position includes warrants to purchase 631,332 shares and references February 25, 2026 share count of 12,089,389.

The filing details voting and dispositive powers: sole voting/dispositive power over 1,186,849 shares and shared voting/dispositive power over 23,198 shares. The schedule is signed by the reporting person on 02/27/2026.

Insights

Corporate Governance Analyst

Schedule 13G reports a near-10% beneficial stake including exercisable warrants.

The filing states a beneficial ownership of 1,210,047 shares representing 9.99% of the class, based on February 25, 2026 outstanding shares. It explicitly notes warrants to purchase 631,332 shares are part of the reported interest.

Holder rights are specified: sole voting/dispositive power over 1,186,849 shares and shared power over 23,198 shares. Subsequent disclosures may clarify whether warrants are exercisable or subject to the stated ownership limitation.

FAQ

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

What stake does Laurence W. Lytton report in Ideal Power (IPWR)?

Mr. Lytton reports beneficial ownership of 1,210,047 shares, equal to 9.99% of the class. The filing states the figure is based on February 25, 2026 outstanding shares of 12,089,389 as cited in a prospectus supplement.

Do the reported holdings include derivative securities for IPWR?

Yes; the filing states the reported position includes warrants to purchase 631,332 shares. The text ties those warrants to the reported beneficial ownership and a 9.99% ownership limitation.

How many shares does Mr. Lytton hold with sole voting power?

The filing shows sole voting power over 1,186,849 shares. It also discloses shared voting power over 23,198 shares, with corresponding dispositive powers listed in the schedule.

What is the reference date for the outstanding share count in the filing?

The filing references an outstanding share count of 12,089,389 as of February 25, 2026. That figure is cited from a prospectus supplement dated January 9, 2026 and filed on February 23, 2026.

When was the Schedule 13G signed by the reporting person?

The Schedule 13G is signed by Laurence W. Lytton and dated 02/27/2026. The signature block identifies him as the reporting person and provides the residential address shown in the filing.

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

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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Ideal Power Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

02/24/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP Number(s):

1

Names of Reporting Persons

LYTTON LAURENCE W

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 1,186,849.00
6	Shared Voting Power 23,198.00
7	Sole Dispositive Power 1,186,849.00
8	Shared Dispositive Power 23,198.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,210,047.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

9.9 %

12

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person: The shares of the Common Stock reported herein consist of 1,186,849 shares of Common Stock and warrants to purchase 631,332 shares of Common Stock, subject to a 9.99% beneficial ownership limitation. Percentage calculated based on 12,089,389 shares of Common Stock outstanding on February 25, 2026, as reported in the Prospectus Supplement to the Prospectus dated January 9, 2026 filed by the Issuer on February 23, 2026.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Ideal Power Inc.
(b)	Address of issuer's principal executive offices: 5508 Highway 290 West, Suite 120, Austin TX 78735
Item 2.
(a)	Name of person filing: Laurence W. Lytton
(b)	Address or principal business office or, if none, residence: 467 Central Park West New York, NY 10025
(c)	Citizenship: USA
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 451622203
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 1,210,047
(b)	Percent of class: 9.99%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 1,186,849
	(ii) Shared power to vote or to direct the vote: 23,198
	(iii) Sole power to dispose or to direct the disposition of: 1,186,849
	(iv) Shared power to dispose or to direct the disposition of: 23,198
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

LYTTON LAURENCE W

Signature:	/s/ Laurence W. Lytton
Name/Title:	Reporting Person
Date:	02/27/2026