FORMFACTOR INC files with the SEC under CIK 0001039399 and is classified as semiconductors and related devices. We track it alongside the rest of the Information Technology sector.
Footnote F1 (shares): The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted on August 19, 2025.
Footnote F2 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $103.65 through $104.63. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of… Full note on SEC EDGAR
Footnote F3 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $104.66 through $105.615. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number… Full note on SEC EDGAR
Footnote F1 (shares): The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted on August 19, 2025.
Footnote F2 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $128.14 through $129.01. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of… Full note on SEC EDGAR
Footnote F3 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $129.29 through $129.80. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of… Full note on SEC EDGAR
Footnote F4 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $130.255 through $131.00. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number… Full note on SEC EDGAR
Footnote F5 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $131.30 through $131.75. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of… Full note on SEC EDGAR
Footnote F6 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $132.17 through $132.95. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of… Full note on SEC EDGAR
Footnote F7 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $133.255 through $133.53. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number… Full note on SEC EDGAR
Footnote F1 (shares): These Performance-based Restricted Stock Units were previously granted and became vested based on the achievement of certain performance criteria in the period 7/1/2023 - 6/30/2026. The Compensation Committee has determined that such performance criteria have been met.
Footnote F2 (shares): Represents the number of shares withheld upon vesting and settlement of the Performance-based Restricted Stock Units to cover tax withholding obligations.
Footnote F3 (price): These shares of common stock reflect the settlement of restricted stock units of the Issuer. Each Restricted Stock Unit (RSU) is convertible into a share of common stock on a 1-for-1 basis.
Footnote F4 (shares): Represents the number of shares withheld upon vesting of Restricted Stock Units to cover tax withholding obligations.
Footnote F1 (price): These shares of common stock reflect the settlement of restricted stock units of the Issuer. Each Restricted Stock Unit (RSU) is convertible into a share of common stock on a 1-for-1 basis.
Footnote F2 (shares): Represents the number of shares withheld upon vesting of restricted stock units to cover tax withholding obligations.
Footnote F1 (price): These shares of common stock reflect the settlement of restricted stock units of the Issuer. Each Restricted Stock Unit (RSU) is convertible into a share of common stock on a 1-for-1 basis.
Footnote F2 (shares): Represents the number of shares withheld upon vesting of restricted stock units to cover tax withholding obligations.
Footnote F1 (shares): The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted on August 19, 2025.
Footnote F2 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $115.995 through $116.985. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number… Full note on SEC EDGAR
Footnote F3 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $116.995 through $117.9. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of… Full note on SEC EDGAR
Footnote F4 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $117.985 through $118.8. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of… Full note on SEC EDGAR
Footnote F5 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $119.075 through $119.085. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number… Full note on SEC EDGAR
Footnote F6 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $120.215 through $120.76. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number… Full note on SEC EDGAR
Footnote F7 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $121.14 through $121.38. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of… Full note on SEC EDGAR
Footnote F1 (shares): The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted on August 19, 2025.
Footnote F2 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $117.14 through $117.87. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of… Full note on SEC EDGAR
Footnote F3 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $121.22 through $122.04. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of… Full note on SEC EDGAR
Footnote F4 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $122.25 through $123. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of… Full note on SEC EDGAR
Footnote F5 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $123.365 through $123.39. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number… Full note on SEC EDGAR
Footnote F1 (price): These shares of common stock reflect the settlement of restricted stock units of the Issuer. Each Restricted Stock Unit (RSU) is convertible into a share of common stock on a 1-for-1 basis.
Footnote F2 (shares): Represents the number of shares withheld upon vesting of restricted stock units to cover tax withholding obligations.
Footnote F1 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $115.80 through $115.84. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of… Full note on SEC EDGAR
Footnote F2 (shares): If the reporting person ceases to provide services to the Issuer for any reason, all Restricted Stock Units that have not yet vested shall be forfeited without consideration except as provided in our Equity Grant Policy for Outside Directors and any other applicable agreements… Full note on SEC EDGAR
Footnote F3 (shares): RSUs vest monthly and become exercisable on the earlier of the 2027 Annual Meeting of Stockholders and May 15, 2027.
Footnote F2 (shares): If the reporting person ceases to provide services to the Issuer for any reason, all Restricted Stock Units that have not yet vested shall be forfeited without consideration except as provided in our Equity Grant Policy for Outside Directors and any other applicable agreements… Full note on SEC EDGAR
Footnote F3 (shares): RSUs vest monthly and become exercisable on the earlier of the 2027 Annual Meeting of Stockholders and May 15, 2027.
Footnote F2 (shares): If the reporting person ceases to provide services to the Issuer for any reason, all Restricted Stock Units that have not yet vested shall be forfeited without consideration except as provided in our Equity Grant Policy for Outside Directors and any other applicable agreements… Full note on SEC EDGAR
Footnote F3 (shares): RSUs vest monthly and become exercisable on the earlier of the 2027 Annual Meeting of Stockholders and May 15, 2027.
Footnote F2 (shares): If the reporting person ceases to provide services to the Issuer for any reason, all Restricted Stock Units that have not yet vested shall be forfeited without consideration except as provided in our Equity Grant Policy for Outside Directors and any other applicable agreements… Full note on SEC EDGAR
Footnote F3 (shares): RSUs vest monthly and become exercisable on the earlier of the 2027 Annual Meeting of Stockholders and May 15, 2027.
Footnote F2 (shares): If the reporting person ceases to provide services to the Issuer for any reason, all Restricted Stock Units that have not yet vested shall be forfeited without consideration except as provided in our Equity Grant Policy for Outside Directors and any other applicable agreements… Full note on SEC EDGAR
Footnote F3 (shares): RSUs vest monthly and become exercisable on the earlier of the 2027 Annual Meeting of Stockholders and May 15, 2027.
Footnote F2 (shares): If the reporting person ceases to provide services to the Issuer for any reason, all Restricted Stock Units that have not yet vested shall be forfeited without consideration except as provided in our Equity Grant Policy for Outside Directors and any other applicable agreements… Full note on SEC EDGAR
Footnote F3 (shares): RSUs vest monthly and become exercisable on the earlier of the 2027 Annual Meeting of Stockholders and May 15, 2027.
Footnote F1 (shares): The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted on August 19, 2025.
Footnote F2 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $122.23 through $123.19. Reporting person undertakes to provide, upon request by the SEC staff or a security holder of the Issuer, full information regarding the number… Full note on SEC EDGAR
Footnote F3 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $123.28 through $124.17. Reporting person undertakes to provide, upon request by the SEC staff or a security holder of the Issuer, full information regarding the number… Full note on SEC EDGAR
Footnote F4 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $124.22 through $125.20. Reporting person undertakes to provide, upon request by the SEC staff or a security holder of the Issuer, full information regarding the number… Full note on SEC EDGAR
Footnote F5 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $125.26 through $126.04. Reporting person undertakes to provide, upon request by the SEC staff or a security holder of the Issuer, full information regarding the number… Full note on SEC EDGAR
Footnote F6 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $126.37 through $127.14. Reporting person undertakes to provide, upon request by the SEC staff or a security holder of the Issuer, full information regarding the number… Full note on SEC EDGAR
Footnote F7 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $128.37 through $129.07. Reporting person undertakes to provide, upon request by the SEC staff or a security holder of the Issuer, full information regarding the number… Full note on SEC EDGAR
Footnote F8 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $129.22 through $129.42. Reporting person undertakes to provide, upon request by the SEC staff or a security holder of the Issuer, full information regarding the number… Full note on SEC EDGAR
Footnote F1 (price): These shares of common stock reflect the settlement of restricted stock units of the Issuer. Each Restricted Stock Unit (RSU) is convertible into a share of common stock on a 1-for-1 basis.
Footnote F2 (shares): Represents the number of shares withheld upon vesting of restricted stock units to cover tax withholding obligations.
Footnote F1 (price): These shares of common stock reflect the settlement of restricted stock units of the Issuer. Each Restricted Stock Unit (RSU) is convertible into a share of common stock on a 1-for-1 basis.
Footnote F2 (shares): Represents the number of shares withheld upon vesting of restricted stock units to cover tax withholding obligations.
Footnote F1 (price): These shares of common stock reflect the settlement of restricted stock units of the Issuer. Each Restricted Stock Unit (RSU) is convertible into a share of common stock on a 1-for-1 basis.
Footnote F2 (shares): Represents the number of shares withheld upon vesting of restricted stock units to cover tax withholding obligations.
Footnote F1 (shares): The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted on August 19, 2025.
Footnote F2 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $125.01 through $125.735. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number… Full note on SEC EDGAR
Footnote F3 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $126.28 through $126.90. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of… Full note on SEC EDGAR
Footnote F4 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $127.25 through $127.945. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number… Full note on SEC EDGAR
Footnote F5 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $128.05 through $128.87. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of… Full note on SEC EDGAR
Footnote F6 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $129.00 through $129.62. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of… Full note on SEC EDGAR
Footnote F1 (shares): The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted on August 19, 2025.
Footnote F2 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $93.63 through $94.48. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of… Full note on SEC EDGAR
Footnote F3 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $94.77 through $95.60. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of… Full note on SEC EDGAR
Footnote F4 (price): Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $95.66 through $95.87. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of… Full note on SEC EDGAR
An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
FORMFACTOR INC (FORM) had 7 insider filings in the last 90 days, with the most recent on 2026-09-17. The full record for FORM runs to 86 Form 4 filings, the earliest from 2024-10-02. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying FORM stock?
No insider purchases of FORM were filed in the last 90 days.
How many insiders are selling FORM stock?
10 insider sales of FORM were filed in the last 90 days, totaling $4.13M.
Where can I see FORM SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects FORM Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Information Technology companies with insider activity
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
Kelley Steven-Waiss - Director
