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ISSUER PROFILE · CIK 0001515156

Advanced Emissions Solutions, Inc.ARQ

2 13D/G filings 2 distinct filers 0 insider transactions (365d)

Cross-Reference Snapshot

Activist filings
2
2 SC
Distinct filers
2
multi-activist cluster
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
2.11
as of 2026-03-31

13D/G Filings Timeline · 2 total

FiledFormFilerStakeSharesIntent
2023-07-24 SC Blank Jeremy view →
2023-03-13 SC Arq Ltd view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-03-31 1,959,684 2.11 +6.7%
2026-03-13 1,836,275 1.00 +18.6%
2026-02-27 1,547,576 6.93 +3.7%
2026-02-13 1,491,872 4.66 +9.8%
2026-01-30 1,358,151 4.76 -4.8%
2026-01-15 1,426,761 4.63 +13.8%
2025-12-31 1,253,313 2.81 -6.7%
2025-12-15 1,343,748 3.32 +8.1%

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