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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. 10-K Report Annual Report
  2. 3 Insider Initial Statement of Ownership
  3. 8-K Event Executive or director change · Regulation FD disclosure
  4. 4 Shares withheld for taxes Chief Product Officer gave up 606 shares (to pay taxes)
  5. 4 Shares withheld for taxes President & CEO gave up 1,071 shares (to pay taxes)
  6. 8-K Event Other events
  7. SC 13G/A Stake Amended Statement of Ownership
  8. SC 13G Stake Amended Statement of Ownership
  9. 4 Open-market buy Director bought 231,271 shares at $9.00 ($2,081,439)
  10. 4 Shares withheld for taxes Chief Accounting Officer gave up 1,034 shares (to pay taxes)
  11. SC 13G/A Stake Amended Statement of Ownership
  12. 8-K Event Bylaws or fiscal year change
  13. 4 Shares withheld for taxes Chief Product Officer gave up 957 shares (to pay taxes)
  14. 4 Shares withheld for taxes SVP of Operations of ADA-ES gave up 41 shares (to pay taxes)
  15. 4 Shares withheld for taxes President & CEO gave up 10,305 shares (to pay taxes)
  16. 8-K Event Material agreement
  17. 8-K Event Other events
  18. 8-K Event Results of operations
  19. 10-Q Report Quarterly Report
  20. 4 Grant or award President & CEO acquired 50,000 shares (grant or award)

Page 26 of 41 · 813 filings