374Water appoints Charles Weiser as CFO; interim CFO resigns

374Water Inc.

Charles Weiser appointed CFO effective July 1, 2026; base salary $225,000/year, no salary until Sept 1, 2026.
Weiser receives $25,000 signing bonus (contingent on capitalization) and equity grants: 150,000 options + 125,000 RSUs.
25% of equity vests immediately; remainder vests quarterly over 3 years; change-of-control double-trigger acceleration.
Interim CFO Adrienne Anderson resigns effective July 1, 2026; continues as consultant for SEC reporting and compliance.
Weiser served on board since Dec 2025; also CFO of Alonti Catering Kitchens until Aug 2026.

item 5.02 item 9.01

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Appointed

Charles Weiser

Chief Financial Officer

SCWO · 374Water Inc.

Effective: 2026-07-01
Filed: July 8, 2026, 4:30 PM ET

On July 1, 2026, 374Water Inc. (the “ Company ”) appointed Charles Weiser as Chief Financial Officer (“ CFO ”) of the Company, effective July 1, 2026 (the “ Effective Date ”).

Key facts

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Executive change SEC 8-K Item 5.02 confidence 0.95

Charles Weiser was appointed as Chief Financial Officer at 374Water Inc..

Action: appointed
Role: Chief Financial Officer

Exact text from the filing

On July 1, 2026, 374Water Inc. (the “ Company ”) appointed Charles Weiser as Chief Financial Officer (“ CFO ”) of the Company, effective July 1, 2026 (the “ Effective Date ”).

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374Water Inc. filing history →

Source: SEC EDGAR

accession 0001654954-26-006548

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