WILLDAN GROUP INC

Ticker: WLDN CUSIP: 96924N100 Class: Common Stock

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q4 2025

Shares 287,278 Value ($000) $29,785 Avg Close $98.45 Range $82.67 - $115.93

Q3 2025

Shares 284,201 Value ($000) $27,479 Avg Close $94.65 Range $62.16 - $121.00

Q2 2025

Shares 430,445 Value ($000) $26,907 Avg Close $47.69 Range $36.43 - $63.24

Q1 2025

Shares 479,447 Value ($000) $19,523 Avg Close $36.98 Range $30.43 - $43.34

Q4 2024

Shares 419,319 Value ($000) $15,972 Avg Close $42.90 Range $37.45 - $50.00

Q3 2024

Shares 370,102 Value ($000) $15,156 Avg Close $35.93 Range $28.57 - $41.55

Q2 2024

Shares 324,145 Value ($000) $9,351 Avg Close $29.83 Range $25.91 - $34.81

Q1 2024

Shares 282,778 Value ($000) $8,198 Avg Close $21.77 Range $17.23 - $30.46

Q4 2023

Shares 265,611 Value ($000) $5,711 Avg Close $19.87 Range $17.09 - $23.01

Q3 2023

Shares 245,352 Value ($000) $5,012 Avg Close $21.20 Range $17.27 - $25.38

Q2 2023

Shares 257,782 Value ($000) $4,939 Avg Close $16.81 Range $13.86 - $20.30

Q1 2023

Shares 238,271 Value ($000) $3,721 Avg Close $17.94 Range $14.08 - $22.08

Q4 2022

Shares 231,018 Value ($000) $4 Avg Close $15.40 Range $10.98 - $18.99

Q3 2022

Shares 245,886 Value ($000) $3,641 Avg Close $23.93 Range $14.30 - $29.71

Q2 2022

Shares 242,917 Value ($000) $6,698 Avg Close $27.33 Range $23.11 - $32.77

Q1 2022

Shares 219,618 Value ($000) $6,741 Avg Close $31.13 Range $26.07 - $35.58

Q4 2021

Shares 203,124 Value ($000) $7,150 Avg Close $37.27 Range $30.01 - $43.22

Q3 2021

Shares 203,535 Value ($000) $7,243 Avg Close $37.67 Range $32.22 - $43.00

Q2 2021

Shares 200,707 Value ($000) $7,554 Avg Close $38.63 Range $35.48 - $44.57

Q1 2021

Shares 190,953 Value ($000) $7,837 Avg Close $45.99 Range $34.07 - $54.99

Q4 2020

Shares 187,948 Value ($000) $7,837 Avg Close $34.73 Range $25.64 - $45.56

Q3 2020

Shares 183,106 Value ($000) $4,675 Avg Close $26.96 Range $22.07 - $30.08

Q2 2020

Shares 207,928 Value ($000) $5,200 Avg Close $23.00 Range $18.00 - $28.20

Q1 2020

Shares 248,549 Value ($000) $5,311 Avg Close $30.80 Range $17.92 - $38.39

Q4 2019

Shares 330,824 Value ($000) $10,514 Avg Close $31.68 Range $26.39 - $39.64

Q3 2019

Shares 450,519 Value ($000) $15,804 Avg Close $35.68 Range $31.15 - $39.96

Q2 2019

Shares 472,533 Value ($000) $17,602 Avg Close $36.15 Range $30.63 - $40.70

Q1 2019

Shares 472,970 Value ($000) $17,532 Avg Close $35.58 Range $32.22 - $39.19

Q4 2018

Shares 467,741 Value ($000) $16,361 Avg Close $34.22 Range $29.06 - $39.00

Q3 2018

Shares 463,647 Value ($000) $15,746 Avg Close $31.19 Range $27.61 - $35.11

Q2 2018

Shares 444,378 Value ($000) $13,762 Avg Close $28.86 Range $25.11 - $31.37

Q1 2018

Shares 430,542 Value ($000) $12,206 Avg Close $23.40 Range $19.25 - $28.53

Q4 2017

Shares 430,363 Value ($000) $10,303 Avg Close $27.13 Range $23.20 - $33.75

Q3 2017

Shares 414,920 Value ($000) $13,468 Avg Close $32.00 Range $28.04 - $36.87

Q2 2017

Shares 408,688 Value ($000) $12,485 Avg Close $31.33 Range $27.50 - $34.89

Q1 2017

Shares 378,658 Value ($000) $12,216 Avg Close $28.51 Range $21.36 - $36.39

Q4 2016

Shares 302,315 Value ($000) $6,829 Avg Close $20.30 Range $15.25 - $26.49

Q3 2016

Shares 246,166 Value ($000) $4,320 Avg Close $14.37 Range $10.02 - $19.15

Q2 2016

Shares 217,341 Value ($000) $2,308 Avg Close $10.46 Range $9.55 - $11.53

Q1 2016

Shares 214,557 Value ($000) $2,070 Avg Close $8.32 Range $7.10 - $9.75

Q4 2015

Shares 211,857 Value ($000) $1,775 Avg Close $9.97 Range $6.95 - $12.02

Q3 2015

Shares 202,068 Value ($000) $2,049 Avg Close $10.26 Range $8.04 - $11.55

Q2 2015

Shares 214,217 Value ($000) $2,395 Avg Close $14.07 Range $10.01 - $16.26

Q1 2015

Shares 245,073 Value ($000) $3,882 Avg Close $13.79 Range $11.37 - $15.94

Q4 2014

Shares 210,472 Value ($000) $2,839 Avg Close $14.72 Range $10.55 - $18.92

Q3 2014

Shares 176,734 Value ($000) $2,556 Avg Close $10.41 Range $7.11 - $15.43

Q2 2014

Shares 148,171 Value ($000) $1,285 Avg Close $5.77 Range $4.41 - $8.87

Q1 2014

Shares 136,371 Value ($000) $618 Avg Close $4.69 Range $4.34 - $5.34

Q4 2013

Shares 132,071 Value ($000) $711 Avg Close $3.94 Range $3.46 - $6.24

Q3 2013

Shares 132,071 Value ($000) $489 Avg Close $3.22 Range $2.43 - $3.95

Q2 2013

Shares 132,271 Value ($000) $382 Avg Close $2.63 Range $2.18 - $3.80

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	287,278	$29,785	$98.45	$82.67 - $115.93
Q3 2025	284,201	$27,479	$94.65	$62.16 - $121.00
Q2 2025	430,445	$26,907	$47.69	$36.43 - $63.24
Q1 2025	479,447	$19,523	$36.98	$30.43 - $43.34
Q4 2024	419,319	$15,972	$42.90	$37.45 - $50.00
Q3 2024	370,102	$15,156	$35.93	$28.57 - $41.55
Q2 2024	324,145	$9,351	$29.83	$25.91 - $34.81
Q1 2024	282,778	$8,198	$21.77	$17.23 - $30.46
Q4 2023	265,611	$5,711	$19.87	$17.09 - $23.01
Q3 2023	245,352	$5,012	$21.20	$17.27 - $25.38
Q2 2023	257,782	$4,939	$16.81	$13.86 - $20.30
Q1 2023	238,271	$3,721	$17.94	$14.08 - $22.08
Q4 2022	231,018	$4	$15.40	$10.98 - $18.99
Q3 2022	245,886	$3,641	$23.93	$14.30 - $29.71
Q2 2022	242,917	$6,698	$27.33	$23.11 - $32.77
Q1 2022	219,618	$6,741	$31.13	$26.07 - $35.58
Q4 2021	203,124	$7,150	$37.27	$30.01 - $43.22
Q3 2021	203,535	$7,243	$37.67	$32.22 - $43.00
Q2 2021	200,707	$7,554	$38.63	$35.48 - $44.57
Q1 2021	190,953	$7,837	$45.99	$34.07 - $54.99
Q4 2020	187,948	$7,837	$34.73	$25.64 - $45.56
Q3 2020	183,106	$4,675	$26.96	$22.07 - $30.08
Q2 2020	207,928	$5,200	$23.00	$18.00 - $28.20
Q1 2020	248,549	$5,311	$30.80	$17.92 - $38.39
Q4 2019	330,824	$10,514	$31.68	$26.39 - $39.64
Q3 2019	450,519	$15,804	$35.68	$31.15 - $39.96
Q2 2019	472,533	$17,602	$36.15	$30.63 - $40.70
Q1 2019	472,970	$17,532	$35.58	$32.22 - $39.19
Q4 2018	467,741	$16,361	$34.22	$29.06 - $39.00
Q3 2018	463,647	$15,746	$31.19	$27.61 - $35.11
Q2 2018	444,378	$13,762	$28.86	$25.11 - $31.37
Q1 2018	430,542	$12,206	$23.40	$19.25 - $28.53
Q4 2017	430,363	$10,303	$27.13	$23.20 - $33.75
Q3 2017	414,920	$13,468	$32.00	$28.04 - $36.87
Q2 2017	408,688	$12,485	$31.33	$27.50 - $34.89
Q1 2017	378,658	$12,216	$28.51	$21.36 - $36.39
Q4 2016	302,315	$6,829	$20.30	$15.25 - $26.49
Q3 2016	246,166	$4,320	$14.37	$10.02 - $19.15
Q2 2016	217,341	$2,308	$10.46	$9.55 - $11.53
Q1 2016	214,557	$2,070	$8.32	$7.10 - $9.75
Q4 2015	211,857	$1,775	$9.97	$6.95 - $12.02
Q3 2015	202,068	$2,049	$10.26	$8.04 - $11.55
Q2 2015	214,217	$2,395	$14.07	$10.01 - $16.26
Q1 2015	245,073	$3,882	$13.79	$11.37 - $15.94
Q4 2014	210,472	$2,839	$14.72	$10.55 - $18.92
Q3 2014	176,734	$2,556	$10.41	$7.11 - $15.43
Q2 2014	148,171	$1,285	$5.77	$4.41 - $8.87
Q1 2014	136,371	$618	$4.69	$4.34 - $5.34
Q4 2013	132,071	$711	$3.94	$3.46 - $6.24
Q3 2013	132,071	$489	$3.22	$2.43 - $3.95
Q2 2013	132,271	$382	$2.63	$2.18 - $3.80