GRAYSON BRUNS H

SEC source: 0001708055-26-000062 · form4.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 840,270

F1 · kind: Represents shares issued in lieu of receipt of cash fees for service on the Registrant's Board of Directors and committees thereof.

F2 · price: Price determined in accordance with Registrant's Non-Employee Director Compensation Policy.

SEC source: 0001708055-26-000049 · form4.xml · derivative · entry 3

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 42,500 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 RSU represents a contingent right to receive one share of the Issuer's common stock.

F3 · derivative.exercise_date: The RSUs were awarded on June 16, 2025 and vested in full on June 16, 2026.

F3 · derivative.expiration_date: The RSUs were awarded on June 16, 2025 and vested in full on June 16, 2026.

SEC source: 0001708055-26-000049 · form4.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 825,847

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: Each RSU represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001708055-26-000049 · form4.xml · derivative · entry 2

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,197

Underlying: Common Stock · 63,197 shares

Expires not disclosed

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

F2 · derivative.exercise_date: The RSUs will vest on June 15, 2027, subject to the Reporting Person's continued service with the Issuer through such date; provided, however, that if the Issuer's 2027 Annual Meeting of Stockholders (the "2027 Annual Meeting") occurs prior to June 15, 2027, and, at such 2027 Annual Meeting, the Reporting Person either chooses not to stand for re-election to the Issuer's Board of Directors or, after standing for re-election, is not re-elected, then these RSUs will vest as of the date of the 2027 Annual Meeting.

F2 · derivative.expiration_date: The RSUs will vest on June 15, 2027, subject to the Reporting Person's continued service with the Issuer through such date; provided, however, that if the Issuer's 2027 Annual Meeting of Stockholders (the "2027 Annual Meeting") occurs prior to June 15, 2027, and, at such 2027 Annual Meeting, the Reporting Person either chooses not to stand for re-election to the Issuer's Board of Directors or, after standing for re-election, is not re-elected, then these RSUs will vest as of the date of the 2027 Annual Meeting.

SEC source: 0001708055-26-000023 · form4.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 783,347

F1 · kind: Represents shares issued in lieu of receipt of cash fees for service on the Registrant's Board of Directors and committees thereof.

F2 · price: Price determined in accordance with Registrant's Non-Employee Director Compensation Policy.

SEC source: 0001708055-26-000003 · form4.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 767,428

F1 · kind: Represents shares issued in lieu of receipt of cash fees for service on the Registrant's Board of Directors and committees thereof.

F2 · price: Price determined in accordance with Registrant's Non-Employee Director Compensation Policy.

SEC source: 0001708055-25-000025 · form4.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 755,710

F1 · kind: Represents shares issued in lieu of receipt of cash fees for service on the Registrant's Board of Directors and committees thereof.

F2 · price: Price determined in accordance with Registrant's Non-Employee Director Compensation Policy.

SEC source: 0001062993-25-012961 · form4.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 746,829

F1 · kind: Represents shares issued in lieu of receipt of cash fees for service on the Registrant's Board of Directors and committees thereof.

F2 · price: Price determined in accordance with Registrant's Non-Employee Director Compensation Policy.

SEC source: 0001062993-25-011900 · form4.xml · derivative · entry 3

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 48,365 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 RSU represents a contingent right to receive one share of the Issuer's common stock.

F3 · derivative.exercise_date: The RSUs were awarded on June 17, 2024 and vested in full on June 17, 2025.

F3 · derivative.expiration_date: The RSUs were awarded on June 17, 2024 and vested in full on June 17, 2025.

SEC source: 0001062993-25-011900 · form4.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 738,413

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: Each RSU represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001062993-25-011900 · form4.xml · derivative · entry 2

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,500

Underlying: Common Stock · 42,500 shares

Expires not disclosed

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

F2 · derivative.exercise_date: The RSUs will vest on June 16, 2026, subject to the Reporting Person's continued service with the Issuer through such date; provided, however, that if the Issuer's 2026 Annual Meeting of Stockholders (the "2026 Annual Meeting") occurs prior to June 16, 2026, and, at such 2026 Annual Meeting, the Reporting Person either chooses not to stand for re-election to the Issuer's Board of Directors or, after standing for re-election, is not re-elected, then these RSUs will vest as of the date of the 2026 Annual Meeting.

F2 · derivative.expiration_date: The RSUs will vest on June 16, 2026, subject to the Reporting Person's continued service with the Issuer through such date; provided, however, that if the Issuer's 2026 Annual Meeting of Stockholders (the "2026 Annual Meeting") occurs prior to June 16, 2026, and, at such 2026 Annual Meeting, the Reporting Person either chooses not to stand for re-election to the Issuer's Board of Directors or, after standing for re-election, is not re-elected, then these RSUs will vest as of the date of the 2026 Annual Meeting.

SEC source: 0001062993-25-007634 · form4.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 690,048

F1 · kind: Represents shares issued in lieu of receipt of cash fees for service on the Registrant's Board of Directors and committees thereof.

F2 · price: Price determined in accordance with Registrant's Non-Employee Director Compensation Policy.

SEC source: 0001062993-25-000838 · form4.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 681,439

F1 · kind: Represents shares issued in lieu of receipt of cash fees for service on the Registrant's Board of Directors and committees thereof.

F2 · price: Price determined in accordance with Registrant's Non-Employee Director Compensation Policy.

SEC source: 0001062993-24-017765 · form4.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 673,327

F1 · kind: Represents shares issued in lieu of receipt of cash fees for service on the Registrant's Board of Directors and committees thereof.

F2 · price: Price determined in accordance with Registrant's Non-Employee Director Compensation Policy.

SEC source: 0001062993-24-013940 · form4.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 662,943

F1 · kind: Represents shares issued in lieu of receipt of cash fees for service on the Registrant's Board of Directors and committees thereof.

F2 · price: Price determined in accordance with Registrant's Non-Employee Director Compensation Policy.

SEC source: 0001062993-24-012760 · form4.xml · derivative · entry 3

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,365

Underlying: Common Stock · 48,365 shares

Expires not disclosed

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

F3 · derivative.exercise_date: The RSUs will vest on June 17, 2025, subject to the Reporting Person's continued service with the Issuer through such date; provided, however, that if the Issuer's 2025 Annual Meeting of Stockholders (the "2025 Annual Meeting") occurs prior to June 17, 2025, and, at such 2025 Annual Meeting, the Reporting Person either chooses not to stand for re-election to the Issuer's Board of Directors or, after standing for re-election, is not re-elected, then these RSUs will vest as of the date of the 2025 Annual Meeting.

F3 · derivative.expiration_date: The RSUs will vest on June 17, 2025, subject to the Reporting Person's continued service with the Issuer through such date; provided, however, that if the Issuer's 2025 Annual Meeting of Stockholders (the "2025 Annual Meeting") occurs prior to June 17, 2025, and, at such 2025 Annual Meeting, the Reporting Person either chooses not to stand for re-election to the Issuer's Board of Directors or, after standing for re-election, is not re-elected, then these RSUs will vest as of the date of the 2025 Annual Meeting.

SEC source: 0001062993-24-012760 · form4.xml · derivative · entry 2

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 51,964 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 RSU represents a contingent right to receive one share of the Issuer's common stock.

F2 · derivative.exercise_date: The RSUs were awarded on June 15, 2023 and vested in full on June 15, 2024.

F2 · derivative.expiration_date: The RSUs were awarded on June 15, 2023 and vested in full on June 15, 2024.

SEC source: 0001062993-24-012760 · form4.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 652,685

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: Each RSU represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001062993-24-008451 · form4.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 600,721

F1 · kind: Represents shares issued in lieu of receipt of cash fees for service on the Registrant's Board of Directors and committees thereof.

F2 · price: Price determined in accordance with Registrant's Non-Employee Director Compensation Policy.

SEC source: 0001062993-24-006569 · form4.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 590,175

SEC source: 0001062993-24-000974 · form4.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 490,175

F1 · kind: Represents shares issued in lieu of receipt of cash fees for service on the Registrant's Board of Directors and committees thereof.

F2 · price: Price determined in accordance with Registrant's Non-Employee Director Compensation Policy.

SEC source: 0001062993-23-019473 · form4.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 478,538

F1 · kind: Represents shares issued in lieu of receipt of cash fees for service on the Registrant's Board of Directors and committees thereof.

F2 · price: Price determined in accordance with Registrant's Non-Employee Director Compensation Policy.

SEC source: 0001062993-23-014971 · form4.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 465,945

F1 · kind: Represents shares issued in lieu of receipt of cash fees for service on the Registrant's Board of Directors and committees thereof.

F2 · price: Price determined in accordance with Registrant's Non-Employee Director Compensation Policy.

SEC source: 0001062993-23-013714 · form4.xml · derivative · entry 3

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,964

Underlying: Common Stock · 51,964 shares

Expires not disclosed

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

F3 · derivative.exercise_date: The RSUs will vest on June 15, 2024, subject to the Reporting Person's continued service with the Issuer through such date; provided, however, that if the Issuer's 2024 Annual Meeting of Stockholders (the "2024 Annual Meeting") occurs prior to June 15, 2024, and, at such 2024 Annual Meeting, the Reporting Person either chooses not to stand for re-election to the Issuer's Board of Directors or, after standing for re-election, is not re-elected, then these RSUs will vest as of the date of the 2024 Annual Meeting.

F3 · derivative.expiration_date: The RSUs will vest on June 15, 2024, subject to the Reporting Person's continued service with the Issuer through such date; provided, however, that if the Issuer's 2024 Annual Meeting of Stockholders (the "2024 Annual Meeting") occurs prior to June 15, 2024, and, at such 2024 Annual Meeting, the Reporting Person either chooses not to stand for re-election to the Issuer's Board of Directors or, after standing for re-election, is not re-elected, then these RSUs will vest as of the date of the 2024 Annual Meeting.

SEC source: 0001062993-23-013714 · form4.xml · derivative · entry 2

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 38,585 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 RSU represents a contingent right to receive one share of the Issuer's common stock.

F2 · derivative.exercise_date: The RSUs were awarded on June 15, 2022 and vested in full on June 15, 2023.

F2 · derivative.expiration_date: The RSUs were awarded on June 15, 2022 and vested in full on June 15, 2023.

SEC source: 0001062993-23-013714 · form4.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 453,848

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: Each RSU represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001062993-23-009370 · form4.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 415,263

F1 · kind: Represents shares issued in lieu of receipt of cash fees for service on the Registrant's Board of Directors and committees thereof.

F2 · price: Price determined in accordance with Registrant's Non-Employee Director Compensation Policy.

SEC source: 0001062993-23-001124 · form4.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 405,394

F1 · kind: Represents shares issued in lieu of receipt of cash fees for service on the Registrant's Board of Directors and committees thereof.

F2 · price: Price determined in accordance with Registrant's Non-Employee Director Compensation Policy.

SEC source: 0001062993-22-020972 · form4.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 393,298

F1 · date: Represents shares issued in lieu of receipt of cash fees for service on the Registrant's Board of Directors and committees thereof.

F1 · kind: Represents shares issued in lieu of receipt of cash fees for service on the Registrant's Board of Directors and committees thereof.

F2 · price: Price determined in accordance with Registrant's Non-Employee Director Compensation Policy.

SEC source: 0001062993-22-016513 · form4.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 376,407

F1 · date: Represents shares issued in lieu of receipt of cash fees for service on the Board of Directors and committees thereof.

F1 · kind: Represents shares issued in lieu of receipt of cash fees for service on the Board of Directors and committees thereof.

F2 · price: Price determined in accordance with Registrant's Non-Employee Director Compensation Policy.

SEC source: 0001062993-22-015182 · form4.xml · derivative · entry 3

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,585

Underlying: Common Stock · 38,585 shares

Expires not disclosed

F1 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Ribbon Communications, Inc. common stock.

F3 · derivative.exercise_date: The RSUs will vest on June 15, 2023, subject to the Reporting Person's continued service with the Issuer through such date; provided, however, that if the Issuer's 2023 Annual Meeting of Stockholders (the "2023 Annual Meeting") occurs prior to June 15, 2023, and, at such 2023 Annual Meeting, the Reporting Person either chooses not to stand for re-election to the Issuer's Board of Directors or, after standing for re-election, is not re-elected, then these RSUs will vest as of the date of the 2023 Annual Meeting.

F3 · derivative.expiration_date: The RSUs will vest on June 15, 2023, subject to the Reporting Person's continued service with the Issuer through such date; provided, however, that if the Issuer's 2023 Annual Meeting of Stockholders (the "2023 Annual Meeting") occurs prior to June 15, 2023, and, at such 2023 Annual Meeting, the Reporting Person either chooses not to stand for re-election to the Issuer's Board of Directors or, after standing for re-election, is not re-elected, then these RSUs will vest as of the date of the 2023 Annual Meeting.

SEC source: 0001062993-22-015182 · form4.xml · derivative · entry 2

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 14,797 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 RSU represents a contingent right to receive one share of Ribbon Communications, Inc. common stock.

F2 · derivative.exercise_date: The RSU was awarded on June 15, 2021 and vested in full on June 15, 2022.

F2 · derivative.expiration_date: The RSU was awarded on June 15, 2021 and vested in full on June 15, 2022.

SEC source: 0001062993-22-015182 · form4.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 364,072

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: Each RSU represents a contingent right to receive one share of Ribbon Communications, Inc. common stock.

SEC source: 0001209191-22-033562 · doc4.xml · derivative · entry 2

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,448 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_date: On May 20, 2021 the reporting person was granted restricted stock units (RSUs). The RSUs vested on May 31, 2022.

F3 · derivative.expiration_date: Not applicable.

SEC source: 0001209191-22-033562 · doc4.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,448

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: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0001209191-22-031392 · doc4.xml · derivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,176

Underlying: Common Stock · 4,176 shares

Expires not disclosed

F1 · derivative.exercise_date: Represents a grant of restricted stock units under the Everbridge, Inc. 2016 Equity Incentive Plan. Each restricted stock unit represents the contingent right to receive, upon vesting of the unit, one share of Everbridge common stock. Subject to accelerated vesting in certain circumstances, the restricted stock units are scheduled to vest last day of the month after the date of the 2023 annual meeting of stockholders of Everbridge, as long as the reporting person remains in the service of Everbridge through the respective vesting date.

F2 · derivative.expiration_date: Not applicable.

SEC source: 0001062993-22-010526 · form4.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 349,275

F1 · date: Represents shares issued in lieu of receipt of cash fees for service on the Board of Directors and committees thereof.

F1 · kind: Represents shares issued in lieu of receipt of cash fees for service on the Board of Directors and committees thereof.

SEC source: 0001062993-22-007749 · form4.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 337,140

SEC source: 0001209191-21-069961 · doc4.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,000

SEC source: 0001062993-21-005879 · form4.xml · derivative · entry 2

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 27,089 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 RSU represents a contingent right to receive one share of Ribbon Communications, Inc. common stock.

F2 · derivative.exercise_date: The RSU was awarded on June 22, 2020 and vested in full on June 22, 2021.

F2 · derivative.expiration_date: The RSU was awarded on June 22, 2020 and vested in full on June 22, 2021.

SEC source: 0001062993-21-005879 · form4.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 237,140

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: Each RSU represents a contingent right to receive one share of Ribbon Communications, Inc. common stock.

SEC source: 0001062993-21-005767 · form4.xml · derivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,797

Underlying: Common Stock · 14,797 shares

Expires not disclosed

F1 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Ribbon Communications, Inc. common stock.

F2 · derivative.exercise_date: The RSU will vest on June 15, 2022 subject to the Reporting Person's continued service with the Issuer through such date; provided, however, that if Issuer's 2022 Annual Meeting of Stockholders (the "2022 Annual Meeting") occurs prior to June 15, 2022, and, at such 2022 Annual Meeting, the Reporting Person either chooses not to stand for re-election to the Issuer's Board of Directors or, after standing for re-election, is not re-elected then these RSUs will vest as of the date of the 2022 Annual Meeting.

F2 · derivative.expiration_date: The RSU will vest on June 15, 2022 subject to the Reporting Person's continued service with the Issuer through such date; provided, however, that if Issuer's 2022 Annual Meeting of Stockholders (the "2022 Annual Meeting") occurs prior to June 15, 2022, and, at such 2022 Annual Meeting, the Reporting Person either chooses not to stand for re-election to the Issuer's Board of Directors or, after standing for re-election, is not re-elected then these RSUs will vest as of the date of the 2022 Annual Meeting.

SEC source: 0001209191-21-039811 · doc4.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

SEC source: 0001209191-21-037231 · doc4a.xml · derivative · entry 2

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 723 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_date: On May 13, 2020, the reporting person was granted restricted stock units (RSUs). The RSUs vested on May 31, 2021.

F3 · derivative.expiration_date: Not applicable

SEC source: 0001209191-21-037231 · doc4a.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,723

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: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0001209191-21-037207 · doc4.xml · derivative · entry 2

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 723 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_date: On May 13, 2020, the reporting person was granted restricted stock units (RSUs). The RSUs vested on May 31, 2021.

F3 · derivative.expiration_date: Not applicable

SEC source: 0001209191-21-035419 · doc4.xml · derivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,448

Underlying: Common Stock · 1,448 shares

Expires not disclosed

F1 · derivative.exercise_date: Represents a grant of restricted stock units under the Everbridge, Inc. 2016 Equity Incentive Plan. Each restricted stock unit represents the contingent right to receive, upon vesting of the unit, one share of Everbridge common stock. Subject to accelerated vesting in certain circumstances, the restricted stock units are scheduled to vest last day of the month after the date of the 2022 annual meeting of stockholders of Everbridge, as long as the reporting person remains in the service of Everbridge through the respective vesting date.

F2 · derivative.expiration_date: Not applicable.

SEC source: 0001708055-20-000142 · edgar.xml · derivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,089

Underlying: Common Stock · 27,089 shares

Expires not disclosed

F1 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Ribbon Communications Inc. common stock.

F2 · derivative.exercise_date: The RSUs will vest on June 22, 2021, subject to the Reporting Person's continued service with the Issuer through such date; provided, however, that if the Issuer's 2021 Annual Meeting of Stockholders (the "2021 Annual Meeting") occurs prior to June 22, 2021, and, at such 2021 Annual Meeting, the Reporting Person either chooses not to stand for re-election to the Issuer's Board of Directors or, after standing for re-election, is not re-elected, then these RSUs will vest as of the date of the 2021 Annual Meeting.

F2 · derivative.expiration_date: The RSUs will vest on June 22, 2021, subject to the Reporting Person's continued service with the Issuer through such date; provided, however, that if the Issuer's 2021 Annual Meeting of Stockholders (the "2021 Annual Meeting") occurs prior to June 22, 2021, and, at such 2021 Annual Meeting, the Reporting Person either chooses not to stand for re-election to the Issuer's Board of Directors or, after standing for re-election, is not re-elected, then these RSUs will vest as of the date of the 2021 Annual Meeting.

SEC source: 0001708055-20-000112 · edgar.xml · derivative · entry 2

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 25,975 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: The RSUs convert into Ribbon Communications Inc. common stock on a one-for-one basis.

F2 · derivative.exercise_date: 25,975 RSUs were granted to the Reporting Person on June 17, 2019 and vested in full on June 17, 2020.

F2 · derivative.expiration_date: 25,975 RSUs were granted to the Reporting Person on June 17, 2019 and vested in full on June 17, 2020.

SEC source: 0001708055-20-000112 · edgar.xml · nonDerivative · entry 1

GRAYSON BRUNS H · CIK 0001204899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 210,051

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: The RSUs convert into Ribbon Communications Inc. common stock on a one-for-one basis.