# EDGAR Filing Document

**Accession Number:** 0001425477
**File Stem:** 0000950103-26-007990
**Filing Date:** 2026-5
**Character Count:** 12437
**Document Hash:** 63c60bf5e1c5d642fae0c01f395f100a
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000950103-26-007990.hdr.sgml**: 20260528

**ACCESSION NUMBER**: 0000950103-26-007990

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260526

**FILED AS OF DATE**: 20260528

**DATE AS OF CHANGE**: 20260528

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** SHUGAR DANIEL S
- **CENTRAL INDEX KEY:** 0001425477

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-41617
- **FILM NUMBER:** 261038421

**MAIL ADDRESS:**
- **STREET 1:** 3939 NORTH FIRST STREET
- **CITY:** SAN JOSE
- **STATE:** CA
- **ZIP:** 95134
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Nextpower Inc.
- **CENTRAL INDEX KEY:** 0001852131
- **STANDARD INDUSTRIAL CLASSIFICATION:** SEMICONDUCTORS & RELATED DEVICES [3674]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0331

**BUSINESS ADDRESS:**
- **STREET 1:** 6200 PASEO PADRE PARKWAY
- **CITY:** FREMONT
- **STATE:** CA
- **ZIP:** 94555
- **BUSINESS PHONE:** 510-270-2500

**MAIL ADDRESS:**
- **STREET 1:** 6200 PASEO PADRE PARKWAY
- **CITY:** FREMONT
- **STATE:** CA
- **ZIP:** 94555

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Nextracker Inc.
- **DATE OF NAME CHANGE:** 20221116

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Nextracker LLC
- **DATE OF NAME CHANGE:** 20220215

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Nextracker Inc.
- **DATE OF NAME CHANGE:** 20210318

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

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] 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**<sup>*</sup><br>SHUGAR DANIEL S<br><sub>(Last) (First) (Middle)</sub><br>C/O NEXTPOWER INC.<br>6200 PASEO PADRE PARKWAY<br><sub>(Street)</sub><br>FREMONT, CA 94555<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-05-26 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_Chief Executive Officer_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Nextpower Inc. [ NXT ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2026-05-26 |  | M<sup>(1)</sup> |  | 55000<sup>(1)</sup> | A | $21 | 966679 | D |  |
| Common Stock | 2026-05-27 |  | J<sup>(2)</sup> |  | 1714<sup>(2)</sup> | D | 129.01<sup>(3)</sup> | 964965 | D |  |
| Common Stock | 2026-05-27 |  | J<sup>(2)</sup> |  | 2919<sup>(2)</sup> | D | 130.11<sup>(4)</sup> | 962046 | D |  |
| Common Stock | 2026-05-27 |  | J<sup>(2)</sup> |  | 2475<sup>(2)</sup> | D | 131.40<sup>(5)</sup> | 959571 | D |  |
| Common Stock | 2026-05-27 |  | J<sup>(2)</sup> |  | 4435<sup>(2)</sup> | D | 132.36<sup>(6)</sup> | 955136 | D |  |
| Common Stock | 2026-05-27 |  | J<sup>(2)</sup> |  | 3340<sup>(2)</sup> | D | 133.28<sup>(7)</sup> | 951796 | D |  |
| Common Stock | 2026-05-27 |  | J<sup>(2)</sup> |  | 6377<sup>(2)</sup> | D | 134.51<sup>(8)</sup> | 945419 | D |  |
| Common Stock | 2026-05-27 |  | J<sup>(2)</sup> |  | 17605<sup>(2)</sup> | D | 135.60<sup>(9)</sup> | 927814 | D |  |
| Common Stock | 2026-05-27 |  | J<sup>(2)</sup> |  | 13286<sup>(2)</sup> | D | 136.37<sup>(10)</sup> | 914528 | D |  |
| Common Stock | 2026-05-27 |  | J<sup>(2)</sup> |  | 2849<sup>(2)</sup> | D | 137.20<sup>(11)</sup> | 911679 | D |  |
| Common Stock |  |  |  |  |  |  |  | 18104<sup>(12)</sup> | I<sup>(12)</sup> | By Trust<sup>(12)</sup> |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Stock Option (Right to Buy)<sup>(1)</sup> | $21 | 2026-05-26 |  | M |  |  | 55000<sup>(1)</sup> | 2026-04-01<sup>(1)</sup> | 2027-03-15<sup>(1)</sup> | Common Stock | 55000<sup>(1)</sup> | $0.00 | 288571 | D |  |

---

### Footnotes:

(1) Reflects an award of performance-based options ("Performance Options") to purchase shares of the Issuer's common stock ("Common Stock") that vested and became exercisable as of April 1, 2026 upon the achievement of both a continuous service requirement and the achievement of certain Nextpower equity valuation growth conditions. These Performance Options contain unique restrictions which (i) provide a limited period of time following vesting to exercise such Performance Options (i.e., by no later than March 15, 2027) or otherwise such Performance Options terminate and (ii) cap the maximum "gain" value realizable by Mr. Shugar upon exercise of the total award of Performance Options at 250% of the aggregate exercise price (the "Max Benefit Limit").

(2) The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on December 3, 2025. A portion of this sale includes the sale of shares of Common Stock required to be sold in order to satisfy the exercise price and tax withholding obligations in connection with the exercise of the Performance Options.

(3) The price reported in Column 4 is a weighted average price. The reported securities were sold in multiple transactions at prices ranging from $128.49 to $129.47, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission (SEC), upon request, full information regarding the number of shares sold at each separate price within such ranges.

(4) The price reported in Column 4 is a weighted average price. The reported securities were sold in multiple transactions at prices ranging from $129.74 to $130.73, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission (SEC), upon request, full information regarding the number of shares sold at each separate price within such ranges.

(5) The price reported in Column 4 is a weighted average price. The reported securities were sold in multiple transactions at prices ranging from $130.77 to $131.75, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission (SEC), upon request, full information regarding the number of shares sold at each separate price within such ranges.

(6) The price reported in Column 4 is a weighted average price. The reported securities were sold in multiple transactions at prices ranging from $131.775 to $132.73, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission (SEC), upon request, full information regarding the number of shares sold at each separate price within such ranges.

(7) The price reported in Column 4 is a weighted average price. The reported securities were sold in multiple transactions at prices ranging from $132.8275 to $133.76, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission (SEC), upon request, full information regarding the number of shares sold at each separate price within such ranges.

(8) The price reported in Column 4 is a weighted average price. The reported securities were sold in multiple transactions at prices ranging from $133.93 to $134.91, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission (SEC), upon request, full information regarding the number of shares sold at each separate price within such ranges.

(9) The price reported in Column 4 is a weighted average price. The reported securities were sold in multiple transactions at prices ranging from $134.94 to $135.93, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission (SEC), upon request, full information regarding the number of shares sold at each separate price within such ranges.

(10) The price reported in Column 4 is a weighted average price. The reported securities were sold in multiple transactions at prices ranging from $135.95 to $136.94, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission (SEC), upon request, full information regarding the number of shares sold at each separate price within such ranges.

(11) The price reported in Column 4 is a weighted average price. The reported securities were sold in multiple transactions at prices ranging from $136.96 to $137.405, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission (SEC), upon request, full information regarding the number of shares sold at each separate price within such ranges.

(12) Reflects shares indirectly beneficially owned by the Reporting Person through the Kathleen and Daniel Shugar Family Trust, dated May 10, 2007.

**Signature:** /s/ Philip Reuther, as attorney-in-fact for Daniel Shugar  
**Date:** 2026-05-28

### Remarks:

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.**