Drilling Tools International (DTI) exec sells shares under 10b5-1 plan

Rhea-AI Filing Summary

Drilling Tools International Corp. executive Michael Wayne Domino Jr., President of the DTR Division, reported selling 24,996 shares of common stock on January 21, 2026 at $4.00 per share. After this sale, he beneficially owns 1,433,054 shares of the company’s common stock directly.

The filing notes that this transaction was completed under a pre-arranged Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2025, which is designed to allow insiders to sell shares according to a set schedule or conditions.

Insider Trade Summary

Net Seller: 24,996 shares

Net Sell 1 txn

Insider Domino Michael Wayne Jr.

Role President, DTR Division

Sold 24,996 shs ($100K)

Type	Security	Shares	Price	Value
Sale	Common Stock	24,996	$4.00	$100K

Holdings After Transaction: Common Stock — 1,433,054 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

Who is the insider in Drilling Tools International Corp (DTI)'s latest Form 4?

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

How many Drilling Tools International Corp (DTI) shares were sold in this Form 4?

The reporting person sold 24,996 shares of common stock on January 21, 2026 at a price of $4.00 per share.

How many Drilling Tools International Corp (DTI) shares does the insider hold after the transaction?

Following the reported sale, the insider beneficially owns 1,433,054 shares of Drilling Tools International Corp common stock in direct ownership.

Was the Drilling Tools International Corp (DTI) insider sale made under a Rule 10b5-1 plan?

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

What type of security was involved in this Drilling Tools International Corp (DTI) insider transaction?

The transaction involved common stock of Drilling Tools International Corp, reported as a non-derivative security in Table I of the Form 4.

Is the Drilling Tools International Corp (DTI) insider transaction reported as direct or indirect ownership?

The Form 4 indicates the ownership form as Direct (D), with no nature of indirect beneficial ownership listed.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 01/21/2026 - 04:01 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)
01/21/2026

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	01/21/2026		S(1)		24,996	D	$4	1,433,054	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.	01/21/2026
	** 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.