Nextpower CFO sells 4,500 shares for $360K

Nextpower Inc.’s Chief Financial Officer executed a pre-planned sale of company shares under a Rule 10b5-1 trading plan, while retaining a substantial direct holding.

Rhea-AI Filing Summary

Nextpower Inc. (NXT) reported that its Chief Financial Officer, Charles D. Boynton, sold 4,500 shares of common stock on September 1, 2026, at $79.98 per share in an open-market transaction. The sale was effected pursuant to a Rule 10b5-1 trading plan adopted on June 13, 2025, and left him holding 354,000 shares directly.

Insider Trade Summary 10b5-1

Net Seller: 4,500 shares

Net Sell 1 txn

Insider BOYNTON CHARLES D

Role Chief Financial Officer

Sold 4,500 shs ($360K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	4,500	$79.98	$360K

Holdings After Transaction: Common Stock — 354,000 shares (Direct)

Footnotes (1)

1. F1. The sale reported in this Form 4 was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025.

Key Figures

Shares sold: 4,500 shares Sale price per share: $79.98 per share Approximate sale value: $359,910 +3 more

6 metrics

Shares sold 4,500 shares Common stock sold by the Chief Financial Officer on September 1, 2026

Sale price per share $79.98 per share Price for the 4,500 common shares sold on September 1, 2026

Approximate sale value $359,910 4,500 shares sold at $79.98 per share

Shares held after transaction 354,000 shares Direct common stock holdings of the Chief Financial Officer after the sale

Transaction date September 1, 2026 Date of reported common stock sale

10b5-1 plan adoption date June 13, 2025 Date the Rule 10b5-1 trading plan governing the sale was adopted

Key Terms

Rule 10b5-1 trading plan, beneficially owned, non-derivative

3 terms

Rule 10b5-1 trading plan regulatory

"The sale reported in this Form 4 was effected pursuant to a 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

beneficially owned regulatory

"total shares following transaction column reflects shares beneficially owned"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

non-derivative financial

"transaction involved a non-derivative security, the issuer’s common stock"

FAQ

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

Who from Nextpower Inc. (NXT) reported a transaction in this Form 4?

The filing reports a transaction by Charles D. Boynton, who serves as Chief Financial Officer of Nextpower Inc. He is identified as an officer and not as a director or ten percent owner in the ownership boxes.

What type of transaction did the NXT Chief Financial Officer report?

The Chief Financial Officer reported a sale of common stock, coded as a sale in open market or private transaction. It involved a non-derivative security (common stock) and reduced his direct holdings while keeping a significant remaining position.

How many Nextpower Inc. (NXT) shares did the CFO sell and at what price?

On September 1, 2026, the Chief Financial Officer sold 4,500 shares of Nextpower Inc. common stock at a price of $79.98 per share, as reported in the Form 4 transaction table for non-derivative securities.

What are the Chief Financial Officer’s holdings in NXT after the reported sale?

Following the reported sale, the Chief Financial Officer directly holds 354,000 shares of Nextpower Inc. common stock. This post-transaction holding is listed in the column for shares beneficially owned following the reported transaction.

Was the NXT CFO’s share sale made under a Rule 10b5-1 trading plan?

Yes. A footnote states the sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 13, 2025, and the form’s Rule 10b5-1 checkbox is affirmed as true.

What was the approximate dollar value of the NXT CFO’s reported stock sale?

The sale of 4,500 shares at $79.98 per share represents an approximate transaction value of $359,910. This is based on multiplying the reported number of shares sold by the reported per-share sale price.

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

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Available on EDGAR 09/02/2026 - 04:35 PM EDT Accepted by SEC EDGAR 09/02/2026 - 04:34 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

BOYNTON CHARLES D

(Last) (First) (Middle)

C/O NEXTPOWER INC.

6200 PASEO PADRE PARKWAY

(Street)

FREMONT CALIFORNIA 94555

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Nextpower Inc. [ NXT ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/01/2026

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

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

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

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/01/2026		S(1)		4,500(1)	D	$79.98	354,000	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The sale reported in this Form 4 was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025.

	/s/ Philip Reuther, as attorney-in-fact for Charles Boynton	09/02/2026
	** 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 4 (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 4: SEC 1474 (03-26)