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DMC Global (BOOM) executive reports RSU vesting, share withholding for taxes

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(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

DMC Global Inc. executive Ian Grieves reported multiple equity award transactions involving Restricted Stock Units (RSUs) and common stock. On February 26, 2026, 8,486 RSUs vested and were converted into 8,486 shares of common stock, with 3,761 shares withheld at $6.39 per share to cover tax obligations. On February 28, 2026, 4,464 RSUs vested and were converted into 4,464 shares, with 1,978 shares withheld at $5.89 per share for taxes.

After these transactions, Grieves directly owned 79,736 shares of DMC Global common stock. Footnotes indicate the RSUs were part of multi-year grants made in February 2024 and February 2025, with additional tranches scheduled to vest in 2027 and 2028.

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Insider Grieves Ian
Role Pres & Mng Dir, DynaEnergetics
Type Security Shares Price Value
Exercise Restricted Stock Units 4,464 $0.00 $0.00
Exercise Common Stock 4,464 $0.00 $0.00
Exercise Price or Tax Liability Common Stock 1,978 $5.89 $12K
Exercise Restricted Stock Units 8,486 $0.00 $0.00
Exercise Common Stock 8,486 $0.00 $0.00
Exercise Price or Tax Liability Common Stock 3,761 $6.39 $24K
Holdings After Transaction: Restricted Stock Units — 21,435 shares (Direct); Common Stock — 79,736 shares (Direct)
Footnotes (4)
  1. F1. Represents withholding of shares to satisfy tax obligations upon the vesting of the underlying award.
  2. F2. Each Restricted Stock Unit ("RSU") represents the right to receive one share of the common stock of the Issuer.
  3. F3. On February 26, 2025, 25,457 RSUs were granted to the reporting person and 8,486 RSUs vested on February 26, 2026. Of the remaining RSUs, 8,486 will vest on February 26, 2027, and 8,485 will vest on February 26, 2028.
  4. F4. On February 28, 2024, 13,392 RSUs were granted to the reporting person and 4,464 RSUs vested on February 28, 2025 and 4,464 RSUs vested on February 28, 2026. The remaining 4,464 RSUs will vest on February 28, 2027.

FAQ

What insider transactions did DMC Global (BOOM) executive Ian Grieves report?
Ian Grieves reported RSU vesting, share conversions, and tax-related share withholding. RSUs granted in 2024 and 2025 vested in February 2026, converting into common stock, with portions of the resulting shares automatically withheld to satisfy tax obligations tied to those equity awards.

How many DMC Global (BOOM) RSUs vested for Ian Grieves in February 2026?
A total of 12,950 RSUs vested for Ian Grieves in February 2026. This includes 8,486 RSUs that vested on February 26, 2026, and 4,464 RSUs that vested on February 28, 2026, each RSU delivering one share of DMC Global common stock upon vesting.

How many DMC Global (BOOM) shares were withheld for Ian Grieves’ taxes?
DMC Global withheld 5,739 shares from Ian Grieves to cover tax obligations. The withholding comprised 3,761 shares at $6.39 per share on February 26, 2026, and 1,978 shares at $5.89 per share on February 28, 2026, per the Form 4 footnotes.

What is Ian Grieves’ DMC Global (BOOM) share ownership after these transactions?
After the reported February 2026 transactions, Ian Grieves directly owned 79,736 shares of DMC Global common stock. This figure reflects RSU conversions into common stock and the associated tax-withholding dispositions recorded in the Form 4 insider trading report.

What future RSU vesting does DMC Global (BOOM) disclose for Ian Grieves?
DMC Global footnotes show remaining RSUs vesting over two years. From the 2025 grant, 8,486 RSUs vest on February 26, 2027, and 8,485 on February 26, 2028. From the 2024 grant, 4,464 RSUs will vest on February 28, 2027, subject to continued service terms.

Are Ian Grieves’ DMC Global (BOOM) Form 4 transactions open-market buys or sells?
The transactions are RSU conversions and tax-withholding dispositions, not open-market trades. Code M entries reflect exercises or conversions of RSUs into common stock, while code F entries represent shares withheld by the company solely to satisfy related tax liabilities.

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Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Grieves Ian
(Last) (First) (Middle)
C/O DMC GLOBAL INC.
11800 RIDGE PARKWAY, SUITE 300
(Street)
BROOMFIELD CO 80021
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
DMC Global Inc. [ BOOM ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
Pres & Mng Dir, DynaEnergetics
3. Date of Earliest Transaction (Month/Day/Year)
02/26/2026
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 02/26/2026 M 8,486 A $0 81,011 D
Common Stock 02/26/2026 F 3,761(1) D $6.39 77,250 D
Common Stock 02/28/2026 M 4,464 A $0 81,714 D
Common Stock 02/28/2026 F 1,978(1) D $5.89 79,736 D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Units (2) 02/26/2026 M 8,486 (3) (3) Common Stock 8,486 $0 16,971 D
Restricted Stock Units (2) 02/28/2026 M 4,464 (4) (4) Common Stock 4,464 $0 4,464 D
Explanation of Responses:
1. Represents withholding of shares to satisfy tax obligations upon the vesting of the underlying award.
2. Each Restricted Stock Unit ("RSU") represents the right to receive one share of the common stock of the Issuer.
3. On February 26, 2025, 25,457 RSUs were granted to the reporting person and 8,486 RSUs vested on February 26, 2026. Of the remaining RSUs, 8,486 will vest on February 26, 2027, and 8,485 will vest on February 26, 2028.
4. On February 28, 2024, 13,392 RSUs were granted to the reporting person and 4,464 RSUs vested on February 28, 2025 and 4,464 RSUs vested on February 28, 2026. The remaining 4,464 RSUs will vest on February 28, 2027.
Remarks:
/s/ Kristin Mauer, by Power of Attorney 03/02/2026
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Source: View Original Filing on SEC EDGAR