[Form 4] 374Water Inc. Insider Trading Activity

Rhea-AI Filing Summary

Director sale of common stock reported. A director, Yaacov Nagar, reported a sale of 1,499,000 shares of 374Water Inc. (SCWO) executed on 10/08/2025 at a weighted-average price of $0.4641 per share. The filing shows the sale was made in multiple trades at prices between $0.4500 and $0.4891, and the reporting person retained 34,258,325 shares following the transactions. The Form 4 indicates the reporting person is a director and the form was signed on 10/10/2025.

Insights

Corporate Governance Analyst

Insider sold a modest stake via multiple trades at a low market price.

The director reported a disposal of 1,499,000 shares on 10/08/2025 at a weighted-average price of $0.4641, executed across trades priced between $0.4500 and $0.4891. This reduced the director's direct holdings to 34,258,325 shares as reported.

The sale appears routine: the filing shows standard disclosures with no derivatives or special plan cited and a signed Form 4 dated 10/10/2025. Monitor open-market trading patterns or subsequent filings for any change in trend over the next few reporting periods.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Nagar Yaacov

(Last) (First) (Middle)

600 PARK OFFICES DR.

SUITE 300

(Street)

DURHAM NC 27713

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
374Water Inc. [ SCWO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
10/08/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	10/08/2025		S		1,499,000	D	$0.4641(1)	34,258,325	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. 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.

	/s/ YAACOV NAGAR	10/10/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What transaction did Yaacov Nagar report for 374Water (SCWO)?

The director reported a sale of 1,499,000 common shares on 10/08/2025 at a weighted-average price of $0.4641 per share.

How many shares does Yaacov Nagar own after the reported sale?

Following the reported transaction, the reporting person beneficially owned 34,258,325 shares.

Were the trades executed at a single price?

No. The filing states the sale was executed in multiple trades at prices ranging from $0.4500 to $0.4891, with the listed price as a weighted average.

What role does the reporting person hold at 374Water?

The filing lists the reporting person, Yaacov Nagar, as a Director of the company.

When was the Form 4 signed?

The Form 4 was signed by Yaacov Nagar on 10/10/2025.