DMC Global (BOOM) officer nets shares after 3,541 RSUs vest and tax withholding

Rhea-AI Filing Summary

DMC Global Inc. executive Ian Grieves reported routine equity compensation activity. On March 14, 2026, he exercised 3,541 Restricted Stock Units, receiving the same number of common shares. Each RSU converts into one share of DMC Global common stock.

To cover tax obligations at vesting, 1,569 common shares were withheld at a price of $4.73 per share, leaving a net 1,972 shares added to his direct holdings. Following these transactions, Grieves directly owns 81,708 shares of DMC Global common stock. All RSUs from the referenced 2023 grant have now vested.

Insights

Equity compensation analyst

Routine RSU vesting with tax withholding; minimal valuation signal.

Officer Ian Grieves converted 3,541 Restricted Stock Units into common stock as part of a pre-existing 2023 equity grant. This is standard compensation rather than an open-market trade, so it mainly reflects how his pay is structured.

Of the vested shares, 1,569 were withheld at $4.73 per share to satisfy tax obligations, leaving 1,972 shares added to his direct position for a post-transaction total of 81,708 shares. The absence of remaining derivative positions from this grant and the modest scale versus his holdings suggest a routine event.

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)
03/14/2026

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	03/14/2026		M		3,541	A	$0	83,277	D
Common Stock	03/14/2026		F		1,569(1)	D	$4.73	81,708	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)	03/14/2026		M			3,541	(3)	(3)	Common Stock	3,541	$0	0	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 March 14, 2023, 10,623 Restricted Stock Units ("RSUs") were granted to the reporting person and 3,541 RSUs vested on March 14, 2024, 3,541, RSUs vested on March 14, 2025, and the remaining 3,541 RSUs vested on March 14, 2026.

Remarks:

	/s/ Kristin Mauer, by Power of Attorney	03/16/2026
	** 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.

FAQ

What did DMC Global (BOOM) executive Ian Grieves report on this Form 4?

He reported a routine equity compensation event where 3,541 Restricted Stock Units vested and converted into common stock. This increased his direct shareholdings, with part of the shares withheld to cover associated tax obligations at vesting.

How many DMC Global (BOOM) shares did Ian Grieves receive from RSU vesting?

He received 3,541 DMC Global common shares upon the vesting of 3,541 Restricted Stock Units. Each RSU represents one share of common stock, so the full vested amount converted directly into an equal number of shares in his name.

Why were some DMC Global (BOOM) shares withheld in Ian Grieves’ Form 4?

The Form 4 states that 1,569 common shares were withheld to satisfy tax obligations tied to the RSU vesting. This is a common mechanism where the company retains shares at a stated value, here $4.73 per share, instead of the executive paying cash taxes.

How did this Form 4 transaction change Ian Grieves’ DMC Global (BOOM) holdings?

After exercising RSUs and related tax withholding, his direct ownership increased by 1,972 shares, from 79,736 to 81,708 common shares. The filing shows this updated total, reflecting his net position following the compensation-related transactions on March 14, 2026.

Are the DMC Global (BOOM) Form 4 transactions open-market buys or sells?

No, they are not open-market trades. The filing describes an RSU conversion and a share withholding for taxes. Both are compensation-related bookkeeping events rather than discretionary purchases or sales on the open market by the executive.

What does the footnote reveal about the DMC Global (BOOM) RSU grant to Ian Grieves?

The footnote explains that 10,623 RSUs were granted on March 14, 2023, vesting in three equal installments of 3,541 units in 2024, 2025, and 2026. The current filing reflects the final vesting and conversion of that original RSU grant.