DTI director exercises 28,626 RSUs into shares

Drilling Tools International Corp director Curt L. Crofford exercised restricted stock units into common shares.

Rhea-AI Filing Summary

Drilling Tools International Corp director Curt L. Crofford exercised restricted stock units into common shares. On May 13, 2026, he acquired 28,626 shares of common stock through the exercise of restricted stock units, each unit representing one share. Following this transaction, he directly holds 145,395 shares of common stock. The related restricted stock units vested 100% on May 13, 2026, one year after the grant date, while a separate grant of restricted stock units is scheduled to vest 100% on April 28, 2027.

Insider Trade Summary

28,626 shares exercised/converted

Exercise 3 txns

Insider Crofford Curt L.

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	28,626	$0.00	$0.00
Exercise	Common Stock	28,626	$0.00	$0.00
holding	Restricted Stock Units	--	--	--

Holdings After Transaction: Restricted Stock Units — 0 contracts (Direct); Common Stock — 145,395 shares (Direct)

Footnotes (3)

1. F1. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.
2. F2. The restricted stock units vested 100% on May 13, 2026, the one-year anniversary of the grant date.
3. F3. The restricted stock units vest 100% on April 28, 2027, the one-year anniversary of the grant date.

Key Figures

RSUs exercised: 28,626 units Common shares after transaction: 145,395 shares Exercise price of RSUs: $0.0000 per unit +4 more

7 metrics

RSUs exercised 28,626 units Restricted stock units converted into common stock on May 13, 2026

Common shares after transaction 145,395 shares Direct common stock holdings following the exercise

Exercise price of RSUs $0.0000 per unit Exercise or conversion price shown for restricted stock units

Exercise transactions count 1 exercise Form 4 transaction summary exerciseCount

Unknown transaction entries 1 entry Form 4 transactionSummary unknownCount

RSU vesting date May 13, 2026 Footnote states units vested 100% on May 13, 2026

Future RSU vesting date April 28, 2027 Separate RSU grant vests 100% on April 28, 2027

Key Terms

Restricted Stock Units, derivative exercise/conversion, exercise or conversion of derivative security, holding, +1 more

5 terms

Restricted Stock Units financial

"Each restricted stock unit represents a contingent right to receive one share"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

derivative exercise/conversion financial

"transaction_action is listed as derivative exercise/conversion for the RSUs"

exercise or conversion of derivative security financial

"transaction_code_description states Exercise or conversion of derivative security"

holding financial

"One transaction is classified with transaction_type as holding"

total_shares_following_transaction financial

"total_shares_following_transaction for common stock is 145395.0000"

FAQ

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

What insider transaction did Drilling Tools International (DTI) report for Curt L. Crofford?

Drilling Tools International reported that director Curt L. Crofford exercised restricted stock units to acquire 28,626 shares of common stock. This was a derivative exercise, not an open-market purchase or sale, and reflects equity compensation vesting into actual shares.

How many Drilling Tools International (DTI) shares does Curt L. Crofford hold after this Form 4?

After the reported transaction, Curt L. Crofford directly holds 145,395 shares of Drilling Tools International common stock. This figure comes from the Form 4’s post-transaction ownership line and represents his updated direct equity position in the company.

What was the size of the restricted stock unit exercise reported by DTI?

The transaction involved the exercise of 28,626 restricted stock units, each convertible into one share of Drilling Tools International common stock. The Form 4 shows this as a derivative exercise, moving value from RSUs into an equivalent number of common shares.

When did Curt L. Crofford’s Drilling Tools International restricted stock units vest?

Footnotes state the restricted stock units related to this transaction vested 100% on May 13, 2026, the one-year anniversary of the grant date. Vesting triggered the ability to convert the units into common shares for the reporting director.

Are there additional Drilling Tools International RSUs scheduled to vest for Curt L. Crofford?

Yes. A separate grant of restricted stock units is scheduled to vest 100% on April 28, 2027, one year after that grant date. These future RSUs are distinct from the units that vested and were exercised into shares on May 13, 2026.

Did Curt L. Crofford sell any Drilling Tools International (DTI) shares in this Form 4?

The Form 4 does not report any open-market sales. It shows an exercise of 28,626 restricted stock units into common stock, increasing his direct holdings to 145,395 shares, with no separate sale transaction listed in the summary data.

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

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Accepted by SEC EDGAR 05/13/2026 - 04:05 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).

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^*

Crofford Curt L.

(Last) (First) (Middle)

10370 RICHMOND AVENUE, SUITE 1000

(Street)

HOUSTON TEXAS 77042

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/13/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	05/13/2026		M		28,626	A	$0	145,395	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	(1)	05/13/2026		M			28,626	(2)	(2)	Common Stock	(2)	$0	0	D
Restricted Stock Units	(1)							(3)	(3)	Common Stock	(3)		23,438	D

Explanation of Responses:

1. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

2. The restricted stock units vested 100% on May 13, 2026, the one-year anniversary of the grant date.

3. The restricted stock units vest 100% on April 28, 2027, the one-year anniversary of the grant date.

	/s/ John Niedzwiecki, as Attorney-in-fact	05/13/2026
	** 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.
* Form 4: SEC 1474 (03-26)