ARQ
Arq, Inc. · Manufacturing · Market cap $90.4M
Insiders bought $56K net in the last 90 days ·0 sellers, 1 buyer· latest Form 4 filed Sep 10, 2026
Insider Buying
$908K
reported purchases (SEC code P)
Insider Selling
$38K
reported sales (SEC code S)
Unique Insiders
7
in the rolling window
Latest filing
Sep 10, 2026
Steinmetz Shimon
Arq, Inc. (ARQ) has 30 SEC Form 4 filings (40 transaction rows) in the rolling window, disclosed by 7 distinct insiders. Most recent filing: Sep 10, 2026.
Inside the rolling window, 7 insiders at Arq, Inc. reported 12 open-market purchases totaling $908K and 1 open-market sale totaling $38K. The most active filer is Chief Financial Officer Steinmetz Shimon with 3 filings. Insiders have net bought $524K over the trailing 6 months. The most recent open-market filing is a purchase of 2,972 shares by Chief Financial Officer Steinmetz Shimon, dated Sep 8, 2026, worth $7K.
- Industry:Industrial - Pollution & Treatment Controls
- CEO:Robert E. Rasmus
- Employees:202
- HQ:Greenwood Village, CO, US
- IPO:2004-01-23
| Source | |||||||
|---|---|---|---|---|---|---|---|
| Chief Financial Officer | Purchase | 2,972 | $7K | Sep 10 | -7.2% | SEC ↗ | |
| Chief Financial Officer | Purchase | 5,758 | $13K | Sep 9 | -5.0% | SEC ↗ | |
Steinmetz ShimonFirst filing | Chief Financial Officer | Purchase | 16,270 | $36K | Sep 8 | -6.3% | SEC ↗ |
Voncannon Jay LoringFirst in 6 months | Chief Financial Officer | Sale | 16,709 | $38K | May 6 | -10.4% | SEC ↗ |
Campbell-Breeden RichardFirst in 4 months | Director | Purchase | 150,000 | $332K | Mar 24 | -11.2% | SEC ↗ |
Wong Joseph MFirst filing | Chief Technology Officer | Purchase | 10,000 | $19K | Mar 19 | +0.0% | SEC ↗ |
| Director | Purchase | 77,500 | $151K | Mar 17 | +9.5% | SEC ↗ | |
Smith Claiborne BensonFirst filing | Gen Counsel, Corp Secretary | Purchase | 1,000 | $2K | Mar 16 | — | SEC ↗ |
Smith Claiborne BensonFirst filing | Gen Counsel, Corp Secretary | Purchase | 1,000 | $2K | Mar 16 | — | SEC ↗ |
Voncannon Jay LoringFirst filing | Chief Financial Officer | Purchase | 9,000 | $34K | Nov 13 | — | SEC ↗ |
Voncannon Jay LoringFirst filing | Chief Financial Officer | Purchase | 6,000 | $21K | Nov 13 | — | SEC ↗ |
Campbell-Breeden RichardFirst filing | Director | Purchase | 28,638 | $101K | Nov 13 | — | SEC ↗ |
Rasmus Robert E.First filing | Chief Executive Officer | Purchase | 50,000 | $190K | Nov 12 | — | SEC ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does ARQ have?
Arq, Inc. (ARQ) has 30 SEC Form 4 filings (40 transaction rows) in the rolling 365-day window, disclosed by 7 distinct insiders. Most recent filing: Sep 10, 2026.
When was the most recent SEC Form 4 filing for ARQ?
The most recent Form 4 filing for ARQ on Tracefour is dated Sep 10, 2026.
Who is the most active insider at ARQ?
The most active SEC Form 4 filer at ARQ in the rolling window is Chief Financial Officer Steinmetz Shimon, with 3 filings.
What is the net insider flow at ARQ over the last 6 months?
Over the trailing 180 days, insiders at ARQ have net bought $524K based on SEC Form 4 disclosures.
What is the total insider buy and sell value at ARQ in the current window?
Inside the rolling window, insiders at ARQ bought $908K and sold $38K based on SEC Form 4 filings.
Can I get alerts for ARQ insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Arq, Inc. (ARQ). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Arq, Inc. is in the Manufacturing sector.