DMC Global (BOOM) CAO uses 1,212 shares to cover tax obligations

Rhea-AI Filing Summary

DMC Global Inc. reported an insider tax-related share disposition by its Chief Accounting Officer, Brett A. Seger. On February 26, 2026, Seger had 1,212 shares of common stock withheld at $6.39 per share to satisfy tax obligations upon vesting of an underlying equity award.

After this tax-withholding disposition, Seger directly owned 23,233 shares of DMC Global common stock. The transaction was coded as a tax-liability payment rather than an open-market purchase or sale.

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
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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^*

Seger Brett A.

(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)
	Chief Accounting Officer

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		F		1,212(1)	D	$6.39	23,233	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

Explanation of Responses:

1. Represents withholding of shares to satisfy tax obligations upon the vesting of the underlying award.

Remarks:

	/s/ Lindsey Rhodes, 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.
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FAQ

What insider transaction did DMC Global (BOOM) report for Brett A. Seger?

DMC Global reported that Chief Accounting Officer Brett A. Seger had 1,212 common shares withheld to cover tax obligations. The shares were tied to a vesting equity award and were not an open-market trade.

Was the DMC Global (BOOM) insider transaction a stock sale by Brett A. Seger?

No, the transaction was a tax-withholding disposition, not an open-market sale. 1,212 shares were withheld at $6.39 per share to satisfy taxes when an equity award vested.

How many DMC Global (BOOM) shares does Brett A. Seger hold after the transaction?

After the tax-withholding transaction, Brett A. Seger directly holds 23,233 shares of DMC Global common stock. This figure reflects his updated ownership following the 1,212-share withholding for taxes.

What does transaction code F mean in the DMC Global (BOOM) Form 4 filing?

Transaction code F indicates shares used to pay an exercise price or tax liability. In this case, 1,212 DMC Global shares were withheld to satisfy Seger’s tax obligations upon vesting of an underlying award.

What price was used for the DMC Global (BOOM) tax-withholding shares?

The 1,212 DMC Global common shares withheld for taxes were valued at $6.39 per share. This price was used in the tax-withholding disposition related to Brett A. Seger’s vesting equity award.