NTCT

SEC source: 0000899243-22-029978 · doc4.xml · derivative · entry 1

HADZIMA JOSEPH G JR · CIK 0001232881 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,000

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 during the period from the date of grant through the date of such Annual Meeting, 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. In the event that the attendance requirements are not met, the Restricted Stock Units will not become vested until 08/25/2025.

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

SEC source: 0000899243-22-029981 · doc4.xml · derivative · entry 1

SPRADLEY SUSAN LOUISE · CIK 0001235896 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,000

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 during the period from the date of grant through the date of such Annual Meeting, 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. In the event that the attendance requirements are not met, the Restricted Stock Units will not become vested until 08/25/2025.

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

SEC source: 0000899243-22-029980 · doc4.xml · derivative · entry 1

Perretta Christopher · CIK 0001570744 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,000

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 during the period from the date of grant through the date of such Annual Meeting, 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. In the event that the attendance requirements are not met, the Restricted Stock Units will not become vested until 08/25/2025.

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

SEC source: 0000899243-22-028372 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 311,992

F1 · kind: The shares of Common Stock were withheld to satisfy the reporting person's tax withholding obligation upon the delivery of shares pursuant to Restricted Stock Units which vested on August 1, 2022 and which shares of Common Stock were delivered to the reporting person on August 9, 2022.

F2 · price: Represents the closing price of the Company's Common Stock on August 8, 2022.

SEC source: 0000899243-22-028371 · doc4.xml · nonDerivative · entry 1

BUA JEAN A · CIK 0001183333 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 77,481

F1 · kind: The shares of Common Stock were withheld to satisfy the reporting person's tax withholding obligation upon the delivery of shares pursuant to Restricted Stock Units which vested on August 1, 2022 and which shares of Common Stock were delivered to the reporting person on August 9, 2022.

F2 · price: Represents the closing price of the Company's Common Stock on August 8, 2022.

SEC source: 0000899243-22-028369 · doc4.xml · nonDerivative · entry 2

SZABADOS MICHAEL · CIK 0001232884 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,310

F3 · kind: The shares of Common Stock were sold pursuant to a 10b5-1 plan.

F4 · 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 $33.63 to $34.15. 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 (4) to this Form 4.

F3 · acquired: The shares of Common Stock were sold pursuant to a 10b5-1 plan.

SEC source: 0000899243-22-028369 · doc4.xml · nonDerivative · entry 1

SZABADOS MICHAEL · CIK 0001232884 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,810

F1 · kind: The shares of Common Stock were withheld to satisfy the reporting person's tax withholding obligation upon the delivery of shares pursuant to Restricted Stock Units which vested on August 1, 2022 and which shares of Common Stock were delivered to the reporting person on August 9, 2022.

F2 · price: Represents the closing price of the Company's Common Stock on August 8, 2022.

SEC source: 0000899243-22-028367 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 116,086

F3 · kind: The shares of Common Stock were sold pursuant to a 10b5-1 plan.

F3 · acquired: The shares of Common Stock were sold pursuant to a 10b5-1 plan.

SEC source: 0000899243-22-028367 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 119,086

F1 · kind: The shares of Common Stock were withheld to satisfy the reporting person's tax withholding obligation upon the delivery of shares pursuant to Restricted Stock Units which vested on August 1, 2022 and which shares of Common Stock were delivered to the reporting person on August 9, 2022.

F2 · price: Represents the closing price of the Company's Common Stock on August 8, 2022.

SEC source: 0000899243-22-027626 · doc4.xml · derivative · entry 2

BUA JEAN A · CIK 0001183333 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,750

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.

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

SEC source: 0000899243-22-027626 · doc4.xml · nonDerivative · entry 1

BUA JEAN A · CIK 0001183333 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 83,428

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: 0000899243-22-027615 · doc4.xml · derivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,750

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.

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

SEC source: 0000899243-22-027615 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 125,060

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: 0000899243-22-027614 · doc4.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,500

Underlying: Common Stock · 30,000 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.

F4 · derivative.expiration_date: Date is N/A.

SEC source: 0000899243-22-027614 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 325,328

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: 0000899243-22-027612 · doc4.xml · derivative · entry 2

SZABADOS MICHAEL · CIK 0001232884 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,875

Underlying: Common Stock · 17,500 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.

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

SEC source: 0000899243-22-027612 · doc4.xml · nonDerivative · entry 1

SZABADOS MICHAEL · CIK 0001232884 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,406

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: 0000899243-22-021358 · doc4.xml · derivative · entry 6

SZABADOS MICHAEL · CIK 0001232884 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,375

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.

F6 · derivative.expiration_date: Date is N/A.

SEC source: 0000899243-22-021358 · doc4.xml · nonDerivative · entry 4

SZABADOS MICHAEL · CIK 0001232884 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,906

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 June 3, 2022.

SEC source: 0000899243-22-021358 · doc4.xml · nonDerivative · entry 3

SZABADOS MICHAEL · CIK 0001232884 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,226

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: 0000899243-22-021374 · doc4.xml · derivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,750

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.

F6 · derivative.expiration_date: Date is N/A.

SEC source: 0000899243-22-021374 · doc4.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 110,060

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 June 3, 2022.

SEC source: 0000899243-22-021374 · doc4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 112,048

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: 0000899243-22-021356 · doc4.xml · derivative · entry 6

BUA JEAN A · CIK 0001183333 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,750

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.

F6 · derivative.expiration_date: Date is N/A.

SEC source: 0000899243-22-021356 · doc4.xml · nonDerivative · entry 4

BUA JEAN A · CIK 0001183333 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 68,428

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 June 3, 2022.

SEC source: 0000899243-22-021356 · doc4.xml · nonDerivative · entry 3

BUA JEAN A · CIK 0001183333 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,416

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: 0000899243-22-021357 · doc4.xml · derivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 115,500

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.

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

SEC source: 0000899243-22-021357 · doc4.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 295,328

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 June 3, 2022.

SEC source: 0000899243-22-021357 · doc4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 299,369

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.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.were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.

SEC source: 0000899243-22-021358 · doc4.xml · derivative · entry 5

SZABADOS MICHAEL · CIK 0001232884 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,250

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.

F6 · derivative.expiration_date: Date is N/A.

SEC source: 0000899243-22-021358 · doc4.xml · nonDerivative · entry 2

SZABADOS MICHAEL · CIK 0001232884 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,351

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 June 2, 2022.

SEC source: 0000899243-22-021358 · doc4.xml · nonDerivative · entry 1

SZABADOS MICHAEL · CIK 0001232884 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,924

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: 0000899243-22-021374 · doc4.xml · derivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,500

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.

F6 · derivative.expiration_date: Date is N/A.

SEC source: 0000899243-22-021374 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 105,298

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 June 2, 2022.

SEC source: 0000899243-22-021374 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 107,505

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: 0000899243-22-021356 · doc4.xml · derivative · entry 5

BUA JEAN A · CIK 0001183333 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,500

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.

F5 · derivative.expiration_date: Represents the closing price of the Company's Common Stock on June 3, 2022.

SEC source: 0000899243-22-021356 · doc4.xml · nonDerivative · entry 2

BUA JEAN A · CIK 0001183333 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,666

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 June 2, 2022.

SEC source: 0000899243-22-021356 · doc4.xml · nonDerivative · entry 1

BUA JEAN A · CIK 0001183333 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,866

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: 0000899243-22-021357 · doc4.xml · derivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,000

Underlying: Common Stock · 15,000 shares

Expires not disclosed

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

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: 0000899243-22-021357 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 285,869

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 June 2, 2022.

SEC source: 0000899243-22-021357 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 290,287

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.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.were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.

SEC source: 0000899243-22-018391 · doc4.xml · nonDerivative · entry 1

EGAN JOHN R · CIK 0001189174 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 77,740

F1 · 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 $34.00 to $34.48. 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: 0000899243-22-018132 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,005

F1 · kind: The shares of Common Stock were sold pursuant to a 10b5-1 plan.

F1 · acquired: The shares of Common Stock were sold pursuant to a 10b5-1 plan.

SEC source: 0000899243-22-017759 · doc4.xml · nonDerivative · entry 1

SZABADOS MICHAEL · CIK 0001232884 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,174

F1 · kind: The shares of Common Stock were sold pursuant to a 10b5-1 plan.

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 $32.15 to $32.49. 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.

F1 · acquired: The shares of Common Stock were sold pursuant to a 10b5-1 plan.

SEC source: 0000899243-22-006646 · doc4.xml · nonDerivative · entry 1

BUA JEAN A · CIK 0001183333 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,366

F1 · kind: The shares of Common Stock were sold pursuant to a 10b5-1 plan.

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 $31.646 to $31.9857. 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.

F1 · acquired: The shares of Common Stock were sold pursuant to a 10b5-1 plan.

SEC source: 0000899243-22-006648 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 103,005

F1 · kind: The shares of Common Stock were sold pursuant to a 10b5-1 plan.

F1 · acquired: The shares of Common Stock were sold pursuant to a 10b5-1 plan.

SEC source: 0000899243-22-004179 · doc4.xml · nonDerivative · entry 1

SZABADOS MICHAEL · CIK 0001232884 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,674

F1 · kind: The shares of Common Stock were sold pursuant to a 10b5-1 plan.

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 $30.60 to $31.33. 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.

F1 · acquired: The shares of Common Stock were sold pursuant to a 10b5-1 plan.

SEC source: 0000899243-21-048131 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,862,583

F1 · kind: The transfer was made without receipt of consideration by a trust of which the reporting person is deemed to be a beneficial owner to a charitable foundation of which the reporting person is not deemed to be a beneficial owner.

F1 · price: The transfer was made without receipt of consideration by a trust of which the reporting person is deemed to be a beneficial owner to a charitable foundation of which the reporting person is not deemed to be a beneficial owner.

F1 · acquired: The transfer was made without receipt of consideration by a trust of which the reporting person is deemed to be a beneficial owner to a charitable foundation of which the reporting person is not deemed to be a beneficial owner.

F2 · ownership.nature: The shares of Common Stock are beneficially owned by various trusts for the benefit of the reporting person and his spouse.

SEC source: 0000899243-21-046965 · doc4.xml · nonDerivative · entry 1

SINGHAL ANIL K · CIK 0001040585 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,942,583

F1 · kind: A trust whose holdings are included in the reporting person's indirect holdings under Section 16 ("Trust A") transferred assets and cash held by Trust A in exchange for 66,134 shares of Common Stock of NetScout Systems, Inc. previously held in a trust for the benefit of certain of the reporting person's family members in which trust the reporting person has no pecuniary interest ("Trust B"). The exchange of NetScout Common Stock from Trust B to Trust A was calculated based on a mean per share price of $29.70 on December 1, 2021.

F1 · price: A trust whose holdings are included in the reporting person's indirect holdings under Section 16 ("Trust A") transferred assets and cash held by Trust A in exchange for 66,134 shares of Common Stock of NetScout Systems, Inc. previously held in a trust for the benefit of certain of the reporting person's family members in which trust the reporting person has no pecuniary interest ("Trust B"). The exchange of NetScout Common Stock from Trust B to Trust A was calculated based on a mean per share price of $29.70 on December 1, 2021.

F1 · acquired: A trust whose holdings are included in the reporting person's indirect holdings under Section 16 ("Trust A") transferred assets and cash held by Trust A in exchange for 66,134 shares of Common Stock of NetScout Systems, Inc. previously held in a trust for the benefit of certain of the reporting person's family members in which trust the reporting person has no pecuniary interest ("Trust B"). The exchange of NetScout Common Stock from Trust B to Trust A was calculated based on a mean per share price of $29.70 on December 1, 2021.

F2 · ownership.nature: The shares of Common Stock are beneficially owned by various trusts for the benefit of the reporting person and his spouse.

SEC source: 0000899243-21-043910 · doc4.xml · nonDerivative · entry 1

SZABADOS MICHAEL · CIK 0001232884 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,174

F1 · kind: The shares of Common Stock were sold pursuant to a 10b5-1 plan.

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 $32.46 to $33.46. 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.

F1 · acquired: The shares of Common Stock were sold pursuant to a 10b5-1 plan.