WTI

SEC source: 0001104659-26-094104 · tm2622793-5_4seq1.xml · derivative · entry 3

Gamblin Huan · CIK 0002057630 · EVP & Chief Technical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,312

Underlying: Common Stock · 8,312 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.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of WTI common stock or its cash equivalent, as determined at the time of settlement by WTI.

F1 · derivative.exercise_date: On August 8, 2026, the reporting person's 8,312 restricted stock units, which were granted on August 8, 2024, vested, and the reporting person received 8,312 shares of common stock. This represents the vesting of the second tranche of the grant.

F1 · derivative.expiration_date: On August 8, 2026, the reporting person's 8,312 restricted stock units, which were granted on August 8, 2024, vested, and the reporting person received 8,312 shares of common stock. This represents the vesting of the second tranche of the grant.

SEC source: 0001104659-26-094104 · tm2622793-5_4seq1.xml · nonDerivative · entry 2

Gamblin Huan · CIK 0002057630 · EVP & Chief Technical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 134,517

SEC source: 0001104659-26-094104 · tm2622793-5_4seq1.xml · nonDerivative · entry 1

Gamblin Huan · CIK 0002057630 · EVP & Chief Technical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 137,788

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.

F2 · price: Each restricted stock unit represents a contingent right to receive one share of WTI common stock or its cash equivalent, as determined at the time of settlement by WTI.

F1 · acquired: On August 8, 2026, the reporting person's 8,312 restricted stock units, which were granted on August 8, 2024, vested, and the reporting person received 8,312 shares of common stock. This represents the vesting of the second tranche of the grant.

SEC source: 0001104659-26-094097 · tm2622793-2_4seq1.xml · derivative · entry 4

KROHN TRACY W · CIK 0001288376 · Director · Chairman, CEO & President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 132,918

Underlying: Common Stock · 132,918 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.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of WTI common stock or its cash equivalent, as determined at the time of settlement by WTI.

F1 · derivative.exercise_date: On August 8, 2026, the reporting person's 132,918 restricted stock units, which were granted on August 8, 2024, vested, and the reporting person received 132,918 shares of common stock. This represents the vesting of the second tranche of the grant.

F1 · derivative.expiration_date: On August 8, 2026, the reporting person's 132,918 restricted stock units, which were granted on August 8, 2024, vested, and the reporting person received 132,918 shares of common stock. This represents the vesting of the second tranche of the grant.

SEC source: 0001104659-26-094097 · tm2622793-2_4seq1.xml · nonDerivative · entry 2

KROHN TRACY W · CIK 0001288376 · Director · Chairman, CEO & President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,425,593

SEC source: 0001104659-26-094097 · tm2622793-2_4seq1.xml · nonDerivative · entry 1

KROHN TRACY W · CIK 0001288376 · Director · Chairman, CEO & President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,477,897

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.

F2 · price: Each restricted stock unit represents a contingent right to receive one share of WTI common stock or its cash equivalent, as determined at the time of settlement by WTI.

F1 · acquired: On August 8, 2026, the reporting person's 132,918 restricted stock units, which were granted on August 8, 2024, vested, and the reporting person received 132,918 shares of common stock. This represents the vesting of the second tranche of the grant.

SEC source: 0001104659-26-094103 · tm2622793-4_4seq1.xml · derivative · entry 3

Williford William J · CIK 0001758991 · EVP & Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,075

Underlying: Common Stock · 56,075 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.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by WTI. Each grant of restricted stock units vests in three installments.

F1 · derivative.exercise_date: On August 8, 2026, the reporting person's 56,075 restricted stock units, which were granted on August 8, 2024, vested, and the reporting person received 56,075 shares of common stock. This represents the vesting of the second tranche of the grant.

F1 · derivative.expiration_date: On August 8, 2026, the reporting person's 56,075 restricted stock units, which were granted on August 8, 2024, vested, and the reporting person received 56,075 shares of common stock. This represents the vesting of the second tranche of the grant.

SEC source: 0001104659-26-094103 · tm2622793-4_4seq1.xml · nonDerivative · entry 2

Williford William J · CIK 0001758991 · EVP & Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 409,181

SEC source: 0001104659-26-094103 · tm2622793-4_4seq1.xml · nonDerivative · entry 1

Williford William J · CIK 0001758991 · EVP & Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 431,247

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.

F2 · price: Each restricted stock unit represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by WTI. Each grant of restricted stock units vests in three installments.

F1 · acquired: On August 8, 2026, the reporting person's 56,075 restricted stock units, which were granted on August 8, 2024, vested, and the reporting person received 56,075 shares of common stock. This represents the vesting of the second tranche of the grant.

SEC source: 0001104659-26-094099 · tm2622793-3_4seq1.xml · derivative · entry 3

Parasnis Sameer · CIK 0001782889 · EVP & Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,075

Underlying: Common Stock · 56,075 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.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by WTI. Each grant of restricted stock units vests in three installments.

F1 · derivative.exercise_date: On August 8, 2026, the reporting person's 56,075 restricted stock units, which were granted on August 8, 2024, vested, and the reporting person received 56,075 shares of common stock. This represents the vesting of the second tranche of the grant.

F1 · derivative.expiration_date: On August 8, 2026, the reporting person's 56,075 restricted stock units, which were granted on August 8, 2024, vested, and the reporting person received 56,075 shares of common stock. This represents the vesting of the second tranche of the grant.

SEC source: 0001104659-26-094099 · tm2622793-3_4seq1.xml · nonDerivative · entry 2

Parasnis Sameer · CIK 0001782889 · EVP & Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 199,597

SEC source: 0001104659-26-094099 · tm2622793-3_4seq1.xml · nonDerivative · entry 1

Parasnis Sameer · CIK 0001782889 · EVP & Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 221,663

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.

F2 · price: Each restricted stock unit represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by WTI. Each grant of restricted stock units vests in three installments.

F1 · acquired: On August 8, 2026, the reporting person's 56,075 restricted stock units, which were granted on August 8, 2024, vested, and the reporting person received 56,075 shares of common stock. This represents the vesting of the second tranche of the grant.

SEC source: 0001104659-26-094096 · tm2622793-1_4seq1.xml · derivative · entry 3

Hartman Bart P. III · CIK 0001927915 · VP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,425

Underlying: Common Stock · 7,425 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.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by WTI. Each grant of restricted stock units vests in three installments.

F1 · derivative.exercise_date: On August 8, 2026, the reporting person's 7,425 restricted stock units, which were granted on August 8, 2026, vested, and the reporting person received 7,425 shares of common stock. This represents the vesting of the second tranche of the grant.

F1 · derivative.expiration_date: On August 8, 2026, the reporting person's 7,425 restricted stock units, which were granted on August 8, 2026, vested, and the reporting person received 7,425 shares of common stock. This represents the vesting of the second tranche of the grant.

SEC source: 0001104659-26-094096 · tm2622793-1_4seq1.xml · nonDerivative · entry 2

Hartman Bart P. III · CIK 0001927915 · VP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,623

SEC source: 0001104659-26-094096 · tm2622793-1_4seq1.xml · nonDerivative · entry 1

Hartman Bart P. III · CIK 0001927915 · VP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,545

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.

F2 · price: Each restricted stock unit represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by WTI. Each grant of restricted stock units vests in three installments.

F1 · acquired: On August 8, 2026, the reporting person's 7,425 restricted stock units, which were granted on August 8, 2026, vested, and the reporting person received 7,425 shares of common stock. This represents the vesting of the second tranche of the grant.

SEC source: 0001104659-26-084284 · tm2620606-8_4seq1.xml · nonDerivative · entry 1

Conwill Daniel O. IV · CIK 0001569214 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 191,076

F1 · kind: Shares were sold to pay taxes upon the vesting of restricted stock units.

SEC source: 0001104659-26-084282 · tm2620606-7_4seq1.xml · nonDerivative · entry 1

CHANG NANCY T · CIK 0001135041 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 156,100

F1 · kind: Shares were sold to pay taxes upon the vesting of restricted stock units.

F2 · price: The price reported in column 4 is a weighted average sales price. These shares were sold at prices ranging from $3.33 to $3.335.

SEC source: 0001104659-26-084272 · tm2620606-2_4seq1.xml · nonDerivative · entry 1

Gamblin Huan · CIK 0002057630 · EVP & Chief Technical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 129,476

F1 · kind: Shares were sold to pay taxes upon the vesting of restricted stock units.

F2 · price: The price reported in column 4 is a weighted average sales price. These shares were sold at prices ranging from $3.55 to $3.56.

SEC source: 0001104659-26-084276 · tm2620606-4_4seq1.xml · nonDerivative · entry 1

Hittner George · CIK 0002036078 · EVP, GC & Corporate Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 182,205

F1 · kind: Shares were sold to pay taxes upon the vesting of restricted stock units.

F2 · price: The price reported in column 4 is a weighted average sales price. These shares were sold at prices ranging from $3.53 to $3.54.

SEC source: 0001104659-26-084281 · tm2620606-6_4seq1.xml · nonDerivative · entry 1

Williford William J · CIK 0001758991 · EVP & Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 375,172

F1 · kind: Shares were sold to pay taxes upon the vesting of restricted stock units.

SEC source: 0001104659-26-084279 · tm2620606-5_4seq1.xml · nonDerivative · entry 1

Parasnis Sameer · CIK 0001782889 · EVP & Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 165,588

F1 · kind: Shares were sold to pay taxes upon the vesting of restricted stock units.

SEC source: 0001104659-26-084270 · tm2620606-1_4seq1.xml · nonDerivative · entry 1

Boulet Virginia · CIK 0001202817 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 487,597

F1 · kind: Shares were sold to pay taxes upon the vesting of restricted stock units.

SEC source: 0001104659-26-084274 · tm2620606-3_4seq1.xml · nonDerivative · entry 1

Hartman Bart P. III · CIK 0001927915 · VP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,120

F1 · kind: Shares were sold to pay taxes upon the vesting of restricted stock units.

F2 · price: The price reported in column 4 is a weighted average sales price. These shares were sold at prices ranging from $3.535 to $3.5501.

SEC source: 0001104659-26-081318 · tm2619941-1_4seq1.xml · derivative · entry 3

Parasnis Sameer · CIK 0001782889 · EVP & Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 22,685 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.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by WTI. Each grant of restricted stock units vests in three installments.

F1 · derivative.exercise_date: On July 3, 2026, the reporting person's 22,685 restricted stock units, which were granted on July 3, 2023, vested, and the reporting person received 22,685 shares of common stock. This represents the vesting of the final tranche of the grant.

F1 · derivative.expiration_date: On July 3, 2026, the reporting person's 22,685 restricted stock units, which were granted on July 3, 2023, vested, and the reporting person received 22,685 shares of common stock. This represents the vesting of the final tranche of the grant.

SEC source: 0001104659-26-081318 · tm2619941-1_4seq1.xml · nonDerivative · entry 2

Parasnis Sameer · CIK 0001782889 · EVP & Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 195,228

SEC source: 0001104659-26-081318 · tm2619941-1_4seq1.xml · nonDerivative · entry 1

Parasnis Sameer · CIK 0001782889 · EVP & Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 204,155

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.

F2 · price: Each restricted stock unit represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by WTI. Each grant of restricted stock units vests in three installments.

F1 · acquired: On July 3, 2026, the reporting person's 22,685 restricted stock units, which were granted on July 3, 2023, vested, and the reporting person received 22,685 shares of common stock. This represents the vesting of the final tranche of the grant.

SEC source: 0001104659-26-071904 · tm2617353-3_4seq1.xml · derivative · entry 3

Gamblin Huan · CIK 0002057630 · EVP & Chief Technical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,670 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.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of WTI common stock or its cash equivalent, as determined at the time of settlement by WTI.

F1 · derivative.exercise_date: On June 5, 2026, the reporting person's 6,670 restricted stock units, which were granted on June 5, 2023, vested, and the reporting person received 6,670 shares of common stock. This represents the vesting of the final tranche of the grant.

F1 · derivative.expiration_date: On June 5, 2026, the reporting person's 6,670 restricted stock units, which were granted on June 5, 2023, vested, and the reporting person received 6,670 shares of common stock. This represents the vesting of the final tranche of the grant.

SEC source: 0001104659-26-071904 · tm2617353-3_4seq1.xml · nonDerivative · entry 2

Gamblin Huan · CIK 0002057630 · EVP & Chief Technical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 159,476

SEC source: 0001104659-26-071904 · tm2617353-3_4seq1.xml · nonDerivative · entry 1

Gamblin Huan · CIK 0002057630 · EVP & Chief Technical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 162,101

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.

F2 · price: Each restricted stock unit represents a contingent right to receive one share of WTI common stock or its cash equivalent, as determined at the time of settlement by WTI.

F1 · acquired: On June 5, 2026, the reporting person's 6,670 restricted stock units, which were granted on June 5, 2023, vested, and the reporting person received 6,670 shares of common stock. This represents the vesting of the final tranche of the grant.

SEC source: 0001104659-26-071902 · tm2617353-2_4seq1.xml · derivative · entry 4

KROHN TRACY W · CIK 0001288376 · Director · Chairman, CEO & President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 106,667 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.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by WTI. Each grant of restricted stock units vests in three installments.

F1 · derivative.exercise_date: On June 5, 2026, the reporting person's 106,667 restricted stock units, which were granted on June 5, 2023, vested, and the reporting person received 106,667 shares of common stock. This represents the vesting of the final tranche of the grant.

F1 · derivative.expiration_date: On June 5, 2026, the reporting person's 106,667 restricted stock units, which were granted on June 5, 2023, vested, and the reporting person received 106,667 shares of common stock. This represents the vesting of the final tranche of the grant.

SEC source: 0001104659-26-071902 · tm2617353-2_4seq1.xml · nonDerivative · entry 2

KROHN TRACY W · CIK 0001288376 · Director · Chairman, CEO & President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,344,979

SEC source: 0001104659-26-071902 · tm2617353-2_4seq1.xml · nonDerivative · entry 1

KROHN TRACY W · CIK 0001288376 · Director · Chairman, CEO & President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,386,953

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.

F2 · price: Each restricted stock unit represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by WTI. Each grant of restricted stock units vests in three installments.

F1 · acquired: On June 5, 2026, the reporting person's 106,667 restricted stock units, which were granted on June 5, 2023, vested, and the reporting person received 106,667 shares of common stock. This represents the vesting of the final tranche of the grant.

SEC source: 0001104659-26-071905 · tm2617353-4_4seq1.xml · derivative · entry 3

Hartman Bart P. III · CIK 0001927915 · VP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,959 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.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by WTI. Each grant of restricted stock units vests in three installments.

F1 · derivative.exercise_date: On June 5, 2026, the reporting person's 5,959 restricted stock units, which were granted on June 5, 2023, vested, and the reporting person received 5,959 shares of common stock. This represents the vesting of the final tranche of the grant.

F1 · derivative.expiration_date: On June 5, 2026, the reporting person's 5,959 restricted stock units, which were granted on June 5, 2023, vested, and the reporting person received 5,959 shares of common stock. This represents the vesting of the final tranche of the grant.

SEC source: 0001104659-26-071905 · tm2617353-4_4seq1.xml · nonDerivative · entry 2

Hartman Bart P. III · CIK 0001927915 · VP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,120

SEC source: 0001104659-26-071905 · tm2617353-4_4seq1.xml · nonDerivative · entry 1

Hartman Bart P. III · CIK 0001927915 · VP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,465

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.

F2 · price: Each restricted stock unit represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by WTI. Each grant of restricted stock units vests in three installments.

F1 · acquired: On June 5, 2026, the reporting person's 5,959 restricted stock units, which were granted on June 5, 2023, vested, and the reporting person received 5,959 shares of common stock. This represents the vesting of the final tranche of the grant.

SEC source: 0001104659-26-071901 · tm2617353-1_4seq1.xml · derivative · entry 3

Williford William J · CIK 0001758991 · EVP & Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 45,000 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.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by WTI. Each grant of restricted stock units vests in three installments.

F1 · derivative.exercise_date: On June 5, 2026, the reporting person's 45,000 restricted stock units, which were granted on June 5, 2023, vested, and the reporting person received 45,000 shares of common stock. This represents the vesting of the final tranche of the grant.

F1 · derivative.expiration_date: On June 5, 2026, the reporting person's 45,000 restricted stock units, which were granted on June 5, 2023, vested, and the reporting person received 45,000 shares of common stock. This represents the vesting of the final tranche of the grant.

SEC source: 0001104659-26-071901 · tm2617353-1_4seq1.xml · nonDerivative · entry 2

Williford William J · CIK 0001758991 · EVP & Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 405,172

SEC source: 0001104659-26-071901 · tm2617353-1_4seq1.xml · nonDerivative · entry 1

Williford William J · CIK 0001758991 · EVP & Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 422,880

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.

F2 · price: Each restricted stock unit represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by WTI. Each grant of restricted stock units vests in three installments.

F1 · acquired: On June 5, 2026, the reporting person's 45,000 restricted stock units, which were granted on June 5, 2023, vested, and the reporting person received 45,000 shares of common stock. This represents the vesting of the final tranche of the grant.

SEC source: 0001104659-26-071066 · tm2617014-4seq1.xml · derivative · entry 3

CHANG NANCY T · CIK 0001135041 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 103,448 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.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by WTI.

F1 · derivative.exercise_date: On June 3, 2026, the reporting person's 103,448 restricted stock units, which were granted on June 3, 2025, vested, and the reporting person received 103,448 shares of common stock.

F1 · derivative.expiration_date: On June 3, 2026, the reporting person's 103,448 restricted stock units, which were granted on June 3, 2025, vested, and the reporting person received 103,448 shares of common stock.

SEC source: 0001104659-26-071066 · tm2617014-4seq1.xml · derivative · entry 2

CHANG NANCY T · CIK 0001135041 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,972

Underlying: Common Stock · 35,972 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by WTI.

F3 · derivative.exercise_date: The restricted stock units will vest on the earlier of June 3, 2027, or the date of WTI's next annual shareholder meeting, subject to certain conditions.

F3 · derivative.expiration_date: The restricted stock units will vest on the earlier of June 3, 2027, or the date of WTI's next annual shareholder meeting, subject to certain conditions.

SEC source: 0001104659-26-071066 · tm2617014-4seq1.xml · nonDerivative · entry 1

CHANG NANCY T · CIK 0001135041 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 216,100

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.

F2 · price: Each restricted stock unit represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by WTI.

F1 · acquired: On June 3, 2026, the reporting person's 103,448 restricted stock units, which were granted on June 3, 2025, vested, and the reporting person received 103,448 shares of common stock.

SEC source: 0001104659-26-071062 · tm2617014d1_4seq1.xml · derivative · entry 3

Stanley B Frank · CIK 0001463177 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 103,448 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.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by WTI.

F1 · derivative.exercise_date: On June 3, 2026, the reporting person's 103,448 restricted stock units, which were granted on June 3, 2025, vested, and the reporting person received 103,448 shares of common stock.

F1 · derivative.expiration_date: On June 3, 2026, the reporting person's 103,448 restricted stock units, which were granted on June 3, 2025, vested, and the reporting person received 103,448 shares of common stock.

SEC source: 0001104659-26-071062 · tm2617014d1_4seq1.xml · derivative · entry 2

Stanley B Frank · CIK 0001463177 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,972

Underlying: Common Stock · 35,972 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by WTI.

F3 · derivative.exercise_date: The restricted stock units will vest on the earlier of June 3, 2027, or the date of WTI's next annual shareholder meeting, subject to certain conditions.

F3 · derivative.expiration_date: The restricted stock units will vest on the earlier of June 3, 2027, or the date of WTI's next annual shareholder meeting, subject to certain conditions.

SEC source: 0001104659-26-071062 · tm2617014d1_4seq1.xml · nonDerivative · entry 1

Stanley B Frank · CIK 0001463177 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 497,073

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.

F2 · price: Each restricted stock unit represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by WTI.

F1 · acquired: On June 3, 2026, the reporting person's 103,448 restricted stock units, which were granted on June 3, 2025, vested, and the reporting person received 103,448 shares of common stock.

SEC source: 0001104659-26-071067 · tm2617014-5_4seq1.xml · derivative · entry 3

Conwill Daniel O. IV · CIK 0001569214 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 103,448 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.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by WTI.

F1 · derivative.exercise_date: On June 3, 2026, the reporting person's 103,448 restricted stock units, which were granted on June 3, 2025, vested, and the reporting person received 103,448 shares of common stock.

F1 · derivative.expiration_date: On June 3, 2026, the reporting person's 103,448 restricted stock units, which were granted on June 3, 2025, vested, and the reporting person received 103,448 shares of common stock.

SEC source: 0001104659-26-071067 · tm2617014-5_4seq1.xml · derivative · entry 2

Conwill Daniel O. IV · CIK 0001569214 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,972

Underlying: Common Stock · 35,972 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by WTI.

F3 · derivative.exercise_date: The restricted stock units will vest on the earlier of June 3, 2027, or the date of WTI's next annual shareholder meeting, subject to certain conditions.

F3 · derivative.expiration_date: The restricted stock units will vest on the earlier of June 3, 2027, or the date of WTI's next annual shareholder meeting, subject to certain conditions.

SEC source: 0001104659-26-071067 · tm2617014-5_4seq1.xml · nonDerivative · entry 1

Conwill Daniel O. IV · CIK 0001569214 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 251,076

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.

F2 · price: Each restricted stock unit represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by WTI.

F1 · acquired: On June 3, 2026, the reporting person's 103,448 restricted stock units, which were granted on June 3, 2025, vested, and the reporting person received 103,448 shares of common stock.

SEC source: 0001104659-26-071065 · tm2617014-3_4seq1.xml · derivative · entry 3

Buchanan John D · CIK 0001388865 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 103,448 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.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by WTI.

F1 · derivative.exercise_date: On June 3, 2026, the reporting person's 103,448 restricted stock units, which were granted on June 3, 2025, vested, and the reporting person received 103,448 shares of common stock.

F1 · derivative.expiration_date: On June 3, 2026, the reporting person's 103,448 restricted stock units, which were granted on June 3, 2025, vested, and the reporting person received 103,448 shares of common stock.

SEC source: 0001104659-26-071065 · tm2617014-3_4seq1.xml · derivative · entry 2

Buchanan John D · CIK 0001388865 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,972

Underlying: Common Stock · 35,972 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by WTI.

F3 · derivative.exercise_date: The restricted stock units will vest on the earlier of June 3, 2027, or the date of WTI's next annual shareholder meeting, subject to certain conditions.

F3 · derivative.expiration_date: The restricted stock units will vest on the earlier of June 3, 2027, or the date of WTI's next annual shareholder meeting, subject to certain conditions.

SEC source: 0001104659-26-071065 · tm2617014-3_4seq1.xml · nonDerivative · entry 1

Buchanan John D · CIK 0001388865 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 177,340

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.

F2 · price: Each restricted stock unit represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by WTI.

F1 · acquired: On June 3, 2026, the reporting person's 103,448 restricted stock units, which were granted on June 3, 2025, vested, and the reporting person received 103,448 shares of common stock.