Form4insider filings, from the source

Company · CIK 0001515156 · SIC 2890 — Miscellaneous Chemical Products · Nasdaq

Arq, Inc. · ARQ

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $56k · 3sales $0 · 0net $56k
$10k$10k$100k$100k$1M$1MbuyssalesMar 28Apr 27May 28Jun 28Jul 29Aug 29Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 8, 2026 PForm 4 →Sep 10, 5:33 pm EDTShimon SteinmetzChief Financial Officer2,972$2.34$6,95315,000+24.7%
Sep 4, 2026 PForm 4 →Sep 9, 5:32 pm EDTShimon SteinmetzChief Financial Officer5,758$2.28$13,11313,126+78.1%
Sep 3, 2026 PForm 4 →Sep 8, 5:32 pm EDTShimon SteinmetzChief Financial Officer16,270$2.22$36,1488,770—
Sep 1, 2026 AForm 4 →Sep 3, 5:32 pm EDTPeter Oluoch OwinoChief Accounting Officer161,047——161,047—
Aug 14, 2026 AForm 4 →Aug 18, 5:10 pm EDTJoseph M WongChief Technology Officer55,000——506,648—
Aug 1, 2026 AForm 4 →Aug 4, 8:30 pm EDTClaiborne Benson SmithGen Counsel, Corp Secretary61,047——155,513—
Aug 1, 2026 AForm 4 →Aug 4, 8:29 pm EDTJoseph M WongChief Technology Officer61,047——451,648—
Jul 31, 2026 AForm 4 →Aug 4, 8:31 pm EDTShimon SteinmetzChief Financial Officer343,023——343,023—
Jul 1, 2026 AForm 4 →Jul 6, 5:32 pm EDTCarol S EicherDirector24,641——198,651—
Jul 1, 2026 AForm 4 →Jul 6, 5:32 pm EDTJeremy BlankDirector49,283——128,045—
Jul 1, 2026 AForm 4 →Jul 6, 5:32 pm EDTLaurie BergmanDirector24,641——76,343—
Jul 1, 2026 AForm 4 →Jul 6, 5:32 pm EDTJulian Alexander McIntyreDirector49,283——108,261—
Jul 1, 2026 AForm 4 →Jul 6, 5:32 pm EDTRichard Campbell-BreedenDirector49,283——136,151—

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 1, 2026 AForm 4 →Sep 3, 5:32 pm EDTPeter Oluoch OwinoChief Accounting Officer61,047——61,047—
Aug 1, 2026 AForm 4 →Aug 4, 8:30 pm EDTClaiborne Benson SmithGen Counsel, Corp Secretary61,047——61,047—
Aug 1, 2026 AForm 4 →Aug 4, 8:29 pm EDTJoseph M WongChief Technology Officer61,047——61,047—
Jul 31, 2026 AForm 4 →Aug 4, 8:31 pm EDTShimon SteinmetzChief Financial Officer243,023——93,023—
Jul 17, 2026 ADForm 4 →Jul 23, 5:12 pm EDTRobert E. RasmusChief Executive Officer, Director2,000,000——600,000— late