374Water Inc. (SCWO) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-07-08

374Water Inc. (SCWO) has filed 2 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-08. 3 Form 8-K material event filings were reported by SCWO in the last 90 days. 1 Form 144 notices of proposed sale were filed for SCWO stock. InsiderAlpha tracks every SCWO SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About 374Water Inc. (SCWO)

SIC classificationMotors & Generators (SIC 3621)
SEC CIK0000933972

90-Day SEC Filing Activity

Form 4 filings (90d)2
Form 8-K filings (90d)3
Form 144 notices (90d)1
Latest Form 4 filing2026-07-08

Recent SCWO Insider Transactions (Form 4)

DateInsiderRoleTransactionSharesPriceValueFiling
Nagar YaacovInsiderS — Open-market sale363.9K$0.52$188KSEC
Nagar YaacovInsiderS — Open-market sale700.0K$0.52$361KSEC
Nagar YaacovInsiderS — Open-market sale1.50M$0.46$696KSEC
Nagar YaacovInsiderS — Open-market sale1.0K$0.39$390SEC
Nagar YaacovInsiderS — Open-market sale54.9K$0.40$22KSEC
Nagar YaacovInsiderS — Open-market sale122.4K$0.39$48KSEC
Nagar YaacovInsiderS — Open-market sale22.7K$0.39$9KSEC
Mandel PeterGeneral CounselA — Grant or award375.0K$0.00—SEC
Jones Stephen JInsiderA — Grant or award426.1K$0.00—SEC
Russell KlineChief Financial OfficerA — Grant or award250.0K$0.00—SEC
Penn Buddie JInsiderA — Grant or award130.0K$0.00—SEC
Penn Buddie JInsiderA — Grant or award388.0K$0.00—SEC
Gannon Chris MChief Executive OfficerA — Grant or award1.25M$0.00—SEC
Meyers Brad IanChief Operating OfficerA — Grant or award375.0K$0.00—SEC
Vanderhider James MichaelInsiderA — Grant or award130.0K$0.00—SEC

All transactions sourced from SEC EDGAR Form 4 filings for 374Water Inc. (SCWO). Updated in real time as new filings are submitted to the SEC.

Most-Active SCWO Insiders — Last 90 Days

InsiderForm 4 filingsTotal transaction value
Weiser Charles Maurice2—
Meyers Brad Ian1—

Recent SCWO Form 8-K Material Events

Recent SCWO Form 144 Notices of Proposed Sale

Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.

Recent Insider Filings

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in SCWO insider filings:

POpen-market purchase by the insider
SOpen-market sale by the insider
AGrant, award, or other acquisition from the issuer
MExercise or conversion of derivative security (e.g. options)
FPayment of exercise price or tax liability via share withholding
GBona-fide gift of securities
DDisposition to the issuer (e.g. share buyback participation)
JOther acquisition or disposition
XExercise of in-the-money or at-the-money derivative security
CConversion of derivative security
VTransaction voluntarily reported earlier than required

SCWO Insider Trading — FAQ

What is the latest insider trade for SCWO?
374Water Inc. (SCWO) had 2 insider filings in the last 90 days, with the most recent on 2026-07-08. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying SCWO stock?
0 insider purchases of SCWO were filed in the last 90 days.
How many insiders are selling SCWO stock?
0 insider sales of SCWO were filed in the last 90 days.
Where can I see SCWO SEC filings (Form 4, 10-K, 10-Q, 8-K)?
InsiderAlpha aggregates every SCWO SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

Related Companies — Recent Insider Activity

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