Companies: 10,795·Total market cap: $144.5T
374Water, Inc.

374Water, Inc.

SCWONASDAQIndustrials● Active
$2.59
+$0.17(+6.82%)
Market Cap$37410823
P/E Ratio
52W High$10.9
52W Low$1.6

374Water, Inc. (SCWO) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · SCWO · as of Jun 8, 2026

Activity summary

Buy transactions

9

P-Purchase only

Sell transactions

14

12 Months

Buy/Sell ratio

0.64

Buy/Sell (by trades)

Overall sentiment

BEARISH
↑ Buy 39%Active transactions only · RSU vesting excluded61% Sell ↓

374Water, Inc. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

SCWO insider buying and selling by quarter

SCWO insider selling · SCWO insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling
6.5M3.2M0
2025 Q3
2025 Q4
2026 Q1
2026 Q2

Mobile shows last 4Q · Desktop shows full 8Q

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Active insiders

Most active in past 12 months · SCWO ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

SCWO executive sell shares · SCWO board member insider trading · SCWO insider trading SEC filing

Showing 56 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Nagar Yaacov

10 percent owner

Gift

Date

Apr 30

Shares

1,440,000

Price

$2.48

Value

$3.57M ⚡

View Form 4 on SEC.gov

Russell Kline

CFO

Purchase

Date

Dec 16

Shares

20,000

Price

$0.22

Value

$4K

View Form 4 on SEC.gov

Jones Stephen J

Interim CEO · Director

Purchase

Date

Dec 16

Shares

450,000

Price

$0.23

Value

$104K

View Form 4 on SEC.gov

Nagar Yaacov

10 percent owner

Sale

Date

Oct 22

Shares

61,000

Price

$0.42

Value

$26K

View Form 4 on SEC.gov

Nagar Yaacov

10 percent owner

Sale

Date

Oct 23

Shares

473,211

Price

$0.43

Value

$205K

View Form 4 on SEC.gov

Nagar Yaacov

10 percent owner

Sale

Date

Oct 20

Shares

13,330

Price

$0.42

Value

$6K

View Form 4 on SEC.gov

Nagar Yaacov

10 percent owner

Sale

Date

Oct 21

Shares

284,394

Price

$0.42

Value

$120K

View Form 4 on SEC.gov

Nagar Yaacov

10 percent owner

Sale

Date

Oct 22

Shares

32,791

Price

$0.42

Value

$14K

View Form 4 on SEC.gov

Nagar Yaacov

10 percent owner

Sale

Date

Oct 16

Shares

85,419

Price

$0.51

Value

$44K

View Form 4 on SEC.gov

Nagar Yaacov

10 percent owner

Sale

Date

Oct 17

Shares

131,680

Price

$0.42

Value

$56K

View Form 4 on SEC.gov

Nagar Yaacov

10 percent owner

Sale

Date

Oct 14

Shares

700,000

Price

$0.52

Value

$361K

View Form 4 on SEC.gov

Nagar Yaacov

10 percent owner

Sale

Date

Oct 15

Shares

363,868

Price

$0.52

Value

$188K

View Form 4 on SEC.gov

Nagar Yaacov

10 percent owner

Sale

Date

Oct 8

Shares

1,499,000

Price

$0.46

Value

$696K

View Form 4 on SEC.gov

Nagar Yaacov

10 percent owner

Sale

Date

Oct 7

Shares

1,000

Price

$0.39

Value

$390

View Form 4 on SEC.gov

Nagar Yaacov

10 percent owner

Sale

Date

Sep 5

Shares

122,439

Price

$0.39

Value

$48K

View Form 4 on SEC.gov

Nagar Yaacov

10 percent owner

Sale

Date

Sep 8

Shares

54,850

Price

$0.40

Value

$22K

View Form 4 on SEC.gov

Nagar Yaacov

10 percent owner

Sale

Date

Aug 29

Shares

22,711

Price

$0.39

Value

$9K

View Form 4 on SEC.gov

Meyers Brad Ian

COO

Award

Date

Aug 28

Shares

375,000

Price

Value

View Form 4 on SEC.gov

Estes Deanna Rene

Director

Purchase

Date

Aug 26

Shares

30,000

Price

$0.29

Value

$9K

View Form 4 on SEC.gov

Pawloski James

Director

Purchase

Date

Aug 25

Shares

193,300

Price

$0.26

Value

$51K

View Form 4 on SEC.gov

Russell Kline

CFO

Purchase

Date

Aug 22

Shares

15,000

Price

$0.25

Value

$4K

View Form 4 on SEC.gov

Russell Kline

CFO

Purchase

Date

Aug 21

Shares

15,000

Price

$0.25

Value

$4K

View Form 4 on SEC.gov

Russell Kline

CFO

Purchase

Date

Aug 20

Shares

20,000

Price

$0.24

Value

$5K

View Form 4 on SEC.gov

Mandel Peter

General Counsel

Purchase

Date

Aug 19

Shares

4,980

Price

$0.25

Value

$1K

View Form 4 on SEC.gov

Mandel Peter

General Counsel

Purchase

Date

Aug 18

Shares

20

Price

$0.25

Value

$5

View Form 4 on SEC.gov

⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar

1 / 3

Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About SCWO insider trading

SCWO insider trades

374Water, Inc. (SCWO) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Nagar Yaacov (10 percent owner), Russell Kline (CFO), Mandel Peter (General Counsel). Over the past 12 months, 5 insiders have filed transactions with the SEC. SCWO insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For 374Water, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic
acquisitionOrDisposition field:
A = Acquisition (buy) · D = Disposition (sell)
RSU vesting (M-Exempt) excluded from sentiment
Form 4SEC filing required within 2 business days of any insider transaction
10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot
Open MktDirect purchase or sale on the open market (excludes awards, options)

Frequently asked questions

SCWO insider trading · 5 questions

The insiders of 374Water, Inc. (SCWO) include executives and directors such as Nagar Yaacov (10 percent owner), Russell Kline (CFO), Mandel Peter (General Counsel), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

SCWO board member insider tradingwho are SCWO insidersSCWO insider roster374Water, Inc. executives insider activity

Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026