Rajesh Ramaswamy Melkote - 09 Oct 2025 Form 4 Insider Report for 374Water Inc. (SCWO)

Reporting relationship: Chief Technology Officer
Issuer ticker: SCWO
Reported as of: 09 Oct 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 23 Oct 2025, 16:26:19 UTC
Prior SEC filing: 02 Sep 2025
Source filing: View source filing
Reporting owner signature: /s/ Rajesh Melkote

Key filing fact

Rajesh Ramaswamy Melkote filed Form 4 for 374Water Inc. (SCWO) on 23 Oct 2025.

Key facts

This page summarizes Rajesh Ramaswamy Melkote's Form 4 filing for 374Water Inc. (SCWO).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 23 Oct 2025, 16:26.

Change

Previous filing in this sequence was filed on 02 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 0002064133 Primary reporting owner

Melkote Rajesh Ramaswamy

Relationship: Chief Technology Officer
Address: C/O 374 WATER INC., 100 SOUTHCENTER COURT SUITE 200, MORRISVILLE
Signature: /s/ Rajesh Melkote
Signature date: 23 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: +500,000
Change %
Price: $0.000000
Shares after: 500,000
Date: 09 Oct 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 500,000
Exercise price: $0.6000
Footnotes: F1

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Represents stock options granted to the Reporting Person as a special retention incentive award in connection with his continued service as Chief Technology Officer of 374Water Inc. (the "Company"). 50% of the stock options vest and become exercisable on the first anniversary of the grant date and the remaining 50% of the stock options vest and become exercisable on the second anniversary of the grant date, subject to the Reporting Person's continuous service through each vesting date. In the event of an involuntary termination of the Reporting Person without cause, all remaining unvested stock options will vest and become exercisable immediately. 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 grant date, unless earlier terminated in accordance with the stock option grant agreement.