4
File 001-36117
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
- Filing date
- 22 Jun 2026
- Reporting date
- 17 Jun 2026
- SEC evidence
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Karl E. Johnsen reports
- Company location
- Bedford, MA
Karl E. Johnsen has filed 54 SEC EDGAR filings since 17 Oct 2012
SEC filing history
Showing 1-25 of 54 matching filings.
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3
File 001-36117
INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES
- Filing date
- 22 Jun 2026
- Reporting date
- 17 Jun 2026
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4
File 001-34630
PRIMARY DOCUMENT
- Filing date
- 27 Jan 2021
- Reporting date
- 25 Jan 2021
- SEC evidence
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4
File 001-34630
PRIMARY DOCUMENT
- Filing date
- 05 Jan 2021
- Reporting date
- 31 Dec 2020
- SEC evidence
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4
File 001-34630
PRIMARY DOCUMENT
- Filing date
- 30 Dec 2020
- Reporting date
- 28 Dec 2020
- SEC evidence
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4
File 001-34630
PRIMARY DOCUMENT
- Filing date
- 28 Oct 2020
- Reporting date
- 26 Oct 2020
- SEC evidence
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4
File 001-34630
PRIMARY DOCUMENT
- Filing date
- 02 Oct 2020
- Reporting date
- 30 Sep 2020
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4
File 001-34630
PRIMARY DOCUMENT
- Filing date
- 26 Aug 2020
- Reporting date
- 24 Aug 2020
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4
File 001-34630
PRIMARY DOCUMENT
- Filing date
- 02 Jul 2020
- Reporting date
- 30 Jun 2020
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4
File 001-34630
PRIMARY DOCUMENT
- Filing date
- 21 May 2020
- Reporting date
- 20 May 2020
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4
File 001-34630
PRIMARY DOCUMENT
- Filing date
- 29 Apr 2020
- Reporting date
- 27 Apr 2020
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4
File 001-34630
PRIMARY DOCUMENT
- Filing date
- 02 Apr 2020
- Reporting date
- 31 Mar 2020
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4
File 001-34630
PRIMARY DOCUMENT
- Filing date
- 29 Jan 2020
- Reporting date
- 27 Jan 2020
- SEC evidence
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4
File 001-34630
PRIMARY DOCUMENT
- Filing date
- 03 Jan 2020
- Reporting date
- 31 Dec 2019
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4
File 001-34630
PRIMARY DOCUMENT
- Filing date
- 30 Oct 2019
- Reporting date
- 28 Oct 2019
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4
File 001-34630
PRIMARY DOCUMENT
- Filing date
- 02 Oct 2019
- Reporting date
- 30 Sep 2019
- SEC evidence
- Open document Open filing
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4
File 001-34630
PRIMARY DOCUMENT
- Filing date
- 05 Sep 2019
- Reporting date
- 03 Sep 2019
- SEC evidence
- Open document Open filing
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4
File 001-34630
PRIMARY DOCUMENT
- Filing date
- 14 Aug 2019
- Reporting date
- 12 Aug 2019
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4
File 001-34630
PRIMARY DOCUMENT
- Filing date
- 02 Jul 2019
- Reporting date
- 28 Jun 2019
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4
File 001-34630
PRIMARY DOCUMENT
- Filing date
- 01 May 2019
- Reporting date
- 29 Apr 2019
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4
File 001-34630
PRIMARY DOCUMENT
- Filing date
- 02 Apr 2019
- Reporting date
- 29 Mar 2019
- SEC evidence
- Open document Open filing
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4
File 001-34630
PRIMARY DOCUMENT
- Filing date
- 04 Feb 2019
- Reporting date
- 31 Jan 2019
- SEC evidence
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4
File 001-34630
PRIMARY DOCUMENT
- Filing date
- 03 Jan 2019
- Reporting date
- 31 Dec 2018
- SEC evidence
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4
File 001-34630
PRIMARY DOCUMENT
- Filing date
- 01 Nov 2018
- Reporting date
- 30 Oct 2018
- SEC evidence
- Open document Open filing
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4
File 001-34630
PRIMARY DOCUMENT
- Filing date
- 02 Oct 2018
- Reporting date
- 28 Sep 2018
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing