Company location
Ames, IA
Martin J. Vanderploeg has filed 84 SEC EDGAR filings since 13 Feb 1998

SEC filing history

Showing 1-25 of 79 matching filings.

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1
4 File 001-36773

FORM 4

Filing date
03 Jun 2026
Reporting date
01 Jun 2026
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4 File 001-36773

FORM 4

Filing date
03 Feb 2026
Reporting date
01 Feb 2026
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4 File 001-36773

FORM 4

Filing date
02 Jun 2025
Reporting date
29 May 2025
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4 File 001-36773

FORM 4

Filing date
17 Apr 2025
Reporting date
15 Apr 2025
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4 File 001-36773

FORM 4

Filing date
24 Feb 2025
Reporting date
20 Feb 2025
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4 File 001-36773

FORM 4

Filing date
04 Feb 2025
Reporting date
01 Feb 2025
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4 File 001-36773

FORM 4

Filing date
14 Jan 2025
Reporting date
10 Jan 2025
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4 File 001-36773

FORM 4

Filing date
13 Sep 2024
Reporting date
11 Sep 2024
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4 File 001-36773

FORM 4

Filing date
04 Sep 2024
Reporting date
01 Sep 2024
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4 File 001-36773

FORM 4

Filing date
19 Aug 2024
Reporting date
16 Aug 2024
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4 File 001-36773

FORM 4

Filing date
13 Aug 2024
Reporting date
09 Aug 2024
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4 File 001-36773

FORM 4

Filing date
03 Jun 2024
Reporting date
30 May 2024
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4 File 001-36773

FORM 4

Filing date
20 Feb 2024
Reporting date
15 Feb 2024
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4 File 001-36773

FORM 4

Filing date
05 Feb 2024
Reporting date
01 Feb 2024
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4 File 001-36773

FORM 4

Filing date
06 Sep 2023
Reporting date
01 Sep 2023
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4 File 001-36773

FORM 4

Filing date
01 Jun 2023
Reporting date
30 May 2023
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4 File 001-36773

FORM 4

Filing date
21 Feb 2023
Reporting date
17 Feb 2023
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4 File 001-36773

FORM 4

Filing date
07 Feb 2023
Reporting date
03 Feb 2023
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4 File 001-36773

FORM 4

Filing date
03 Feb 2023
Reporting date
01 Feb 2023
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4 File 001-36773

FORM 4

Filing date
06 Sep 2022
Reporting date
01 Sep 2022
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4 File 001-36773

FORM 4

Filing date
07 Feb 2022
Reporting date
03 Feb 2022
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4 File 001-36773

FORM 4

Filing date
03 Feb 2022
Reporting date
01 Feb 2022
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4 File 001-36773

FORM 4

Filing date
30 Dec 2021
Reporting date
29 Dec 2021
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SC 13G/A

SC 13G/A

Filing date
23 Nov 2021
Reporting date
Not listed
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4/A File 001-36773

FORM 4/A

Filing date
18 Nov 2021
Reporting date
16 Nov 2021
SEC evidence
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