Michael Kauffman reports

Company location: Newton, MA

Michael Kauffman has filed 142 SEC EDGAR filings since 05 Jun 2006

SEC filing history

Showing 1-25 of 134 matching filings.

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25

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1

4 File 001-36740

4 filing

Filing date: 17 Jun 2026
Reporting date: 12 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38542

4 filing

Filing date: 11 May 2026
Reporting date: 11 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35403

OWNERSHIP DOCUMENT

Filing date: 08 Jan 2026
Reporting date: 06 Jan 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35403

OWNERSHIP DOCUMENT

Filing date: 25 Nov 2025
Reporting date: 21 Nov 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 21 Nov 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38542

4 filing

Filing date: 23 Jun 2025
Reporting date: 18 Jun 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36740

4 filing

Filing date: 06 Jun 2025
Reporting date: 04 Jun 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-36740

3 filing

Filing date: 06 Jun 2025
Reporting date: 04 Jun 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35403

OWNERSHIP DOCUMENT

Filing date: 27 May 2025
Reporting date: 22 May 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38359

4

Filing date: 23 Aug 2024
Reporting date: 21 Aug 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38542

4 filing

Filing date: 21 Jun 2024
Reporting date: 20 Jun 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35403

OWNERSHIP DOCUMENT

Filing date: 20 Jun 2024
Reporting date: 18 Jun 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38359

4

Filing date: 07 Jun 2024
Reporting date: 05 Jun 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 05 Jun 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35403

OWNERSHIP DOCUMENT

Filing date: 13 Mar 2024
Reporting date: 11 Mar 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38359

FORM 4 SUBMISSION

Filing date: 16 Aug 2023
Reporting date: 14 Aug 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38542

FORM 4 SUBMISSION

Filing date: 26 Jul 2023
Reporting date: 24 Jul 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38542

FORM 4 SUBMISSION

Filing date: 16 Jun 2023
Reporting date: 15 Jun 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38359

FORM 4 SUBMISSION

Filing date: 02 Jun 2023
Reporting date: 01 Jun 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35403

OWNERSHIP DOCUMENT

Filing date: 16 May 2023
Reporting date: 15 May 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 001-35403

OWNERSHIP DOCUMENT

Filing date: 20 Dec 2022
Reporting date: 12 May 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35403

OWNERSHIP DOCUMENT

Filing date: 24 Jun 2022
Reporting date: 22 Jun 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38542

FORM 4 SUBMISSION

Filing date: 17 Jun 2022
Reporting date: 16 Jun 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38359

FORM 4 SUBMISSION

Filing date: 03 Jun 2022
Reporting date: 02 Jun 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36167

FORM 4 SUBMISSION

Filing date: 02 Mar 2022
Reporting date: 28 Feb 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

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