FORMFACTOR INC

Ticker: FORM CUSIP: 346375108 Class: EQTY

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 73,385 Value ($000) $4,093 Avg Close $50.39 Range $36.05 - $61.10

Q3 2025

Shares 83,016 Value ($000) $3,023 Avg Close $32.19 Range $26.08 - $38.66

Q2 2025

Shares 101,522 Value ($000) $3,493 Avg Close $30.37 Range $22.58 - $35.88

Q1 2025

Shares 86,707 Value ($000) $2,453 Avg Close $36.76 Range $27.55 - $48.69

Q4 2024

Shares 76,683 Value ($000) $3,374 Avg Close $42.98 Range $37.25 - $50.79

Q3 2024

Shares 76,574 Value ($000) $3,522 Avg Close $49.90 Range $37.73 - $63.63

Q2 2024

Shares 76,574 Value ($000) $4,635 Avg Close $52.14 Range $40.18 - $62.68

Q1 2024

Shares 103,305 Value ($000) $4,714 Avg Close $41.65 Range $37.21 - $46.83

Q4 2023

Shares 124,477 Value ($000) $5,192 Avg Close $36.58 Range $31.51 - $42.38

Q3 2023

Shares 91,399 Value ($000) $3,193 Avg Close $33.62 Range $29.50 - $37.74

Q2 2023

Shares 120,504 Value ($000) $4,124 Avg Close $29.88 Range $24.88 - $34.40

Q1 2023

Shares 124,107 Value ($000) $3,953 Avg Close $28.65 Range $21.71 - $34.86

Q4 2022

Shares 152,216 Value ($000) $3,384 Avg Close $23.31 Range $18.15 - $28.27

Q3 2022

Shares 157,151 Value ($000) $3,937 Avg Close $32.47 Range $24.86 - $41.00

Q2 2022

Shares 149,078 Value ($000) $5,774 Avg Close $38.58 Range $33.77 - $43.29

Q1 2022

Shares 148,282 Value ($000) $6,232 Avg Close $41.63 Range $36.84 - $47.48

Q4 2021

Shares 133,482 Value ($000) $6,103 Avg Close $40.94 Range $34.72 - $46.60

Q3 2021

Shares 163,382 Value ($000) $6,099 Avg Close $37.21 Range $32.71 - $40.67

Q2 2021

Shares 177,682 Value ($000) $6,478 Avg Close $39.42 Range $32.69 - $51.37

Q1 2021

Shares 177,682 Value ($000) $8,015 Avg Close $45.48 Range $40.20 - $52.39

Q4 2020

Shares 194,782 Value ($000) $8,380 Avg Close $36.12 Range $24.89 - $45.92

Q3 2020

Shares 254,082 Value ($000) $6,334 Avg Close $27.88 Range $22.37 - $33.07

Q2 2020

Shares 211,582 Value ($000) $6,206 Avg Close $24.66 Range $17.16 - $30.99

Q1 2020

Shares 209,382 Value ($000) $4,206 Avg Close $23.88 Range $16.35 - $28.58

Q4 2019

Shares 224,266 Value ($000) $5,824 Avg Close $22.55 Range $18.43 - $26.30

Q3 2019

Shares 417,166 Value ($000) $7,778 Avg Close $17.10 Range $15.03 - $19.90

Q2 2019

Shares 496,700 Value ($000) $7,783 Avg Close $16.37 Range $14.20 - $19.27

Q1 2019

Shares 491,200 Value ($000) $7,903 Avg Close $15.08 Range $12.87 - $16.75

Q4 2018

Shares 390,000 Value ($000) $5,495 Avg Close $13.94 Range $11.38 - $16.83

Q3 2018

Shares 550,000 Value ($000) $7,562 Avg Close $13.79 Range $12.65 - $15.98

Q2 2018

Shares 550,000 Value ($000) $7,315 Avg Close $13.55 Range $11.10 - $15.10

Q1 2018

Shares 550,000 Value ($000) $7,507 Avg Close $14.46 Range $11.30 - $17.15

Q4 2017

Shares 550,000 Value ($000) $8,607 Avg Close $16.73 Range $14.75 - $18.65

Q3 2017

Shares 600,000 Value ($000) $10,110 Avg Close $14.22 Range $11.80 - $16.95

Q2 2017

Shares 575,000 Value ($000) $7,130 Avg Close $12.90 Range $10.45 - $15.58

Q1 2017

Shares 593,447 Value ($000) $7,032 Avg Close $11.59 Range $10.60 - $13.15

Q4 2016

Shares 553,447 Value ($000) $6,199 Avg Close $10.66 Range $8.55 - $12.05

Q3 2016

Shares 460,000 Value ($000) $4,991 Avg Close $10.06 Range $8.53 - $11.19

Q2 2016

Shares 495,000 Value ($000) $4,450 Avg Close $7.52 Range $6.48 - $9.18

Q1 2016

Shares 480,960 Value ($000) $3,497 Avg Close $7.60 Range $6.15 - $8.98

Q4 2015

Shares 400,000 Value ($000) $3,600 Avg Close $8.30 Range $6.36 - $9.37

Q3 2015

Shares 400,000 Value ($000) $2,712 Avg Close $6.99 Range $5.73 - $9.39

Q2 2015

Shares 450,000 Value ($000) $4,140 Avg Close $9.07 Range $7.34 - $9.66

Q1 2015

Shares 450,000 Value ($000) $3,991 Avg Close $8.69 Range $7.35 - $10.29

Q4 2014

Shares 417,000 Value ($000) $3,586 Avg Close $7.85 Range $5.83 - $9.08

Q3 2014

Shares 510,000 Value ($000) $3,657 Avg Close $7.42 Range $6.52 - $8.50

Q2 2014

Shares 439,200 Value ($000) $3,654 Avg Close $6.64 Range $5.28 - $8.42

Q1 2014

Shares 280,941 Value ($000) $1,795 Avg Close $6.65 Range $5.87 - $7.37

Q4 2013

Shares 280,941 Value ($000) $1,691 Avg Close $5.72 Range $4.99 - $6.95

Q3 2013

Shares 280,941 Value ($000) $1,927 Avg Close $6.80 Range $5.86 - $7.75

Q2 2013

Shares 300,000 Value ($000) $2,025 Avg Close $5.48 Range $4.30 - $7.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	73,385	$4,093	$50.39	$36.05 - $61.10
Q3 2025	83,016	$3,023	$32.19	$26.08 - $38.66
Q2 2025	101,522	$3,493	$30.37	$22.58 - $35.88
Q1 2025	86,707	$2,453	$36.76	$27.55 - $48.69
Q4 2024	76,683	$3,374	$42.98	$37.25 - $50.79
Q3 2024	76,574	$3,522	$49.90	$37.73 - $63.63
Q2 2024	76,574	$4,635	$52.14	$40.18 - $62.68
Q1 2024	103,305	$4,714	$41.65	$37.21 - $46.83
Q4 2023	124,477	$5,192	$36.58	$31.51 - $42.38
Q3 2023	91,399	$3,193	$33.62	$29.50 - $37.74
Q2 2023	120,504	$4,124	$29.88	$24.88 - $34.40
Q1 2023	124,107	$3,953	$28.65	$21.71 - $34.86
Q4 2022	152,216	$3,384	$23.31	$18.15 - $28.27
Q3 2022	157,151	$3,937	$32.47	$24.86 - $41.00
Q2 2022	149,078	$5,774	$38.58	$33.77 - $43.29
Q1 2022	148,282	$6,232	$41.63	$36.84 - $47.48
Q4 2021	133,482	$6,103	$40.94	$34.72 - $46.60
Q3 2021	163,382	$6,099	$37.21	$32.71 - $40.67
Q2 2021	177,682	$6,478	$39.42	$32.69 - $51.37
Q1 2021	177,682	$8,015	$45.48	$40.20 - $52.39
Q4 2020	194,782	$8,380	$36.12	$24.89 - $45.92
Q3 2020	254,082	$6,334	$27.88	$22.37 - $33.07
Q2 2020	211,582	$6,206	$24.66	$17.16 - $30.99
Q1 2020	209,382	$4,206	$23.88	$16.35 - $28.58
Q4 2019	224,266	$5,824	$22.55	$18.43 - $26.30
Q3 2019	417,166	$7,778	$17.10	$15.03 - $19.90
Q2 2019	496,700	$7,783	$16.37	$14.20 - $19.27
Q1 2019	491,200	$7,903	$15.08	$12.87 - $16.75
Q4 2018	390,000	$5,495	$13.94	$11.38 - $16.83
Q3 2018	550,000	$7,562	$13.79	$12.65 - $15.98
Q2 2018	550,000	$7,315	$13.55	$11.10 - $15.10
Q1 2018	550,000	$7,507	$14.46	$11.30 - $17.15
Q4 2017	550,000	$8,607	$16.73	$14.75 - $18.65
Q3 2017	600,000	$10,110	$14.22	$11.80 - $16.95
Q2 2017	575,000	$7,130	$12.90	$10.45 - $15.58
Q1 2017	593,447	$7,032	$11.59	$10.60 - $13.15
Q4 2016	553,447	$6,199	$10.66	$8.55 - $12.05
Q3 2016	460,000	$4,991	$10.06	$8.53 - $11.19
Q2 2016	495,000	$4,450	$7.52	$6.48 - $9.18
Q1 2016	480,960	$3,497	$7.60	$6.15 - $8.98
Q4 2015	400,000	$3,600	$8.30	$6.36 - $9.37
Q3 2015	400,000	$2,712	$6.99	$5.73 - $9.39
Q2 2015	450,000	$4,140	$9.07	$7.34 - $9.66
Q1 2015	450,000	$3,991	$8.69	$7.35 - $10.29
Q4 2014	417,000	$3,586	$7.85	$5.83 - $9.08
Q3 2014	510,000	$3,657	$7.42	$6.52 - $8.50
Q2 2014	439,200	$3,654	$6.64	$5.28 - $8.42
Q1 2014	280,941	$1,795	$6.65	$5.87 - $7.37
Q4 2013	280,941	$1,691	$5.72	$4.99 - $6.95
Q3 2013	280,941	$1,927	$6.80	$5.86 - $7.75
Q2 2013	300,000	$2,025	$5.48	$4.30 - $7.00