SCWO 10% owner reports sales; now owns 32,977,358 shares

Q: What did 374Water (SCWO) disclose in this Form 4?

A 10% owner, Yaacov Nagar , reported open-market sales of common stock on 10/16/2025 and 10/17/2025 .

Q: How many SCWO shares were sold and at what prices?

He sold 85,419 shares at a weighted-average price of $0.5126 and 131,680 shares at $0.423 .

Q: What were the disclosed price ranges for the trades?

Trades occurred within $0.5108–$0.5140 and $0.4200–$0.4383 price ranges.

Q: How many SCWO shares does the reporting person own after the transactions?

Direct beneficial ownership is reported as 32,977,358 shares after the transactions.

Q: What was the ownership form reported?

The filing lists ownership as Direct (D) .

Q: What is the insider’s relationship to 374Water (SCWO)?

The reporting person is identified as a 10% Owner .

Filing Impact

(Neutral)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

374Water (SCWO) filed a Form 4 reporting sales by 10% owner Yaacov Nagar. On 10/16/2025, he sold 85,419 shares at a weighted-average price of $0.5126, leaving 33,109,038 shares beneficially owned directly. On 10/17/2025, he sold 131,680 shares at a weighted-average price of $0.423, with direct ownership at 32,977,358 shares after the reported transactions. The trades were executed in multiple lots within price ranges of $0.5108–$0.5140 and $0.4200–$0.4383.

Insider Trade Summary

Net Seller: 217,099 shares

Net Sell 2 txns

Insider Nagar Yaacov

Role 10% Owner

Sold 217,099 shs ($99K)

Type	Security	Shares	Price	Value
Sale	Common Stock	131,680	$0.423	$56K
Sale	Common Stock	85,419	$0.5126	$44K

Holdings After Transaction: Common Stock — 32,977,358 shares (Direct)

Footnotes (2)

F1. This transaction was executed in multiple trades at prices ranging from $0.5108 to $0.5140 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.
F2. This transaction was executed in multiple trades at prices ranging from $0.4200 to $0.4383 The price set forth above reflects the weighted-average price per share.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 10/20/2025 - 08:08 PM

FAQ

What did 374Water (SCWO) disclose in this Form 4?

A 10% owner, Yaacov Nagar, reported open-market sales of common stock on 10/16/2025 and 10/17/2025.

How many SCWO shares were sold and at what prices?

He sold 85,419 shares at a weighted-average price of $0.5126 and 131,680 shares at $0.423.

What were the disclosed price ranges for the trades?

Trades occurred within $0.5108–$0.5140 and $0.4200–$0.4383 price ranges.

How many SCWO shares does the reporting person own after the transactions?

Direct beneficial ownership is reported as 32,977,358 shares after the transactions.

What was the ownership form reported?

The filing lists ownership as Direct (D).

What is the insider’s relationship to 374Water (SCWO)?

The reporting person is identified as a 10% Owner.

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

SUITE 300

(Street)

DURHAM

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)
10/16/2025

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	10/16/2025		S		85,419	D	$0.5126⁽¹⁾	33,109,038	D
Common Stock	10/17/2025		S		131,680	D	$0.423⁽²⁾	32,977,358	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. This transaction was executed in multiple trades at prices ranging from $0.5108 to $0.5140 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.

2. This transaction was executed in multiple trades at prices ranging from $0.4200 to $0.4383 The price set forth above reflects the weighted-average price per share.

	/s/ YAACOV NAGAR	10/20/2025
	** 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.

Source: View Original Filing on SEC EDGAR