---
schema_version: "secwatch.filing_event.v1"
accession: "0001654954-26-006548"
form_type: "8-K"
ticker: "SCWO"
cik: "0000933972"
company_name: "374Water Inc."
filed_at: "2026-07-08T20:30:36+00:00"
generated_at: "2026-07-08T20:32:21.182544+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# 374Water appoints Charles Weiser as CFO; interim CFO resigns

## Summary
- 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.

## SEC filing metadata
- accession: 0001654954-26-006548
- form_type: 8-K
- ticker: SCWO
- cik: 0000933972
- company_name: 374Water Inc.
- filed_at: 2026-07-08T20:30:36+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/933972/000165495426006548/0001654954-26-006548-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/933972/000165495426006548/scwo_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001654954-26-006548
- JSON: https://secwatch.observer/filing/0001654954-26-006548.json
- Plain text: https://secwatch.observer/filing/0001654954-26-006548.txt

## Key facts
- Executive change
  Charles Weiser was appointed as Chief Financial Officer at 374Water Inc..
  - Action: appointed
  - Role: Chief Financial Officer
  source text: 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 ”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/933972/000165495426006548/0001654954-26-006548-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.