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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. SC 13D/A Stake Beneficial Ownership Report
  2. 4 Open-market buy Director bought 375,000 shares at $20.97 ($7,863,750)
  3. 8-K Event Delisting notice · Regulation FD disclosure
  4. 8-K Event Executive or director change · Other events
  5. 3 Insider Initial Statement of Ownership
  6. 8-K Event Executive or director change · Regulation FD disclosure
  7. 4 Derivatives Options or other derivatives
  8. 4 Shares withheld for taxes COO gave up 14,967 shares (to pay taxes)
  9. 4 Shares withheld for taxes President and CEO gave up 50,939 shares (to pay taxes)
  10. 4 Shares withheld for taxes SVP & CFO gave up 35,556 shares (to pay taxes)
  11. 8-K Event Restatement · Regulation FD disclosure
  12. 8-K Event Regulation FD disclosure
  13. 4 Shares withheld for taxes General Counsel & VP gave up 127 shares (to pay taxes)
  14. 3 Insider Initial Statement of Ownership
  15. SC 13D Stake Beneficial Ownership Report
  16. 3 Insider Initial Statement of Ownership
  17. 8-K Event Executive or director change · Bylaws or fiscal year change
  18. 8-K Event Restatement
  19. 4 Shares withheld for taxes Executive Vice President gave up 2,015 shares (to pay taxes)
  20. 8-K Event Regulation FD disclosure

Page 34 of 41 · 813 filings