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CIK 0001515156 · Accelerated filer<br>Smaller reporting company

Ticker
ARQ
Exchange
Nasdaq
Industry
Miscellaneous Chemical Products
FY end
Dec 31
Entity type
operating
EIN
275472457
Phone
720-598-3500
Business address
8051 E. MAPLEWOOD AVE., STE 210, GREENWOOD VILLAGE, CO, 80111
Former names
Advanced Emissions Solutions, Inc.
  1. CORRESP Other Correspondence Between Filers and SEC Staff
  2. UPLOAD Other SEC-generated Letter
  3. 4 Returned to the company Chief Product Officer returned 6,396 shares (to the company)
  4. SC 13G Stake Amended Statement of Ownership
  5. SC TO-I Deal Tender Offer Statement by Issuer
  6. 15-12G Other 15-12G
  7. 8-A12B Other Registration of Securities
  8. 8-K Event Material agreement · Results of operations · Shareholder rights changed · Bylaws or fiscal year change
  9. 10-Q Report Quarterly Report
  10. ARS Other Annual Report to Security Holders
  11. DEF 14A Proxy Proxy Statement
  12. 4 Shares withheld for taxes Chief Accounting Officer gave up 4,797 shares (to pay taxes)
  13. 4 Shares withheld for taxes General Counsel gave up 2,709 shares (to pay taxes)
  14. 4 Shares withheld for taxes SVP of Operations of ADA-ES gave up 4,725 shares (to pay taxes)
  15. 4 Grant or award President & CEO acquired 60,000 shares (grant or award)
  16. 4 Grant or award Chief Accounting Officer acquired 12,500 shares (grant or award)
  17. 4 Grant or award Chief Product Officer acquired 10,000 shares (grant or award)
  18. 4 Grant or award SVP of Operations of ADA-ES acquired 10,000 shares (grant or award)
  19. 4 Grant or award General Counsel acquired 10,000 shares (grant or award)
  20. 8-K Event Results of operations

Page 25 of 41 · 813 filings