Charles Maurice Weiser - 29 Dec 2025 Form 3 Insider Report for 374Water Inc. (SCWO)

Role
Director
Signature
/s/ Charles Weiser
Issuer symbol
SCWO
Transactions as of
29 Dec 2025
Net transactions value
$0
Form type
3
Filing time
30 Jan 2026, 20:12:45 UTC
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Weiser Charles Maurice Director C/O 374WATER INC., 100 SOUTHCENTER COURT, SUITE 200, MORRISVILLE /s/ Charles Weiser 30 Jan 2026 0002107970

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding SCWO Common Stock 13,859 29 Dec 2025 Direct
holding SCWO Common Stock 7,533 29 Dec 2025 By spouse
holding SCWO Common Stock 1,650 29 Dec 2025 Shares held jointly with Reporting Person's spouse.

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
holding SCWO Warrants (right to buy) 29 Dec 2025 Common Stock 1,200 $1.94 Shares held jointly with Reporting Person's spouse.
* An asterisk sign (*) next to the price indicates that the price is likely invalid.