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Kate Suhadolnik

Interim Chief Financial Officer at ESS Tech
Executive

About Kate Suhadolnik

Kate Suhadolnik is Interim Chief Financial Officer (principal financial and accounting officer) of ESS Tech, Inc. (GWH) effective August 1, 2025. She is 36, a CPA, and holds a bachelor’s degree in accounting and business administration from Gonzaga University; prior roles include Controller (Apr 2023–Aug 2025), Assistant Controller (Sep 2022–Apr 2023), and SEC Reporting Manager (Sep 2021–Sep 2022), with earlier experience at The Standard (2020–2021) and Deloitte (2011–2020) . Company fundamentals during her tenure reflect a volatile revenue base and improving (but still negative) EBITDA; see table below (values in USD). Revenues citations reflect company filings; EBITDA values marked with an asterisk are retrieved from S&P Global.

MetricQ4 2024Q1 2025Q2 2025Q3 2025
Revenues$2,850,000 $599,000 $2,358,000 $214,000
EBITDA-$22,075,000*-$16,606,000*-$10,012,000*-$8,325,000*

Values retrieved from S&P Global for EBITDA.

Past Roles

OrganizationRoleYearsStrategic Impact
ESS Tech, Inc.Interim Chief Financial Officer (PFO/PAO)Aug 2025–presentPrincipal financial and accounting officer; oversight of SEC reporting and finance .
ESS Tech, Inc.ControllerApr 2023–Aug 2025Oversaw financial operations and managed accounting functions and internal controls .
ESS Tech, Inc.Assistant ControllerSep 2022–Apr 2023Supported accounting functions and internal controls .
ESS Tech, Inc.SEC Reporting ManagerSep 2021–Sep 2022Oversaw SEC reporting matters .

External Roles

OrganizationRoleYearsStrategic Impact
The Standard (insurance/financial services)Corporate Accounting & Reporting ManagerJul 2020–Sep 2021Corporate accounting and external reporting .
Deloitte & Touche LLPVarious positions of increasing responsibilitySep 2011–Jun 2020Progressive audit/finance responsibilities (as disclosed) .

Fixed Compensation

ItemDetail
Base Salary$220,000 annualized, effective Aug 1, 2025 .
Target Bonus %Not disclosed; eligible for annual cash and stock performance bonus .
Actual Bonus Paid (most recent)Not disclosed for Ms. Suhadolnik; no specific payout reported in filings reviewed -.

Performance Compensation

No Kate-specific equity award grants, option awards, or PSU/RSU metrics were disclosed in the 2025 proxy or the Aug 1, 2025 8-K. The company’s program comprises salary, cash bonuses, and stock awards, with NEO 2024 bonuses assessed against technology, engineering, product development, operations/manufacturing, business development/sales, and finance goals; for context, the prior CFO (Rabb) received a $176,323 2024 bonus based on these corporate goals . No performance weighting/targets specific to Ms. Suhadolnik were disclosed -.

Equity Ownership & Alignment

ItemDisclosure
Individual beneficial ownership (Kate Suhadolnik)Not individually listed in the 2025 beneficial ownership table; the table covers named executive officers and directors as of Aug 31, 2025 .
Group ownership (all directors and executive officers)253,270 shares, 1.7% of outstanding as of Aug 31, 2025 .
Hedging/derivativesProhibited for employees and directors (short sales, options, swaps, collars, exchange funds, etc.) .
Pledging/marginPledging and holding securities in margin accounts are prohibited .
ClawbackCompensation Recovery Policy adopted Nov 2023; non-discretionary recovery of excess incentive-based pay upon any accounting restatement (fault not required) per SEC/NYSE rules .
Stock ownership guidelines (executives)Not disclosed in the 2025 proxy -.

Employment Terms

TermDisclosure
AppointmentInterim Chief Financial Officer effective Aug 1, 2025 .
Employment natureAt-will .
Base salary$220,000 annualized .
Bonus eligibilityEligible for annual cash and stock performance bonus; amounts/targets not disclosed .
IndemnificationCompany indemnification agreement (form previously filed Oct 15, 2021) .
Family relationshipsNone with any director/executive officer .
Related-party transactionsNone requiring disclosure under Item 404(a) .
Appointment arrangements/understandingsNone; no arrangements with other persons in connection with appointment .

Investment Implications

  • Pay-for-performance alignment safeguards: Prohibitions on pledging/hedging and a Dodd-Frank-compliant clawback reduce misalignment and opportunistic trading risk; these policies are strong governance positives in compensation risk assessments .
  • Retention and overhang: Ms. Suhadolnik’s compensation is lean (base $220k) with bonus eligibility but no disclosed severance/CIC terms; absence of disclosed individual equity grants limits immediate insider-selling pressure but offers less visibility into long-term ownership alignment—monitor future RSU/PSU grants and Forms 4 for signal on retention/overhang - .
  • Near-term execution context: Company fundamentals over the last four reported quarters show small, volatile revenues and negative EBITDA, underscoring execution risk in finance and operations during her interim tenure; stabilization/improvement in EBITDA and order conversion would be constructive signals for incentive outcomes .
  • Governance/process: Compensation decisions are overseen by an independent committee; Pearl Meyer is the longstanding consultant with independence assessed—suggests a structured approach to upcoming CFO pay design (useful to watch for shifts toward RSUs vs. options and metric selection) .

Notes:

  • Revenues cited from company filings; EBITDA values marked with an asterisk are retrieved from S&P Global.
  • No Kate-specific equity grant details, vesting schedules, or ownership amounts were disclosed in the 2025 proxy or Aug 1, 2025 8-K; continue to monitor subsequent proxies and Section 16 filings for updates .