374Water Inc. · Stock award · Stock options (right to buy)

What does this filing report?

An SEC Form 4 filing for 374Water Inc. records a stock award involving Stock options (right to buy) on October 9, 2025. The reported quantity was 500,000. The filing date is October 14, 2025. This is one transaction record; amounts are not allocated among any joint reporting owners.

The acquisition category describes how securities were received. It does not by itself establish a cash purchase of common stock. Read the transaction code definitionsand the original filing before interpreting the amounts.

Derivative terms

Underlying security

Common Stock

Underlying quantity

500,000

Conversion / exercise price

0.6

Exercise date

Not reported

Expiration date

Not reported

Filing footnotes & remarks

F1

. Represents stock options granted to the Reporting Person as a special retention incentive award in connection with his continued service as Chief Financial 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.

Footnotes are reproduced as plain text from the current source filing. For the full context, read the original SEC filing.