PROTO LABS INC

Ticker: PRLB CUSIP: 743713109 Class: EQTY

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q4 2025

Shares 28,034 Value ($000) $1 Avg Close $51.15 Range $45.10 - $55.90

Q3 2025

Shares 27,236 Value ($000) $1 Avg Close $45.82 Range $38.48 - $51.96

Q2 2025

Shares 26,033 Value ($000) $1 Avg Close $37.26 Range $29.59 - $43.00

Q1 2025

Shares 25,112 Value ($000) $1 Avg Close $39.41 Range $34.08 - $46.73

Q4 2024

Shares 24,487 Value ($000) $1 Avg Close $35.94 Range $26.35 - $45.15

Q3 2024

Shares 29,032 Value ($000) $1 Avg Close $30.51 Range $25.76 - $35.49

Q2 2024

Shares 28,053 Value ($000) $1 Avg Close $31.69 Range $29.71 - $35.74

Q1 2024

Shares 27,716 Value ($000) $1 Avg Close $36.11 Range $33.13 - $41.87

Q4 2023

Shares 28,472 Value ($000) $1 Avg Close $32.38 Range $23.01 - $40.47

Q3 2023

Shares 26,865 Value ($000) $1 Avg Close $30.19 Range $25.13 - $36.33

Q2 2023

Shares 26,462 Value ($000) $1 Avg Close $31.86 Range $27.73 - $36.38

Q1 2023

Shares 24,699 Value ($000) $1 Avg Close $30.94 Range $25.00 - $39.52

Q4 2022

Shares 22,830 Value ($000) $1 Avg Close $29.70 Range $22.04 - $40.09

Q3 2022

Shares 17,226 Value ($000) $628 Avg Close $43.34 Range $34.99 - $53.00

Q2 2022

Shares 16,044 Value ($000) $768 Avg Close $46.37 Range $39.36 - $55.10

Q1 2022

Shares 14,603 Value ($000) $772 Avg Close $52.62 Range $45.63 - $61.14

Q4 2021

Shares 14,009 Value ($000) $719 Avg Close $59.00 Range $47.57 - $79.27

Q3 2021

Shares 15,174 Value ($000) $1,011 Avg Close $78.12 Range $66.51 - $93.66

Q2 2021

Shares 15,794 Value ($000) $1,450 Avg Close $98.50 Range $82.60 - $127.65

Q1 2021

Shares 16,747 Value ($000) $2,039 Avg Close $166.30 Range $109.17 - $286.57

Q4 2020

Shares 20,034 Value ($000) $3,073 Avg Close $141.05 Range $113.62 - $203.88

Q3 2020

Shares 20,417 Value ($000) $2,644 Avg Close $131.45 Range $106.69 - $164.99

Q2 2020

Shares 21,248 Value ($000) $2,390 Avg Close $102.64 Range $66.01 - $136.85

Q1 2020

Shares 19,990 Value ($000) $1,522 Avg Close $92.67 Range $63.19 - $114.75

Q4 2019

Shares 20,922 Value ($000) $2,125 Avg Close $99.10 Range $89.02 - $107.86

Q3 2019

Shares 19,753 Value ($000) $2,017 Avg Close $101.95 Range $88.75 - $119.80

Q2 2019

Shares 19,430 Value ($000) $2,254 Avg Close $107.63 Range $97.08 - $119.98

Q1 2019

Shares 19,167 Value ($000) $2,015 Avg Close $112.20 Range $94.20 - $130.60

Q4 2018

Shares 18,286 Value ($000) $2,062 Avg Close $123.33 Range $101.03 - $163.03

Q3 2018

Shares 14,542 Value ($000) $2,352 Avg Close $141.47 Range $115.95 - $166.60

Q2 2018

Shares 15,578 Value ($000) $1,853 Avg Close $122.45 Range $111.20 - $136.40

Q1 2018

Shares 15,533 Value ($000) $1,826 Avg Close $113.00 Range $100.05 - $126.95

Q4 2017

Shares 15,479 Value ($000) $1,594 Avg Close $89.74 Range $79.06 - $109.10

Q3 2017

Shares 16,489 Value ($000) $1,324 Avg Close $72.28 Range $66.85 - $80.40

Q2 2017

Shares 16,989 Value ($000) $1,143 Avg Close $60.44 Range $48.70 - $70.10

Q1 2017

Shares 15,989 Value ($000) $817 Avg Close $52.95 Range $48.00 - $60.25

Q4 2016

Shares 13,789 Value ($000) $708 Avg Close $52.43 Range $43.10 - $59.65

Q3 2016

Shares 12,389 Value ($000) $742 Avg Close $57.54 Range $50.50 - $61.62

Q2 2016

Shares 506,466 Value ($000) $29,152 Avg Close $66.74 Range $55.07 - $82.06

Q1 2016

Shares 504,666 Value ($000) $38,905 Avg Close $64.57 Range $51.61 - $79.65

Q4 2015

Shares 410,136 Value ($000) $26,122 Avg Close $64.50 Range $58.84 - $69.48

Q3 2015

Shares 406,256 Value ($000) $27,219 Avg Close $71.25 Range $65.82 - $79.95

Q2 2015

Shares 337,296 Value ($000) $22,761 Avg Close $70.59 Range $65.84 - $79.00

Q1 2015

Shares 329,330 Value ($000) $23,053 Avg Close $67.69 Range $57.30 - $74.82

Q4 2014

Shares 172,915 Value ($000) $11,613 Avg Close $65.74 Range $54.97 - $73.46

Q1 2014

Shares 44,000 Value ($000) $2,977 Avg Close $74.38 Range $62.09 - $84.00

Q4 2013

Shares 68,900 Value ($000) $4,904 Avg Close $77.51 Range $65.52 - $89.97

Q3 2013

Shares 80,500 Value ($000) $6,149 Avg Close $69.23 Range $61.46 - $80.66

Q2 2013

Shares 281,560 Value ($000) $18,293 Avg Close $53.72 Range $43.62 - $67.40

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	28,034	$1	$51.15	$45.10 - $55.90
Q3 2025	27,236	$1	$45.82	$38.48 - $51.96
Q2 2025	26,033	$1	$37.26	$29.59 - $43.00
Q1 2025	25,112	$1	$39.41	$34.08 - $46.73
Q4 2024	24,487	$1	$35.94	$26.35 - $45.15
Q3 2024	29,032	$1	$30.51	$25.76 - $35.49
Q2 2024	28,053	$1	$31.69	$29.71 - $35.74
Q1 2024	27,716	$1	$36.11	$33.13 - $41.87
Q4 2023	28,472	$1	$32.38	$23.01 - $40.47
Q3 2023	26,865	$1	$30.19	$25.13 - $36.33
Q2 2023	26,462	$1	$31.86	$27.73 - $36.38
Q1 2023	24,699	$1	$30.94	$25.00 - $39.52
Q4 2022	22,830	$1	$29.70	$22.04 - $40.09
Q3 2022	17,226	$628	$43.34	$34.99 - $53.00
Q2 2022	16,044	$768	$46.37	$39.36 - $55.10
Q1 2022	14,603	$772	$52.62	$45.63 - $61.14
Q4 2021	14,009	$719	$59.00	$47.57 - $79.27
Q3 2021	15,174	$1,011	$78.12	$66.51 - $93.66
Q2 2021	15,794	$1,450	$98.50	$82.60 - $127.65
Q1 2021	16,747	$2,039	$166.30	$109.17 - $286.57
Q4 2020	20,034	$3,073	$141.05	$113.62 - $203.88
Q3 2020	20,417	$2,644	$131.45	$106.69 - $164.99
Q2 2020	21,248	$2,390	$102.64	$66.01 - $136.85
Q1 2020	19,990	$1,522	$92.67	$63.19 - $114.75
Q4 2019	20,922	$2,125	$99.10	$89.02 - $107.86
Q3 2019	19,753	$2,017	$101.95	$88.75 - $119.80
Q2 2019	19,430	$2,254	$107.63	$97.08 - $119.98
Q1 2019	19,167	$2,015	$112.20	$94.20 - $130.60
Q4 2018	18,286	$2,062	$123.33	$101.03 - $163.03
Q3 2018	14,542	$2,352	$141.47	$115.95 - $166.60
Q2 2018	15,578	$1,853	$122.45	$111.20 - $136.40
Q1 2018	15,533	$1,826	$113.00	$100.05 - $126.95
Q4 2017	15,479	$1,594	$89.74	$79.06 - $109.10
Q3 2017	16,489	$1,324	$72.28	$66.85 - $80.40
Q2 2017	16,989	$1,143	$60.44	$48.70 - $70.10
Q1 2017	15,989	$817	$52.95	$48.00 - $60.25
Q4 2016	13,789	$708	$52.43	$43.10 - $59.65
Q3 2016	12,389	$742	$57.54	$50.50 - $61.62
Q2 2016	506,466	$29,152	$66.74	$55.07 - $82.06
Q1 2016	504,666	$38,905	$64.57	$51.61 - $79.65
Q4 2015	410,136	$26,122	$64.50	$58.84 - $69.48
Q3 2015	406,256	$27,219	$71.25	$65.82 - $79.95
Q2 2015	337,296	$22,761	$70.59	$65.84 - $79.00
Q1 2015	329,330	$23,053	$67.69	$57.30 - $74.82
Q4 2014	172,915	$11,613	$65.74	$54.97 - $73.46
Q1 2014	44,000	$2,977	$74.38	$62.09 - $84.00
Q4 2013	68,900	$4,904	$77.51	$65.52 - $89.97
Q3 2013	80,500	$6,149	$69.23	$61.46 - $80.66
Q2 2013	281,560	$18,293	$53.72	$43.62 - $67.40