John C. Plant reports

Company location: Pittsburgh, PA

John C. Plant has filed 161 SEC EDGAR filings since 02 Feb 2004

SEC filing history

Showing 1-25 of 108 matching filings.

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1

4 File 001-05794

4 filing

Filing date: 12 May 2026
Reporting date: 08 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14063

4 filing

Filing date: 29 Apr 2026
Reporting date: 23 Apr 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-03610

OWNERSHIP DOCUMENT

Filing date: 18 Feb 2026
Reporting date: 17 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-03610

OWNERSHIP DOCUMENT

Filing date: 02 Jul 2025
Reporting date: 01 Jul 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-05794

4 filing

Filing date: 13 May 2025
Reporting date: 09 May 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-03610

OWNERSHIP DOCUMENT

Filing date: 12 May 2025
Reporting date: 12 May 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 12 May 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-03610

OWNERSHIP DOCUMENT

Filing date: 20 Feb 2025
Reporting date: 18 Feb 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14063

4 filing

Filing date: 27 Jan 2025
Reporting date: 23 Jan 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 24 Jan 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-05794

4 filing

Filing date: 14 May 2024
Reporting date: 10 May 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-03610

OWNERSHIP DOCUMENT

Filing date: 20 Feb 2024
Reporting date: 15 Feb 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-03610

OWNERSHIP DOCUMENT

Filing date: 03 Jan 2024
Reporting date: 01 Jan 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

5 File 001-03610

OWNERSHIP DOCUMENT

Filing date: 12 Dec 2023
Reporting date: 31 Dec 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-03610

OWNERSHIP DOCUMENT

Filing date: 22 Nov 2023
Reporting date: 21 Nov 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14063

4 filing

Filing date: 23 Oct 2023
Reporting date: 19 Oct 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-05794

4 filing

Filing date: 12 May 2023
Reporting date: 11 May 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-03610

OWNERSHIP DOCUMENT

Filing date: 03 Apr 2023
Reporting date: 31 Mar 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14063

4 filing

Filing date: 24 Oct 2022
Reporting date: 20 Oct 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-05794

4 filing

Filing date: 16 May 2022
Reporting date: 12 May 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-03610

OWNERSHIP DOCUMENT

Filing date: 04 Apr 2022
Reporting date: 31 Mar 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14063

4 filing

Filing date: 25 Oct 2021
Reporting date: 21 Oct 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-03610

OWNERSHIP DOCUMENT

Filing date: 18 Oct 2021
Reporting date: 14 Oct 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-03610

OWNERSHIP DOCUMENT

Filing date: 11 Jun 2021
Reporting date: 09 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-05794

4 filing

Filing date: 14 May 2021
Reporting date: 12 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

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