[Form 4] 374Water Inc. Insider Trading Activity

Rhea-AI Filing Summary

Brad Ian Meyers, Chief Operating Officer and director of 374Water Inc. (SCWO), reported acquiring 375,000 shares of the company's common stock on 08/28/2025 at a reported price of $0. Following the transaction, Mr. Meyers beneficially owns 490,000 shares. The Form 4 was filed by a single reporting person and is signed by Mr. Meyers on the transaction date.

Positive

• Insider acquisition: COO and director acquired 375,000 common shares, increasing insider ownership to 490,000 shares
• Timely disclosure: Transaction reported on Form 4 and signed by reporting person on 08/28/2025

Negative

• None.

Insights

Corporate Governance Expert

TL;DR: Insider acquisition increases executive ownership, a routine disclosure that may align management with shareholders.

The filing documents a non-derivative acquisition of 375,000 common shares by the COO and director, raising his beneficial stake to 490,000 shares. The reported price of $0 implies the shares were issued or transferred without a cash purchase price disclosed on the form; the form does not provide context such as grant type or vesting. As a governance signal, higher insider ownership can align incentives, but the filing lacks detail on the nature and conditions of the transfer.

Securities Analyst

TL;DR: Transaction is material as an insider change in ownership but the filing provides no economic detail beyond share counts.

The Form 4 reports an 08/28/2025 acquisition of 375,000 shares at a reported price of $0, increasing the reporting person's holdings to 490,000 shares. The document is a standard Section 16 disclosure; it does not include derivative transactions or price paid details beyond the reported zero value, and it contains no information on timing beyond the transaction date or any subsequent sales. Investors should note this is a direct beneficial ownership change disclosed under Form 4 rules.

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
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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^*

Meyers Brad Ian

(Last) (First) (Middle)

374 WATER INC.

100 SOUTHCENTER COURT, SUITE 200

(Street)

MORRISVILLE NC 27560

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

3. Date of Earliest Transaction (Month/Day/Year)
08/28/2025

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	08/28/2025		A		375,000	A	$0	490,000	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/ Brad Ian Meyers	08/28/2025
	** 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 Brad Ian Meyers report on Form 4 for SCWO?

He reported a non-derivative acquisition of 375,000 common shares on 08/28/2025, increasing his holdings to 490,000 shares.

What price was reported for the shares acquired by the SCWO reporting person?

The Form 4 lists a reported price of $0 for the acquisition of 375,000 shares.

What role does the reporting person hold at 374Water Inc. (SCWO)?

The reporting person is a Director and an Officer serving as the Chief Operating Officer.

When was the Form 4 transaction dated and signed?

The transaction date and signature date shown on the Form 4 are both 08/28/2025.

Was the Form 4 filed by more than one reporting person?

No. The form indicates it was filed by one reporting person.