Drilling Tools International officer sells 2,083 shares at $2.65

Drilling Tools International Corp officer reports stock sale.

Rhea-AI Filing Summary

Drilling Tools International Corp officer reports stock sale. On 12/15/2025, the President of the DTR Division, Michael Wayne Domino Jr., sold 2,083 shares of Drilling Tools International common stock at $2.65 per share in a planned transaction under a Rule 10b5-1 trading plan adopted on November 17, 2025. After this sale, he directly owned 1,460,133 shares of the company’s common stock.

Insider Trade Summary

Net Seller: 2,083 shares

Net Sell 1 txn

Insider Domino Michael Wayne Jr.

Role President, DTR Division

Sold 2,083 shs ($6K)

Type	Security	Shares	Price	Value
Sale	Common Stock	2,083	$2.65	$6K

Holdings After Transaction: Common Stock — 1,460,133 shares (Direct)

Footnotes (1)

1. F1. This transaction was completed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2025.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Drilling Tools International Corp (DTI) report?

An officer of Drilling Tools International Corp reported selling 2,083 shares of common stock at $2.65 per share on 12/15/2025.

Who is the insider involved in the latest DTI stock transaction?

The insider is Michael Wayne Domino Jr., who serves as President, DTR Division of Drilling Tools International Corp.

How many Drilling Tools International (DTI) shares does the insider own after the sale?

Following the reported transaction, the insider directly owned 1,460,133 shares of Drilling Tools International common stock.

Was the DTI insider trade made under a Rule 10b5-1 trading plan?

Yes. The sale was completed under a Rule 10b5-1 trading plan that the reporting person adopted on November 17, 2025.

Is this Drilling Tools International (DTI) insider report for one person or multiple insiders?

The report indicates that the form was filed by one reporting person, not by a group.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 12/15/2025 - 05:19 PM Learn about SEC filing dates

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).

X

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^*

Domino Michael Wayne Jr.

(Last) (First) (Middle)

C/O DRILLING TOOLS INTERNATIONAL CORP.

10370 RICHMOND AVENUE, SUITE 1000

(Street)

HOUSTON TX 77042

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Drilling Tools International Corp [ DTI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President, DTR Division

3. Date of Earliest Transaction (Month/Day/Year)
12/15/2025

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	12/15/2025		S(1)		2,083	D	$2.65	1,460,133	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. This transaction was completed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2025.

	/s/ Michael Wayne Domino Jr.	12/15/2025
	** 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.