374Water Ownership & Insider Activity

374Water (SCWO) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 44.7% of shares outstanding. Institutional investors hold 4.0%.

Shares Outstanding

17.718M

Shares Float

11.438M

Insider Shares Owned

75.606M

Insider % Owned

44.7%

Institutional Shares Held

716.647K

Institutional % Held

4.0%

Ownership Breakdown

Net Insider Activity by Month

374Water Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Jun 11, 2026	Brad Ian Meyers	CHIEF OPERATING OFFICER	SELL	18.831K	$2.39	$45K