Peter Mandel

CIK: 0002035922

Transaction Breakdown

Open Market Buys (P)3 (50.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)3 (50.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

SCWO

374Water Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (6 total)

SCWO
374Water Inc.
Aug 28, 2025
Award(A)
Direct
375K shares-
SCWO
374Water Inc.
Aug 19, 2025
Purchase(P)
Direct
5K shares at avg. $0.25$1K
SCWO
374Water Inc.
Aug 18, 2025
Purchase(P)
Direct
20 shares at avg. $0.25$4.96
SCWO
374Water Inc.
Nov 18, 2024
Purchase(P)
Direct
10.8K shares at avg. $1.25$14K
SCWO
374Water Inc.
Nov 18, 2024
Award(A)
Stock options (right to buy)
Direct
247.8K shares-
SCWO
374Water Inc.
Nov 15, 2024
Award(A)
Direct
247.8K shares-

		Type	Shares	Price		Ownership
Aug 28, 2025	SCWO 374Water Inc.	Award(A)	375,000	-	-	Direct
Aug 19, 2025	SCWO 374Water Inc.	Purchase(P)	4,980	$0.25	$1,244	Direct
Aug 18, 2025	SCWO 374Water Inc.	Purchase(P)	20	$0.25	$5	Direct
Nov 18, 2024	SCWO 374Water Inc.	Purchase(P)	10,800	$1.25	$13,500	Direct
Nov 18, 2024	SCWO 374Water Inc.	Award(A) Stock options (right to buy)	247,775	-	-	Direct
Nov 15, 2024	SCWO 374Water Inc.	Award(A)	247,775	-	$0	Direct

1-6 of 6 transactions

About Mandel Peter

Mandel Peter (SEC CIK 0002035922) files insider reports with the SEC as General Counsel of 374Water Inc. (SCWO).

Signal8 holds 3 ownership filings by Mandel Peter, all Form 4s, filed between Nov 19, 2024 and Sep 2, 2025. Those filings report 6 transactions, from Nov 15, 2024 to Aug 28, 2025. Signal8's Form 4 history starts in Sep 2024.

The business address on Mandel Peter's filings is in DURHAM, NC.

Recent filings by Mandel Peter

Aug 28, 2025: Grant or award of SCWO shares (Form 4, code A).
Aug 19, 2025: Open-market purchase of SCWO shares (Form 4, code P).
Aug 18, 2025: Open-market purchase of SCWO shares (Form 4, code P).
Nov 18, 2024: Open-market purchase of SCWO shares (Form 4, code P).
Nov 18, 2024: Grant or award of SCWO derivative securities (Form 4, code A).

Other insiders filing for 374Water Inc. (SCWO)

Weiser Charles Maurice, Chief Financial Officer
Meyers Brad Ian, Chief Operating Officer
Nagar Yaacov, 10% Owner
BOGAR DANIEL T, President / CEO
McKnight Stephen H., Director
Russell Kline, Chief Financial Officer

How to read Form 4 transaction codes