-
May 06, 2026 23:59 UTC
earnings
materiality 0.60
neutral
item 2.02item 9.01
Arq Q1 revenue up 7% to $29.1M but net loss of $0.8M; reaffirms FY guidance
Revenue $29.1M in Q1 2026 vs $27.2M in Q1 2025; gross margin 34.2% vs 36.4%.
-
May 01, 2026 23:59 UTC
leadership
materiality 0.60
neutral
item 5.02item 9.01
Arq finalizes separation agreements with former COO and CFO, including cash severance and equity acceleration
COO Williamson receives 12 months' base salary (~$361,500), COBRA lump-sum, accelerated vesting of 34,270 restricted stock and 49,736 PSUs.
-
Apr 17, 2026 23:59 UTC
other_material
materiality 0.30
neutral
item 1.01item 3.03item 9.01
ARQ extends Tax Asset Protection Plan expiration to Dec 31, 2027
Ninth Amendment extends TAPP final expiration to Dec 31, 2027 (or Dec 31, 2026 without stockholder approval).
-
Apr 01, 2026 23:59 UTC
debt
materiality 0.50
neutral
item 1.01item 9.01
Arq enters fifth amendment to credit agreement, adjusts liquidity covenant and borrowing base
Replaces minimum liquidity covenant with $2.5M availability reserve, increasing to $5M in Jan 2027.
-
Mar 10, 2026 23:59 UTC
earnings
materiality 0.85
negative
item 2.02item 9.01
Arq reports record $120M revenue but $52.6M net loss; $45M impairment on Corbin; pauses GAC
FY 2025 revenue $120.3M (+10% YoY); Q4 revenue $29.4M.
-
Mar 03, 2026 23:59 UTC
debt
materiality 0.60
neutral
item 1.01item 9.01
Arq amends credit agreement to lower minimum liquidity covenant through March 2026
Fourth Amendment to revolving credit agreement with MidCap Funding IV Trust, dated Feb 27, 2026.
-
Jan 29, 2026 23:59 UTC
debt
materiality 0.45
neutral
item 1.01item 9.01
Arq amends credit agreement; borrow-base & liquidity relief extended to Feb 2026
Third Amendment to Revolving Credit Agreement with MidCap Funding IV Trust.
-
Dec 11, 2025 23:59 UTC
debt
materiality 0.55
neutral
item 1.01item 9.01
Arq amends credit agreement; liquidity floor cut to $2M through Jan 30, 2026
Minimum liquidity reduced from $5M to $2M for Dec 10, 2025–Jan 30, 2026; reverts to $5M after Jan 31, 2026.
-
Nov 05, 2025 23:59 UTC
earnings
materiality 0.55
neutral
item 2.02item 9.01
Arq Q3 2025 revenue $35.1M (+1% YoY); adj. EBITDA $5.2M (6th consecutive positive)
Revenue of $35.1M, up 1% YoY; average selling price increased 7% year-over-year.
-
Aug 14, 2025 23:59 UTC
other
materiality 0.12
neutral
item 5.07
Arq board adopts annual Say-on-Pay votes after stockholder preference at 2025 meeting
Stockholders at June 3, 2025 annual meeting voted in favor of annual Say-on-Pay votes.
-
Aug 11, 2025 23:59 UTC
earnings
materiality 0.65
positive
item 2.02item 9.01
Arq Q2 revenue up 13% to $28.6M, Adj. EBITDA $3.7M; commissions first GAC line at Red River
Revenue $28.6M (+13% YoY); ASP +9%; gross margin improved to 33.3% from 32.2%.
-
Aug 06, 2025 23:59 UTC
other_material
materiality 0.75
positive
item 8.01item 9.01
Arq successfully commissions first GAC line at Red River; targeting 25M lbs annual production
First granular activated carbon line commissioned at Red River; initial sales revenue from test shipments.
-
Jun 09, 2025 23:59 UTC
other
materiality 0.20
neutral
item 4.01item 9.01
Arq changes auditor to Baker Tilly after Moss Adams merger
Moss Adams merged with Baker Tilly effective June 3, 2025; Moss Adams resigned as auditor.
-
Jun 06, 2025 23:59 UTC
other
materiality 0.20
neutral
item 5.02item 5.07item 8.01item 9.01
Arq annual meeting: Wells and Li depart, new board committee chairs
L. Spencer Wells and Gilbert Li did not stand for reelection, ending board service as of June 3, 2025.