Changes in Beneficial Ownership · 4

Nextpower Inc.

NXTNASDAQEQUITYCurrent

Changes in Beneficial Ownership

Filed Sep 2, 2026Accepted Sep 2, 2026, 4:34 PM EDTFiling CIK 1852131Accession 0000950103-26-013492

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Structured filing — 4

ownership.xml

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Filing details

Report period: 2026-09-01
Issuer: Nextpower Inc.
Issuer CIK: 0001852131
Trading symbol: NXT
Rule 10b5-1 indication: Checked

Reporting owner 1

Name: BOYNTON CHARLES D
Reporting owner CIK: 0001181212
Relationship: Officer
Officer title: Chief Financial Officer
Address: C/O NEXTPOWER INC., 6200 PASEO PADRE PARKWAY, FREMONT, CA, 94555

Non-derivative transactions

Non-derivative transactions · 1 reported row
Security	Transaction date	Code	Amount	A / D	Price (USD)	Owned after	Ownership
Common Stock	2026-09-01	S · Form 4^[F1]	4,500^[F1]	D	79.98	354,000	D

Table key

S · Form 4: Sale on the market or privately
D: Direct

Footnotes

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.↩ 1 ↩ 2

Signature 1

Signed: /s/ Philip Reuther, as attorney-in-fact for Charles Boynton
Date: 2026-09-02

Company context

Nextpower™ (Nasdaq: NXT) innovates and delivers integrated technology solutions for modern energy infrastructure. Its solar and energy storage platforms help customers design, build, and operate utility-scale power plants and other critical power infrastructure with faster project delivery, improved system performance, greater reliability, and long-term operational value. Building on more than a decade of energy technology leadership, Nextpower partners with customers worldwide to accelerate the deployment of reliable firm power needed for a rapidly electrifying world. Learn more at www.nextpower.com.

Current securities

NXTNASDAQ · EQUITY · Current

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