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person · Reporting owner

SLESSOR MIKE

Disclosed activity across 2 companies

Tapewire entity
23022
SEC CIK
0001590177

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
BENCHMARK ELECTRONICS INCBHE · Entity 4343DirectorMay 27, 2026May 28, 2026
FORMFACTOR INCFORM · Entity 3670Director · CEOOctober 14, 2026October 15, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

BENCHMARK ELECTRONICS INC

Report date May 27, 2026 · Filed May 28, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect4,349 Reported balance After 2026-05-27 transaction · row 1
1 source row

Row 1 · 2026-05-27 · Grant · Acquired 2,093 · Balance 4,349

F1: These shares are represented by a restricted stock unit award bearing the right to receive Common Shares and are scheduled to vest either one-year from the date of grant or the next annual shareholder meeting, whichever is earlier.

Filing footnotes · ownership attribution and instrument terms

F1: These shares are represented by a restricted stock unit award bearing the right to receive Common Shares and are scheduled to vest either one-year from the date of grant or the next annual shareholder meeting, whichever is earlier.

FORMFACTOR INC

Report date October 14, 2026 · Filed October 15, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect455,596 Ending reported balance After 2026-10-14 transaction · row 3
3 source rows · reconciled sequence

Row 1 · 2026-10-14 · Sale · Disposed 2,195 · Balance 464,499

F1: The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted on August 19, 2025.

F2: Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $123.87 through $124.86. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Row 2 · 2026-10-14 · Sale · Disposed 7,703 · Balance 456,796

F1: The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted on August 19, 2025.

F3: Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $124.90 through $125.805. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Row 3 · 2026-10-14 · Sale · Disposed 1,200 · Balance 455,596

F1: The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted on August 19, 2025.

F4: Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $125.855 through $125.98. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Filing footnotes · ownership attribution and instrument terms

F1: The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted on August 19, 2025.

F2: Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $123.87 through $124.86. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F3: Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $124.90 through $125.805. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F4: Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $125.855 through $125.98. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
August 01, 2022 Filed Aug 31, 2022 21:36 UTC FORMFACTOR INC FORM · Entity 3670 GrantRestricted Stock Units · Derivative 43,280 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001039399-22-000083 · wf-form4_166198179371957.xml · derivative · entry 4

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,280

Underlying: Common Stock · 43,280 shares

Expires not disclosed

F4 · derivative.exercise_date: This represents a restricted stock unit award granted on 08/01/22 that vests annually over three years from grant date.

F3 · derivative.expiration_date: If the reporting person's employment is terminated for any reason before an applicable Vesting Date, all restricted stock units that have not yet vested shall be forfeited without consideration, except as provided in the change of control severance agreement and any other agreements regarding equity vesting and exercisability between the reporting person and Issuer, which agreements or form agreements are filed with the SEC.

Read SEC document
July 19, 2022 Filed Jul 21, 2022 20:21 UTC FORMFACTOR INC FORM · Entity 3670 Exercise / conversionPerformance Shares · Derivative 136,403 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001039399-22-000068 · wf-form4_165843489538162.xml · derivative · entry 4

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 136,403 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_date: The Performance-based RSUs will become vested as to 100% of the total number of PRSUs earned based on results of the performance goal July 1, 2019 - June 30, 2022 on the date the Performance conditions are determined to be satisfied.

F4 · derivative.expiration_date: If the reporting person's employment is terminated for any reason before an applicable Vesting Date, all Performance-Based Restricted Stock Units that have not yet vested shall be forfeited without consideration, except as provided in the change of control severance agreement and any other agreements regarding equity vesting and exercisability between the reporting person and Issuer, which agreements or form agreements are filed with the SEC.

Read SEC document
July 19, 2022 Filed Jul 21, 2022 20:21 UTC FORMFACTOR INC FORM · Entity 3670 GrantPerformance Shares · Derivative 136,403 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001039399-22-000068 · wf-form4_165843489538162.xml · derivative · entry 3

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 136,403

Underlying: Common Stock · 136,403 shares

Expires not disclosed

F1 · derivative.exercise_date: The Performance-based RSUs will become vested as to 100% of the total number of PRSUs earned based on results of the performance goal July 1, 2019 - June 30, 2022 on the date the Performance conditions are determined to be satisfied.

F4 · derivative.expiration_date: If the reporting person's employment is terminated for any reason before an applicable Vesting Date, all Performance-Based Restricted Stock Units that have not yet vested shall be forfeited without consideration, except as provided in the change of control severance agreement and any other agreements regarding equity vesting and exercisability between the reporting person and Issuer, which agreements or form agreements are filed with the SEC.

Read SEC document
July 19, 2022 Filed Jul 21, 2022 20:21 UTC FORMFACTOR INC FORM · Entity 3670 Tax withholdingCommon Stock 67,629 $38.87 $2,628,739.23
Disclosure

SEC source: 0001039399-22-000068 · wf-form4_165843489538162.xml · nonDerivative · entry 2

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 472,210

F3 · shares: Represents the number of shares withheld upon vesting of performance restricted stock units to cover tax withholding obligations.

Read SEC document
July 19, 2022 Filed Jul 21, 2022 20:21 UTC FORMFACTOR INC FORM · Entity 3670 Exercise / conversionCommon Stock 136,403 $0.00 $0.00
Disclosure

SEC source: 0001039399-22-000068 · wf-form4_165843489538162.xml · nonDerivative · entry 1

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 539,839

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

F1 · shares: The Performance-based RSUs will become vested as to 100% of the total number of PRSUs earned based on results of the performance goal July 1, 2019 - June 30, 2022 on the date the Performance conditions are determined to be satisfied.

F2 · shares: The Performance-Based restricted stock units released were settled in shares of common stock and were immediately cancelled upon settlement.

Read SEC document
June 06, 2022 Filed Jun 8, 2022 22:21 UTC FORMFACTOR INC FORM · Entity 3670 Exercise / conversionRestricted Stock Units · Derivative 20,667 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001039399-22-000064 · wf-form4_165472685032070.xml · derivative · entry 3

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 20,667 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_date: The Restricted Stock Units vest in three annual installments on each June 4 of 2020, 2021, and 2022 and will be settled into shares of common stocks on or following the vesting dates.

F3 · derivative.expiration_date: If the reporting person's employment is terminated for any reason before an applicable vesting date, all options and/or restricted stock units that have not yet vested shall be forfeited without consideration, except as provided in the change of control severance agreement and any other agreements regarding award vesting and exercisability between the reporting person and Issuer, which agreements or form agreements are filed with the SEC.

Read SEC document
June 06, 2022 Filed Jun 8, 2022 22:21 UTC FORMFACTOR INC FORM · Entity 3670 Tax withholdingCommon Stock 7,579 $40.46 $306,646.34
Disclosure

SEC source: 0001039399-22-000064 · wf-form4_165472685032070.xml · nonDerivative · entry 2

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 403,436

F2 · shares: Represents the number of shares withheld upon vesting of restricted stock units to cover tax withholding obligations.

Read SEC document
June 06, 2022 Filed Jun 8, 2022 22:21 UTC FORMFACTOR INC FORM · Entity 3670 Exercise / conversionCommon Stock 20,667 $0.00 $0.00
Disclosure

SEC source: 0001039399-22-000064 · wf-form4_165472685032070.xml · nonDerivative · entry 1

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 411,015

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

F1 · shares: The Restricted Stock Units vest in three annual installments on each June 4 of 2020, 2021, and 2022 and will be settled into shares of common stocks on or following the vesting dates.

Read SEC document
February 07, 2022 Filed Feb 11, 2022 00:01 UTC FORMFACTOR INC FORM · Entity 3670 GiftCommon Stock 2,600 $0.00 $0.00
Disclosure

SEC source: 0001039399-22-000008 · wf-form4_164453768434039.xml · nonDerivative · entry 1

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 390,348

F1 · kind: Gift of shares to a charitable foundation.

Read SEC document
November 05, 2021 Filed Nov 8, 2021 19:58 UTC FORMFACTOR INC FORM · Entity 3670 SaleCommon Stock 25,000 $44.60 $1,115,070.00
Disclosure

SEC source: 0001039399-21-000087 · wf-form4_163640146653770.xml · nonDerivative · entry 1

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 392,948

F1 · price: Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $44.38 through $45.01. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
August 27, 2021 Filed Aug 30, 2021 16:41 UTC FORMFACTOR INC FORM · Entity 3670 Exercise / conversionRestricted Stock Units · Derivative 16,666 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001039399-21-000076 · wf-form4_163034165574519.xml · derivative · entry 3

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,334

Underlying: Common Stock · 16,666 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_date: The Restricted Stock Units vest in three annual installments on each August 27 2021, 2022, and 2023 and will be settled into shares of common stock on or following the vesting dates.

F3 · derivative.expiration_date: If the reporting person's employment is terminated for any reason before an applicable vesting date, all restricted stock units that have not yet vested shall be forfeited without consideration, except as provided in the change of control severance agreement and any other agreements regarding equity vesting and exercisability between the reporting person and Issuer, which agreements or form agreements are filed with the SEC.

Read SEC document
August 27, 2021 Filed Aug 30, 2021 16:41 UTC FORMFACTOR INC FORM · Entity 3670 Tax withholdingCommon Stock 8,997 $39.25 $353,132.25
Disclosure

SEC source: 0001039399-21-000076 · wf-form4_163034165574519.xml · nonDerivative · entry 2

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 417,948

F2 · shares: Represents the number of shares withheld upon vesting of restricted stock units to cover tax withholding obligations.

Read SEC document
August 27, 2021 Filed Aug 30, 2021 16:41 UTC FORMFACTOR INC FORM · Entity 3670 Exercise / conversionCommon Stock 16,666 $0.00 $0.00
Disclosure

SEC source: 0001039399-21-000076 · wf-form4_163034165574519.xml · nonDerivative · entry 1

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 426,945

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

F1 · shares: The Restricted Stock Units vest in three annual installments on each August 27 2021, 2022, and 2023 and will be settled into shares of common stock on or following the vesting dates.

Read SEC document
August 16, 2021 Filed Aug 17, 2021 16:44 UTC FORMFACTOR INC FORM · Entity 3670 Exercise / conversionRestricted Stock Units · Derivative 20,667 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001039399-21-000072 · wf-form4_162921867112273.xml · derivative · entry 3

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 20,667 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_date: The Restricted Stock Units vest in three annual installments on each August 16 of 2019, 2020, and 2021 and will be settled into shares of common stocks on or following the vesting dates.

F3 · derivative.expiration_date: If the reporting person's employment is terminated for any reason before an applicable vesting date, all restricted stock units that have not yet vested shall be forfeited without consideration, except as provided in the change of control severance agreement and any other agreements regarding equity vesting and exercisability between the reporting person and Issuer, which agreements or form agreements are filed with the SEC.

Read SEC document
August 16, 2021 Filed Aug 17, 2021 16:44 UTC FORMFACTOR INC FORM · Entity 3670 Tax withholdingCommon Stock 11,157 $35.59 $397,077.63
Disclosure

SEC source: 0001039399-21-000072 · wf-form4_162921867112273.xml · nonDerivative · entry 2

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 410,279

F2 · shares: Represents the number of shares withheld upon vesting of restricted stock units to cover tax withholding obligations.

Read SEC document
August 16, 2021 Filed Aug 17, 2021 16:44 UTC FORMFACTOR INC FORM · Entity 3670 Exercise / conversionCommon Stock 20,667 $0.00 $0.00
Disclosure

SEC source: 0001039399-21-000072 · wf-form4_162921867112273.xml · nonDerivative · entry 1

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 421,436

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

F1 · shares: The Restricted Stock Units vest in three annual installments on each August 16 of 2019, 2020, and 2021 and will be settled into shares of common stocks on or following the vesting dates.

Read SEC document
August 05, 2021 Filed Aug 9, 2021 21:52 UTC FORMFACTOR INC FORM · Entity 3670 GiftCommon Stock 2,000 $0.00 $0.00
Disclosure

SEC source: 0001039399-21-000070 · wf-form4_162854590729710.xml · nonDerivative · entry 1

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 400,769

F1 · security: This transaction represents a gift/charitable donation effective August 5, 2021. This is not a market transaction, thus no price has been reported. No value was received for the gifted shares.

Read SEC document
August 02, 2021 Filed Aug 3, 2021 20:09 UTC FORMFACTOR INC FORM · Entity 3670 GrantRestricted Stock Units · Derivative 40,610 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001039399-21-000068 · wf-form4_162802132582771.xml · derivative · entry 1

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,610

Underlying: Common Stock · 40,610 shares

Expires not disclosed

F1 · derivative.exercise_date: The Restricted Stock Units vest in three annual installments on each August 2 of 2022, 2023 and 2024 and will be settled into shares of common stocks on or following the vesting dates.

F2 · derivative.expiration_date: If the reporting person's employment is terminated for any reason before an applicable vesting date, all options and/or restricted stock units that have not yet vested shall be forfeited without consideration, except as provided in the change of control severance agreement and any other agreements regarding award vesting and exercisability between the reporting person and Issuer, which agreements or form agreements are filed with the SEC.

Read SEC document
July 19, 2021 Filed Jul 21, 2021 19:17 UTC FORMFACTOR INC FORM · Entity 3670 Exercise / conversionPerformance Shares · Derivative 132,004 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001039399-21-000060 · wf-form4_162689504648127.xml · derivative · entry 4

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 132,004 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_date: The Performance-based RSU's will become vested as to 100% of the total number of PRSUs earned based on the results of the performance goal July 1, 2018 - June 30, 2021 on the date the performance conditions are determined to be satisfied.

F3 · derivative.expiration_date: If the reporting person's employment is terminated for any reason before an applicable vesting date, all Performance-Based Restricted Stock Units that have not yet vested shall be forfeited without consideration, except as provided in the change of control severance agreement and any other agreements regarding award vesting and exercisability between the reporting person and Issuer, which agreements or form agreements are filed with the SEC.

Read SEC document
July 19, 2021 Filed Jul 21, 2021 19:17 UTC FORMFACTOR INC FORM · Entity 3670 GrantPerformance Shares · Derivative 132,004 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001039399-21-000060 · wf-form4_162689504648127.xml · derivative · entry 3

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 132,004

Underlying: Common Stock · 132,004 shares

Expires not disclosed

F1 · derivative.exercise_date: The Performance-based RSU's will become vested as to 100% of the total number of PRSUs earned based on the results of the performance goal July 1, 2018 - June 30, 2021 on the date the performance conditions are determined to be satisfied.

F3 · derivative.expiration_date: If the reporting person's employment is terminated for any reason before an applicable vesting date, all Performance-Based Restricted Stock Units that have not yet vested shall be forfeited without consideration, except as provided in the change of control severance agreement and any other agreements regarding award vesting and exercisability between the reporting person and Issuer, which agreements or form agreements are filed with the SEC.

Read SEC document
July 19, 2021 Filed Jul 21, 2021 19:17 UTC FORMFACTOR INC FORM · Entity 3670 Tax withholdingCommon Stock 71,256 $33.96 $2,419,853.76
Disclosure

SEC source: 0001039399-21-000060 · wf-form4_162689504648127.xml · nonDerivative · entry 2

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 402,769

Read SEC document
July 19, 2021 Filed Jul 21, 2021 19:17 UTC FORMFACTOR INC FORM · Entity 3670 Exercise / conversionCommon Stock 132,004 $0.00 $0.00
Disclosure

SEC source: 0001039399-21-000060 · wf-form4_162689504648127.xml · nonDerivative · entry 1

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 474,025

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

F1 · shares: The Performance-based RSU's will become vested as to 100% of the total number of PRSUs earned based on the results of the performance goal July 1, 2018 - June 30, 2021 on the date the performance conditions are determined to be satisfied.

F2 · shares: The Performance-Based Restricted Stock Units released were settled in shares of common stock and were immediately cancelled upon settlement.

Read SEC document
June 04, 2021 Filed Jun 7, 2021 17:02 UTC FORMFACTOR INC FORM · Entity 3670 Exercise / conversionRestricted Stock Units · Derivative 20,667 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001039399-21-000048 · wf-form4_162308530943717.xml · derivative · entry 3

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,667

Underlying: Common Stock · 20,667 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_date: The Restricted Stock Units vest in three annual installments on each June 4 of 2020, 2021, and 2022 and will be settled into shares of common stocks on or following the vesting dates.

F3 · derivative.expiration_date: If the reporting person's employment is terminated for any reason before an applicable vesting date, all restricted stock units that have not yet vested shall be forfeited without consideration, except as provided in the change of control severance agreement and any other agreements regarding award vesting and exercisability between the reporting person and Issuer, which agreements or form agreements are filed with the SEC.

Read SEC document
June 04, 2021 Filed Jun 7, 2021 17:02 UTC FORMFACTOR INC FORM · Entity 3670 Tax withholdingCommon Stock 11,157 $34.91 $389,490.87
Disclosure

SEC source: 0001039399-21-000048 · wf-form4_162308530943717.xml · nonDerivative · entry 2

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 342,021

F2 · shares: Represents the number of shares withheld upon vesting of restricted stock units to cover tax withholding obligations.

Read SEC document
June 04, 2021 Filed Jun 7, 2021 17:02 UTC FORMFACTOR INC FORM · Entity 3670 Exercise / conversionCommon Stock 20,667 $0.00 $0.00
Disclosure

SEC source: 0001039399-21-000048 · wf-form4_162308530943717.xml · nonDerivative · entry 1

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 353,178

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

F1 · shares: The Restricted Stock Units vest in three annual installments on each June 4 of 2020, 2021, and 2022 and will be settled into shares of common stocks on or following the vesting dates.

Read SEC document
May 26, 2021 Filed May 26, 2021 22:56 UTC FORMFACTOR INC FORM · Entity 3670 SaleCommon Stock 15,010 $34.68 $520,510.78
Disclosure

SEC source: 0001039399-21-000042 · wf-form4_162206978396578.xml · nonDerivative · entry 1

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 332,511

F1 · date: This transaction was effected pursuant to a 10b5-1 trading plan adopted by the reporting person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F2 · price: Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $34.418 through $35.31. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
May 12, 2021 Filed May 13, 2021 01:43 UTC FORMFACTOR INC FORM · Entity 3670 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 25,000 $8.44 Strike: $8.44 $211,000.00
Disclosure

SEC source: 0001039399-21-000023 · wf-form4_162087016250357.xml · derivative · entry 9

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 25,000 shares

Expires 2022-02-09

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: This transaction was effected pursuant to a 10b5-1 trading plan adopted by the reporting person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F6 · derivative.exercise_date: The Stock Option was granted pursuant to the Issuer's 2002 Equity Incentive Plan and vest over 4 years, with 25% vesting on February 9, 2016 and the remainder vesting in equal annual installments over the following three years.

F7 · derivative.expiration_date: If the reporting person's employment is terminated for any reason before an applicable vesting date, all options and/or restricted stock units that have not yet vested shall be forfeited without consideration, except as provided in the change of control severance agreement and any other agreements regarding award vesting and exercisability between the reporting person and Issuer, which agreements or form agreements are filed with the SEC.

Read SEC document
May 12, 2021 Filed May 13, 2021 01:43 UTC FORMFACTOR INC FORM · Entity 3670 SaleCommon Stock 200 $35.68 $7,136.00
Disclosure

SEC source: 0001039399-21-000023 · wf-form4_162087016250357.xml · nonDerivative · entry 7

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 347,521

F1 · kind: This transaction was effected pursuant to a 10b5-1 trading plan adopted by the reporting person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

Read SEC document
May 12, 2021 Filed May 13, 2021 01:43 UTC FORMFACTOR INC FORM · Entity 3670 SaleCommon Stock 5,712 $34.83 $198,961.53
Disclosure

SEC source: 0001039399-21-000023 · wf-form4_162087016250357.xml · nonDerivative · entry 6

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 347,721

F1 · kind: This transaction was effected pursuant to a 10b5-1 trading plan adopted by the reporting person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F5 · price: Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $34.318 through $35.23. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
May 12, 2021 Filed May 13, 2021 01:43 UTC FORMFACTOR INC FORM · Entity 3670 SaleCommon Stock 19,088 $33.92 $647,478.32
Disclosure

SEC source: 0001039399-21-000023 · wf-form4_162087016250357.xml · nonDerivative · entry 5

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 353,433

F1 · kind: This transaction was effected pursuant to a 10b5-1 trading plan adopted by the reporting person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F4 · price: Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $33.31 through $34.297. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
May 12, 2021 Filed May 13, 2021 01:43 UTC FORMFACTOR INC FORM · Entity 3670 Exercise / conversionCommon Stock 25,000 $8.44 $211,000.00
Disclosure

SEC source: 0001039399-21-000023 · wf-form4_162087016250357.xml · nonDerivative · entry 4

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 372,521

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: This transaction was effected pursuant to a 10b5-1 trading plan adopted by the reporting person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

Read SEC document
May 11, 2021 Filed May 13, 2021 01:43 UTC FORMFACTOR INC FORM · Entity 3670 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 25,000 $8.44 Strike: $8.44 $211,000.00
Disclosure

SEC source: 0001039399-21-000023 · wf-form4_162087016250357.xml · derivative · entry 8

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock · 25,000 shares

Expires 2022-02-09

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: This transaction was effected pursuant to a 10b5-1 trading plan adopted by the reporting person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F6 · derivative.exercise_date: The Stock Option was granted pursuant to the Issuer's 2002 Equity Incentive Plan and vest over 4 years, with 25% vesting on February 9, 2016 and the remainder vesting in equal annual installments over the following three years.

F7 · derivative.expiration_date: If the reporting person's employment is terminated for any reason before an applicable vesting date, all options and/or restricted stock units that have not yet vested shall be forfeited without consideration, except as provided in the change of control severance agreement and any other agreements regarding award vesting and exercisability between the reporting person and Issuer, which agreements or form agreements are filed with the SEC.

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May 11, 2021 Filed May 13, 2021 01:43 UTC FORMFACTOR INC FORM · Entity 3670 SaleCommon Stock 19,564 $35.95 $703,251.46
Disclosure

SEC source: 0001039399-21-000023 · wf-form4_162087016250357.xml · nonDerivative · entry 3

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 347,521

F1 · kind: This transaction was effected pursuant to a 10b5-1 trading plan adopted by the reporting person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F3 · price: Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $35.77 through $36.44. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
May 11, 2021 Filed May 13, 2021 01:43 UTC FORMFACTOR INC FORM · Entity 3670 SaleCommon Stock 5,436 $35.39 $192,390.37
Disclosure

SEC source: 0001039399-21-000023 · wf-form4_162087016250357.xml · nonDerivative · entry 2

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 367,085

F1 · kind: This transaction was effected pursuant to a 10b5-1 trading plan adopted by the reporting person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F2 · price: Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $34.77 through $35.70. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
May 11, 2021 Filed May 13, 2021 01:43 UTC FORMFACTOR INC FORM · Entity 3670 Exercise / conversionCommon Stock 25,000 $8.44 $211,000.00
Disclosure

SEC source: 0001039399-21-000023 · wf-form4_162087016250357.xml · nonDerivative · entry 1

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 372,521

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: This transaction was effected pursuant to a 10b5-1 trading plan adopted by the reporting person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

Read SEC document
February 24, 2021 Filed Feb 24, 2021 23:48 UTC FORMFACTOR INC FORM · Entity 3670 SaleCommon Stock 15,000 $46.95 $704,250.00
Disclosure

SEC source: 0001039399-21-000013 · wf-form4_161421047815897.xml · nonDerivative · entry 1

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 347,521

F1 · date: This transaction was effected pursuant to a 10b5-1 trading plan adopted by the reporting person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F2 · price: Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $46.06 through $48.19. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
February 10, 2021 Filed Feb 11, 2021 16:18 UTC FORMFACTOR INC FORM · Entity 3670 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 25,000 $8.44 Strike: $8.44 $211,000.00
Disclosure

SEC source: 0001039399-21-000006 · wf-form4_161306031121172.xml · derivative · entry 9

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Common Stock · 25,000 shares

Expires 2022-02-09

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: The Stock Option was granted pursuant to the Issuer's 2002 Equity Incentive Plan and vest over 4 years, with 25% vesting on February 9, 2016 and the remainder vesting in equal annual installments over the following three years.

Read SEC document
February 10, 2021 Filed Feb 11, 2021 16:18 UTC FORMFACTOR INC FORM · Entity 3670 SaleCommon Stock 25,000 $46.27 $1,156,867.50
Disclosure

SEC source: 0001039399-21-000006 · wf-form4_161306031121172.xml · nonDerivative · entry 6

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 362,521

F1 · kind: This transaction was effected pursuant to a 10b5-1 trading plan adopted by the reporting person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F3 · price: Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $45.815 through $46.59. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
February 10, 2021 Filed Feb 11, 2021 16:18 UTC FORMFACTOR INC FORM · Entity 3670 Exercise / conversionCommon Stock 25,000 $8.44 $211,000.00
Disclosure

SEC source: 0001039399-21-000006 · wf-form4_161306031121172.xml · nonDerivative · entry 5

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 387,521

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.

Read SEC document
February 09, 2021 Filed Feb 11, 2021 16:18 UTC FORMFACTOR INC FORM · Entity 3670 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 3,302 $8.44 Strike: $8.44 $27,868.88
Disclosure

SEC source: 0001039399-21-000006 · wf-form4_161306031121172.xml · derivative · entry 8

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,000

Underlying: Common Stock · 3,302 shares

Expires 2022-02-09

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: The Stock Option was granted pursuant to the Issuer's 2002 Equity Incentive Plan and vest over 4 years, with 25% vesting on February 9, 2016 and the remainder vesting in equal annual installments over the following three years.

Read SEC document
February 09, 2021 Filed Feb 11, 2021 16:18 UTC FORMFACTOR INC FORM · Entity 3670 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 21,698 $8.44 Strike: $8.44 $183,131.12
Disclosure

SEC source: 0001039399-21-000006 · wf-form4_161306031121172.xml · derivative · entry 7

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 78,302

Underlying: Common Stock · 21,698 shares

Expires 2022-02-09

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: The Stock Option was granted pursuant to the Issuer's 2002 Equity Incentive Plan and vest over 4 years, with 25% vesting on February 9, 2016 and the remainder vesting in equal annual installments over the following three years.

Read SEC document
February 09, 2021 Filed Feb 11, 2021 16:18 UTC FORMFACTOR INC FORM · Entity 3670 SaleCommon Stock 3,302 $46.08 $152,159.46
Disclosure

SEC source: 0001039399-21-000006 · wf-form4_161306031121172.xml · nonDerivative · entry 4

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 362,521

F1 · kind: This transaction was effected pursuant to a 10b5-1 trading plan adopted by the reporting person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

Read SEC document
February 09, 2021 Filed Feb 11, 2021 16:18 UTC FORMFACTOR INC FORM · Entity 3670 SaleCommon Stock 21,698 $46.08 $999,865.54
Disclosure

SEC source: 0001039399-21-000006 · wf-form4_161306031121172.xml · nonDerivative · entry 3

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 365,823

F1 · kind: This transaction was effected pursuant to a 10b5-1 trading plan adopted by the reporting person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F2 · price: Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $45.39 through $46.5. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
February 09, 2021 Filed Feb 11, 2021 16:18 UTC FORMFACTOR INC FORM · Entity 3670 Exercise / conversionCommon Stock 3,302 $8.44 $27,868.88
Disclosure

SEC source: 0001039399-21-000006 · wf-form4_161306031121172.xml · nonDerivative · entry 2

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 387,521

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.

Read SEC document
February 09, 2021 Filed Feb 11, 2021 16:18 UTC FORMFACTOR INC FORM · Entity 3670 Exercise / conversionCommon Stock 21,698 $8.44 $183,131.12
Disclosure

SEC source: 0001039399-21-000006 · wf-form4_161306031121172.xml · nonDerivative · entry 1

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 384,219

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.

Read SEC document
November 19, 2020 Filed Nov 20, 2020 18:29 UTC FORMFACTOR INC FORM · Entity 3670 SaleCommon Stock 4,602 $38.76 $178,388.71
Disclosure

SEC source: 0001039399-20-000094 · wf-form4_160589695859690.xml · nonDerivative · entry 2

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 362,521

F1 · date: This transaction was effected pursuant to a 10b5-1 trading plan adopted by the reporting person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F2 · price: Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $38.406 through $39.28. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
November 19, 2020 Filed Nov 20, 2020 18:29 UTC FORMFACTOR INC FORM · Entity 3670 SaleCommon Stock 9,510 $38.73 $368,318.50
Disclosure

SEC source: 0001039399-20-000094 · wf-form4_160589695859690.xml · nonDerivative · entry 1

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 367,123

F1 · date: This transaction was effected pursuant to a 10b5-1 trading plan adopted by the reporting person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F2 · price: Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $38.406 through $39.28. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
November 05, 2020 Filed Nov 6, 2020 23:00 UTC FORMFACTOR INC FORM · Entity 3670 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 25,000 $8.84 Strike: $8.44 $221,000.00
Disclosure

SEC source: 0001039399-20-000091 · wf-form4_160470360776686.xml · derivative · entry 6

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,000

Underlying: Common Stock · 25,000 shares

Expires 2022-02-09

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: The Stock Option was granted pursuant to the Issuer's 2002 Equity Incentive Plan and vest over 4 years, with 25% vesting on February 9, 2016 and the remainder vesting in equal annual installments over the following three years.

Read SEC document
November 05, 2020 Filed Nov 6, 2020 23:00 UTC FORMFACTOR INC FORM · Entity 3670 SaleCommon Stock 25,000 $33.30 $832,610.00
Disclosure

SEC source: 0001039399-20-000091 · wf-form4_160470360776686.xml · nonDerivative · entry 4

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 376,633

F1 · kind: This transaction was effected pursuant to a 10b5-1 trading plan adopted by the reporting person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F3 · price: Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $32.99 through $33.57. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
November 05, 2020 Filed Nov 6, 2020 23:00 UTC FORMFACTOR INC FORM · Entity 3670 Exercise / conversionCommon Stock 25,000 $8.44 $211,000.00
Disclosure

SEC source: 0001039399-20-000091 · wf-form4_160470360776686.xml · nonDerivative · entry 3

SLESSOR MIKE · CIK 0001590177 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 401,633

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.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.