FURST JACK D 4

4 · Drilling Tools International Corp · Filed Sep 16, 2025

Form 4

Period: 2024-05-14

Director

Transactions

Other
Common Stock
2025-09-12+36,227→ 144,466 total(indirect: By Trust)
Other
Common Stock
2025-06-06+63,939→ 108,239 total(indirect: By Trust)
Exercise/Conversion
Restricted Stock Units
2024-05-14−18,610→ 0 total
→ Common Stock (18,610 underlying)
Exercise/Conversion
Restricted Stock Units
2025-05-14−13,712→ 0 total
→ Common Stock (13,712 underlying)
Other
Common Stock
2024-09-13+44,300→ 44,300 total(indirect: By Trust)
Exercise/Conversion
Common Stock
2024-05-14+18,610→ 18,610 total
Award
Restricted Stock Units
2025-05-13+28,626→ 28,626 total
→ Common Stock (28,626 underlying)
Exercise/Conversion
Common Stock
2025-05-14+13,712→ 32,322 total

Holdings

Footnotes (9)

[F1]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.
[F2]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.
[F3]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.
[F4]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.
[F5]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.
[F6]Each restricted stock unit represents a contingent right to receive one share of Drilling Tools International Corporation's common stock.
[F7]The restricted stock units vested 100% on the grant date.
[F8]The restricted stock units vest 100% upon the one-year anniversary of the grant date.
[F9]The restricted stock units vested 100% upon the one-year anniversary of the grant date.

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