Thomas Monroe Patterson - 14 May 2024 Form 4 Insider Report for Drilling Tools International Corp (DTI)

Reporting relationship: Director
Issuer ticker: DTI
Reported as of: 14 May 2024
Net transaction value: $0
SEC form: 4
Accepted by SEC: 16 Sep 2025, 16:05:26 UTC
Prior SEC filing: 12 Sep 2023
Source filing: View source filing
Reporting owner signature: /s/ Thomas Monroe Patterson

Key filing fact

Thomas Monroe Patterson filed Form 4 for Drilling Tools International Corp (DTI) on 16 Sep 2025.

Key facts

This page summarizes Thomas Monroe Patterson's Form 4 filing for Drilling Tools International Corp (DTI).
5 reported transactions and 3 derivative rows are listed below.
Accepted by SEC: 16 Sep 2025, 16:05.

Change

Previous filing in this sequence was filed on 12 Sep 2023.
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 0001355893 Primary reporting owner

Patterson Thomas Monroe

Relationship: Director
Address: 10370 RICHMOND AVENUE, SUITE 1000, HOUSTON
Signature: /s/ Thomas Monroe Patterson
Signature date: 15 Sep 2025

Reported non-derivative transactions

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

DTI transaction

Common Stock

Options Exercise

Transaction value: $0
Shares: +18,610
Change %: +31%
Price: $0.000000
Shares after: 78,745
Date: 14 May 2024
Ownership: Direct

DTI transaction

Common Stock

Options Exercise

Transaction value: $0
Shares: +13,712
Change %: +17%
Price: $0.000000
Shares after: 92,457
Date: 14 May 2025
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

DTI transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -18,610
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 14 May 2024
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 18,610
Exercise price
Footnotes: F1, F2

DTI transaction Derivative

Restricted Stock Units

Award

Transaction value: $0
Shares: +28,626
Change %
Price: $0.000000
Shares after: 28,626
Date: 13 May 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 28,626
Exercise price
Footnotes: F1, F3

DTI transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -13,712
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 14 May 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 13,712
Exercise price
Footnotes: F1, F4

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

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

Footnote F2

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

Footnote F3

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

Footnote F4

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