Charles Maurice Weiser Receives Stock Award at 374Water Inc (SCWO) — SEC Form 4, Jul 08, 2026

SEC Form 4 · No Market Transaction

Stock Award

Compensation grant — no market purchase or sale.

Reporting Owner

Charles Maurice Weiser

CFO

TXN 2026-07-01 · FILED 2026-07-08

Filing Lag 4 business days late vs 2-day SEC deadline

Form 4 · Statement of Changes in Beneficial Ownership

374Water Inc

SCWO CIK 0000933972

Reporting Owner

Name	Relationship
Charles Maurice Weiser CIK 0002107970	Director CFO

Derivative Securities Transactions

Title	Strike	Date	Type	Shares	Price	Expiration	Underlying	Ownership
Stock Option (right to buy)F1	$2.16	2026-07-01	A - Award/Grant	150,000 A	$0.00	2036-07-01	150,000 Common Stock	Direct
Restricted Stock UnitsF2	$0.00	2026-07-01	A - Award/Grant	125,000 A	$0.00	2029-07-01	125,000 Common Stock	Direct

Footnotes (2)

F1: The stock option was granted pursuant to the 374Water Inc. 2021 Equity Incentive Plan, as amended. The option vests as follows: 25% (37,500 shares) on the grant date (July 1, 2026), and the remaining 75% (112,500 shares) in 12 equal quarterly installments of 9,375 shares commencing October 1, 2026 (subject to a rounding adjustment on the final installment). The exercise price equals the closing price of the Issuer's common stock on the Nasdaq Capital Market on the date of grant. Show more
F2: The restricted stock unit award was granted pursuant to the 374Water Inc. 2021 Equity Incentive Plan, as amended. The RSUs vest as follows: 25% (31,250 shares) on the grant date (July 1, 2026), and the remaining 75% (93,750 shares) in 12 equal quarterly installments of 7,813 shares commencing October 1, 2026 (subject to a rounding adjustment on the final installment to account for the aggregate total of 93,750 shares). Show more

Institutional Holders

Largest by reported value

5%+ Holders · 13D/G 2 filers

Latest Schedule 13D/G per filer; stakes the filer reported closed are left out.

Other insiders at 374Water Inc

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