Holder evidence
50
SEC ownership of DMC Global Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000034067.
Lead holder
COOKE & BIELER LP
13D/G signal
COOKE & BIELER LP
Latest evidence
28 May 2026
- CIK
- 0000034067
- Symbol
- BOOM on Nasdaq
- Location
- Broomfield, CO
- SEC evidence mix
- 13D/G, 13F, and 3/4/5
- Lead holder
- COOKE & BIELER LP
- Latest large-stake holder
- COOKE & BIELER LP
- Latest evidence date
- 28 May 2026
Issuer identity
Ownership snapshot
Ownership snapshot
Top shareholders of DMC Global 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.
Lead holder
COOKE & BIELER LP
13D/G signal
COOKE & BIELER LP
Evidence rows
50
Latest as of
28 May 2026
13D/G
13F
3/4/5
Lead comparable stake: 9.7%
13D/G row: COOKE & BIELER LP
Showing first 8 of 50 holder rows.
Open remaining rows
Rank 1 holder
COOKE & BIELER LP
13D/G
13F
- Ownership
- 9.7%
- Position
- $12.96M
Rank 2 holder
BlackRock, Inc.
13D/G
13F
- Ownership
- 6.7%
- Position
- $11.7M
Rank 3 holder
Steel Connect LLC
13D/G
- Ownership
- 5.8%
- Position
- $10.08M
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| COOKE & BIELER LP |
13D/G
13F
Cooke & Bieler L.P. · Company
|
9.7%
|
$12,960,110
1,963,653 shares
|
$0 | 31 Mar 2025 |
| BlackRock, Inc. |
13D/G
13F
Company
|
6.7%
|
$11,697,053
1,384,283 shares
|
$0 | 30 Sep 2025 |
| Steel Connect LLC |
13D/G
STEEL PARTNERS HOLDINGS L.P.
|
5.8%
|
$10,081,082
1,194,441 shares
|
-$2,585,746 | 20 Feb 2026 |
| DIMENSIONAL FUND ADVISORS LP |
13D/G
13F
Company
|
4.3%
|
$5,755,570
872,056 shares
|
$0 | 31 Mar 2025 |
| James Schladen |
3/4/5
President of Arcadia
|
2.8%
|
$3,879,441
569,702 shares
|
-$111,000 | 03 Feb 2026 |
| Ian Grieves |
3/4/5
Pres & Mng Dir, DynaEnergetics
|
0.4%
|
$726,114
81,708 shares
mixed-class rows
|
— | 14 Mar 2026 |
| Michael Aaron Kelly |
3/4/5
Director
|
0.32%
|
$341,723
65,590 shares
|
— | 13 May 2026 |
| Ruth Dreessen |
3/4/5
Director
|
0.32%
|
$340,124
65,283 shares
|
— | 13 May 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: +$125,798.
Buys
$236,798
Insiders: 1
Sells
$111,000
Insiders: 1
Net
+$125,798
Shares: +21,298
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 39,798
Shares: 18,500
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 18,500 | $0 | $111,000 | -$111,000 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 39,798 | 0 | $236,798 | $0 | +$236,798 |
Reporting owners
Insider holders from Forms 3/4/5
Current reporting-owner rows connected to DMC Global Inc.. Open the relationship link for the CIK-to-CIK filing trail.
Rows
22
Lead holder
James Schladen
Net 12M change
+$125,798
Latest report
28 May 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| James Schladen | President of Arcadia | $3,879,441 | -$111,000 | -2.8% | Mixed | 03 Feb 2026 |
| Michael Kuta | President and CEO | $2,449,328 | Mixed | 06 Mar 2024 | ||
| James Oleary | Exec. Chair, President & CEO, Director | $1,542,619 | +$236,798 | +18% | Mixed | 03 Mar 2026 |
| David C. Aldous | Director | $1,232,374 | Mixed | 15 May 2024 | ||
| Longe Kevin T. | President and CEO, Director | $1,179,464 | Mixed | 03 Jun 2022 | ||
| James W. Chilcoff Jr. | President of Arcadia | $1,008,851 | Mixed | 14 Mar 2024 | ||
| Ian Grieves | Pres & Mng Dir, DynaEnergetics | $726,114 | Mixed | 14 Mar 2026 | ||
| Michelle H. Shepston | Chief Legal Officer | $716,488 | Mixed | 14 Mar 2025 | ||
| Robert A. Cohen | Director | $650,559 | Mixed | 10 May 2023 | ||
| Clifton Peter Rose | Director | $521,938 | Mixed | 14 May 2025 | ||
| Eric Walter V | Chief Financial Officer | $461,621 | Median | 13 May 2026 | ||
| Michael Aaron Kelly | Director | $341,723 | Median | 13 May 2026 | ||
| Ruth Dreessen | Director | $340,124 | Median | 13 May 2026 | ||
| Ouma Sananikone | Director | $274,947 | Median | 13 May 2026 | ||
| Richard P. Graff | Director | $259,673 | Mixed | 14 Aug 2023 | ||
| Antoine Nobili | President of NobelClad | $188,083 | Mixed | 14 Mar 2026 | ||
| John R. Doubman | Director | $163,573 | Median | 13 May 2026 | ||
| Sharon Spurlin | Director | $138,565 | Median | 13 May 2026 | ||
| Brett A. Seger | Chief Accounting Officer | $111,535 | Median | 28 May 2026 | ||
| Simon Bates | Director | $110,314 | Mixed | 26 Feb 2025 | ||
| Andrea E. Bertone | Director | Mixed | 11 May 2022 | |||
| Christopher John Scocos | President of Arcadia | Mixed | 04 Nov 2024 |
Recent insider transactions for DMC Global Inc.
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Reported value | Reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Brett A. Seger | BOOM | Common Stock | Tax liability | -1.06% | -230 | 21,408 | 28 May 2026 | Direct | ||
| Michael Aaron Kelly | BOOM | Common Stock | Award | 34.8% | 16,937 | 65,590 | 13 May 2026 | Direct | ||
| Ruth Dreessen | BOOM | Common Stock | Award | 35% | 16,937 | 65,283 | 13 May 2026 | Direct | ||
| John R. Doubman | BOOM | Common Stock | Award | 117.1% | 16,937 | 31,396 | 13 May 2026 | Direct | ||
| Ouma Sananikone | BOOM | Common Stock | Award | 47.3% | 16,937 | 52,773 | 13 May 2026 | Direct | ||
| Sharon Spurlin | BOOM | Common Stock | Award | 175.4% | 16,937 | 26,596 | 13 May 2026 | Direct | ||
| Eric Walter V | BOOM | Common Stock | Tax liability | -11.4% | -11,427 | 88,603 | 13 May 2026 | Direct | ||
| Brett A. Seger | BOOM | Common Stock | Tax liability | -6.87% | -1,595 | 21,638 | 14 Mar 2026 | Direct | ||
| Eric Walter V | BOOM | Common Stock | Tax liability | -2.22% | -2,272 | 100,030 | 14 Mar 2026 | Direct | ||
| Ian Grieves | BOOM | Common Stock | Tax liability | -1.88% | -1,569 | 81,708 | 14 Mar 2026 | Direct | ||
| Ian Grieves | BOOM | Common Stock | Options Exercise | 4.44% | 3,541 | 83,277 | 14 Mar 2026 | Direct | ||
| Ian Grieves | BOOM | Restricted Stock Units | Options Exercise | -100% | -3,541 | 0 | 14 Mar 2026 | Direct | ||
| Antoine Nobili | BOOM | Common Stock | Options Exercise | 4.46% | 904 | 21,177 | 14 Mar 2026 | Direct | ||
| Antoine Nobili | BOOM | Restricted Stock Units | Options Exercise | -100% | -904 | 0 | 14 Mar 2026 | Direct | ||
| Eric Walter V | BOOM | Performance Share Units | Award | 54,274 | 54,274 | 03 Mar 2026 | Direct | |||
| James Oleary | BOOM | Performance Share Units | Award | 237,449 | 237,449 | 03 Mar 2026 | Direct | |||
| Eric Walter V | BOOM | Common Stock | Tax liability | -2.78% | -2,921 | 102,302 | 28 Feb 2026 | Direct | ||
| Ian Grieves | BOOM | Common Stock | Tax liability | -2.42% | -1,978 | 79,736 | 28 Feb 2026 | Direct | ||
| Ian Grieves | BOOM | Common Stock | Options Exercise | 5.78% | 4,464 | 81,714 | 28 Feb 2026 | Direct | ||
| Ian Grieves | BOOM | Restricted Stock Units | Options Exercise | -50% | -4,464 | 4,464 | 28 Feb 2026 | Direct | ||
| Antoine Nobili | BOOM | Common Stock | Options Exercise | 12.8% | 2,304 | 20,273 | 28 Feb 2026 | Direct | ||
| Antoine Nobili | BOOM | Restricted Stock Units | Options Exercise | -66.7% | -2,304 | 1,151 | 28 Feb 2026 | Direct | ||
| Brett A. Seger | BOOM | Common Stock | Tax liability | -4.96% | -1,212 | 23,233 | 26 Feb 2026 | Direct | ||
| Eric Walter V | BOOM | Common Stock | Tax liability | -5.74% | -6,407 | 105,223 | 26 Feb 2026 | Direct | ||
| Ian Grieves | BOOM | Common Stock | Tax liability | -4.64% | -3,761 | 77,250 | 26 Feb 2026 | Direct | ||
| Ian Grieves | BOOM | Common Stock | Options Exercise | 11.7% | 8,486 | 81,011 | 26 Feb 2026 | Direct | ||
| Ian Grieves | BOOM | Restricted Stock Units | Options Exercise | -33.3% | -8,486 | 16,971 | 26 Feb 2026 | Direct | ||
| James Schladen | BOOM | Common Stock | Tax liability | -18% | -8,053 | 36,744 | 03 Feb 2026 | Direct | ||
| James Schladen | BOOM | Common Stock | Sale | -3.22% | $106,308 | $6.00 | -17,718 | 532,958 | 03 Dec 2025 | BY SCHLADEN FAMILY TRUST |
| James Schladen | BOOM | Common Stock | Sale | -0.14% | $4,692 | $6.00 | -782 | 550,676 | 02 Dec 2025 | BY SCHLADEN FAMILY TRUST |
| James Oleary | BOOM | Common Stock | Tax liability | -25.3% | -64,818 | 191,392 | 01 Nov 2025 | Direct | ||
| Sharon Spurlin | BOOM | Common Stock | Award | 9,659 | 9,659 | 25 Sep 2025 | Direct | |||
| James Oleary | BOOM | Common Stock | Purchase | 18.4% | $236,798 | $5.95 | 39,798 | 256,210 | 08 Aug 2025 | Direct |
| James Oleary | BOOM | Performance Share Units | Award | 216,121 | 216,121 | 01 Jul 2025 | Direct | |||
| James Oleary | BOOM | Restricted Stock Units | Award | 216,121 | 216,121 | 01 Jul 2025 | Direct | |||
| John R. Doubman | BOOM | Common Stock | Award | 14,459 | 14,459 | 25 Jun 2025 | Direct |
* indicates a reported price that failed the local validity check.