DTI

SEC source: 0001193125-26-354022 · ownership.xml · nonDerivative · entry 1

Domino Michael Wayne Jr. · CIK 0001981953 · President, DTR Division

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,430,006

F1 · kind: This transaction was completed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2025.

SEC source: 0001193125-26-271161 · ownership.xml · nonDerivative · entry 1

Domino Michael Wayne Jr. · CIK 0001981953 · President, DTR Division

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,439,584

F1 · kind: This transaction was completed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2025.

SEC source: 0001193125-26-226621 · ownership.xml · nonDerivative · entry 1

Domino Michael Wayne Jr. · CIK 0001981953 · President, DTR Division

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,441,667

F1 · kind: This transaction was completed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2025.

SEC source: 0001193125-26-221589 · ownership.xml · derivative · entry 4

FURST JACK D · CIK 0001062103 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 28,626 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

F4 · derivative.exercise_date: The restricted stock units vested 100% on May 13, 2026, the one-year anniversary of the grant date.

F4 · derivative.expiration_date: The restricted stock units vested 100% on May 13, 2026, the one-year anniversary of the grant date.

SEC source: 0001193125-26-221589 · ownership.xml · nonDerivative · entry 1

FURST JACK D · CIK 0001062103 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,948

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001193125-26-221586 · ownership.xml · derivative · entry 2

Crofford Curt L. · CIK 0001499152 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · Not disclosed shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

F2 · derivative.exercise_date: The restricted stock units vested 100% on May 13, 2026, the one-year anniversary of the grant date.

F2 · derivative.expiration_date: The restricted stock units vested 100% on May 13, 2026, the one-year anniversary of the grant date.

F2 · derivative.underlying_shares: The restricted stock units vested 100% on May 13, 2026, the one-year anniversary of the grant date.

SEC source: 0001193125-26-221586 · ownership.xml · nonDerivative · entry 1

Crofford Curt L. · CIK 0001499152 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 145,395

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001193125-26-221587 · ownership.xml · derivative · entry 2

Neuman Eric C · CIK 0001413613 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 28,626 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents the contingent right to receive one share of the Issuer's common stock.

F2 · derivative.exercise_date: The restricted stock units vested 100% on May 13, 2026, the one-year anniversary of the grant date.

F2 · derivative.expiration_date: The restricted stock units vested 100% on May 13, 2026, the one-year anniversary of the grant date.

SEC source: 0001193125-26-221587 · ownership.xml · nonDerivative · entry 1

Neuman Eric C · CIK 0001413613 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 341,522

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001193125-26-197169 · ownership.xml · derivative · entry 4

FURST JACK D · CIK 0001062103 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,438

Underlying: Common Stock · Not disclosed shares

Expires not disclosed

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest 100% on April 29, 2027, the one-year anniversary of the grant date.

F3 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest 100% on April 29, 2027, the one-year anniversary of the grant date.

F3 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest 100% on April 29, 2027, the one-year anniversary of the grant date.

F3 · derivative.underlying_shares: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest 100% on April 29, 2027, the one-year anniversary of the grant date.

SEC source: 0001193125-26-197171 · ownership.xml · derivative · entry 2

Kimes Daniel Jeffrey · CIK 0001894771 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,438

Underlying: Common Stock · Not disclosed shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest 100% on April 29, 2027, the one-year anniversary of the grant date.

F1 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest 100% on April 29, 2027, the one-year anniversary of the grant date.

F1 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest 100% on April 29, 2027, the one-year anniversary of the grant date.

F1 · derivative.underlying_shares: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest 100% on April 29, 2027, the one-year anniversary of the grant date.

SEC source: 0001193125-26-197167 · ownership.xml · derivative · entry 2

Crofford Curt L. · CIK 0001499152 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,438

Underlying: Common Stock · Not disclosed shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest 100% on April 29, 2027, the one-year anniversary of the grant date.

F1 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest 100% on April 29, 2027, the one-year anniversary of the grant date.

F1 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest 100% on April 29, 2027, the one-year anniversary of the grant date.

F1 · derivative.underlying_shares: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest 100% on April 29, 2027, the one-year anniversary of the grant date.

SEC source: 0001193125-26-197168 · ownership.xml · derivative · entry 2

Neuman Eric C · CIK 0001413613 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,438

Underlying: Common Stock · Not disclosed shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest 100% on April 29, 2027, the one-year anniversary of the grant date.

F1 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest 100% on April 29, 2027, the one-year anniversary of the grant date.

F1 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest 100% on April 29, 2027, the one-year anniversary of the grant date.

F1 · derivative.underlying_shares: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest 100% on April 29, 2027, the one-year anniversary of the grant date.

SEC source: 0001193125-26-197173 · ownership.xml · derivative · entry 1

THIGPEN JEREMY D · CIK 0001240666 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,438

Underlying: Common Stock · Not disclosed shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest 100% on April 29, 2027, the one-year anniversary of the grant date.

F1 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest 100% on April 29, 2027, the one-year anniversary of the grant date.

F1 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest 100% on April 29, 2027, the one-year anniversary of the grant date.

F1 · derivative.underlying_shares: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest 100% on April 29, 2027, the one-year anniversary of the grant date.

SEC source: 0001193125-26-197166 · ownership.xml · derivative · entry 2

Green Ira Harris Jr · CIK 0002109606 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,438

Underlying: Common Stock · Not disclosed shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest 100% on April 29, 2027, the one-year anniversary of the grant date.

F1 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest 100% on April 29, 2027, the one-year anniversary of the grant date.

F1 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest 100% on April 29, 2027, the one-year anniversary of the grant date.

F1 · derivative.underlying_shares: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest 100% on April 29, 2027, the one-year anniversary of the grant date.

SEC source: 0001193125-26-157343 · ownership.xml · nonDerivative · entry 1

Domino Michael Wayne Jr. · CIK 0001981953 · President, DTR Division

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,443,750

F1 · kind: This transaction was completed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2025.

SEC source: 0001193125-26-134455 · ownership.xml · nonDerivative · entry 1

Domino Michael Wayne Jr. · CIK 0001981953 · President, DTR Division

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,445,833

F1 · kind: This transaction was completed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2025.

SEC source: 0001193125-26-139557 · ownership.xml · nonDerivative · entry 1

FURST JACK D · CIK 0001062103 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · by JDF Long Term Trust

Disclosed balance after: 458,737

F1 · kind: 281,665 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 · ownership.nature: 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.

SEC source: 0001193125-26-139535 · ownership.xml · nonDerivative · entry 1

Crofford Curt L. · CIK 0001499152 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 116,769

F1 · kind: 17,259 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.

SEC source: 0001193125-26-139567 · ownership.xml · nonDerivative · entry 1

Neuman Eric C · CIK 0001413613 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 312,896

F1 · kind: 172,593 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.

SEC source: 0001193125-26-132355 · ownership.xml · nonDerivative · entry 1

Domino Michael Wayne Jr. · CIK 0001981953 · President, DTR Division

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,449,002

F1 · kind: This transaction was completed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2025.

SEC source: 0001193125-26-108875 · ownership.xml · nonDerivative · entry 1

Domino Michael Wayne Jr. · CIK 0001981953 · President, DTR Division

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,449,999

F1 · kind: This transaction was completed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2025.

SEC source: 0001193125-26-104071 · ownership.xml · derivative · entry 2

Pope Trent · CIK 0002050524 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,000

Underlying: Common Stock · 15,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Drilling Tools International Corp's (the "Company") common stock.

F2 · derivative.exercise_date: The RSUs vest in substantially equal installments on each of the first four (4) anniversaries of the grant date, February 28, 2025.

F2 · derivative.expiration_date: The RSUs vest in substantially equal installments on each of the first four (4) anniversaries of the grant date, February 28, 2025.

SEC source: 0001193125-26-104071 · ownership.xml · nonDerivative · entry 1

Pope Trent · CIK 0002050524 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001193125-26-104074 · ownership.xml · derivative · entry 2

Rodriguez Aldo · CIK 0002050731 · Vice President of Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,500

Underlying: Common Stock · 25,500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Drilling Tools International Corp's (the "Company") common stock.

F2 · derivative.exercise_date: The RSUs vest in substantially equal installments on each of the first four (4) anniversaries of the grant date, February 28, 2025.

F2 · derivative.expiration_date: The RSUs vest in substantially equal installments on each of the first four (4) anniversaries of the grant date, February 28, 2025.

SEC source: 0001193125-26-104074 · ownership.xml · nonDerivative · entry 1

Rodriguez Aldo · CIK 0002050731 · Vice President of Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 135,987

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001193125-26-104072 · ownership.xml · derivative · entry 2

Johnson David Richard · CIK 0001982629 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 92,891

Underlying: Common Stock · 30,964 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Drilling Tools International Corp's (the "Company") common stock.

F2 · derivative.exercise_date: The RSUs vest in substantially equal installments on each of the first four (4) anniversaries of the grant date, February 28, 2025.

F2 · derivative.expiration_date: The RSUs vest in substantially equal installments on each of the first four (4) anniversaries of the grant date, February 28, 2025.

SEC source: 0001193125-26-104072 · ownership.xml · nonDerivative · entry 1

Johnson David Richard · CIK 0001982629 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,611

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001193125-26-104075 · ownership.xml · derivative · entry 2

Prejean Robert Wayne · CIK 0001981986 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 213,270

Underlying: Common Stock · 71,090 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Drilling Tools International Corp's (the "Company") common stock.

F2 · derivative.exercise_date: The RSUs vest in substantially equal installments on each of the first four (4) anniversaries of the grant date, February 28, 2025.

F2 · derivative.expiration_date: The RSUs vest in substantially equal installments on each of the first four (4) anniversaries of the grant date, February 28, 2025.

SEC source: 0001193125-26-104075 · ownership.xml · nonDerivative · entry 1

Prejean Robert Wayne · CIK 0001981986 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 509,619

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001193125-26-104073 · ownership.xml · derivative · entry 2

Domino Michael Wayne Jr. · CIK 0001981953 · President, DTR Division

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 75,829

Underlying: Common Stock · 25,277 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Drilling Tools International Corp's (the "Company") common stock.

F2 · derivative.exercise_date: The RSUs vest in substantially equal installments on each of the first four (4) anniversaries of the grant date, February 28, 2025.

F2 · derivative.expiration_date: The RSUs vest in substantially equal installments on each of the first four (4) anniversaries of the grant date, February 28, 2025.

SEC source: 0001193125-26-104073 · ownership.xml · nonDerivative · entry 1

Domino Michael Wayne Jr. · CIK 0001981953 · President, DTR Division

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,452,082

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001193125-26-330532 · ownership.xml · nonDerivative · entry 1

Pope Trent · CIK 0002050524 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,552

SEC source: 0001193125-26-330528 · ownership.xml · nonDerivative · entry 1

Rodriguez Aldo · CIK 0002050731 · Vice President of Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 128,426

SEC source: 0001193125-26-330533 · ownership.xml · nonDerivative · entry 1

Johnson David Richard · CIK 0001982629 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,430

SEC source: 0001193125-26-330548 · ownership.xml · nonDerivative · entry 1

Prejean Robert Wayne · CIK 0001981986 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 491,076

SEC source: 0001193125-26-330535 · ownership.xml · nonDerivative · entry 1

Domino Michael Wayne Jr. · CIK 0001981953 · President, DTR Division

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,432,089

SEC source: 0001193125-26-104071 · ownership.xml · derivative · entry 4

Pope Trent · CIK 0002050524 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,505

Underlying: Common Stock · 67,505 shares

Expires not disclosed

F4 · derivative.exercise_price: Each performance stock unit ("PSU") represents a contingent right to receive one share of the Company's common stock.

F5 · derivative.exercise_date: On February 27, 2026, the reporting person was granted 67,505 PSUs under the Plan, pursuant to the 2026 LTIP. The PSUs are subject to the achievement of performance conditions based on EBITDA, weighted at 100%, with annual reset over a three-year performance vesting period. Achievement at threshold results in a 50% payout opportunity, while achievement at maximum results in a 200% payout opportunity.

F5 · derivative.expiration_date: On February 27, 2026, the reporting person was granted 67,505 PSUs under the Plan, pursuant to the 2026 LTIP. The PSUs are subject to the achievement of performance conditions based on EBITDA, weighted at 100%, with annual reset over a three-year performance vesting period. Achievement at threshold results in a 50% payout opportunity, while achievement at maximum results in a 200% payout opportunity.

SEC source: 0001193125-26-104071 · ownership.xml · derivative · entry 3

Pope Trent · CIK 0002050524 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,502

Underlying: Common Stock · 22,502 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Drilling Tools International Corp's (the "Company") common stock.

F3 · derivative.exercise_date: On February 27, 2026, the reporting person was granted 22,502 RSUs under the Company's 2023 Omnibus Incentive Plan, as may be amended from time to time (the "Plan"), pursuant to the 2026 long-term incentive program approved by the Board of Directors (the "2026 LTIP"). The RSUs vest in substantially equal installments on each of the first three (3) anniversaries of the grant date, subject to continued service.

F3 · derivative.expiration_date: On February 27, 2026, the reporting person was granted 22,502 RSUs under the Company's 2023 Omnibus Incentive Plan, as may be amended from time to time (the "Plan"), pursuant to the 2026 long-term incentive program approved by the Board of Directors (the "2026 LTIP"). The RSUs vest in substantially equal installments on each of the first three (3) anniversaries of the grant date, subject to continued service.

SEC source: 0001193125-26-104074 · ownership.xml · derivative · entry 4

Rodriguez Aldo · CIK 0002050731 · Vice President of Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,291

Underlying: Common Stock · 64,291 shares

Expires not disclosed

F4 · derivative.exercise_price: Each performance stock unit ("PSU") represents a contingent right to receive one share of the Company's common stock.

F5 · derivative.exercise_date: On February 27, 2026, the reporting person was granted 64,291 PSUs under the Plan, pursuant to the 2026 LTIP. The PSUs are subject to the achievement of performance conditions based on EBITDA, weighted at 100%, with annual reset over a three-year performance vesting period. Achievement at threshold results in a 50% payout opportunity, while achievement at maximum results in a 200% payout opportunity.

F5 · derivative.expiration_date: On February 27, 2026, the reporting person was granted 64,291 PSUs under the Plan, pursuant to the 2026 LTIP. The PSUs are subject to the achievement of performance conditions based on EBITDA, weighted at 100%, with annual reset over a three-year performance vesting period. Achievement at threshold results in a 50% payout opportunity, while achievement at maximum results in a 200% payout opportunity.

SEC source: 0001193125-26-104074 · ownership.xml · derivative · entry 3

Rodriguez Aldo · CIK 0002050731 · Vice President of Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,430

Underlying: Common Stock · 21,430 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Drilling Tools International Corp's (the "Company") common stock.

F3 · derivative.exercise_date: On February 27, 2026, the reporting person was granted 21,430 RSUs under the Company's 2023 Omnibus Incentive Plan, as may be amended from time to time (the "Plan"), pursuant to the 2026 long-term incentive program approved by the Board of Directors (the "2026 LTIP"). The RSUs vest in substantially equal installments on each of the first three (3) anniversaries of the grant date, subject to continued service.

F3 · derivative.expiration_date: On February 27, 2026, the reporting person was granted 21,430 RSUs under the Company's 2023 Omnibus Incentive Plan, as may be amended from time to time (the "Plan"), pursuant to the 2026 long-term incentive program approved by the Board of Directors (the "2026 LTIP"). The RSUs vest in substantially equal installments on each of the first three (3) anniversaries of the grant date, subject to continued service.

SEC source: 0001193125-26-104072 · ownership.xml · derivative · entry 4

Johnson David Richard · CIK 0001982629 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 112,009

Underlying: Common Stock · 112,009 shares

Expires not disclosed

F4 · derivative.exercise_price: Each performance stock unit ("PSU") represents a contingent right to receive one share of the Company's common stock.

F5 · derivative.exercise_date: On February 27, 2026, the reporting person was granted 112,009 PSUs under the Plan, pursuant to the 2026 LTIP. The PSUs are subject to the achievement of performance conditions based on EBITDA, weighted at 100%, with annual reset over a three-year performance vesting period. Achievement at threshold results in a 50% payout opportunity, while achievement at maximum results in a 200% payout opportunity.

F5 · derivative.expiration_date: On February 27, 2026, the reporting person was granted 112,009 PSUs under the Plan, pursuant to the 2026 LTIP. The PSUs are subject to the achievement of performance conditions based on EBITDA, weighted at 100%, with annual reset over a three-year performance vesting period. Achievement at threshold results in a 50% payout opportunity, while achievement at maximum results in a 200% payout opportunity.

SEC source: 0001193125-26-104072 · ownership.xml · derivative · entry 3

Johnson David Richard · CIK 0001982629 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,336

Underlying: Common Stock · 37,336 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Drilling Tools International Corp's (the "Company") common stock.

F3 · derivative.exercise_date: On February 27, 2026, the reporting person was granted 37,336 RSUs under the Company's 2023 Omnibus Incentive Plan, as may be amended from time to time (the "Plan"), pursuant to the 2026 long-term incentive program approved by the Board of Directors (the "2026 LTIP"). The RSUs vest in substantially equal installments on each of the first three (3) anniversaries of the grant date, subject to continued service.

F3 · derivative.expiration_date: On February 27, 2026, the reporting person was granted 37,336 RSUs under the Company's 2023 Omnibus Incentive Plan, as may be amended from time to time (the "Plan"), pursuant to the 2026 long-term incentive program approved by the Board of Directors (the "2026 LTIP"). The RSUs vest in substantially equal installments on each of the first three (3) anniversaries of the grant date, subject to continued service.

SEC source: 0001193125-26-104075 · ownership.xml · derivative · entry 4

Prejean Robert Wayne · CIK 0001981986 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 257,162

Underlying: Common Stock · 257,162 shares

Expires not disclosed

F4 · derivative.exercise_price: Each performance stock unit ("PSU") represents a contingent right to receive one share of the Company's common stock.

F5 · derivative.exercise_date: On February 27, 2026, the reporting person was granted 257,162 PSUs under the Plan, pursuant to the 2026 LTIP. The PSUs are subject to the achievement of performance conditions based on EBITDA, weighted at 100%, with annual reset over a three-year performance vesting period. Achievement at threshold results in a 50% payout opportunity, while achievement at maximum results in a 200% payout opportunity.

F5 · derivative.expiration_date: On February 27, 2026, the reporting person was granted 257,162 PSUs under the Plan, pursuant to the 2026 LTIP. The PSUs are subject to the achievement of performance conditions based on EBITDA, weighted at 100%, with annual reset over a three-year performance vesting period. Achievement at threshold results in a 50% payout opportunity, while achievement at maximum results in a 200% payout opportunity.

SEC source: 0001193125-26-104075 · ownership.xml · derivative · entry 3

Prejean Robert Wayne · CIK 0001981986 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 85,721

Underlying: Common Stock · 85,721 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Drilling Tools International Corp's (the "Company") common stock.

F3 · derivative.exercise_date: On February 27, 2026, the reporting person was granted 85,721 RSUs under the Company's 2023 Omnibus Incentive Plan, as may be amended from time to time (the "Plan"), pursuant to the 2026 long-term incentive program approved by the Board of Directors (the "2026 LTIP"). The RSUs vest in substantially equal installments on each of the first three (3) anniversaries of the grant date, subject to continued service.

F3 · derivative.expiration_date: On February 27, 2026, the reporting person was granted 85,721 RSUs under the Company's 2023 Omnibus Incentive Plan, as may be amended from time to time (the "Plan"), pursuant to the 2026 long-term incentive program approved by the Board of Directors (the "2026 LTIP"). The RSUs vest in substantially equal installments on each of the first three (3) anniversaries of the grant date, subject to continued service.

SEC source: 0001193125-26-104073 · ownership.xml · derivative · entry 4

Domino Michael Wayne Jr. · CIK 0001981953 · President, DTR Division

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 68,577

Underlying: Common Stock · 68,577 shares

Expires not disclosed

F4 · derivative.exercise_price: Each performance stock unit ("PSU") represents a contingent right to receive one share of the Company's common stock.

F5 · derivative.exercise_date: On February 27, 2026, the reporting person was granted 68,577 PSUs under the Plan, pursuant to the 2026 LTIP. The PSUs are subject to the achievement of performance conditions based on EBITDA, weighted at 100%, with annual reset over a three-year performance vesting period. Achievement at threshold results in a 50% payout opportunity, while achievement at maximum results in a 200% payout opportunity.

F5 · derivative.expiration_date: On February 27, 2026, the reporting person was granted 68,577 PSUs under the Plan, pursuant to the 2026 LTIP. The PSUs are subject to the achievement of performance conditions based on EBITDA, weighted at 100%, with annual reset over a three-year performance vesting period. Achievement at threshold results in a 50% payout opportunity, while achievement at maximum results in a 200% payout opportunity.

SEC source: 0001193125-26-104073 · ownership.xml · derivative · entry 3

Domino Michael Wayne Jr. · CIK 0001981953 · President, DTR Division

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 22,859

Underlying: Common Stock · 22,859 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Drilling Tools International Corp's (the "Company") common stock.

F3 · derivative.exercise_date: On February 27, 2026, the reporting person was granted 22,859 RSUs under the Company's 2023 Omnibus Incentive Plan, as may be amended from time to time (the "Plan"), pursuant to the 2026 long-term incentive program approved by the Board of Directors (the "2026 LTIP"). The RSUs vest in substantially equal installments on each of the first three (3) anniversaries of the grant date, subject to continued service.

F3 · derivative.expiration_date: On February 27, 2026, the reporting person was granted 22,859 RSUs under the Company's 2023 Omnibus Incentive Plan, as may be amended from time to time (the "Plan"), pursuant to the 2026 long-term incentive program approved by the Board of Directors (the "2026 LTIP"). The RSUs vest in substantially equal installments on each of the first three (3) anniversaries of the grant date, subject to continued service.

SEC source: 0001193125-26-055161 · ownership.xml · nonDerivative · entry 2

Domino Michael Wayne Jr. · CIK 0001981953 · President, DTR Division

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,426,805

F1 · kind: This transaction was completed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2025.

SEC source: 0001193125-26-055161 · ownership.xml · nonDerivative · entry 1

Domino Michael Wayne Jr. · CIK 0001981953 · President, DTR Division

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,428,888

F1 · kind: This transaction was completed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2025.

SEC source: 0001193125-26-017922 · ownership.xml · nonDerivative · entry 1

Domino Michael Wayne Jr. · CIK 0001981953 · President, DTR Division

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,433,054

F1 · kind: This transaction was completed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2025.