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ARQNasdaq
Arq, Inc.
Miscellaneous Chemical Products · CIK 1515156
Arq, Inc. produces mercury removal products and other consumables for pollutant reduction
red 8-K · 90d
$115M
Market cap
$2.50
Last close
+6.8%
1D
-3.1%
5D
335K
Volume
Price · last 39 sessions+2.0%
May 4L $2.28 · H $2.84Jun 29
301
Total filings
Jun 18, 2026
Last filing
12/31
Fiscal year end
8-KExecutive ChangeJun 18, 20268-KExecutive Change · Shareholder VoteJun 11, 20268-KExecutive Change · Company UpdateMay 27, 20268-KResults of OperationsMay 6, 202610-Q10-QMay 6, 20268-KExecutive ChangeMay 1, 2026DEFA14ADEFA14AApr 28, 2026DEF 14ADEF 14AApr 28, 20268-KMaterial Agreement · Security-Holder RightsApr 17, 20268-KMaterial AgreementApr 1, 202610-K10-KMar 10, 20268-KResults of OperationsMar 10, 20268-KMaterial AgreementMar 3, 20268-KMaterial AgreementJan 29, 20268-KMaterial AgreementDec 11, 20258-KResults of OperationsNov 5, 202510-Q10-QNov 5, 20258-K/AShareholder VoteAug 14, 20258-KResults of OperationsAug 11, 202510-Q10-QAug 11, 20258-KCompany UpdateAug 6, 20258-KAuditor ChangeJun 9, 20258-KExecutive Change · Shareholder VoteJun 6, 20258-KResults of OperationsMay 7, 202510-Q10-QMay 7, 20258-KCompany UpdateMay 6, 2025DEFA14ADEFA14AApr 21, 2025DEF 14ADEF 14AApr 21, 20258-KMaterial Agreement · Security-Holder RightsApr 11, 20258-KExecutive ChangeApr 2, 202510-K10-KMar 5, 20258-KResults of OperationsMar 5, 20258-KResults of Operations · Reg FD DisclosureFeb 7, 20258-KMaterial Agreement · Agreement TerminatedJan 2, 202510-Q10-QNov 7, 20248-KResults of OperationsNov 7, 2024424B5424B5Sep 20, 20248-KMaterial Agreement · Agreement TerminatedSep 20, 2024424B5424B5Sep 19, 20248-KResults of OperationsAug 12, 202410-Q10-QAug 12, 20248-KExecutive Change · Shareholder VoteJun 13, 2024SC 13GSC 13GMay 30, 20248-KMaterial Agreement · Equity IssuanceMay 16, 202410-Q10-QMay 8, 20248-KResults of OperationsMay 8, 2024DEFA14ADEFA14AApr 29, 2024DEF 14ADEF 14AApr 29, 20248-KMaterial Agreement · Security-Holder RightsApr 16, 20248-KResults of OperationsMar 12, 202410-K10-KMar 12, 20248-KMaterial AgreementFeb 13, 20248-KBylaw Amendment · Company UpdateJan 31, 20248-KMaterial Agreement · Company UpdateJan 24, 2024S-1S-1Jan 4, 20248-KResults of OperationsNov 8, 202310-Q10-QNov 8, 20238-KExecutive ChangeNov 8, 20238-KExecutive Change · Company UpdateSep 18, 20238-KResults of OperationsAug 9, 202310-Q10-QAug 9, 20238-K/AExecutive ChangeAug 3, 20238-KExecutive Change · Equity IssuanceJul 17, 20238-KShareholder VoteJun 15, 20238-KMaterial AgreementJun 6, 20238-KResults of OperationsMay 9, 202310-Q10-QMay 9, 2023DEFA14ADEFA14AApr 27, 2023DEF 14ADEF 14AApr 27, 20238-KExecutive Change · Material AgreementApr 14, 20238-KReg FD Disclosure · Company UpdateMar 29, 2023SC 13DSC 13DMar 20, 2023SC 13DSCHEDULE 13DMar 13, 20238-KResults of OperationsMar 8, 202310-K10-KMar 8, 20238-K/ACompany UpdateMar 2, 2023SC 13DSCHEDULE 13DFeb 14, 20238-KExecutive Change · Material AgreementFeb 1, 2023425425Nov 10, 2022425425Nov 9, 2022
Insider Activity
◆ Cluster Buy · 4 insidersIn the 90 days to Mar 23, 2026: 4 insiders bought $505K.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 23, 2026 | Campbell-Breeden RichardDirector | Buy | 150,000 | $2.21 | $332K |
| Mar 17, 2026 | Wong Joseph MChief Technology Officer | Buy | 10,000 | $1.89 | $19K |
| Mar 16, 2026 | Smith Claiborne BensonGen Counsel, Corp Secretary | Buy | 1,000 | $1.92 | $2K |
| Mar 13, 2026 | Eicher Carol SDirector | Buy | 77,500 | $1.95 | $151K |
| Mar 12, 2026 | Smith Claiborne BensonGen Counsel, Corp Secretary | Buy | 1,000 | $1.92 | $2K |
| Nov 11, 2025 | Campbell-Breeden RichardDirector | Buy | 28,638 | $3.54 | $101K |
| Nov 11, 2025 | Voncannon Jay LoringChief Financial Officer | Buy | 6,000 | $3.55 | $21K |
| Nov 10, 2025 | Rasmus Robert E.Chief Executive Officer | Buy | 50,000 | $3.79 | $190K |
| Nov 10, 2025 | Voncannon Jay LoringChief Financial Officer | Buy | 9,000 | $3.74 | $34K |
Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.
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