PERRITT CAPITAL MANAGEMENT INC

Holdings History for NORTHERN TECHNOLOGIES INTERNATIONAL CORP - Common Stock, par value $0.02 per share (NTIC)

Symbol: NTIC on Nasdaq
Investment type: Equity / Common Stock, par value $0.02 per share

Shares, Excluding Options vs Price

Value, Excluding Options

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025	2.2%	-0.03%	$1,329,777	169,831	-2,216	-1.3%	$7.83	Q4 2025
30 Sep 2025	0.63%	-0.01%	$1,326,484	172,047	-1,406	-0.81%	$7.71	Q3 2025
30 Jun 2025	0.66%	-0.05%	$1,285,288	173,453	-12,332	-6.6%	$7.41	Q2 2025
31 Mar 2025	1.1%	-0.08%	$1,934,028	185,785	-13,163		$10.41	Q1 2025
31 Dec 2024	1.4%	-0.03%	$2,683,817	198,948	-4,972	-2.4%	$13.49	Q4 2024
30 Sep 2024	1.3%	-0.02%	$2,506,180	203,920	-2,934	-1.4%	$12.29	Q3 2024
30 Jun 2024	1.9%	-0.4%	$3,425,504	206,854	-45,185	-18%	$16.56	Q2 2024
31 Mar 2024	1.8%	-0.03%	$3,389,932	252,039	-4,661	-1.8%	$13.45	Q1 2024
31 Dec 2023	1.7%	-0.03%	$3,026,256	256,700	-5,200	-2%	$11.79	Q4 2023
30 Sep 2023	2%	-0.03%	$3,501,603	261,900	-4,229	-1.6%	$13.37	Q3 2023
30 Jun 2023	1.6%	-0%	$2,850,242	266,129	-800	-0.3%	$10.71	Q2 2023
31 Mar 2023	1.8%	-0%	$3,208,218	266,929	-200	-0.07%	$12.02	Q1 2023
31 Dec 2022	2%	-0%	$3,555,487	267,129	-200	-0.07%	$13.31	Q4 2022
30 Sep 2022	2.3%	0%	$3,558,000	267,329	0		$13.31	Q3 2022
30 Jun 2022	1.5%	0%	$2,500,000	267,329	0		$9.35	Q2 2022
31 Mar 2022	1.7%	-0.06%	$3,213,000	267,329	-9,238	-3.3%	$12.02	Q1 2022
31 Dec 2021	2.2%	-0.05%	$4,231,000	276,567	-5,828	-2.1%	$15.30	Q4 2021
30 Sep 2021	2.4%	-0.06%	$4,294,000	282,395	-6,675	-2.3%	$15.21	Q3 2021
30 Jun 2021	2.6%	-0.13%	$5,004,000	289,070	-14,000	-4.6%	$17.31	Q2 2021
31 Mar 2021	2.5%	-0.15%	$4,607,000	303,070	-18,170	-5.7%	$15.20	Q1 2021
31 Dec 2020	2.1%	-0.02%	$3,392,000	321,240	-3,000	-0.93%	$10.56	Q4 2020
30 Sep 2020	2%	-0.14%	$2,691,000	324,240	-23,476	-6.8%	$8.30	Q3 2020
30 Jun 2020	2.1%	-0.24%	$2,775,000	347,716	-40,914	-11%	$7.98	Q2 2020
31 Mar 2020	2.4%	-0.32%	$2,876,000	388,630	-53,657	-12%	$7.40	Q1 2020
31 Dec 2019	3%	-0.22%	$6,219,000	442,287	-33,111	-7%	$14.06	Q4 2019
30 Sep 2019	2.5%	+1.2%	$5,841,000	475,398	+228,499	+93%	$12.29	Q3 2019
30 Jun 2019	2.4%	-0.07%	$6,037,000	246,899	-7,591	-3%	$24.45	Q2 2019
31 Mar 2019	2.6%	-0.08%	$6,808,000	254,490	-8,000	-3%	$26.75	Q1 2019
31 Dec 2018	3%	+0%	$7,767,000	262,490	+300	+0.11%	$29.59	Q4 2018
30 Sep 2018	2.7%	0%	$9,098,000	262,190	0		$34.70	Q3 2018
30 Jun 2018	2.7%	0%	$9,386,000	262,190	0		$35.80	Q2 2018
31 Mar 2018		0%	$8,128,000	262,190	0		$31.00 ^*	Q1 2018
31 Dec 2017	1.8%	-0.01%	$6,490,000	262,215	-800	-0.3%	$24.75	Q4 2017
30 Sep 2017	1.1%	0%	$4,366,000	263,015	0		$16.60	Q3 2017
30 Jun 2017	1.1%	-0%	$4,103,000	263,015	-600	-0.23%	$15.60	Q2 2017
31 Mar 2017	1.2%	+0.02%	$4,810,000	263,615	+4,115	+1.6%	$18.25	Q1 2017
31 Dec 2016	0.87%	-0%	$3,568,000	259,500	-1,100	-0.42%	$13.75	Q4 2016
30 Sep 2016	0.82%	+0.01%	$3,284,000	260,600	+3,100	+1.2%	$12.60	Q3 2016
30 Jun 2016	0.75%	-0.01%	$2,843,000	257,500	-4,800	-1.8%	$11.04	Q2 2016
31 Mar 2016	0.82%	+0.01%	$3,313,000	262,300	+2,500	+0.96%	$12.63	Q1 2016
31 Dec 2015	0.78%	+0.04%	$3,603,000	259,800	+14,500	+5.9%	$13.87	Q4 2015
30 Sep 2015	0.8%	0%	$3,822,000	245,300	0		$15.58	Q3 2015
30 Jun 2015	0.7%	-0%	$3,949,000	245,300	-200	-0.08%	$16.10	Q2 2015
31 Mar 2015	0.82%	-0%	$4,665,000	245,500	-300	-0.12%	$19.00	Q1 2015
31 Dec 2014	0.96%	+0%	$5,245,000	245,800	+1,200	+0.49%	$21.34	Q4 2014
30 Sep 2014	0.97%	-0.03%	$5,210,000	244,600	-8,600	-3.4%	$21.30	Q3 2014
30 Jun 2014	0.9%	+0.01%	$5,332,000	253,200	+4,200	+1.7%	$21.06	Q2 2014
31 Mar 2014	0.84%	+0.03%	$5,274,000	249,000	+7,600	+3.1%	$21.18	Q1 2014
31 Dec 2013	0.74%	0%	$4,478,000	241,400	0		$18.55	Q4 2013

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.