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21 Jan 2026 |
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21 Jan 2026 |
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| 4 |
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29 Dec 2025 |
22 Dec 2025 |
000-01678 |
| SCHEDULE 13G |
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03 Nov 2025 |
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| SCHEDULE 13G/A |
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08 Jan 2025 |
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| SCHEDULE 13G |
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01 Oct 2024 |
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09 Jul 2024 |
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17 May 2024 |
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03 Jan 2024 |
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PRIMARY DOCUMENT |
02 Aug 2023 |
31 Jul 2023 |
000-01678 |
| SC 13G/A |
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01 Aug 2023 |
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06 Jan 2023 |
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06 Jan 2023 |
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04 Jan 2022 |
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04 Jan 2022 |
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04 Jan 2022 |
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04 Jan 2022 |
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03 Jan 2022 |
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| 4 |
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PRIMARY DOCUMENT |
06 Aug 2021 |
05 Aug 2021 |
000-05278 |
| 4 |
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PRIMARY DOCUMENT |
03 Aug 2021 |
02 Aug 2021 |
000-05278 |
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15 Apr 2021 |
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| SC 13G/A |
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06 Jan 2021 |
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06 Jan 2021 |
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30 Sep 2020 |
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| SC 13G/A |
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24 Aug 2020 |
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17 Aug 2020 |
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04 Aug 2020 |
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PRIMARY DOCUMENT |
03 Aug 2020 |
31 Jul 2020 |
001-38490 |
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20 May 2020 |
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| 4 |
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PRIMARY DOCUMENT |
20 May 2020 |
19 May 2020 |
000-27793 |
| SC 13G/A |
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07 Jan 2020 |
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03 Jan 2020 |
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03 Jan 2020 |
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03 Jan 2020 |
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03 Jan 2020 |
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02 Jan 2020 |
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29 Oct 2019 |
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23 Oct 2019 |
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15 Oct 2019 |
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04 Sep 2019 |
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PRIMARY DOCUMENT |
16 Aug 2019 |
16 Aug 2019 |
001-38490 |
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15 Aug 2019 |
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15 Aug 2019 |
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PRIMARY DOCUMENT |
12 Aug 2019 |
12 Aug 2019 |
001-38490 |
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08 Aug 2019 |
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07 Aug 2019 |
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02 Aug 2019 |
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PRIMARY DOCUMENT |
01 Aug 2019 |
01 Aug 2019 |
001-38490 |
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PRIMARY DOCUMENT |
24 Jul 2019 |
24 Jul 2019 |
001-38490 |
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OWNERSHIP DOCUMENT |
24 May 2019 |
24 May 2019 |
000-05278 |
| 4 |
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OWNERSHIP DOCUMENT |
22 May 2019 |
22 May 2019 |
001-38490 |
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OWNERSHIP DOCUMENT |
21 May 2019 |
21 May 2019 |
001-38490 |
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OWNERSHIP DOCUMENT |
20 May 2019 |
20 May 2019 |
001-38490 |
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OWNERSHIP DOCUMENT |
17 May 2019 |
17 May 2019 |
001-38490 |
| 4 |
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OWNERSHIP DOCUMENT |
14 May 2019 |
14 May 2019 |
001-38490 |
| SC 13D/A |
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26 Apr 2019 |
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| SC 13G/A |
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04 Apr 2019 |
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| 4 |
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01 Feb 2019 |
31 Jan 2019 |
000-05278 |
| 3 |
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07 Jan 2019 |
26 Dec 2018 |
001-38490 |
| SC 13G/A |
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07 Jan 2019 |
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| SC 13G/A |
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07 Jan 2019 |
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07 Jan 2019 |
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07 Jan 2019 |
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| 4 |
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07 Jan 2019 |
04 Jan 2019 |
000-05278 |
| SC 13G/A |
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07 Jan 2019 |
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| SC 13G/A |
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07 Jan 2019 |
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| SC 13D/A |
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04 Jan 2019 |
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| SC 13G/A |
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03 Jan 2019 |
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| 4 |
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29 Nov 2018 |
28 Nov 2018 |
000-05278 |
| DFAN14A |
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01 Nov 2018 |
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| DEFC14A |
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01 Nov 2018 |
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30 Oct 2018 |
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| PRRN14A |
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30 Oct 2018 |
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| PREC14A |
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17 Oct 2018 |
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10 Oct 2018 |
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10 Oct 2018 |
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| SC 13G/A |
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09 Oct 2018 |
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28 Sep 2018 |
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| SC 13G |
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27 Sep 2018 |
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| SC 13D/A |
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19 Sep 2018 |
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23 Aug 2018 |
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| 4 |
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OWNERSHIP DOCUMENT |
23 Aug 2018 |
21 Aug 2018 |
000-08656 |
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OWNERSHIP DOCUMENT |
20 Aug 2018 |
20 Aug 2018 |
000-05278 |
| 3 |
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OWNERSHIP DOCUMENT |
09 Aug 2018 |
08 Aug 2018 |
000-27793 |
| SC 13G/A |
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09 Aug 2018 |
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| SC 13D |
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26 Jul 2018 |
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| 3 |
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OWNERSHIP DOCUMENT |
25 Jul 2018 |
23 Jul 2018 |
000-08656 |
| SC 13D/A |
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11 Jun 2018 |
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PRIMARY DOCUMENT |
26 Apr 2018 |
26 Apr 2018 |
000-05278 |
| 4 |
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OWNERSHIP DOCUMENT |
18 Apr 2018 |
18 Apr 2018 |
000-05278 |
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08 Mar 2018 |
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| SC 13D |
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22 Jan 2018 |
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| SC 13G/A |
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03 Jan 2018 |
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03 Jan 2018 |
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03 Jan 2018 |
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03 Jan 2018 |
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03 Jan 2018 |
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03 Jan 2018 |
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PRIMARY DOCUMENT |
04 Dec 2017 |
04 Dec 2017 |
000-05278 |
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PRIMARY DOCUMENT |
04 Dec 2017 |
01 Dec 2017 |
000-05278 |
| SC 13G |
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30 Nov 2017 |
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12 Sep 2017 |
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| SC 13D/A |
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15 Jun 2017 |
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12 Jun 2017 |
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| SC 13D |
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18 May 2017 |
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| 4 |
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PRIMARY DOCUMENT |
24 Jan 2017 |
23 Jan 2017 |
000-05278 |
| SC 13G/A |
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13 Jan 2017 |
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13 Jan 2017 |
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13 Jan 2017 |
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13 Jan 2017 |
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13 Jan 2017 |
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PRIMARY DOCUMENT |
17 Nov 2016 |
16 Nov 2016 |
000-05278 |
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PRIMARY DOCUMENT |
14 Nov 2016 |
10 Nov 2016 |
000-05278 |
| 3 |
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PRIMARY DOCUMENT |
14 Nov 2016 |
10 Nov 2016 |
000-05278 |
| SC 13G/A |
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14 Nov 2016 |
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31 Oct 2016 |
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27 Oct 2016 |
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14 Sep 2016 |
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15 Jan 2016 |
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15 Jan 2016 |
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15 Jan 2016 |
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15 Jan 2016 |
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15 Jan 2016 |
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15 Jan 2016 |
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24 Aug 2015 |
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06 Jan 2015 |
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06 Jan 2015 |
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06 Jan 2015 |
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06 Jan 2015 |
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05 Jan 2015 |
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ZEFF CAPITAL |
19 Aug 2014 |
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14 Jul 2014 |
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24 Mar 2014 |
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28 Jan 2014 |
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28 Jan 2014 |
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15 Jan 2013 |
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15 Jan 2013 |
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ZEFF CAPITAL, LP / ENVIROSTAR, INC. |
04 Oct 2012 |
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