Are insiders buying SCWO stock?

Yes — 12 distinct insiders have bought SCWO (374Water Inc.) on the open market, including 3 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Dec 18, 2025.

How much SCWO stock have insiders bought?

Insiders have bought a combined $881.8K of SCWO across 21 open-market purchases, based on SEC Form 4 filings.

What is an insider cluster buy in SCWO?

A cluster buy is two or more distinct 374Water Inc. insiders — officers, directors, or 10% owners — each buying SCWO on the open market within a rolling window. SCWO has 3 detected cluster buys to date.

Where does this SCWO insider trading data come from?

Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.

SCWO insider buying

3 cluster buys

374Water Inc. · Industrials

When two or more insiders at 374Water Inc. buy SCWO on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in SCWO plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.

Clusters

Distinct insiders

Total bought

$881.8K

Market cap

$36.0M

Detected clusters

Dec 16 – Dec 16, 2025
Detected Dec 16, 2025
High conviction2 insiders
Total bought
$107.9K
Market cap
$36.0M
May 20 – Aug 26, 2025
Detected Aug 26, 2025
High conviction5 insiders
Total bought
$140.4K
Market cap
$36.0M
Nov 18 – Nov 18, 2024
Detected Nov 18, 2024
High conviction2 insiders
Total bought
$462.5K
Market cap
$37.8M

All notable open-market buys in SCWO

Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.

Date	Insider	Shares	Price	Value	Filing
Dec 16, 2025	Jones Stephen Jcluster Director, Interim CEO	450,000	$0.23	$103.5K	SEC ↗
Dec 16, 2025	Russell Klinecluster Chief Financial Officer	20,000	$0.22	$4.4K	SEC ↗
Aug 26, 2025	Estes Deanna Renecluster Director	30,000	$0.29	$8.7K	SEC ↗
Aug 25, 2025	Pawloski Jamescluster Director	193,300	$0.26	$50.3K	SEC ↗
Aug 22, 2025	Russell Klinecluster Chief Financial Officer	15,000	$0.25	$3.8K	SEC ↗
Aug 21, 2025	Russell Klinecluster Chief Financial Officer	15,000	$0.25	$3.8K	SEC ↗
Aug 20, 2025	Russell Klinecluster Chief Financial Officer	20,000	$0.24	$4.8K	SEC ↗
Aug 19, 2025	Mandel Petercluster General Counsel	4,980	$0.25	$1.2K	SEC ↗
Aug 18, 2025	Mandel Petercluster General Counsel	20	$0.25	$5.0	SEC ↗
Jun 3, 2025	Jones Stephen Jcluster Director	40,000	$0.48	$19.2K	SEC ↗
May 30, 2025	Jones Stephen Jcluster Director	50,000	$0.42	$21.0K	SEC ↗
May 22, 2025	Jones Stephen Jcluster Director	40,000	$0.32	$12.8K	SEC ↗
May 20, 2025	Jones Stephen Jcluster Director	49,593	$0.30	$14.9K	SEC ↗
Nov 18, 2024	Vanderhider James Michaelcluster Director	250,000	$1.25	$312.5K	SEC ↗
Nov 18, 2024	Gannon Chris Mcluster Director, President & CEO	120,000	$1.25	$150.0K	SEC ↗
Nov 18, 2024	DAVIS RICHARD H Director	40,000	$1.25	$50.0K	SEC ↗
Nov 18, 2024	Deshusses Marc Director, 10% Owner	32,000	$1.25	$40.0K	SEC ↗
Nov 18, 2024	Estes Deanna Rene Director	24,000	$1.25	$30.0K	SEC ↗
Nov 18, 2024	Penn Buddie J Director	20,000	$1.25	$25.0K	SEC ↗
Nov 18, 2024	Mandel Peter General Counsel	10,800	$1.25	$13.5K	SEC ↗
Nov 18, 2024	Anderson Adrienne Chief Financial Officer	10,000	$1.25	$12.5K	SEC ↗

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SCWO insider buying — FAQ

Are insiders buying SCWO stock?: Yes — 12 distinct insiders have bought SCWO (374Water Inc.) on the open market, including 3 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Dec 18, 2025.
How much SCWO stock have insiders bought?: Insiders have bought a combined $881.8K of SCWO across 21 open-market purchases, based on SEC Form 4 filings.
What is an insider cluster buy in SCWO?: A cluster buy is two or more distinct 374Water Inc. insiders — officers, directors, or 10% owners — each buying SCWO on the open market within a rolling window. SCWO has 3 detected cluster buys to date.
Where does this SCWO insider trading data come from?: Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.

How we track insider buying in SCWO

We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy SCWO within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?

This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding SCWO.