[Form 4] Drilling Tools International Corp Insider Trading Activity

Rhea-AI Filing Summary

Insider transactions for Drilling Tools International Corp (DTI): John D. Furst, a director and trustee, reported multiple acquisitions of common stock and restricted stock units received primarily for no cash consideration. On 05/14/2024 he received 18,610 shares and 18,610 RSUs that vested immediately. Pro rata distributions from HHEP Directional, L.P. added 44,300 shares (09/13/2024), 63,939 shares (06/06/2025) and 36,227 shares (09/12/2025). Post-transactions his direct beneficial ownership totals 32,322 shares and indirect holdings via JDF Long Term Trust total at least 144,466 shares; 118,252 shares are noted as held by Oak Stream Investors II, Ltd., of which he disclaims beneficial ownership except pecuniary interest.

Positive

• Material increase in holdings: Multiple non-cash distributions and vested RSUs raised total reported holdings substantially.
• RSU vesting occurred: 18,610 RSUs vested 100% on grant date, with additional RSUs set to vest, aligning insider interests with shareholders.
• Clear disclosure of indirect holdings: Reporting person disclosed trustee role and indirect ownership through JDF Long Term Trust.

Negative

• None.

Insights

Financial Analyst

TL;DR Insider increased stake via distributions and vested RSUs, modestly raising his direct and indirect ownership in DTI.

The reported transactions are mainly non-cash pro rata distributions and RSU vesting. The immediate vesting of 18,610 RSUs on 05/14/2024 and subsequent receipt of distributed shares materially increase the reporting person's stake without purchase price, which can signal internal alignment with equity value but does not reflect open-market buying pressure. Ownership is held both directly and indirectly through a trust, affecting voting and dispositive power.

Corporate Governance Expert

TL;DR Director/trustee disclosures clarify voting and dispositive power; a disclaimer limits claimed beneficial ownership in an institutional holder.

Furst identifies himself as trustee of the JDF Long Term Trust and may have voting/dispositive power over those trust-held shares. The Form appropriately discloses an explicit disclaimer regarding shares held by Oak Stream Investors II, Ltd., reducing ambiguity about control claims. Such distinctions are important for governance assessments and for understanding which shares could influence corporate votes.

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

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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).

1. Name and Address of Reporting Person^*

FURST JACK D

(Last) (First) (Middle)

10370 RICHMOND AVENUE, SUITE 1000

(Street)

HOUSTON TX 75042

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
05/14/2024

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	05/14/2024		M		18,610	A	$0	18,610	D
Common Stock	09/13/2024		J(1)		44,300	A	$0	44,300	I	by JDF Long Term Trust(4)
Common Stock	05/14/2025		M		13,712	A	$0	32,322	D
Common Stock	06/06/2025		J(2)		63,939	A	$0	108,239	I	by JDF Long Term Trust(4)
Common Stock	09/12/2025		J(3)		36,227	A	$0	144,466	I	by JDF Long Term Trust(4)
Common Stock								118,252(5)	I	by Oak Stream Investors II, Ltd.

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	(6)	05/14/2024		M			18,610	(7)	(7)	Common Stock	18,610	$0	0	D
Restricted Stock Units	(6)	05/13/2025		A		28,626		(8)	(8)	Common Stock	28,626	$0	28,626	D
Restricted Stock Units	(6)	05/14/2025		M			13,712	(9)	(9)	Common Stock	13,712	$0	0	D

Explanation of Responses:

1. 44,300 shares of Drilling Tools International Corporation's ("DTI") common stock received as a result of HHEP Directional, L.P.'s pro rata distribution of shares to its limited partners for no consideration.

2. 63,939 shares of DTI's common stock received as a result of HHEP Directional, L.P.'s pro rata distribution of shares to its limited partners for no consideration.

3. 36,227 shares of DTI's common stock received as a result of HHEP Directional, L.P.'s pro rata distribution of shares to its limited partners for no consideration.

4. The Reporting Person is the trustee of JDF Long Term Trust ("JDF"). The Reporting Person may be deemed to have voting power and dispositive power over the shares held by JDF.

5. The Reporting Person disclaims any beneficial ownership of any shares of common stock held by Oak Stream Investors II, Ltd., other than his pecuniary interest therein.

6. Each restricted stock unit represents a contingent right to receive one share of Drilling Tools International Corporation's common stock.

7. The restricted stock units vested 100% on the grant date.

8. The restricted stock units vest 100% upon the one-year anniversary of the grant date.

9. The restricted stock units vested 100% upon the one-year anniversary of the grant date.

	/s/ John D. Furst	09/15/2025
	** 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.

FAQ

What transactions did John D. Furst report for DTI?

He reported receipts of 18,610 shares plus 18,610 vested RSUs on 05/14/2024 and additional pro rata distributed shares of 44,300 (09/13/2024), 63,939 (06/06/2025) and 36,227 (09/12/2025).

How many DTI shares does Furst beneficially own after these transactions?

Directly reported: 32,322 shares; Indirectly reported via trust: at least 144,466 shares (inclusive of trust holdings).

Were any shares received for cash consideration?

No. The Form states the shares were received as pro rata distributions for no consideration and RSUs had a $0 price.

Does Furst claim ownership of shares held by Oak Stream Investors II, Ltd.?

No. He explicitly disclaims beneficial ownership of Oak Stream Investors II, Ltd. shares except for any pecuniary interest.

What form of filing is this and who is the reporting person?

Form 4 filed under Section 16; the reporting person is John D. Furst, identified as a director and trustee.