Arq, Inc. (ARQ)
Nasdaq: ARQ · Miscellaneous Chemical Products · Greenwood Village, CO · filing with the SEC since 2011
Who owns Arq, Inc.
As filed with the SECHolders of 5% or more
1
Daniel Kaufman holds 5.12% of Common Stock, $0.001 par value, as its SCHEDULE 13G filed Mar 12, 2026 says.
Directors and officers
13
report now, of 32 people on the record since 2013. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 1 named at left.
Holders of 5% or moreshare of the class, as filed
Daniel Kaufman
SCHEDULE 13G · filed Mar 12, 2026 · Common Stock, $0.001 par value
Orin Hirschman
SCHEDULE 13G/A · filed Apr 27, 2026 · Common Stock, $0.001 par value · reported falling below 5%, from 5.8% in Jan 28, 2026
What ARQ reports owning in othersstakes of 5% or more, and other ties
24 subsidiaries in 3 countries, from the list filed with the 10-K filed Mar 5, 2025.
Insider tradesForm 4
1sales
15purchases
0sales on a scheduled plan
1people selling
$0sold, in dollars
$900,000bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window7 of 33 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Steinmetz Shimon | Chief Financial Officer | 0 | $0 | 0 | 6 | $100,000 |
| Voncannon Jay Loring | Chief Financial Officer | 1 | $0 | 0 | 2 | $100,000 |
| Smith Claiborne Benson | Gen Counsel, Corp Secretary | 0 | $0 | 0 | 2 | $0 |
| Campbell-Breeden Richard | director | 0 | $0 | 0 | 2 | $400,000 |
| Rasmus Robert E. | Chief Executive Officer | 0 | $0 | 0 | 1 | $200,000 |
| Wong Joseph M | Chief Technology Officer | 0 | $0 | 0 | 1 | $0 |
| Eicher Carol S | director | 0 | $0 | 0 | 1 | $200,000 |