Arq finalizes separation agreements with former COO and CFO, including cash severance and equity acceleration

Arq, Inc.

COO Williamson receives 12 months' base salary (~$361,500), COBRA lump-sum, accelerated vesting of 34,270 restricted stock and 49,736 PSUs.
CFO Voncannon gets accelerated vesting of 50,000 restricted shares; no additional cash severance beyond statutory COBRA.
Both departures effective April 18, 2026; separation agreements became effective April 29, 2026 after revocation period.

item 5.02 item 9.01

Executive movements

Machine-extracted from this filing. Every card cites the SEC source. See all recent executive movements.

Departed

Jay Voncannon

Chief Financial Officer

ARQ · Arq, Inc.

Effective: 2026-04-18
Filed: May 1, 2026, 7:59 PM ET

Jeremy “Deke” Williamson ceased serving as the Chief Operating Officer and Jay Voncannon ceased serving as Chief Financial Officer of Arq, Inc.

Departed

Jeremy "Deke" Williamson

Chief Operating Officer

ARQ · Arq, Inc.

Effective: 2026-04-18
Filed: May 1, 2026, 7:59 PM ET

Jeremy “Deke” Williamson ceased serving as the Chief Operating Officer and Jay Voncannon ceased serving as Chief Financial Officer of Arq, Inc.

Key facts

Extracted from this filing and checked against the source text.

Executive change SEC 8-K Item 5.02 confidence 0.95

Jay Voncannon departed as Chief Financial Officer at Arq, Inc..

Action: ceased serving and terminated
Role: Chief Financial Officer

Exact text from the filing

Jeremy “Deke” Williamson ceased serving as the Chief Operating Officer and Jay Voncannon ceased serving as Chief Financial Officer of Arq, Inc.

View on SEC.gov

Executive change SEC 8-K Item 5.02 confidence 0.95

Jeremy "Deke" Williamson departed as Chief Operating Officer at Arq, Inc..

Action: ceased serving and terminated
Role: Chief Operating Officer

Exact text from the filing

Jeremy “Deke” Williamson ceased serving as the Chief Operating Officer and Jay Voncannon ceased serving as Chief Financial Officer of Arq, Inc.

View on SEC.gov

Arq, Inc. filing history →

Source: SEC EDGAR

accession 0001515156-26-000057

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