NORTHERN TECHNOLOGIES INTL C

Ticker: NTIC CUSIP: 665809109 Class: Common Stock

PERRITT CAPITAL MANAGEMENT INC's Holding History (CIK: 0001279342)

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

Q4 2025

Shares 169,831 Value ($000) $1,330 Avg Close $7.67 Range $7.34 - $8.30

Q3 2025

Shares 172,047 Value ($000) $1,326 Avg Close $7.76 Range $7.12 - $8.94

Q2 2025

Shares 173,453 Value ($000) $1,285 Avg Close $7.61 Range $6.72 - $10.75

Q1 2025

Shares 185,785 Value ($000) $1,934 Avg Close $11.64 Range $10.35 - $13.79

Q4 2024

Shares 198,948 Value ($000) $2,684 Avg Close $13.03 Range $11.61 - $14.93

Q3 2024

Shares 203,920 Value ($000) $2,506 Avg Close $12.96 Range $11.53 - $16.69

Q2 2024

Shares 206,854 Value ($000) $3,426 Avg Close $16.25 Range $11.40 - $19.21

Q1 2024

Shares 252,039 Value ($000) $3,390 Avg Close $12.86 Range $11.17 - $14.59

Q4 2023

Shares 256,700 Value ($000) $3,026 Avg Close $11.49 Range $9.77 - $12.99

Q3 2023

Shares 261,900 Value ($000) $3,502 Avg Close $12.14 Range $10.13 - $13.41

Q2 2023

Shares 266,129 Value ($000) $2,850 Avg Close $10.91 Range $9.68 - $12.39

Q1 2023

Shares 266,929 Value ($000) $3,208 Avg Close $12.04 Range $11.11 - $12.84

Q4 2022

Shares 267,129 Value ($000) $3,555 Avg Close $12.33 Range $11.28 - $14.14

Q3 2022

Shares 267,329 Value ($000) $3,558 Avg Close $10.59 Range $8.71 - $12.96

Q2 2022

Shares 267,329 Value ($000) $2,500 Avg Close $10.26 Range $8.48 - $11.76

Q1 2022

Shares 267,329 Value ($000) $3,213 Avg Close $12.22 Range $11.00 - $14.65

Q4 2021

Shares 276,567 Value ($000) $4,231 Avg Close $14.44 Range $11.72 - $16.59

Q3 2021

Shares 282,395 Value ($000) $4,294 Avg Close $16.41 Range $13.82 - $19.74

Q2 2021

Shares 289,070 Value ($000) $5,004 Avg Close $14.82 Range $12.85 - $16.53

Q1 2021

Shares 303,070 Value ($000) $4,607 Avg Close $13.43 Range $9.35 - $15.87

Q4 2020

Shares 321,240 Value ($000) $3,392 Avg Close $8.31 Range $7.11 - $9.61

Q3 2020

Shares 324,240 Value ($000) $2,691 Avg Close $7.70 Range $5.92 - $8.56

Q2 2020

Shares 347,716 Value ($000) $2,775 Avg Close $6.97 Range $5.13 - $10.86

Q1 2020

Shares 388,630 Value ($000) $2,876 Avg Close $10.82 Range $4.28 - $13.48

Q4 2019

Shares 442,287 Value ($000) $6,219 Avg Close $11.38 Range $10.62 - $13.29

Q3 2019

Shares 475,398 Value ($000) $5,841 Avg Close $10.29 Range $8.98 - $11.65

Q2 2019

Shares 246,899 Value ($000) $6,037 Avg Close $11.35 Range $10.42 - $12.63

Q1 2019

Shares 254,490 Value ($000) $6,808 Avg Close $13.10 Range $11.43 - $14.34

Q4 2018

Shares 262,490 Value ($000) $7,767 Avg Close $14.26 Range $11.21 - $15.90

Q3 2018

Shares 262,190 Value ($000) $9,098 Avg Close $15.83 Range $13.55 - $18.49

Q2 2018

Shares 262,190 Value ($000) $9,386 Avg Close $13.25 Range $9.42 - $15.97

Q1 2018

Shares 262,190 Value ($000) $8,128 Avg Close $10.21 Range $8.60 - $11.82

Q4 2017

Shares 262,215 Value ($000) $6,490 Avg Close $8.14 Range $6.86 - $11.60

Q3 2017

Shares 263,015 Value ($000) $4,366 Avg Close $7.47 Range $6.51 - $8.15

Q2 2017

Shares 263,015 Value ($000) $4,103 Avg Close $7.27 Range $6.54 - $8.00

Q1 2017

Shares 263,615 Value ($000) $4,810 Avg Close $6.79 Range $5.73 - $8.41

Q4 2016

Shares 259,500 Value ($000) $3,568 Avg Close $5.86 Range $5.45 - $6.21

Q3 2016

Shares 260,600 Value ($000) $3,284 Avg Close $5.81 Range $4.40 - $6.51

Q2 2016

Shares 257,500 Value ($000) $2,843 Avg Close $5.59 Range $4.36 - $6.51

Q1 2016

Shares 262,300 Value ($000) $3,313 Avg Close $5.07 Range $4.18 - $6.12

Q4 2015

Shares 259,800 Value ($000) $3,603 Avg Close $6.74 Range $5.71 - $7.84

Q3 2015

Shares 245,300 Value ($000) $3,822 Avg Close $7.03 Range $6.28 - $8.05

Q2 2015

Shares 245,300 Value ($000) $3,949 Avg Close $7.50 Range $6.99 - $8.34

Q1 2015

Shares 245,500 Value ($000) $4,665 Avg Close $9.11 Range $7.72 - $10.83

Q4 2014

Shares 245,800 Value ($000) $5,245 Avg Close $8.89 Range $7.73 - $10.46

Q3 2014

Shares 244,600 Value ($000) $5,210 Avg Close $8.86 Range $7.10 - $9.63

Q2 2014

Shares 253,200 Value ($000) $5,332 Avg Close $9.15 Range $8.41 - $9.67

Q1 2014

Shares 249,000 Value ($000) $5,274 Avg Close $8.75 Range $7.75 - $10.38

Q4 2013

Shares 241,400 Value ($000) $4,478 Avg Close $7.74 Range $6.91 - $8.28

Q3 2013

Shares 240,400 Value ($000) $4,087 Avg Close $6.05 Range $4.75 - $7.41

Q2 2013

Shares 229,900 Value ($000) $2,575 Avg Close $4.86 Range $4.47 - $5.73

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	169,831	$1,330	$7.67	$7.34 - $8.30
Q3 2025	172,047	$1,326	$7.76	$7.12 - $8.94
Q2 2025	173,453	$1,285	$7.61	$6.72 - $10.75
Q1 2025	185,785	$1,934	$11.64	$10.35 - $13.79
Q4 2024	198,948	$2,684	$13.03	$11.61 - $14.93
Q3 2024	203,920	$2,506	$12.96	$11.53 - $16.69
Q2 2024	206,854	$3,426	$16.25	$11.40 - $19.21
Q1 2024	252,039	$3,390	$12.86	$11.17 - $14.59
Q4 2023	256,700	$3,026	$11.49	$9.77 - $12.99
Q3 2023	261,900	$3,502	$12.14	$10.13 - $13.41
Q2 2023	266,129	$2,850	$10.91	$9.68 - $12.39
Q1 2023	266,929	$3,208	$12.04	$11.11 - $12.84
Q4 2022	267,129	$3,555	$12.33	$11.28 - $14.14
Q3 2022	267,329	$3,558	$10.59	$8.71 - $12.96
Q2 2022	267,329	$2,500	$10.26	$8.48 - $11.76
Q1 2022	267,329	$3,213	$12.22	$11.00 - $14.65
Q4 2021	276,567	$4,231	$14.44	$11.72 - $16.59
Q3 2021	282,395	$4,294	$16.41	$13.82 - $19.74
Q2 2021	289,070	$5,004	$14.82	$12.85 - $16.53
Q1 2021	303,070	$4,607	$13.43	$9.35 - $15.87
Q4 2020	321,240	$3,392	$8.31	$7.11 - $9.61
Q3 2020	324,240	$2,691	$7.70	$5.92 - $8.56
Q2 2020	347,716	$2,775	$6.97	$5.13 - $10.86
Q1 2020	388,630	$2,876	$10.82	$4.28 - $13.48
Q4 2019	442,287	$6,219	$11.38	$10.62 - $13.29
Q3 2019	475,398	$5,841	$10.29	$8.98 - $11.65
Q2 2019	246,899	$6,037	$11.35	$10.42 - $12.63
Q1 2019	254,490	$6,808	$13.10	$11.43 - $14.34
Q4 2018	262,490	$7,767	$14.26	$11.21 - $15.90
Q3 2018	262,190	$9,098	$15.83	$13.55 - $18.49
Q2 2018	262,190	$9,386	$13.25	$9.42 - $15.97
Q1 2018	262,190	$8,128	$10.21	$8.60 - $11.82
Q4 2017	262,215	$6,490	$8.14	$6.86 - $11.60
Q3 2017	263,015	$4,366	$7.47	$6.51 - $8.15
Q2 2017	263,015	$4,103	$7.27	$6.54 - $8.00
Q1 2017	263,615	$4,810	$6.79	$5.73 - $8.41
Q4 2016	259,500	$3,568	$5.86	$5.45 - $6.21
Q3 2016	260,600	$3,284	$5.81	$4.40 - $6.51
Q2 2016	257,500	$2,843	$5.59	$4.36 - $6.51
Q1 2016	262,300	$3,313	$5.07	$4.18 - $6.12
Q4 2015	259,800	$3,603	$6.74	$5.71 - $7.84
Q3 2015	245,300	$3,822	$7.03	$6.28 - $8.05
Q2 2015	245,300	$3,949	$7.50	$6.99 - $8.34
Q1 2015	245,500	$4,665	$9.11	$7.72 - $10.83
Q4 2014	245,800	$5,245	$8.89	$7.73 - $10.46
Q3 2014	244,600	$5,210	$8.86	$7.10 - $9.63
Q2 2014	253,200	$5,332	$9.15	$8.41 - $9.67
Q1 2014	249,000	$5,274	$8.75	$7.75 - $10.38
Q4 2013	241,400	$4,478	$7.74	$6.91 - $8.28
Q3 2013	240,400	$4,087	$6.05	$4.75 - $7.41
Q2 2013	229,900	$2,575	$4.86	$4.47 - $5.73