C. Richard Vermillion - 28 Nov 2025 Form 4 Insider Report for Drilling Tools International Corp (DTI)

Reporting relationship: Director
Issuer ticker: DTI
Reported as of: 28 Nov 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 10 Dec 2025, 16:01:03 UTC
Prior SEC filing: 27 Nov 2024
Source filing: View source filing
Reporting owner signature: /s/ C. Richard Vermillion

Key filing fact

C. Richard Vermillion filed Form 4 for Drilling Tools International Corp (DTI) on 10 Dec 2025.

Key facts

This page summarizes C. Richard Vermillion's Form 4 filing for Drilling Tools International Corp (DTI).
5 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 10 Dec 2025, 16:01.

Change

Previous filing in this sequence was filed on 27 Nov 2024.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001981923 Primary reporting owner

Vermillion Charles Richard Jr.

Relationship: Director
Address: C/O DRILLING TOOLS INTERNATIONAL, INC., 10370 RICHMOND AVENUE, SUITE 1000, HOUSTON
Signature: /s/ C. Richard Vermillion
Signature date: 10 Dec 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

DTI transaction

Common Stock

Other

Transaction value: $0
Shares: -36,000
Change %: -9.9%
Price: $0.000000
Shares after: 327,944
Date: 28 Nov 2025
Ownership: By MV Partners I, LP
Footnotes: F1, F2

DTI transaction

Common Stock

Other

Transaction value: $0
Shares: -144,000
Change %: -44%
Price: $0.000000
Shares after: 183,944
Date: 28 Nov 2025
Ownership: By MV Partners I, LP
Footnotes: F2

DTI transaction

Common Stock

Other

Transaction value: $0
Shares: -39,944
Change %: -22%
Price: $0.000000
Shares after: 144,000
Date: 28 Nov 2025
Ownership: By MV Partners I, LP
Footnotes: F2

DTI transaction

Common Stock

Other

Transaction value: $0
Shares: +39,944
Change %
Price: $0.000000
Shares after: 39,944
Date: 28 Nov 2025
Ownership: By MV Partners, Inc.
Footnotes: F2

DTI transaction

Common Stock

Other

Transaction value: $0
Shares: -144,000
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 10 Dec 2025
Ownership: By MV Partners I, LP.
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

A scrivener's error in the reporting person's prior Form 4 filed on September 16, 2025, resulted in a 300-share understatement of the amount of shares beneficially owned by MV Partners I, LP prior to the distributions reported herein. The amounts reported in this Form 4 reflect the corrected holdings.

Footnote F2

On November 28, 2025, MV Partners I, LP ("MV Partners") made a distribution of shares of common stock, par value $0.001 per share (the "Common Stock") of Drilling Tools International Corporation (the "Company") to MV Partners' limited partners and to MV Partners, Inc. The Reporting Person is the sole owner and Chairman of the Board of Directors of MV Partners, Inc., the general partner of MV Partners I. Mr. Vermillion disclaims any beneficial ownership of any shares of Common Stock held by MV Partners, other than his pecuniary interests therein.

Footnote F3

On December 4, 2025, MV Partners made a distribution of shares of Common Stock of the Company to one of MV Partners' limited partners. The Reporting Person is the sole owner and Chairman of the Board of Directors of MV Partners, Inc., the general partner of MV Partners. Mr. Vermillion disclaims any beneficial ownership of any shares of Common Stock held by MV Partners, other than his pecuniary interests therein.