NTCT

SEC source: 0000950170-24-069574 · ownership.xml · nonDerivative · entry 6

SZABADOS MICHAEL · CIK 0001232884 · Director · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,194

F3 · kind: The shares of Common Stock were withheld to satisfy the reporting person's tax withholding obligation upon the vesting of restricted stock units.

F8 · price: Represents the closing price of the Company's Common Stock on June 3, 2024.

F3 · acquired: The shares of Common Stock were withheld to satisfy the reporting person's tax withholding obligation upon the vesting of restricted stock units.

SEC source: 0000950170-24-069574 · ownership.xml · nonDerivative · entry 5

SZABADOS MICHAEL · CIK 0001232884 · Director · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,514

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 · kind: The shares of Common Stock were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.

F2 · price: The price is N/A.

F1 · acquired: The shares of Common Stock were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.

SEC source: 0000950170-24-069566 · ownership.xml · derivative · entry 9

DOWNING JOHN · CIK 0001232878 · EVP, World-Wide Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,600

Underlying: Common Stock · 6,750 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: The price is N/A.

F2 · price: The price is N/A.

F9 · derivative.expiration_date: Date is N/A.

SEC source: 0000950170-24-069566 · ownership.xml · nonDerivative · entry 6

DOWNING JOHN · CIK 0001232878 · EVP, World-Wide Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 124,917

F3 · kind: The shares of Common Stock were withheld to satisfy the reporting person's tax withholding obligation upon the vesting of restricted stock units.

F8 · price: Represents the closing price of the Company's Common Stock on June 3, 2024.

F3 · acquired: The shares of Common Stock were withheld to satisfy the reporting person's tax withholding obligation upon the vesting of restricted stock units.

SEC source: 0000950170-24-069566 · ownership.xml · nonDerivative · entry 5

DOWNING JOHN · CIK 0001232878 · EVP, World-Wide Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 126,905

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 · kind: The shares of Common Stock were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.

F2 · price: The price is N/A.

F1 · acquired: The shares of Common Stock were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.

SEC source: 0000950170-24-069585 · ownership.xml · derivative · entry 8

BUA JEAN A · CIK 0001183333 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,350

Underlying: Common Stock · 7,500 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: The price is N/A.

F2 · price: The price is N/A.

F7 · derivative.expiration_date: Date is N/A.

SEC source: 0000950170-24-069585 · ownership.xml · nonDerivative · entry 4

BUA JEAN A · CIK 0001183333 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 82,121

F3 · kind: The shares of Common Stock were withheld to satisfy the reporting person's tax withholding obligation upon the vesting of restricted stock units.

F5 · price: Represents the closing price of the Company's Common Stock on May 31, 2024.

F3 · acquired: The shares of Common Stock were withheld to satisfy the reporting person's tax withholding obligation upon the vesting of restricted stock units.

SEC source: 0000950170-24-069585 · ownership.xml · nonDerivative · entry 3

BUA JEAN A · CIK 0001183333 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,317

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 · kind: The shares of Common Stock were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.

F2 · price: The price is N/A.

F1 · acquired: The shares of Common Stock were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.

SEC source: 0000950170-24-069579 · ownership.xml · derivative · entry 9

SINGHAL ANIL K · CIK 0001040585 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 110,700

Underlying: Common Stock · 15,000 shares

Expires not disclosed

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

F2 · derivative.exercise_price: The price is N/A.

F2 · price: The price is N/A.

F8 · derivative.expiration_date: Date is N/A.

SEC source: 0000950170-24-069579 · ownership.xml · nonDerivative · entry 4

SINGHAL ANIL K · CIK 0001040585 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 358,511

F3 · kind: The shares of Common Stock were withheld to satisfy the reporting person's tax withholding obligation upon the vesting of restricted stock units.

F5 · price: Represents the closing price of the Company's Common Stock on May 31, 2024.

F3 · acquired: The shares of Common Stock were withheld to satisfy the reporting person's tax withholding obligation upon the vesting of restricted stock units.

SEC source: 0000950170-24-069579 · ownership.xml · nonDerivative · entry 3

SINGHAL ANIL K · CIK 0001040585 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 362,929

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 · kind: The shares of Common Stock were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.

F2 · price: The price is N/A.

F1 · acquired: The shares of Common Stock were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.

SEC source: 0000950170-24-069574 · ownership.xml · derivative · entry 8

SZABADOS MICHAEL · CIK 0001232884 · Director · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,575

Underlying: Common Stock · 8,750 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: The price is N/A.

F2 · price: The price is N/A.

F9 · derivative.expiration_date: Date is N/A.

SEC source: 0000950170-24-069574 · ownership.xml · nonDerivative · entry 4

SZABADOS MICHAEL · CIK 0001232884 · Director · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,639

F3 · kind: The shares of Common Stock were withheld to satisfy the reporting person's tax withholding obligation upon the vesting of restricted stock units.

F7 · price: Represents the closing price of the Company's Common Stock on May 31, 2024.

F3 · acquired: The shares of Common Stock were withheld to satisfy the reporting person's tax withholding obligation upon the vesting of restricted stock units.

SEC source: 0000950170-24-069574 · ownership.xml · nonDerivative · entry 3

SZABADOS MICHAEL · CIK 0001232884 · Director · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,208

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 · kind: The shares of Common Stock were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.

F2 · price: The price is N/A.

F1 · acquired: The shares of Common Stock were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.

F6 · balance_after: The number of shares reflects intervening sales of Common Stock as reported in the Forms 4 filed on December 11, 2023, January 31, 2024, and May 16, 2024.

SEC source: 0000950170-24-069566 · ownership.xml · derivative · entry 8

DOWNING JOHN · CIK 0001232878 · EVP, World-Wide Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,350

Underlying: Common Stock · 7,500 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: The price is N/A.

F2 · price: The price is N/A.

F9 · derivative.expiration_date: Date is N/A.

SEC source: 0000950170-24-069566 · ownership.xml · nonDerivative · entry 4

DOWNING JOHN · CIK 0001232878 · EVP, World-Wide Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 120,155

F3 · kind: The shares of Common Stock were withheld to satisfy the reporting person's tax withholding obligation upon the vesting of restricted stock units.

F7 · price: Represents the closing price of the Company's Common Stock on May 31, 2024.

F3 · acquired: The shares of Common Stock were withheld to satisfy the reporting person's tax withholding obligation upon the vesting of restricted stock units.

SEC source: 0000950170-24-069566 · ownership.xml · nonDerivative · entry 3

DOWNING JOHN · CIK 0001232878 · EVP, World-Wide Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 122,364

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 · kind: The shares of Common Stock were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.

F2 · price: The price is N/A.

F1 · acquired: The shares of Common Stock were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.

F6 · balance_after: The number of shares reflects intervening sales of Common Stock as reported in the Forms 4 filed on November 14, 2023 and February 20, 2024.

SEC source: 0000950170-24-061162 · ownership.xml · nonDerivative · entry 1

SZABADOS MICHAEL · CIK 0001232884 · Director · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,084

F1 · kind: The shares of Common Stock were sold pursuant to a 10b5-1 plan adopted by the Reporting Person on September 7, 2023.

F2 · price: The shares sold on this date were sold in multiple transactions. This price is the weighted average sales price per share; the actual sales price per share ranged from $20.28 to $20.6481. The reporting person undertakes to provide to NetScout Systems, Inc., any security holder of NetScout Systems, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (2) to this Form 4.

SEC source: 0000950170-24-017242 · ownership.xml · nonDerivative · entry 1

DOWNING JOHN · CIK 0001232878 · EVP, World-Wide Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 111,115

F1 · kind: The shares of Common Stock were sold pursuant to a 10b5-1 plan adopted by the Reporting Person prior to February 27, 2023.

SEC source: 0000950170-24-009396 · ownership.xml · nonDerivative · entry 1

SZABADOS MICHAEL · CIK 0001232884 · Director · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 26,084

F1 · kind: The shares of Common Stock were sold pursuant to a 10b5-1 plan adopted by the Reporting Person on September 7, 2023.

F2 · price: The shares sold on this date were sold in multiple transactions. This price is the weighted average sales price per share; the actual sales price per share ranged from $21.97 to $22.26. The reporting person undertakes to provide to NetScout Systems, Inc., any security holder of NetScout Systems, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (2) to this Form 4.

SEC source: 0000950170-24-007862 · ownership.xml · derivative · entry 2

Nash Shannon · CIK 0001888032 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,000

Underlying: Common Stock · 4,085 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: Price is N/A.

F2 · price: Price is N/A.

F3 · derivative.expiration_date: Date is N/A.

SEC source: 0000950170-24-007862 · ownership.xml · nonDerivative · entry 1

Nash Shannon · CIK 0001888032 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,085

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 · kind: The shares of Common Stock were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.

F2 · price: Price is N/A.

F1 · acquired: The shares of Common Stock were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.

SEC source: 0000950170-24-007853 · ownership.xml · derivative · entry 2

Pelage Marlene · CIK 0001962874 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,000

Underlying: Common Stock · 4,085 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: Price is N/A.

F2 · price: Price is N/A.

F3 · derivative.expiration_date: Date is N/A.

SEC source: 0000950170-24-007853 · ownership.xml · nonDerivative · entry 1

Pelage Marlene · CIK 0001962874 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,085

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 · kind: The shares of Common Stock were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.

F2 · price: Price is N/A.

F1 · acquired: The shares of Common Stock were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.

SEC source: 0000950170-23-069421 · ownership.xml · nonDerivative · entry 1

SZABADOS MICHAEL · CIK 0001232884 · Director · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,084

F1 · kind: The shares of Common Stock were sold pursuant to a 10b5-1 plan adopted by the Reporting Person on September 7, 2023.

F2 · price: The shares sold on this date were sold in multiple transactions. This price is the weighted average sales price per share; the actual sales price per share ranged from $20.97 to $21.13. The reporting person undertakes to provide to NetScout Systems, Inc., any security holder of NetScout Systems, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (2) to this Form 4.

SEC source: 0000950170-23-063764 · ownership.xml · nonDerivative · entry 1

DOWNING JOHN · CIK 0001232878 · EVP, World-Wide Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 114,115

F1 · kind: The shares of Common Stock were sold pursuant to a 10b5-1 plan adopted by the Reporting Person prior to February 27, 2023.

SEC source: 0000950170-24-069585 · ownership.xml · derivative · entry 7

BUA JEAN A · CIK 0001183333 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,850

Underlying: Common Stock · 6,750 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: The price is N/A.

F2 · price: The price is N/A.

F7 · derivative.expiration_date: Date is N/A.

SEC source: 0000950170-24-069585 · ownership.xml · nonDerivative · entry 2

BUA JEAN A · CIK 0001183333 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,817

F3 · kind: The shares of Common Stock were withheld to satisfy the reporting person's tax withholding obligation upon the vesting of restricted stock units.

F4 · price: Represents the closing price of the Company's Common Stock on October 25, 2023.

F3 · acquired: The shares of Common Stock were withheld to satisfy the reporting person's tax withholding obligation upon the vesting of restricted stock units.

SEC source: 0000950170-24-069585 · ownership.xml · nonDerivative · entry 1

BUA JEAN A · CIK 0001183333 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 79,818

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 · kind: The shares of Common Stock were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.

F2 · price: The price is N/A.

F1 · acquired: The shares of Common Stock were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.

SEC source: 0000950170-24-069579 · ownership.xml · derivative · entry 8

SINGHAL ANIL K · CIK 0001040585 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 125,700

Underlying: Common Stock · 13,500 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: The price is N/A.

F2 · price: The price is N/A.

F8 · derivative.expiration_date: Date is N/A.

SEC source: 0000950170-24-069579 · ownership.xml · nonDerivative · entry 2

SINGHAL ANIL K · CIK 0001040585 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 347,929

F3 · kind: The shares of Common Stock were withheld to satisfy the reporting person's tax withholding obligation upon the vesting of restricted stock units.

F4 · price: Represents the closing price of the Company's Common Stock on October 25, 2023.

F3 · acquired: The shares of Common Stock were withheld to satisfy the reporting person's tax withholding obligation upon the vesting of restricted stock units.

SEC source: 0000950170-24-069579 · ownership.xml · nonDerivative · entry 1

SINGHAL ANIL K · CIK 0001040585 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 353,930

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 · kind: The shares of Common Stock were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.

F2 · price: The price is N/A.

F1 · acquired: The shares of Common Stock were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.

SEC source: 0000950170-24-069574 · ownership.xml · derivative · entry 7

SZABADOS MICHAEL · CIK 0001232884 · Director · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,325

Underlying: Common Stock · 7,875 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: The price is N/A.

F2 · price: The price is N/A.

F9 · derivative.expiration_date: Date is N/A.

SEC source: 0000950170-24-069574 · ownership.xml · nonDerivative · entry 2

SZABADOS MICHAEL · CIK 0001232884 · Director · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,458

F3 · kind: The shares of Common Stock were withheld to satisfy the reporting person's tax withholding obligation upon the vesting of restricted stock units.

F4 · price: Represents the closing price of the Company's Common Stock on October 25, 2023.

F3 · acquired: The shares of Common Stock were withheld to satisfy the reporting person's tax withholding obligation upon the vesting of restricted stock units.

F5 · balance_after: Reflects the number of shares held directly at the time and after giving effect to the October 26, 2023 transaction.

SEC source: 0000950170-24-069574 · ownership.xml · nonDerivative · entry 1

SZABADOS MICHAEL · CIK 0001232884 · Director · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,959

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 · kind: The shares of Common Stock were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.

F2 · price: The price is N/A.

F1 · acquired: The shares of Common Stock were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.

F5 · balance_after: Reflects the number of shares held directly at the time and after giving effect to the October 26, 2023 transaction.

SEC source: 0000950170-24-069566 · ownership.xml · derivative · entry 7

DOWNING JOHN · CIK 0001232878 · EVP, World-Wide Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,850

Underlying: Common Stock · 6,750 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: The price is N/A.

F2 · price: The price is N/A.

F9 · derivative.expiration_date: Date is N/A.

SEC source: 0000950170-24-069566 · ownership.xml · nonDerivative · entry 2

DOWNING JOHN · CIK 0001232878 · EVP, World-Wide Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 120,864

F3 · kind: The shares of Common Stock were withheld to satisfy the reporting person's tax withholding obligation upon the vesting of restricted stock units.

F4 · price: Represents the closing price of the Company's Common Stock on October 25, 2023.

F3 · acquired: The shares of Common Stock were withheld to satisfy the reporting person's tax withholding obligation upon the vesting of restricted stock units.

F5 · balance_after: Reflects the number of shares held directly at the time and after giving effect to the October 26, 2023 transaction.

SEC source: 0000950170-24-069566 · ownership.xml · nonDerivative · entry 1

DOWNING JOHN · CIK 0001232878 · EVP, World-Wide Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 123,865

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 · kind: The shares of Common Stock were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.

F2 · price: The price is N/A.

F1 · acquired: The shares of Common Stock were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.

F5 · balance_after: Reflects the number of shares held directly at the time and after giving effect to the October 26, 2023 transaction.

SEC source: 0000899243-23-019245 · doc4.xml · derivative · entry 1

EGAN JOHN R · CIK 0001189174 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,000

Underlying: Common Stock · 7,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Price is N/A.

F1 · price: Price is N/A.

F3 · derivative.exercise_date: All of the Restricted Stock Units vest on the first anniversary of the date of grant, provided that the reporting person attends at least 75% of the meetings, collectively, of the Board and any committee of the Board of which the reporting person is a member which are held during the corporation's 2024 fiscal year; provided that, in the event that the attendance requirements are not met, the Restricted Stock Units will not become vested until 09/14/2026; subject, in each case, to the reporting person's continuous service with the corporation through the applicable vesting date.

F2 · derivative.expiration_date: Date is N/A.

SEC source: 0000899243-23-019244 · doc4.xml · derivative · entry 1

DONAHUE ROBERT E · CIK 0001276013 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,000

Underlying: Common Stock · 7,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Price is N/A.

F1 · price: Price is N/A.

F3 · derivative.exercise_date: All of the Restricted Stock Units vest on the first anniversary of the date of grant, provided that the reporting person attends at least 75% of the meetings, collectively, of the Board and any committee of the Board of which the reporting person is a member which are held during the corporation's 2024 fiscal year; provided that, in the event that the attendance requirements are not met, the Restricted Stock Units will not become vested until 09/14/2026; subject, in each case, to the reporting person's continuous service with the corporation through the applicable vesting date.

F2 · derivative.expiration_date: Date is N/A.

SEC source: 0000899243-23-019243 · doc4.xml · derivative · entry 1

Nash Shannon · CIK 0001888032 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,085

Underlying: Common Stock · 7,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Price is N/A.

F1 · price: Price is N/A.

F3 · derivative.exercise_date: All of the Restricted Stock Units vest on the first anniversary of the date of grant, provided that the reporting person attends at least 75% of the meetings, collectively, of the Board and any committee of the Board of which the reporting person is a member which are held during the corporation's 2024 fiscal year; provided that, in the event that the attendance requirements are not met, the Restricted Stock Units will not become vested until 09/14/2026; subject, in each case, to the reporting person's continuous service with the corporation through the applicable vesting date.

F2 · derivative.expiration_date: Date is N/A.

SEC source: 0000899243-23-019241 · doc4.xml · derivative · entry 1

Grasso Alfred · CIK 0001738443 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,000

Underlying: Common Stock · 7,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Price is N/A.

F1 · price: Price is N/A.

F3 · derivative.exercise_date: All of the Restricted Stock Units vest on the first anniversary of the date of grant, provided that the reporting person attends at least 75% of the meetings, collectively, of the Board and any committee of the Board of which the reporting person is a member which are held during the corporation's 2024 fiscal year; provided that, in the event that the attendance requirements are not met, the Restricted Stock Units will not become vested until 09/14/2026; subject, in each case, to the reporting person's continuous service with the corporation through the applicable vesting date.

F2 · derivative.expiration_date: Date is N/A.

SEC source: 0000899243-23-019240 · doc4.xml · derivative · entry 1

VITALE VIVIAN M · CIK 0001206593 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,000

Underlying: Common Stock · 7,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Price is N/A.

F1 · price: Price is N/A.

F3 · derivative.exercise_date: All of the Restricted Stock Units vest on the first anniversary of the date of grant, provided that the reporting person attends at least 75% of the meetings, collectively, of the Board and any committee of the Board of which the reporting person is a member which are held during the corporation's 2024 fiscal year; provided that, in the event that the attendance requirements are not met, the Restricted Stock Units will not become vested until 09/14/2026; subject, in each case, to the reporting person's continuous service with the corporation through the applicable vesting date.

F2 · derivative.expiration_date: Date is N/A.

SEC source: 0000899243-23-019242 · doc4.xml · derivative · entry 1

Pelage Marlene · CIK 0001962874 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,085

Underlying: Common Stock · 7,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Price is N/A.

F1 · price: Price is N/A.

F3 · derivative.exercise_date: All of the Restricted Stock Units vest on the first anniversary of the date of grant, provided that the reporting person attends at least 75% of the meetings, collectively, of the Board and any committee of the Board of which the reporting person is a member which are held during the corporation's 2024 fiscal year; provided that, in the event that the attendance requirements are not met, the Restricted Stock Units will not become vested until 09/14/2026; subject, in each case, to the reporting person's continuous service with the corporation through the applicable vesting date.

F2 · derivative.expiration_date: Date is N/A.

SEC source: 0000899243-23-019239 · doc4.xml · derivative · entry 1

HADZIMA JOSEPH G JR · CIK 0001232881 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,000

Underlying: Common Stock · 7,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Price is N/A.

F1 · price: Price is N/A.

F3 · derivative.exercise_date: All of the Restricted Stock Units vest on the first anniversary of the date of grant, provided that the reporting person attends at least 75% of the meetings, collectively, of the Board and any committee of the Board of which the reporting person is a member which are held during the corporation's 2024 fiscal year; provided that, in the event that the attendance requirements are not met, the Restricted Stock Units will not become vested until 09/14/2026; subject, in each case, to the reporting person's continuous service with the corporation through the applicable vesting date.

F2 · derivative.expiration_date: Date is N/A.

SEC source: 0000899243-23-019238 · doc4.xml · derivative · entry 1

Perretta Christopher · CIK 0001570744 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,000

Underlying: Common Stock · 7,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Price is N/A.

F1 · price: Price is N/A.

F3 · derivative.exercise_date: All of the Restricted Stock Units vest on the first anniversary of the date of grant, provided that the reporting person attends at least 75% of the meetings, collectively, of the Board and any committee of the Board of which the reporting person is a member which are held during the corporation's 2024 fiscal year; provided that, in the event that the attendance requirements are not met, the Restricted Stock Units will not become vested until 09/14/2026; subject, in each case, to the reporting person's continuous service with the corporation through the applicable vesting date.

F2 · derivative.expiration_date: Date is N/A.

SEC source: 0000950170-23-048391 · ownership.xml · nonDerivative · entry 1

HADZIMA JOSEPH G JR · CIK 0001232881 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 131,298

F1 · kind: The shares of Common Stock were sold pursuant to a 10b5-1 plan adopted by the Reporting Person on June 15, 2023

F2 · price: The shares sold on this date were sold in multiple transactions. This price is the weighted average sales price per share; the actual sales price per share ranged from $27.72 to $27.9703. The reporting person undertakes to provide to NetScout Systems, Inc., any security holder of NetScout Systems, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (2) to this Form 4.

SEC source: 0000899243-23-018591 · doc4.xml · derivative · entry 2

DONAHUE ROBERT E · CIK 0001276013 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 7,000 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: Price is N/A.

F2 · price: Price is N/A.

F3 · derivative.expiration_date: Date is N/A.

SEC source: 0000899243-23-018591 · doc4.xml · nonDerivative · entry 1

DONAHUE ROBERT E · CIK 0001276013 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,977

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 · kind: The shares of Common Stock were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.

F2 · price: Price is N/A.

F1 · acquired: The shares of Common Stock were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.

SEC source: 0000899243-23-018590 · doc4.xml · derivative · entry 2

SPRADLEY SUSAN LOUISE · CIK 0001235896 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 7,000 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: Price is N/A.

F2 · price: Price is N/A.

F3 · derivative.expiration_date: Date is N/A.