Sales and marketing expense declined 57% year over year on lower personnel costs, reduced outside services, and lower marketing and trade show spending.

Aug 11, 2026 / receipt, needs a key / Kate Suhadolnik, CFO | earnings call 2026-08-11 | transcript 699b7b2d-e9e0-4ed5-948e-3f77eca3776e | chars 17705-17857 | segment 17

First-half operating cash burn down 27% YoY to $22.4 million

ir_statement / Sep 15, 2026 / receipt

First-half operating expenses down 12% YoY to $14.5 million

ir_statement / Sep 15, 2026 / receipt

Aligned resources to support an expanded focus on AI infrastructure and data center markets.

ir_statement / Sep 15, 2026 / receipt

Announced the acceleration of U.S.-made sodium-ion BESS development following strong early customer interest.

ir_statement / Sep 15, 2026 / receipt

Streamlined Wilsonville operations to reduce expenses and cash burn, reallocating capital toward sodium-ion and related solutions to complement iron flow.

ir_statement / Sep 15, 2026 / receipt

1H’26 OPERATING CASH USE DOWN 27%

ir_statement / Sep 15, 2026 / receipt

First-half operating expenses declined 12% year-over-year to $14.5 million.

ir_statement / Sep 15, 2026 / receipt

Sales and marketing expense down 57% on lower personnel, outside services and marketing costs.

ir_statement / Sep 15, 2026 / receipt

Aircraft N300WB, registered to GARMIN INTERNATIONAL INC, landed at KSLE (Salem-Willamette Valley Airport/McNary Field) on 2026-09-04. KSLE is 30.0 miles from the headquarters of ESS Tech Inc. in WILSONVILLE, OR.

company_statement / Sep 4, 2026 / receipt