TER

SEC source: 0001127602-17-020741 · form4.xml · nonDerivative · entry 3

BRADLEY MICHAEL A · CIK 0001198621 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 194,870

SEC source: 0001127602-17-020741 · form4.xml · nonDerivative · entry 2

BRADLEY MICHAEL A · CIK 0001198621 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 195,205

SEC source: 0001127602-17-020741 · form4.xml · nonDerivative · entry 1

BRADLEY MICHAEL A · CIK 0001198621 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 195,405

SEC source: 0001127602-17-019164 · form4.xml · nonDerivative · entry 1

JOHNSON MERCEDES · CIK 0001225110 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,773

SEC source: 0001127602-17-018373 · form4.xml · nonDerivative · entry 1

JAGIELA MARK E · CIK 0001252396 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 277,997

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2017.

F2 · price: The reported price is based on a weighted average of multiple same-day transactions with prices ranging from $35.22 to $35.68 per share. Full information regarding the number of shares sold at each separate price is available to the Securities and Exchange Commission staff, the Issuer or any security holder of the Issuer upon request.

SEC source: 0001127602-17-017773 · form4.xml · nonDerivative · entry 2

CHRISTMAN DANIEL W · CIK 0001199143 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,931

SEC source: 0001127602-17-017790 · form4.xml · derivative · entry 3

GUERTIN TIMOTHY E · CIK 0001217440 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,931

Underlying: Common Stock · 4,931 shares

Expires not disclosed

F3 · derivative.exercise_price: Each Restricted Stock Unit (RSU) represents the right to receive one share of Teradyne, Inc. common stock.

F4 · derivative.exercise_date: These RSU's were issued under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan, are time-based, and will vest in full on the earlier of May 9, 2018 or the date the 2018 Annual Meeting of Shareholders is held.

F4 · derivative.expiration_date: These RSU's were issued under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan, are time-based, and will vest in full on the earlier of May 9, 2018 or the date the 2018 Annual Meeting of Shareholders is held.

SEC source: 0001127602-17-017790 · form4.xml · derivative · entry 2

GUERTIN TIMOTHY E · CIK 0001217440 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,138

Underlying: Common Stock · 9,235 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: At the election of the reporting person, upon vesting of the RSU's, the shares were converted into Phantom Stock Units (PSU's) pursuant to the Teradyne, Inc. Deferral Plan for Non-Employee Directors (as restated on May 25, 2006). The PSU's are to be settled 1 for 1 in the Issuer's common stock generally within ninety (90) days of the date the non-employee director no longer serves as such.

F2 · price: At the election of the reporting person, upon vesting of the RSU's, the shares were converted into Phantom Stock Units (PSU's) pursuant to the Teradyne, Inc. Deferral Plan for Non-Employee Directors (as restated on May 25, 2006). The PSU's are to be settled 1 for 1 in the Issuer's common stock generally within ninety (90) days of the date the non-employee director no longer serves as such.

F2 · derivative.exercise_date: At the election of the reporting person, upon vesting of the RSU's, the shares were converted into Phantom Stock Units (PSU's) pursuant to the Teradyne, Inc. Deferral Plan for Non-Employee Directors (as restated on May 25, 2006). The PSU's are to be settled 1 for 1 in the Issuer's common stock generally within ninety (90) days of the date the non-employee director no longer serves as such.

F2 · derivative.expiration_date: At the election of the reporting person, upon vesting of the RSU's, the shares were converted into Phantom Stock Units (PSU's) pursuant to the Teradyne, Inc. Deferral Plan for Non-Employee Directors (as restated on May 25, 2006). The PSU's are to be settled 1 for 1 in the Issuer's common stock generally within ninety (90) days of the date the non-employee director no longer serves as such.

SEC source: 0001127602-17-017790 · form4.xml · derivative · entry 1

GUERTIN TIMOTHY E · CIK 0001217440 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,235 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: Indicates conversion upon vesting of 100% of the time-based Restricted Stock Units (RSU's) granted on May 10, 2016 under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan.

F2 · price: At the election of the reporting person, upon vesting of the RSU's, the shares were converted into Phantom Stock Units (PSU's) pursuant to the Teradyne, Inc. Deferral Plan for Non-Employee Directors (as restated on May 25, 2006). The PSU's are to be settled 1 for 1 in the Issuer's common stock generally within ninety (90) days of the date the non-employee director no longer serves as such.

F1 · derivative.exercise_date: Indicates conversion upon vesting of 100% of the time-based Restricted Stock Units (RSU's) granted on May 10, 2016 under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan.

F1 · derivative.expiration_date: Indicates conversion upon vesting of 100% of the time-based Restricted Stock Units (RSU's) granted on May 10, 2016 under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan.

SEC source: 0001127602-17-017786 · form4.xml · derivative · entry 3

TUFANO PAUL J · CIK 0001201520 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,931

Underlying: Common Stock · 4,931 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit (RSU) represents the right to receive one share of Teradyne, Inc. common stock.

F4 · derivative.exercise_date: These RSU's were issued under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan, are time-based, and will vest in full on the earlier of May 9, 2018 or the date the 2018 Annual Meeting of Shareholders is held.

F4 · derivative.expiration_date: These RSU's were issued under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan, are time-based, and will vest in full on the earlier of May 9, 2018 or the date the 2018 Annual Meeting of Shareholders is held.

SEC source: 0001127602-17-017786 · form4.xml · derivative · entry 2

TUFANO PAUL J · CIK 0001201520 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,570

Underlying: Common Stock · 9,235 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.

F3 · derivative.exercise_price: At the election of the reporting person, upon vesting of the RSU's, the shares were converted into Phantom Stock Units (PSU's) pursuant to the Teradyne, Inc. Deferral Plan for Non-Employee Directors (as restated on May 25, 2006). The PSU's are to be settled 1 for 1 in the Issuer's common stock generally within ninety (90) days of the date the non-employee director no longer serves as such.

F3 · price: At the election of the reporting person, upon vesting of the RSU's, the shares were converted into Phantom Stock Units (PSU's) pursuant to the Teradyne, Inc. Deferral Plan for Non-Employee Directors (as restated on May 25, 2006). The PSU's are to be settled 1 for 1 in the Issuer's common stock generally within ninety (90) days of the date the non-employee director no longer serves as such.

F3 · derivative.exercise_date: At the election of the reporting person, upon vesting of the RSU's, the shares were converted into Phantom Stock Units (PSU's) pursuant to the Teradyne, Inc. Deferral Plan for Non-Employee Directors (as restated on May 25, 2006). The PSU's are to be settled 1 for 1 in the Issuer's common stock generally within ninety (90) days of the date the non-employee director no longer serves as such.

F3 · derivative.expiration_date: At the election of the reporting person, upon vesting of the RSU's, the shares were converted into Phantom Stock Units (PSU's) pursuant to the Teradyne, Inc. Deferral Plan for Non-Employee Directors (as restated on May 25, 2006). The PSU's are to be settled 1 for 1 in the Issuer's common stock generally within ninety (90) days of the date the non-employee director no longer serves as such.

SEC source: 0001127602-17-017786 · form4.xml · derivative · entry 1

TUFANO PAUL J · CIK 0001201520 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,235 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 Restricted Stock Unit (RSU) represents the right to receive one share of Teradyne, Inc. common stock.

F3 · price: At the election of the reporting person, upon vesting of the RSU's, the shares were converted into Phantom Stock Units (PSU's) pursuant to the Teradyne, Inc. Deferral Plan for Non-Employee Directors (as restated on May 25, 2006). The PSU's are to be settled 1 for 1 in the Issuer's common stock generally within ninety (90) days of the date the non-employee director no longer serves as such.

F2 · derivative.exercise_date: These RSU's were issued under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan, are time-based, and will vest in full on the earlier of May 10, 2017 or the date the 2017 Annual Meeting of Shareholders is held.

F2 · derivative.expiration_date: These RSU's were issued under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan, are time-based, and will vest in full on the earlier of May 10, 2017 or the date the 2017 Annual Meeting of Shareholders is held.

SEC source: 0001127602-17-017780 · form4.xml · derivative · entry 3

GILLIS EDWIN J · CIK 0001186557 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,931

Underlying: Common Stock · 4,931 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit (RSU) represents the right to receive one share of Teradyne, Inc. common stock.

F3 · derivative.exercise_date: These RSU's were issued under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan, are time-based, and will vest in full on the earlier of May 9, 2018 or the date the 2018 Annual Meeting of Shareholders is held.

F3 · derivative.expiration_date: These RSU's were issued under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan, are time-based, and will vest in full on the earlier of May 9, 2018 or the date the 2018 Annual Meeting of Shareholders is held.

SEC source: 0001127602-17-017780 · form4.xml · derivative · entry 2

GILLIS EDWIN J · CIK 0001186557 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,235 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 Restricted Stock Unit (RSU) represents the right to receive one share of Teradyne, Inc. common stock.

F2 · derivative.exercise_date: These RSU's were issued under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan, are time-based, and will vest in full on the earlier of May 10, 2017 or the date the 2017 Annual Meeting of Shareholders is held.

F2 · derivative.expiration_date: These RSU's were issued under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan, are time-based, and will vest in full on the earlier of May 10, 2017 or the date the 2017 Annual Meeting of Shareholders is held.

SEC source: 0001127602-17-017780 · form4.xml · nonDerivative · entry 1

GILLIS EDWIN J · CIK 0001186557 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 90,638

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.

SEC source: 0001127602-17-017777 · form4.xml · derivative · entry 3

VALLEE ROY · CIK 0001220020 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,931

Underlying: Common Stock · 4,931 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit (RSU) represents the right to receive one share of Teradyne, Inc. common stock.

F3 · derivative.exercise_date: These RSU's were issued under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan, are time-based, and will vest in full on the earlier of May 9, 2018 or the date the 2018 Annual Meeting of Shareholders is held.

F3 · derivative.expiration_date: These RSU's were issued under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan, are time-based, and will vest in full on the earlier of May 9, 2018 or the date the 2018 Annual Meeting of Shareholders is held.

SEC source: 0001127602-17-017777 · form4.xml · derivative · entry 2

VALLEE ROY · CIK 0001220020 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,235 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 Restricted Stock Unit (RSU) represents the right to receive one share of Teradyne, Inc. common stock.

F2 · derivative.exercise_date: These RSU's were issued under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan, are time-based, and will vest in full on the earlier of May 10, 2017 or the date the 2017 Annual Meeting of Shareholders is held.

F2 · derivative.expiration_date: These RSU's were issued under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan, are time-based, and will vest in full on the earlier of May 10, 2017 or the date the 2017 Annual Meeting of Shareholders is held.

SEC source: 0001127602-17-017777 · form4.xml · nonDerivative · entry 1

VALLEE ROY · CIK 0001220020 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 96,285

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.

SEC source: 0001127602-17-017775 · form4.xml · derivative · entry 3

JOHNSON MERCEDES · CIK 0001225110 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,931

Underlying: Common Stock · 4,931 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit (RSU) represents the right to receive one share of Teradyne, Inc. common stock.

F3 · derivative.exercise_date: These RSU's were issued under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan, are time-based, and will vest in full on the earlier of May 9, 2018 or the date the 2018 Annual Meeting of Shareholders is held.

F3 · derivative.expiration_date: These RSU's were issued under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan, are time-based, and will vest in full on the earlier of May 9, 2018 or the date the 2018 Annual Meeting of Shareholders is held.

SEC source: 0001127602-17-017775 · form4.xml · derivative · entry 2

JOHNSON MERCEDES · CIK 0001225110 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,235 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 Restricted Stock Unit (RSU) represents the right to receive one share of Teradyne, Inc. common stock.

F2 · derivative.exercise_date: These RSU's were issued under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan, are time-based, and will vest in full on the earlier of May 10, 2017 or the date the 2017 Annual Meeting of Shareholders is held.

F2 · derivative.expiration_date: These RSU's were issued under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan, are time-based, and will vest in full on the earlier of May 10, 2017 or the date the 2017 Annual Meeting of Shareholders is held.

SEC source: 0001127602-17-017775 · form4.xml · nonDerivative · entry 1

JOHNSON MERCEDES · CIK 0001225110 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,773

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.

SEC source: 0001127602-17-017773 · form4.xml · derivative · entry 4

CHRISTMAN DANIEL W · CIK 0001199143 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,931

Underlying: Common Stock · 4,931 shares

Expires not disclosed

F2 · derivative.exercise_price: Each Restricted Stock Unit (RSU) represents the right to receive one share of Teradyne, Inc. common stock.

F3 · derivative.exercise_date: These RSU's were issued under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan, are time-based, and will vest in full on the earlier of May 9, 2018 or the date the 2018 Annual Meeting of Shareholders is held.

F3 · derivative.expiration_date: These RSU's were issued under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan, are time-based, and will vest in full on the earlier of May 9, 2018 or the date the 2018 Annual Meeting of Shareholders is held.

SEC source: 0001127602-17-017773 · form4.xml · derivative · entry 3

CHRISTMAN DANIEL W · CIK 0001199143 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,235 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: Indicates conversion upon vesting of 100% of the time-based Restricted Stock Units (RSU's) granted on May 10, 2016 under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan.

F1 · derivative.exercise_date: Indicates conversion upon vesting of 100% of the time-based Restricted Stock Units (RSU's) granted on May 10, 2016 under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan.

F1 · derivative.expiration_date: Indicates conversion upon vesting of 100% of the time-based Restricted Stock Units (RSU's) granted on May 10, 2016 under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan.

SEC source: 0001127602-17-017773 · form4.xml · nonDerivative · entry 1

CHRISTMAN DANIEL W · CIK 0001199143 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,163

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.

SEC source: 0001127602-17-017770 · form4.xml · derivative · entry 3

BRADLEY MICHAEL A · CIK 0001198621 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,931

Underlying: Common Stock · 4,931 shares

Expires not disclosed

F2 · derivative.exercise_price: Each Restricted Stock Unit (RSU) represents the right to receive one share of Teradyne, Inc. common stock.

F3 · derivative.exercise_date: These RSU's were issued under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan, are time-based, and will vest in full on the earlier of May 9, 2018 or the date the 2018 Annual Meeting of Shareholders is held.

F3 · derivative.expiration_date: These RSU's were issued under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan, are time-based, and will vest in full on the earlier of May 9, 2018 or the date the 2018 Annual Meeting of Shareholders is held.

SEC source: 0001127602-17-017770 · form4.xml · derivative · entry 2

BRADLEY MICHAEL A · CIK 0001198621 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,235 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: Indicates conversion upon vesting of 100% of the time-based Restricted Stock Units (RSU's) granted on May 10, 2016 under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan.

F1 · derivative.exercise_date: Indicates conversion upon vesting of 100% of the time-based Restricted Stock Units (RSU's) granted on May 10, 2016 under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan.

F1 · derivative.expiration_date: Indicates conversion upon vesting of 100% of the time-based Restricted Stock Units (RSU's) granted on May 10, 2016 under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan.

SEC source: 0001127602-17-017770 · form4.xml · nonDerivative · entry 1

BRADLEY MICHAEL A · CIK 0001198621 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 196,005

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.

SEC source: 0001127602-17-016370 · form4.xml · nonDerivative · entry 1

Beecher Gregory R · CIK 0001239380 · VP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,298

SEC source: 0001127602-17-016366 · form4.xml · nonDerivative · entry 1

Robbins Brad · CIK 0001618272 · President of LitePoint Corp.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,647

F1 · price: The reported price is based on a weighted average of multiple same-day transactions with prices ranging from $36.04 to $36.17 per share. Full information regarding the number of shares sold at each separate price is available to the Securities and Exchange Commission staff, the Issuer or any security holder of the Issuer upon request.

SEC source: 0001127602-17-016358 · form4.xml · nonDerivative · entry 1

Gray Charles Jeffrey · CIK 0001461137 · VP,General Counsel & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,161

SEC source: 0001127602-17-012405 · form4.xml · nonDerivative · entry 2

Robbins Brad · CIK 0001618272 · President of LitePoint Corp.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,647

SEC source: 0001127602-17-012405 · form4.xml · nonDerivative · entry 1

Robbins Brad · CIK 0001618272 · President of LitePoint Corp.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,647

SEC source: 0001127602-18-002977 · form5.xml · nonDerivative · entry 2

BRADLEY MICHAEL A · CIK 0001198621 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 109,994

F1 · kind: Represents a charitable gift by the reporting person.

SEC source: 0001127602-18-002977 · form5.xml · nonDerivative · entry 1

BRADLEY MICHAEL A · CIK 0001198621 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 112,038

F1 · kind: Represents a charitable gift by the reporting person.

SEC source: 0001127602-17-007363 · form4.xml · nonDerivative · entry 6

Vahey Walter G. · CIK 0001553425 · President, Systems Test Group

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,805

SEC source: 0001127602-17-007363 · form4.xml · nonDerivative · entry 5

Vahey Walter G. · CIK 0001553425 · President, Systems Test Group

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,479

SEC source: 0001127602-17-007363 · form4.xml · nonDerivative · entry 4

Vahey Walter G. · CIK 0001553425 · President, Systems Test Group

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,043

SEC source: 0001127602-17-007363 · form4.xml · nonDerivative · entry 3

Vahey Walter G. · CIK 0001553425 · President, Systems Test Group

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,843

SEC source: 0001127602-17-007363 · form4.xml · nonDerivative · entry 2

Vahey Walter G. · CIK 0001553425 · President, Systems Test Group

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,243

SEC source: 0001127602-17-007363 · form4.xml · nonDerivative · entry 1

Vahey Walter G. · CIK 0001553425 · President, Systems Test Group

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,593

SEC source: 0001127602-17-006990 · form4.xml · derivative · entry 13

Vahey Walter G. · CIK 0001553425 · President, Systems Test Group

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,218

Underlying: Common Stock · 2,405 shares

Expires 2023-01-29

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.

F4 · derivative.exercise_date: This option is granted under Teradyne's 2006 Equity and Cash Compensation Incentive Plan, and is exercisable at the rate of 25% per year, commencing on the date of the first anniversary of the grant, January 29, 2017.

SEC source: 0001127602-17-006990 · form4.xml · derivative · entry 12

Vahey Walter G. · CIK 0001553425 · President, Systems Test Group

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,362

Underlying: Common Stock · 5,361 shares

Expires 2022-01-30

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.

F3 · derivative.exercise_date: This option is granted under Teradyne's 2006 Equity and Cash Compensation Incentive Plan, and is exercisable at the rate of 25% per year, commencing on the date of the first anniversary of the grant, January 30, 2016.

SEC source: 0001127602-17-006990 · form4.xml · derivative · entry 11

Vahey Walter G. · CIK 0001553425 · President, Systems Test Group

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,072

Underlying: Common Stock · 6,216 shares

Expires 2021-01-24

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: This option is granted under Teradyne's 2006 Equity and Cash Compensation Incentive Plan, and is exercisable at the rate of 25% per year, commencing on the date of the first anniversary of the grant, January 24, 2015.

SEC source: 0001127602-17-006990 · form4.xml · derivative · entry 10

Vahey Walter G. · CIK 0001553425 · President, Systems Test Group

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 11,208 shares

Expires 2020-01-25

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_date: This option is granted under Teradyne's 2006 Equity and Cash Compensation Incentive Plan, and is exercisable at the rate of 25% per year, commencing on the date of the first anniversary of the grant, January 25, 2014.

SEC source: 0001127602-17-006990 · form4.xml · nonDerivative · entry 9

Vahey Walter G. · CIK 0001553425 · President, Systems Test Group

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,993

SEC source: 0001127602-17-006990 · form4.xml · nonDerivative · entry 8

Vahey Walter G. · CIK 0001553425 · President, Systems Test Group

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,398

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.

SEC source: 0001127602-17-006990 · form4.xml · nonDerivative · entry 7

Vahey Walter G. · CIK 0001553425 · President, Systems Test Group

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,993

SEC source: 0001127602-17-006990 · form4.xml · nonDerivative · entry 6

Vahey Walter G. · CIK 0001553425 · President, Systems Test Group

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,354

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.

SEC source: 0001127602-17-006990 · form4.xml · nonDerivative · entry 5

Vahey Walter G. · CIK 0001553425 · President, Systems Test Group

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,993

SEC source: 0001127602-17-006990 · form4.xml · nonDerivative · entry 4

Vahey Walter G. · CIK 0001553425 · President, Systems Test Group

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,209

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.