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SEC source: 0001062993-26-003319 · form4.xml · derivative · entry 4

Perrill Dave · CIK 0002123299 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 337,500

Underlying: Common Stock · 100,000 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: Reflects restricted share units ("RSUs") issued pursuant to the Issuer's Restricted Share Unit Plan (the "RSU Plan") that, upon vesting and settlement converted into shares of Issuer common stock on a one-for-one basis.

F3 · derivative.exercise_date: Reflects 100,000 RSUs that were awarded on April 17, 2025 and vested on April 17, 2026. These RSUs were settled and converted into common shares of the Issuer on May 7, 2026, in accordance with the Issuer's RSU Plan.

F3 · derivative.expiration_date: Reflects 100,000 RSUs that were awarded on April 17, 2025 and vested on April 17, 2026. These RSUs were settled and converted into common shares of the Issuer on May 7, 2026, in accordance with the Issuer's RSU Plan.

SEC source: 0001062993-26-003319 · form4.xml · nonDerivative · entry 2

Perrill Dave · CIK 0002123299 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 175,000

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.

F1 · price: Reflects restricted share units ("RSUs") issued pursuant to the Issuer's Restricted Share Unit Plan (the "RSU Plan") that, upon vesting and settlement converted into shares of Issuer common stock on a one-for-one basis.

SEC source: 0001062993-26-003319 · form4.xml · nonDerivative · entry 1

Perrill Dave · CIK 0002123299 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 162,500

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 · price: Reflects restricted share units ("RSUs") issued pursuant to the Issuer's Restricted Share Unit Plan (the "RSU Plan") that, upon vesting and settlement converted into shares of Issuer common stock on a one-for-one basis.

SEC source: 0001062993-26-002373 · form4.xml · derivative · entry 2

MCGEE SUSAN B · CIK 0001251825 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 325,000

Underlying: Common Stock · 12,500 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.

F2 · derivative.exercise_price: Each RSU represents the right to receive, at settlement, one share of common stock of the Issuer.

F3 · derivative.exercise_date: 12,500 RSUs vested on May 5, 2026.

F3 · derivative.expiration_date: 12,500 RSUs vested on May 5, 2026.

F4 · balance_after: The RSUs reported under Column 9 include four additional RSU awards that were previously reported. The underlying shares and vesting schedules are as follows: (i) 25,000 vest in two equal installments of 12,500 on each of August 5, 2026 and November 5, 2026; (ii) 100,000 will vest on July 8, 2026; (iii) 100,000 will vest on October 31, 2026 and (iv) 100,000 will vest on March 16, 2027.

SEC source: 0001062993-26-002373 · form4.xml · nonDerivative · entry 1

MCGEE SUSAN B · CIK 0001251825 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 225,000

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.

F1 · shares: Reflects restricted stock units ("RSUs") that upon vesting and settlement converted into shares of Issuer common stock on a one-for-one basis.

F1 · price: Reflects restricted stock units ("RSUs") that upon vesting and settlement converted into shares of Issuer common stock on a one-for-one basis.

SEC source: 0001062993-26-003495 · form4.xml · derivative · entry 7

Tavares Craig · CIK 0002122229 · BUZZ HPC-President & COO

10b5-1 filing: No plan indicated

Ownership: Indirect · By 12832577 Canada Inc.

Disclosed balance after: 590,000

Underlying: Common Stock · 200,000 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: Reflects restricted share units ("RSUs") issued pursuant to the Issuer's Restricted Stock Unit Plan (the "RSU Plan") that, upon vesting and settlement converted into shares of Issuer common stock on a one-for-one basis.

F6 · derivative.exercise_date: Reflects 200,000 RSUs that were awarded on June 30, 2026 and will vest in full on June 30, 2027.

F6 · derivative.expiration_date: Reflects 200,000 RSUs that were awarded on June 30, 2026 and will vest in full on June 30, 2027.

F7 · balance_after: In addition to the RSUs awarded on June 30, 2026, the RSUs reported under Column 9 include RSUs that were previously reported. The underlying shares and vesting schedules are as follows: (i) 200,000 vest in two equal installments of 100,000 on each of November 5, 2026 and November 5, 2027; (ii) 50,000 will vest on July 8, 2026; (iii) 70,000 will vest on October 31, 2026 and (iv) 70,000 will vest on March 16, 2027.

F2 · ownership.nature: These securities are held by 12832577 Canada Inc., a corporation that is wholly controlled by Mr. Tavares.

SEC source: 0001062993-26-003495 · form4.xml · derivative · entry 6

Tavares Craig · CIK 0002122229 · BUZZ HPC-President & COO

10b5-1 filing: No plan indicated

Ownership: Indirect · By 12832577 Canada Inc.

Disclosed balance after: 390,000

Underlying: Common Stock · 50,000 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: Reflects restricted share units ("RSUs") issued pursuant to the Issuer's Restricted Stock Unit Plan (the "RSU Plan") that, upon vesting and settlement converted into shares of Issuer common stock on a one-for-one basis.

F5 · derivative.exercise_date: Reflects 50,000 RSUs that vested on April 17, 2026. These RSUs were settled and converted into common shares of the Issuer on May 1, 2026, in accordance with the Issuer's RSU Plan.

F5 · derivative.expiration_date: Reflects 50,000 RSUs that vested on April 17, 2026. These RSUs were settled and converted into common shares of the Issuer on May 1, 2026, in accordance with the Issuer's RSU Plan.

F7 · balance_after: In addition to the RSUs awarded on June 30, 2026, the RSUs reported under Column 9 include RSUs that were previously reported. The underlying shares and vesting schedules are as follows: (i) 200,000 vest in two equal installments of 100,000 on each of November 5, 2026 and November 5, 2027; (ii) 50,000 will vest on July 8, 2026; (iii) 70,000 will vest on October 31, 2026 and (iv) 70,000 will vest on March 16, 2027.

F2 · ownership.nature: These securities are held by 12832577 Canada Inc., a corporation that is wholly controlled by Mr. Tavares.

SEC source: 0001062993-26-003495 · form4.xml · derivative · entry 5

Tavares Craig · CIK 0002122229 · BUZZ HPC-President & COO

10b5-1 filing: No plan indicated

Ownership: Indirect · By 12832577 Canada Inc.

Disclosed balance after: 440,000

Underlying: Common Stock · 25,000 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: Reflects restricted share units ("RSUs") issued pursuant to the Issuer's Restricted Stock Unit Plan (the "RSU Plan") that, upon vesting and settlement converted into shares of Issuer common stock on a one-for-one basis.

F4 · derivative.exercise_date: Reflects 25,000 RSUs that vested on February 14, 2026. These RSUs were settled and converted into common shares of the Issuer on May 1, 2026, in accordance with the Issuer's RSU Plan.

F4 · derivative.expiration_date: Reflects 25,000 RSUs that vested on February 14, 2026. These RSUs were settled and converted into common shares of the Issuer on May 1, 2026, in accordance with the Issuer's RSU Plan.

F7 · balance_after: In addition to the RSUs awarded on June 30, 2026, the RSUs reported under Column 9 include RSUs that were previously reported. The underlying shares and vesting schedules are as follows: (i) 200,000 vest in two equal installments of 100,000 on each of November 5, 2026 and November 5, 2027; (ii) 50,000 will vest on July 8, 2026; (iii) 70,000 will vest on October 31, 2026 and (iv) 70,000 will vest on March 16, 2027.

F2 · ownership.nature: These securities are held by 12832577 Canada Inc., a corporation that is wholly controlled by Mr. Tavares.

SEC source: 0001062993-26-003495 · form4.xml · derivative · entry 4

Tavares Craig · CIK 0002122229 · BUZZ HPC-President & COO

10b5-1 filing: No plan indicated

Ownership: Indirect · By 12832577 Canada Inc.

Disclosed balance after: 465,000

Underlying: Common Stock · 100,000 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: Reflects restricted share units ("RSUs") issued pursuant to the Issuer's Restricted Stock Unit Plan (the "RSU Plan") that, upon vesting and settlement converted into shares of Issuer common stock on a one-for-one basis.

F3 · derivative.exercise_date: Reflects 100,000 RSUs that vested on November 5, 2025. These RSUs were settled and converted into common shares of the Issuer on May 1, 2026, in accordance with the Issuer's RSU Plan.

F3 · derivative.expiration_date: Reflects 100,000 RSUs that vested on November 5, 2025. These RSUs were settled and converted into common shares of the Issuer on May 1, 2026, in accordance with the Issuer's RSU Plan.

F7 · balance_after: In addition to the RSUs awarded on June 30, 2026, the RSUs reported under Column 9 include RSUs that were previously reported. The underlying shares and vesting schedules are as follows: (i) 200,000 vest in two equal installments of 100,000 on each of November 5, 2026 and November 5, 2027; (ii) 50,000 will vest on July 8, 2026; (iii) 70,000 will vest on October 31, 2026 and (iv) 70,000 will vest on March 16, 2027.

F2 · ownership.nature: These securities are held by 12832577 Canada Inc., a corporation that is wholly controlled by Mr. Tavares.

SEC source: 0001062993-26-003495 · form4.xml · nonDerivative · entry 3

Tavares Craig · CIK 0002122229 · BUZZ HPC-President & COO

10b5-1 filing: No plan indicated

Ownership: Indirect · By 12832577 Canada Inc.

Disclosed balance after: 175,000

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.

F1 · price: Reflects restricted share units ("RSUs") issued pursuant to the Issuer's Restricted Stock Unit Plan (the "RSU Plan") that, upon vesting and settlement converted into shares of Issuer common stock on a one-for-one basis.

F2 · ownership.nature: These securities are held by 12832577 Canada Inc., a corporation that is wholly controlled by Mr. Tavares.

SEC source: 0001062993-26-003495 · form4.xml · nonDerivative · entry 2

Tavares Craig · CIK 0002122229 · BUZZ HPC-President & COO

10b5-1 filing: No plan indicated

Ownership: Indirect · By 12832577 Canada Inc.

Disclosed balance after: 125,000

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.

F1 · price: Reflects restricted share units ("RSUs") issued pursuant to the Issuer's Restricted Stock Unit Plan (the "RSU Plan") that, upon vesting and settlement converted into shares of Issuer common stock on a one-for-one basis.

F2 · ownership.nature: These securities are held by 12832577 Canada Inc., a corporation that is wholly controlled by Mr. Tavares.

SEC source: 0001062993-26-003495 · form4.xml · nonDerivative · entry 1

Tavares Craig · CIK 0002122229 · BUZZ HPC-President & COO

10b5-1 filing: No plan indicated

Ownership: Indirect · By 12832577 Canada Inc.

Disclosed balance after: 100,000

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.

F1 · price: Reflects restricted share units ("RSUs") issued pursuant to the Issuer's Restricted Stock Unit Plan (the "RSU Plan") that, upon vesting and settlement converted into shares of Issuer common stock on a one-for-one basis.

F2 · ownership.nature: These securities are held by 12832577 Canada Inc., a corporation that is wholly controlled by Mr. Tavares.

SEC source: 0001062993-26-003632 · form4.xml · derivative · entry 8

Calveley Timothy · CIK 0002122510 · BUZZ HPC-CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 297,500

Underlying: Common Stock · 120,000 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: Reflects restricted share units ("RSUs") issued pursuant to the Issuer's Restricted Share Unit Plan (the "RSU Plan") that, upon vesting and settlement will convert into shares of the Issuer's common stock on a one-for-one basis.

F4 · derivative.exercise_date: Reflects 120,000 RSUs that were awarded on April 17, 2025 that were fully vested on April 17, 2026. These RSUs were settled and converted into common shares of the Issuer on April 23, 2026, in accordance with the Issuer's RSU Plan

F4 · derivative.expiration_date: Reflects 120,000 RSUs that were awarded on April 17, 2025 that were fully vested on April 17, 2026. These RSUs were settled and converted into common shares of the Issuer on April 23, 2026, in accordance with the Issuer's RSU Plan

F7 · balance_after: Includes RSUs that were previously reported. Excluding the 242,500 RSUs that were converted on April 23, 2026, the reporting person held the following RSUs as of April 23, 2026: (i) 37,500 RSUs that will vest in three equal installments of 12,500 on each of May 5, 2026, August 5, 2026 and November 5, 2026; (ii) 120,000 RSUs that will vest on July 8, 2026; (iii) 70,000 RSUs that will vest on October 31, 2026 and (iv) 70,000 RSUs that will vest on March 16, 2027.

SEC source: 0001062993-26-003632 · form4.xml · derivative · entry 7

Calveley Timothy · CIK 0002122510 · BUZZ HPC-CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 417,500

Underlying: Common Stock · 60,000 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: Reflects restricted share units ("RSUs") issued pursuant to the Issuer's Restricted Share Unit Plan (the "RSU Plan") that, upon vesting and settlement will convert into shares of the Issuer's common stock on a one-for-one basis.

F3 · derivative.exercise_date: Reflects 60,000 RSUs that were awarded on February 14, 2025 that were fully vested on February 14, 2026. These RSUs were settled and converted into common shares of the Issuer on April 23, 2026, in accordance with the Issuer's RSU Plan.

F3 · derivative.expiration_date: Reflects 60,000 RSUs that were awarded on February 14, 2025 that were fully vested on February 14, 2026. These RSUs were settled and converted into common shares of the Issuer on April 23, 2026, in accordance with the Issuer's RSU Plan.

F7 · balance_after: Includes RSUs that were previously reported. Excluding the 242,500 RSUs that were converted on April 23, 2026, the reporting person held the following RSUs as of April 23, 2026: (i) 37,500 RSUs that will vest in three equal installments of 12,500 on each of May 5, 2026, August 5, 2026 and November 5, 2026; (ii) 120,000 RSUs that will vest on July 8, 2026; (iii) 70,000 RSUs that will vest on October 31, 2026 and (iv) 70,000 RSUs that will vest on March 16, 2027.

SEC source: 0001062993-26-003632 · form4.xml · derivative · entry 6

Calveley Timothy · CIK 0002122510 · BUZZ HPC-CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 477,500

Underlying: Common Stock · 62,500 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: Reflects restricted share units ("RSUs") issued pursuant to the Issuer's Restricted Share Unit Plan (the "RSU Plan") that, upon vesting and settlement will convert into shares of the Issuer's common stock on a one-for-one basis.

F2 · derivative.exercise_date: Reflects 62,500 RSUs that were awarded on November 5, 2024 that were fully vested on February 5, 2026. These RSUs were settled and converted into common shares of the Issuer on April 23, 2026 in accordance with the Issuer's RSU Plan.

F2 · derivative.expiration_date: Reflects 62,500 RSUs that were awarded on November 5, 2024 that were fully vested on February 5, 2026. These RSUs were settled and converted into common shares of the Issuer on April 23, 2026 in accordance with the Issuer's RSU Plan.

F7 · balance_after: Includes RSUs that were previously reported. Excluding the 242,500 RSUs that were converted on April 23, 2026, the reporting person held the following RSUs as of April 23, 2026: (i) 37,500 RSUs that will vest in three equal installments of 12,500 on each of May 5, 2026, August 5, 2026 and November 5, 2026; (ii) 120,000 RSUs that will vest on July 8, 2026; (iii) 70,000 RSUs that will vest on October 31, 2026 and (iv) 70,000 RSUs that will vest on March 16, 2027.

SEC source: 0001062993-26-003632 · form4.xml · nonDerivative · entry 3

Calveley Timothy · CIK 0002122510 · BUZZ HPC-CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 242,500

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 · price: Reflects restricted share units ("RSUs") issued pursuant to the Issuer's Restricted Share Unit Plan (the "RSU Plan") that, upon vesting and settlement will convert into shares of the Issuer's common stock on a one-for-one basis.

F4 · price: Reflects 120,000 RSUs that were awarded on April 17, 2025 that were fully vested on April 17, 2026. These RSUs were settled and converted into common shares of the Issuer on April 23, 2026, in accordance with the Issuer's RSU Plan

SEC source: 0001062993-26-003632 · form4.xml · nonDerivative · entry 2

Calveley Timothy · CIK 0002122510 · BUZZ HPC-CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 122,500

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 · price: Reflects restricted share units ("RSUs") issued pursuant to the Issuer's Restricted Share Unit Plan (the "RSU Plan") that, upon vesting and settlement will convert into shares of the Issuer's common stock on a one-for-one basis.

F3 · price: Reflects 60,000 RSUs that were awarded on February 14, 2025 that were fully vested on February 14, 2026. These RSUs were settled and converted into common shares of the Issuer on April 23, 2026, in accordance with the Issuer's RSU Plan.

SEC source: 0001062993-26-003632 · form4.xml · nonDerivative · entry 1

Calveley Timothy · CIK 0002122510 · BUZZ HPC-CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,500

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 · price: Reflects restricted share units ("RSUs") issued pursuant to the Issuer's Restricted Share Unit Plan (the "RSU Plan") that, upon vesting and settlement will convert into shares of the Issuer's common stock on a one-for-one basis.

F2 · price: Reflects 62,500 RSUs that were awarded on November 5, 2024 that were fully vested on February 5, 2026. These RSUs were settled and converted into common shares of the Issuer on April 23, 2026 in accordance with the Issuer's RSU Plan.

SEC source: 0001062993-26-002125 · form4.xml · derivative · entry 2

MCGEE SUSAN B · CIK 0001251825 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 337,500

Underlying: Common Stock · 100,000 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 RSU represents the right to receive, at settlement, one share of common stock of the Issuer.

F2 · derivative.exercise_date: Each RSU represents the right to receive, at settlement, one share of common stock of the Issuer.

F2 · derivative.expiration_date: Each RSU represents the right to receive, at settlement, one share of common stock of the Issuer.

F3 · balance_after: The RSUs reported under Column 9 include four additional RSU awards that were previously reported. The underlying shares and vesting schedules are as follows: (i) 37,5000 vest in three equal installments on May 5, 2026, August 5, 2026 and November 5, 2026; (ii) 100,000 will vest on July 8, 2026; (iii) 100,000 will vest on October 31, 2026 and (iv) 100,000 will vest on March 16, 2027.

SEC source: 0001062993-26-002125 · form4.xml · nonDerivative · entry 1

MCGEE SUSAN B · CIK 0001251825 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 212,500

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 · shares: Reflects restricted stock units ("RSUs") that upon vesting and settlement converted into shares of Issuer common stock on a one-for-one basis.

F1 · price: Reflects restricted stock units ("RSUs") that upon vesting and settlement converted into shares of Issuer common stock on a one-for-one basis.