[Form 4] 374Water Inc. Insider Trading Activity

Rhea-AI Filing Summary

374Water Inc. director Yaacov Nagar reported a sale of 1,000 shares of common stock on 10/07/2025 at a price of $0.39 per share. After the sale, the reporting person beneficially owns 35,757,325 shares, reported as direct ownership. The Form 4 is a routine Section 16 filing that records this single non-derivative disposition and is signed by the reporting person on 10/09/2025. The filing contains no derivative transactions or additional explanatory notes.

Positive

• Timely disclosure of the insider sale via Form 4
• Clear reporting showing direct beneficial ownership after the transaction

Negative

• Reported sale of 1,000 shares reduces insider holdings
• No 10b5-1 plan or explanatory note disclosed in the filing

Insights

Corporate Governance Specialist

Small disclosed sale by a director; routine compliance filing.

The filing documents a direct sale of 1,000 common shares at $0.39 on 10/07/2025, leaving the director with 35,757,325 shares. This is a straightforward Section 16 report showing a non‑derivative disposition with no accompanying derivative activity.

Key dependencies include ongoing insider holdings and any existing trading plans; the form does not indicate a 10b5-1 plan. Investors typically monitor repeated or large insider sales; this single small sale is unlikely to be material by itself but is a transparent compliance disclosure to track.

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)
10/07/2025

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	10/07/2025		S		1,000	D	$0.39	35,757,325	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:

	/s/ YAACOV NAGAR	10/09/2025
	** 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 did the 374Water (SCWO) Form 4 filed by Yaacov Nagar report?

The Form 4 reported a sale of 1,000 common shares on 10/07/2025 at $0.39 per share, with 35,757,325 shares owned after the sale.

Does the Form 4 show any derivative transactions for SCWO?

No. The filing shows only a non-derivative disposition of common stock and lists no derivative securities.

Was the transaction reported as part of a 10b5-1 trading plan?

No indication of a 10b5-1 plan is provided in the Form 4; the checkbox or explanatory language is not present.

When was the Form 4 signed?

The signature block is dated 10/09/2025 and signed by Yaacov Nagar.

How much did the director receive per share in the reported sale?

The reported sale price was $0.39 per share.