Mike Slessor reports an option exercise and tax withholding on shares
By AlphaYouPublished Form 4
SLESSOR MIKE
Reporting filer
Mike Slessor reports an option exercise and tax withholding on shares, not an open-market purchase or sale, in Formfactor Inc. Form 4 filed Nov 9, 2026 lists 9 entries.
- Disclosed
- Nov 9, 2026
Reported details
9 entries| Security | Owner | Date | Code | Action | Quantity | Price | Following holdings | Reporting delay | Filed terms and references |
|---|---|---|---|---|---|---|---|---|---|
| Common Stock | SLESSOR MIKE | 2026-11-05 | M | Exercise or conversion | 3644 | 0 | 459,240 | 4 days | Filed terms
|
| Common Stock | SLESSOR MIKE | 2026-11-05 | F | Tax/exercise withholding | 2028 | 71.76 | 457,212 | 4 days | Filed terms
|
| Common Stock | SLESSOR MIKE | 2026-11-06 | M | Exercise or conversion | 6031 | 0 | 463,243 | 3 days | Filed terms
|
| Common Stock | SLESSOR MIKE | 2026-11-06 | F | Tax/exercise withholding | 3357 | 81.12 | 459,886 | 3 days | Filed terms
|
| Common Stock | SLESSOR MIKE | 2026-11-06 | M | Exercise or conversion | 2308 | 0 | 462,194 | 3 days | Filed terms
|
| Common Stock | SLESSOR MIKE | 2026-11-06 | F | Tax/exercise withholding | 1285 | 81.12 | 460,909 | 3 days | Filed terms
|
| Restricted Stock Units (derivative) | SLESSOR MIKE | 2026-11-05 | M | Exercise or conversion | 3644 | 0 | 10,932 | 4 days | Filed terms
|
| Restricted Stock Units (derivative) | SLESSOR MIKE | 2026-11-06 | M | Exercise or conversion | 6031 | 0 | 42,217 | 3 days | Filed terms
|
| Restricted Stock Units (derivative) | SLESSOR MIKE | 2026-11-06 | M | Exercise or conversion | 2308 | 0 | 25,388 | 3 days | Filed terms
|
Common Stock
- Owner
- SLESSOR MIKE
- Date
- 2026-11-05
- Code
- M
- Action
- Exercise or conversion
- Quantity
- 3644
- Price
- 0
- Following holdings
- 459,240
- Reporting delay
- 4 days
- Filed terms and references
Filed terms
- security Title: Common Stock
- transaction Date: 2026-11-05
- transaction Form Type: 4
- transaction Code: M
- equity Swap Involved: 0
- transaction Shares: 3644
- transaction Price Per Share: 0
- id: F1
- transaction Acquired Disposed Code: A
- shares Owned Following Transaction: 459240
- direct Or Indirect Ownership: D
Common Stock
- Owner
- SLESSOR MIKE
- Date
- 2026-11-05
- Code
- F
- Action
- Tax/exercise withholding
- Quantity
- 2028
- Price
- 71.76
- Following holdings
- 457,212
- Reporting delay
- 4 days
- Filed terms and references
Filed terms
- security Title: Common Stock
- transaction Date: 2026-11-05
- transaction Form Type: 4
- transaction Code: F
- equity Swap Involved: 0
- transaction Shares: 2028
- id: F2
- transaction Price Per Share: 71.76
- transaction Acquired Disposed Code: D
- shares Owned Following Transaction: 457212
- direct Or Indirect Ownership: D
Common Stock
- Owner
- SLESSOR MIKE
- Date
- 2026-11-06
- Code
- M
- Action
- Exercise or conversion
- Quantity
- 6031
- Price
- 0
- Following holdings
- 463,243
- Reporting delay
- 3 days
- Filed terms and references
Filed terms
- security Title: Common Stock
- transaction Date: 2026-11-06
- transaction Form Type: 4
- transaction Code: M
- equity Swap Involved: 0
- transaction Shares: 6031
- transaction Price Per Share: 0
- id: F1
- transaction Acquired Disposed Code: A
- shares Owned Following Transaction: 463243
- direct Or Indirect Ownership: D
Common Stock
- Owner
- SLESSOR MIKE
- Date
- 2026-11-06
- Code
- F
- Action
- Tax/exercise withholding
- Quantity
- 3357
- Price
- 81.12
- Following holdings
- 459,886
- Reporting delay
- 3 days
- Filed terms and references
Filed terms
- security Title: Common Stock
- transaction Date: 2026-11-06
- transaction Form Type: 4
- transaction Code: F
- equity Swap Involved: 0
- transaction Shares: 3357
- id: F2
- transaction Price Per Share: 81.12
- transaction Acquired Disposed Code: D
- shares Owned Following Transaction: 459886
- direct Or Indirect Ownership: D
Common Stock
- Owner
- SLESSOR MIKE
- Date
- 2026-11-06
- Code
- M
- Action
- Exercise or conversion
- Quantity
- 2308
- Price
- 0
- Following holdings
- 462,194
- Reporting delay
- 3 days
- Filed terms and references
Filed terms
- security Title: Common Stock
- transaction Date: 2026-11-06
- transaction Form Type: 4
- transaction Code: M
- equity Swap Involved: 0
- transaction Shares: 2308
- transaction Price Per Share: 0
- id: F1
- transaction Acquired Disposed Code: A
- shares Owned Following Transaction: 462194
- direct Or Indirect Ownership: D
Common Stock
- Owner
- SLESSOR MIKE
- Date
- 2026-11-06
- Code
- F
- Action
- Tax/exercise withholding
- Quantity
- 1285
- Price
- 81.12
- Following holdings
- 460,909
- Reporting delay
- 3 days
- Filed terms and references
Filed terms
- security Title: Common Stock
- transaction Date: 2026-11-06
- transaction Form Type: 4
- transaction Code: F
- equity Swap Involved: 0
- transaction Shares: 1285
- id: F2
- transaction Price Per Share: 81.12
- transaction Acquired Disposed Code: D
- shares Owned Following Transaction: 460909
- direct Or Indirect Ownership: D
Restricted Stock Units (derivative)
- Owner
- SLESSOR MIKE
- Date
- 2026-11-05
- Code
- M
- Action
- Exercise or conversion
- Quantity
- 3644
- Price
- 0
- Following holdings
- 10,932
- Reporting delay
- 4 days
- Filed terms and references
Filed terms
- security Title: Restricted Stock Units
- conversion Or Exercise Price: 0
- transaction Date: 2026-11-05
- transaction Form Type: 4
- transaction Code: M
- equity Swap Involved: 0
- transaction Shares: 3644
- transaction Price Per Share: 0
- transaction Acquired Disposed Code: D
- id: F3
- id: F4
- underlying Security Title: Common Stock
- underlying Security Shares: 3644
- shares Owned Following Transaction: 10932
- direct Or Indirect Ownership: D
Restricted Stock Units (derivative)
- Owner
- SLESSOR MIKE
- Date
- 2026-11-06
- Code
- M
- Action
- Exercise or conversion
- Quantity
- 6031
- Price
- 0
- Following holdings
- 42,217
- Reporting delay
- 3 days
- Filed terms and references
Filed terms
- security Title: Restricted Stock Units
- conversion Or Exercise Price: 0
- transaction Date: 2026-11-06
- transaction Form Type: 4
- transaction Code: M
- equity Swap Involved: 0
- transaction Shares: 6031
- transaction Price Per Share: 0
- transaction Acquired Disposed Code: D
- id: F5
- id: F4
- underlying Security Title: Common Stock
- underlying Security Shares: 6031
- shares Owned Following Transaction: 42217
- direct Or Indirect Ownership: D
Restricted Stock Units (derivative)
- Owner
- SLESSOR MIKE
- Date
- 2026-11-06
- Code
- M
- Action
- Exercise or conversion
- Quantity
- 2308
- Price
- 0
- Following holdings
- 25,388
- Reporting delay
- 3 days
- Filed terms and references
Filed terms
- security Title: Restricted Stock Units
- conversion Or Exercise Price: 0
- transaction Date: 2026-11-06
- transaction Form Type: 4
- transaction Code: M
- equity Swap Involved: 0
- transaction Shares: 2308
- transaction Price Per Share: 0
- transaction Acquired Disposed Code: D
- id: F6
- id: F4
- underlying Security Title: Common Stock
- underlying Security Shares: 2308
- shares Owned Following Transaction: 25388
- direct Or Indirect Ownership: D
Purchases, sales, grants and option exercises are different transactions. The reported code identifies the action; it does not establish a motive.
Filing context
- Quantities and prices are shown in the units filed. No trade value is inferred from their product.
- SLESSOR MIKE: CEO, Director.
- F1: 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.
- F2: Represents the number of shares withheld upon vesting of restricted stock units to cover tax withholding obligations.
- F3: The Restricted Stock Units granted on August 5, 2024 vest in twelve (12) quarterly installments beginning on November 5, 2024 and ending on August 5, 2027 and will be settled into shares of common stock on or following the vesting dates.
- F4: 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.
- F5: The Restricted Stock Units granted on August 6, 2025 vest in twelve (12) quarterly installments beginning on November 6, 2025 and ending on August 6, 2028 and will be settled into shares of common stock on or following the vesting dates.
- F6: The Restricted Stock Units granted on August 6, 2026 vest in twelve (12) quarterly installments beginning on November 6, 2026 and end on August 6, 2029 and will be settled into shares of common stocks on or following the vesting date.
Original sources
Prepared automatically from public filing data. Report a correction.