Yaacov Nagar - 08 Oct 2025 Form 4 Insider Report for 374Water Inc. (SCWO)

Role: 10%+ Owner
Signature: /s/ YAACOV NAGAR
Issuer symbol: SCWO
Transactions as of: 08 Oct 2025
Net transactions value: -$695,686
Form type: 4
Filing time: 10 Oct 2025, 17:27:32 UTC
Previous filing: 09 Oct 2025
Next filing: 16 Oct 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Nagar Yaacov	10%+ Owner	600 PARK OFFICES DR., SUITE 300, DURHAM	/s/ YAACOV NAGAR	10 Oct 2025	0001861377

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SCWO	Common Stock	Sale	$695,686	-1,499,000	-4.2%	$0.4641	34,258,325	08 Oct 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This transaction was executed in multiple trades at prices ranging from $0.4500 to $0.4891 The price set forth above reflects the weighted-average price per share. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.