Stephen J. Jones - 07 Oct 2025 Form 4 Insider Report for 374Water Inc. (SCWO)

Reporting relationship: Interim CEO, Director
Issuer ticker: SCWO
Reported as of: 07 Oct 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 09 Oct 2025, 17:11:30 UTC
Prior SEC filing: 03 Sep 2025
Next SEC filing: 17 Dec 2025
Source filing: View source filing
Reporting owner signature: /s/ Stephen Jones

Key filing fact

Stephen J. Jones filed Form 4 for 374Water Inc. (SCWO) on 09 Oct 2025.

Key facts

This page summarizes Stephen J. Jones's Form 4 filing for 374Water Inc. (SCWO).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 09 Oct 2025, 17:11.

Change

Previous filing in this sequence was filed on 03 Sep 2025.
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 0001412239 Primary reporting owner

Jones Stephen J

Relationship: Interim CEO, Director
Address: C/O 374 WATER INC., 100 SOUTHCENTER COURT SUITE 200, MORRISVILLE
Signature: /s/ Stephen Jones
Signature date: 09 Oct 2025

Reported derivative securities

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

SCWO transaction Derivative

Stock options (right to buy)

Award

Transaction value: $0
Shares: +4,500,000
Change %
Price: $0.000000
Shares after: 4,500,000
Date: 07 Oct 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 4,500,000
Exercise price: $0.3700
Footnotes: F1, F2

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Represents stock options granted to the Reporting Person as compensation in connection with his appointment as Interim Chief Executive Officer of 374Water Inc. (the "Company"). The vesting commencement date of the stock options is October 7, 2025. 25% of the stock options vest and become exercisable on the vesting commencement date, 25% of the stock options vest and become exercisable 90 days after the vesting commencement date, 25% of the stock options vest and become exercisable 180 days after the vesting commencement date and 25% of the stock options vest and become exercisable 270 days after the vesting commencement date, subject to the Reporting Person's continuing service through each vesting date. (Continues in footnote no. 2)

Footnote F2

Notwithstanding the foregoing, the stock options will vest and become exercisable immediately in the event of (i) a change of control of the Company, (ii) the hiring of a full-time Chief Executive Officer for the Company, or (iii) the termination of the Reporting Person other than for cause. Upon vesting, each stock option gives the Reporting Person the right to purchase one share of the Company's Common Stock at the exercise price. The stock options expire on the date which is ten years from the date on which the applicable shares vest, unless earlier terminated in accordance with the stock option grant agreement.