David P. Bennett - 18 May 2026 Form 4 Insider Report for Nextpower Inc. (NXT)

Reporting relationship: Chief Accounting Officer
Issuer ticker: NXT
Reported as of: 18 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 20 May 2026, 20:52:47 UTC
Prior SEC filing: 28 Apr 2026
Next SEC filing: 26 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Philip Reuther, as attorney-in-fact for David Bennett

Key filing fact

David P. Bennett filed Form 4 for Nextpower Inc. (NXT) on 20 May 2026.

Key facts

This page summarizes David P. Bennett's Form 4 filing for Nextpower Inc. (NXT).
14 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 20 May 2026, 20:52.

Change

Previous filing in this sequence was filed on 28 Apr 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001582417 Primary reporting owner

Bennett David P

Relationship: Chief Accounting Officer
Address: C/O NEXTPOWER INC., 6200 PASEO PADRE PARKWAY, FREMONT
Signature: /s/ Philip Reuther, as attorney-in-fact for David Bennett
Signature date: 20 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

NXT transaction

Common Stock

Options Exercise

Transaction value
Shares: +55,075
Change %: +44%
Price: $21.00^*
Shares after: 181,557
Date: 18 May 2026
Ownership: Direct
Footnotes: F1

NXT transaction

Common Stock

Other

Transaction value
Shares: -3,382
Change %: -1.9%
Price: $123.91^*
Shares after: 178,175
Date: 19 May 2026
Ownership: Direct
Footnotes: F2, F3

NXT transaction

Common Stock

Other

Transaction value
Shares: -4,150
Change %: -2.3%
Price: $124.91^*
Shares after: 174,025
Date: 19 May 2026
Ownership: Direct
Footnotes: F2, F4

NXT transaction

Common Stock

Other

Transaction value
Shares: -5,035
Change %: -2.9%
Price: $125.81^*
Shares after: 168,990
Date: 19 May 2026
Ownership: Direct
Footnotes: F2, F5

NXT transaction

Common Stock

Other

Transaction value
Shares: -12,905
Change %: -7.6%
Price: $127.19^*
Shares after: 156,085
Date: 19 May 2026
Ownership: Direct
Footnotes: F2, F6

NXT transaction

Common Stock

Other

Transaction value
Shares: -14,181
Change %: -9.1%
Price: $128.00^*
Shares after: 141,904
Date: 19 May 2026
Ownership: Direct
Footnotes: F2, F7

NXT transaction

Common Stock

Other

Transaction value
Shares: -7,274
Change %: -5.1%
Price: $128.97^*
Shares after: 134,630
Date: 19 May 2026
Ownership: Direct
Footnotes: F2, F8

NXT transaction

Common Stock

Other

Transaction value
Shares: -3,128
Change %: -2.3%
Price: $130.08^*
Shares after: 131,502
Date: 19 May 2026
Ownership: Direct
Footnotes: F2, F9

NXT transaction

Common Stock

Other

Transaction value
Shares: -2,925
Change %: -2.2%
Price: $130.98^*
Shares after: 128,577
Date: 19 May 2026
Ownership: Direct
Footnotes: F2, F10

NXT transaction

Common Stock

Other

Transaction value
Shares: -2,095
Change %: -1.6%
Price: $131.79^*
Shares after: 126,482
Date: 19 May 2026
Ownership: Direct
Footnotes: F2, F11

NXT transaction

Common Stock

Award

Transaction value
Shares: +6,212
Change %: +4.9%
Price: $0.000000^*
Shares after: 132,694
Date: 19 May 2026
Ownership: Direct
Footnotes: F13

NXT transaction

Common Stock

Award

Transaction value
Shares: +8,283
Change %: +6.2%
Price: $0.000000^*
Shares after: 140,977
Date: 19 May 2026
Ownership: Direct
Footnotes: F13

NXT transaction

Common Stock

Award

Transaction value
Shares: +12,018
Change %: +8.5%
Price: $0.000000^*
Shares after: 152,995
Date: 19 May 2026
Ownership: Direct
Footnotes: F14, F15, F16

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

NXT transaction Derivative

Stock Option (Right to Buy)

Options Exercise

Transaction value
Shares: -55,075
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 18 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 55,075
Exercise price: $21.00
Footnotes: F1, F12

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 16 footnotes

Footnote F1

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. Bennett upon exercise of the total award of Performance Options at 250% of the aggregate exercise price (the "Max Benefit Limit").

Footnote F2

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.

Footnote F3

The price reported in Column 4 is a weighted average price. The reported securities were sold in multiple transactions at prices ranging from $123.37 to $124.35, 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.

Footnote F4

The price reported in Column 4 is a weighted average price. The reported securities were sold in multiple transactions at prices ranging from $124.38 to $125.34, 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.

Footnote F5

The price reported in Column 4 is a weighted average price. The reported securities were sold in multiple transactions at prices ranging from $125.38 to $126.29, 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.

Footnote F6

The price reported in Column 4 is a weighted average price. The reported securities were sold in multiple transactions at prices ranging from $126.52 to $127.51, 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.

Footnote F7

The price reported in Column 4 is a weighted average price. The reported securities were sold in multiple transactions at prices ranging from $127.52 to $128.51, 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.

Footnote F8

The price reported in Column 4 is a weighted average price. The reported securities were sold in multiple transactions at prices ranging from $128.52 to $129.45, 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.

Footnote F9

The price reported in Column 4 is a weighted average price. The reported securities were sold in multiple transactions at prices ranging from $129.53 to $130.52, 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.

Footnote F10

The price reported in Column 4 is a weighted average price. The reported securities were sold in multiple transactions at prices ranging from $130.54 to $131.52, 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.

Footnote F11

The price reported in Column 4 is a weighted average price. The reported securities were sold in multiple transactions at prices ranging from $131.56 to $132.07, 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.

Footnote F12

As a result of the application of the Max Benefit Limit, 63,973 Performance Options were forfeited and cancelled without any consideration.

Footnote F13

Reflects an award of restricted stock units ("RSUs") granted to the Reporting Person on May 19, 2026. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs vest 30% on May 19, 2027, 30% on May 19, 2028, and 40% on May 19, 2029, subject to the Reporting Person's continued service to the Issuer through the relevant vesting date and acceleration in certain circumstances.

Footnote F14

Reflects performance stock units ("PSUs"), originally granted to the Reporting Person on May 23, 2025, which were initially earned upon certification by the Board of Directors of the Issuer on May 19, 2026 of the level of achievement of the financial performance metrics applicable to the PSUs for the performance period from April 1, 2025 to March 31, 2026. The PSUs remain subject to an rTSR modifier performance metric for the performance period from April 1, 2025 to March 31, 2028, pursuant to which the number of shares earned based on achievement of the financial performance metrics can be adjusted between 75% - 150%.

Footnote F15

Each earned PSU reflects the right to receive one share of the Issuer's common stock upon satisfaction of the applicable vesting conditions.

Footnote F16

The amount reported herein reflects 75% of the number of PSUs earned based on achievement of the financial performance metrics, which is the minimum amount of PSUs that will be earned and eligible to vest at the end of the three-year performance period, subject generally to the Reporting Person's continued employment with the Issuer through such date