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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. 4/A Shares withheld for taxes Chief Operating Officer gave up 6,067 shares (to pay taxes)
  2. 4/A Shares withheld for taxes Chief Operating Officer gave up 4,985 shares (to pay taxes)
  3. 4/A Shares withheld for taxes Chief Accounting Officer gave up 4,865 shares (to pay taxes)
  4. 4/A Shares withheld for taxes Chief Technology Officer gave up 7,326 shares (to pay taxes)
  5. 4 Shares withheld for taxes Chief Technology Officer gave up 7,326 shares (to pay taxes)
  6. 4 Shares withheld for taxes Chief Accounting Officer gave up 4,865 shares (to pay taxes)
  7. 4 Shares withheld for taxes Chief Operating Officer gave up 4,985 shares (to pay taxes)
  8. 4 Shares withheld for taxes Chief Operating Officer gave up 6,067 shares (to pay taxes)
  9. 8-K Event Results of operations
  10. 10-K Report Annual Report
  11. 8-K Event Material agreement
  12. EFFECT Other Notice of Effectiveness
  13. 8-K Event Bylaws or fiscal year change · Other events
  14. SC 13D/A Stake Beneficial Ownership Report
  15. CORRESP Other Correspondence Between Filers and SEC Staff
  16. S-3/A Offering Registration Statement
  17. 4/A Grant or award Director acquired 210,362 shares (grant or award)
  18. 4/A Other acquisition Director acquired 385,217 shares (other)
  19. 8-K Event Material agreement · Other events
  20. UPLOAD Other SEC-generated Letter

Page 9 of 41 · 813 filings