Comparable stake leader
Daniel Louis Kaufman
SEC ownership of Arq, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001515156.
Disclosed value leader
Julian Alexander McIntyre
Comparable rows
50/50
Latest evidence
04 May 2026
- Public ticker
- ARQ on Nasdaq
- Parsed ownership sources
-
13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Daniel Louis Kaufman
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Daniel Louis Kaufman
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
04 May 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001515156
- Issuer location
- Greenwood Village, CO
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Arq, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Daniel Louis Kaufman
Disclosed value leader
Julian Alexander McIntyre
Comparable rows
50/50
Latest evidence
04 May 2026
13D/G
3/4/5
13F
Lead comparable stake: 5.1%
13D/G row: Daniel Louis Kaufman
Showing 1-8 of 50 holder rows.
Quick read
Daniel Louis Kaufman leads the comparable SEC ownership view at 5.1%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Daniel Louis Kaufman's linked filing trail.
Comparable ownership
Top 5
Daniel Louis Kaufman
5.1%
Julian Alexander McIntyre
7.6%
Jeremy Blank
5.8%
Richard Campbell-Breeden
1.1%
Joseph M. Wong
0.91%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Daniel Louis Kaufman |
13D/G
Daniel Kaufman
|
5.1%
|
$8,436,420
2,191,278 shares
|
$0 | 11 Mar 2026 |
| Julian Alexander McIntyre |
3/4/5
Director
|
7.6%
|
$22,881,879
3,250,267 shares
|
— | 25 Sep 2025 |
| Jeremy Blank |
3/4/5
Director
|
5.8%
|
$13,288,946
2,488,567 shares
|
— | 01 Jul 2025 |
| Richard Campbell-Breeden |
3/4/5
Director
|
1.1%
|
$1,179,080
491,654 shares
|
+$433,152 | 23 Mar 2026 |
| Joseph M. Wong |
3/4/5
Chief Technology Officer
|
0.91%
|
$1,277,265
390,601 shares
|
+$3,030 | 23 Mar 2026 |
| Jeremy Williamson |
3/4/5
Chief Operating Officer
|
0.43%
|
$651,477
185,606 shares
|
-$9,266 | 27 Feb 2026 |
| Carol S. Eicher |
3/4/5
Director
|
0.41%
|
$339,058
174,010 shares
|
+$151,009 | 13 Mar 2026 |
| Claiborne B. Smith |
3/4/5
Gen Counsel, Corp Secretary
|
0.22%
|
$308,903
94,466 shares
|
-$9,637 | 23 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to buying over the last 12 months. Net value: +$760,660.
Buys
$851,458
Insiders: 6
Sells
$90,798
Insiders: 5
Net
+$760,660
Shares: +306,262
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 333,138
Shares: 26,876
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 16,709 | $0 | $37,929 | -$37,929 |
| 3-6 | 239,500 | 0 | $505,410 | $0 | +$505,410 |
| 6-9 | 93,638 | 0 | $346,048 | $0 | +$346,048 |
| 9-12 | 0 | 10,167 | $0 | $52,868 | -$52,868 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-19 of 19 reporting-owner rows connected to Arq, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
19
Largest Forms 3/4/5 holder
Julian Alexander McIntyre
Net 12M change
+$760,661
Latest report
14 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Julian Alexander McIntyre | Director | $22,881,879 | Mixed | 25 Sep 2025 | ||
| Jeremy Blank | Director | $13,288,946 | Mixed | 01 Jul 2025 | ||
| Alta Fundamental Advisers LLC | Director | $12,660,729 | Mixed | 01 Jul 2024 | ||
| Arq Ltd | 10%+ Owner | $9,659,236 | Mixed | 01 Feb 2023 | ||
| Robert E. Rasmus | Chief Executive Officer, Director | $3,526,477 | +$189,590 | +5.7% | Mixed | 23 Mar 2026 |
| Joseph M. Wong | Chief Technology Officer | $1,277,265 | +$3,030 | +0.24% | Mixed | 23 Mar 2026 |
| Richard Campbell-Breeden | Director | $1,179,080 | +$433,152 | +58% | Mixed | 23 Mar 2026 |
| Jeremy Williamson | Chief Operating Officer | $651,477 | -$9,266 | -1.4% | Mixed | 27 Feb 2026 |
| Louis Spencer Wells | Director | $642,264 | Mixed | 01 Jul 2024 | ||
| Greg P. Marken | Ceo | $471,993 | Mixed | 23 Mar 2023 | ||
| Carol S. Eicher | Director | $339,058 | +$151,009 | +80% | Filing P/S | 13 Mar 2026 |
| Claiborne B. Smith | Gen Counsel, Corp Secretary | $308,903 | -$9,637 | -3% | Mixed | 23 Mar 2026 |
| Laurie Bergman | Director | $276,088 | Mixed | 01 Jul 2025 | ||
| Stacia Hansen | Chief Accounting Officer | $210,277 | -$14,258 | -6.4% | Mixed | 23 Mar 2026 |
| Taylor J. Simonton | Director | $166,659 | Mixed | 01 Jul 2022 | ||
| Morgan Fields | Chief Accounting Officer | $163,565 | Mixed | 17 Aug 2023 | ||
| Jay Loring Voncannon | Chief Financial Officer | $109,620 | +$17,041 | +18% | Filing P/S | 04 May 2026 |
| Theodore James Sanders | General Counsel | $71,481 | Mixed | 19 Nov 2021 | ||
| Peter Oluoch Owino | Chief Accounting Officer | Mixed | 14 Jun 2026 |
Recent insider transactions for Arq, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Jay Loring Voncannon | ARQ | Common Stock | Sale | -25.7% | $37,929 | $2.27 | -16,709 | 48,291 | 04 May 2026 | Direct |
| Joseph M. Wong | ARQ | Common Stock | Tax liability | -2.52% | -10,085 | 390,601 | 23 Mar 2026 | Direct | ||
| Claiborne B. Smith | ARQ | Common Stock | Tax liability | -7.83% | -8,025 | 94,466 | 23 Mar 2026 | Direct | ||
| Stacia Hansen | ARQ | Common Stock | Tax liability | -12.2% | -8,894 | 64,305 | 23 Mar 2026 | Direct | ||
| Robert E. Rasmus | ARQ | Common Stock | Tax liability | -0.18% | -845 | 479,937 | 23 Mar 2026 | Direct | ||
| Richard Campbell-Breeden | ARQ | Common Stock | Purchase | 58.9% | $331,665 | $2.21 | 150,000 | 404,786 | 23 Mar 2026 | By Omeshorn Holdings Limited. |
| Joseph M. Wong | ARQ | Common Stock | Purchase | 2.56% | $18,900 | $1.89 | 10,000 | 400,686 | 17 Mar 2026 | Direct |
| Claiborne B. Smith | ARQ | Common Stock | Purchase | 0.99% | $1,918 | $1.92 | 1,000 | 102,491 | 16 Mar 2026 | Direct |
| Carol S. Eicher | ARQ | Common Stock | Purchase | 80.3% | $151,009 | $1.95 | 77,500 | 174,010 | 13 Mar 2026 | Direct |
| Claiborne B. Smith | ARQ | Common Stock | Purchase | 1% | $1,918 | $1.92 | 1,000 | 101,491 | 12 Mar 2026 | Direct |
| Joseph M. Wong | ARQ | Common Stock | Tax liability | -4.25% | -17,338 | 390,686 | 27 Feb 2026 | Direct | ||
| Joseph M. Wong | ARQ | Common Stock | Options Exercise | 11% | 40,286 | 408,024 | 27 Feb 2026 | Direct | ||
| Joseph M. Wong | ARQ | Performance Share Units | Options Exercise | -100% | -30,225 | 0 | 27 Feb 2026 | Direct | ||
| Jeremy Williamson | ARQ | Common Stock | Tax liability | -8.97% | -18,282 | 185,606 | 27 Feb 2026 | Direct | ||
| Jeremy Williamson | ARQ | Common Stock | Options Exercise | 50.7% | 68,600 | 203,888 | 27 Feb 2026 | Direct | ||
| Jeremy Williamson | ARQ | Performance Share Units | Options Exercise | -100% | -51,467 | 0 | 27 Feb 2026 | Direct | ||
| Claiborne B. Smith | ARQ | Common Stock | Tax liability | -9.2% | -10,176 | 100,491 | 27 Feb 2026 | Direct | ||
| Claiborne B. Smith | ARQ | Common Stock | Options Exercise | 34.2% | 28,229 | 110,667 | 27 Feb 2026 | Direct | ||
| Claiborne B. Smith | ARQ | Performance Share Units | Options Exercise | -100% | -21,179 | 0 | 27 Feb 2026 | Direct | ||
| Jay L. Voncannon | ARQ | Common Stock | Purchase | 10.2% | $21,310 | $3.55 | 6,000 | 65,000 | 11 Nov 2025 | Direct |
| Richard Campbell-Breeden | ARQ | Common Stock | Purchase | 12.7% | $101,487 | $3.54 | 28,638 | 254,786 | 11 Nov 2025 | By Omeshorn Holdings Limited. |
| Jay L. Voncannon | ARQ | Common Stock | Purchase | 18% | $33,660 | $3.74 | 9,000 | 59,000 | 10 Nov 2025 | Direct |
| Robert E. Rasmus | ARQ | Common Stock | Purchase | 241.3% | $189,590 | $3.79 | 50,000 | 70,718 | 10 Nov 2025 | By RER Investments LLC |
| Julian Alexander McIntyre | ARQ | Common Stock | Other | -0.93% | -30,000 | 3,191,289 | 25 Sep 2025 | By Allard Services Limited | ||
| Jeremy Williamson | ARQ | Common Stock | Tax liability | -1.48% | -2,029 | 135,288 | 18 Sep 2025 | Direct | ||
| Joseph M. Wong | ARQ | Common Stock | Sale | -0.82% | $15,870 | $5.20 | -3,052 | 367,738 | 04 Aug 2025 | Direct |
| Claiborne B. Smith | ARQ | Common Stock | Sale | -3.05% | $13,473 | $5.20 | -2,591 | 82,438 | 04 Aug 2025 | Direct |
| Stacia Hansen | ARQ | Common Stock | Sale | -3.61% | $14,258 | $5.20 | -2,742 | 73,199 | 04 Aug 2025 | Direct |
| Jeremy Williamson | ARQ | Common Stock | Sale | -1.28% | $9,266 | $5.20 | -1,782 | 137,317 | 04 Aug 2025 | Direct |
| Julian Alexander McIntyre | ARQ | Common Stock | Award | 58.8% | 21,828 | 58,978 | 01 Jul 2025 | Direct | ||
| Richard Campbell-Breeden | ARQ | Common Stock | Award | 50.4% | 29,104 | 86,868 | 01 Jul 2025 | Direct | ||
| Jeremy Blank | ARQ | Common Stock | Award | 58.6% | 29,104 | 78,762 | 01 Jul 2025 | Direct | ||
| Carol S. Eicher | ARQ | Common Stock | Award | 17.8% | 14,552 | 96,510 | 01 Jul 2025 | Direct | ||
| Laurie Bergman | ARQ | Common Stock | Award | 39.2% | 14,552 | 51,702 | 01 Jul 2025 | Direct |
* marks a reported price that did not pass the local price check.