374Water Q1 revenue flat at $551K; gross margin jumps to 63% from 25% YoY; advances key contracts

374Water Inc.

2026-Q1 EPS reported -$0.26 revenue$551,155

Revenue $551,155 (flat YoY); gross margin 63% vs 25% – 38 percentage point improvement.
Net loss widened to $4.57M from $3.70M; operating cash burn improved 28% to $2.51M.
Signed 5-year WDS agreement with City of Orlando; received $2.2M milestone from Garney for Olathe contract ($4.5M total).
Deployed mobile AirSCWO to St. Cloud, MN for 6-month PFAS campaign; OC San AirSCWO 6 passed factory test.
WDS facility buildout underway; expects initial monthly revenue $100-200K, scaling to >$400K by late 2027.

item 2.02 item 9.01

Key facts

Extracted from this filing and checked against the source text.

Earnings Releases SEC 8-K Item 2.02 confidence 0.98

374Water Inc. reported the quarter ended March 31, 2026 results: revenue $551,155, net income $(4,571,623).

Period: the quarter ended March 31, 2026
Revenue: $551,155
Net income: $(4,571,623)
Result: reported results

Exact text from the filing

Financial Highlights for Q1 2026 Compared to Q1 2025 · Revenue: $551,155 vs. $543,100 in Q1 2025 · Gross Margin: $348,412 (63%) vs. $138,283 (25%) in Q1 2025 — a 38-percentage-point improvement year-over-year · Net Loss: $(4,571,623) vs.

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Source: SEC EDGAR

accession 0001654954-26-004906

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