Formfactor Inc - FORM

  1. All Sectors
  2. Manufacturing
  3. Electronics
  4. Semiconductors & Related Devices
Latest data: 4/2/2026 10:07:19 PM
EDGAR CIK 0001039399

Buy Breakdown

Total $0

Sell Breakdown

Total $6,916,594

Monthly Totals

Transaction Filed Name Type Shares @ Price Value Balance change Ownership
03/18/2026
10b5-1
03/18/2026
Slessor Mike
CEO
CEO Director
Sell
-10,227 @ $95.15
($973,076.31)
 460,859 (-2.17%) Direct
03/05/2026
10b5-1
03/06/2026
Mckinnis Aric Brendan
CFO, SVP Global Finance
CFO
Sell
-3,462 @ $90.42
($313,034.04)
 11,140 (-23.71%) Direct
02/18/2026
10b5-1
02/18/2026
Slessor Mike
CEO
CEO Director
Sell
-8,664 @ $94.14
($815,596.72)
 471,086 (-1.81%) Direct
01/15/2026
10b5-1
01/15/2026
Slessor Mike
CEO
CEO Director
Sell
-13,088 @ $76.81
($1,005,266.56)
 472,907 (-2.69%) Direct
01/06/2026
10b5-1
01/06/2026
Slessor Mike
CEO
CEO Director
Sell
-39,606 @ $65.00
($2,574,390.00)
 485,995 (-7.54%) Direct
12/17/2025
10b5-1
12/17/2025
Slessor Mike
CEO
CEO Director
Sell
-7,669 @ $56.36
($432,220.80)
 525,601 (-1.44%) Direct
11/19/2025
10b5-1
11/19/2025
Slessor Mike
CEO
CEO Director
Sell
-8,403 @ $50.06
($420,689.75)
 533,270 (-1.55%) Direct
07/01/2025
10b5-1
07/02/2025
Slessor Mike
CEO
CEO Director
Sell
-4,000 @ $34.03
($136,120.00)
 506,895 (-0.78%) Direct
06/02/2025
10b5-1
06/03/2025
Slessor Mike
CEO
CEO Director
Sell
-4,000 @ $29.83
($119,320.00)
 510,895 (-0.78%) Direct
05/01/2025
10b5-1
05/01/2025
Slessor Mike
CEO
CEO Director
Sell
-4,000 @ $31.72
($126,880.00)
 510,650 (-0.78%) Direct