Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Acton, MA
SEC filing record 1 source field available
Fiscal year end
31 December
PSYCHEMEDICS CORP has filed 877 SEC EDGAR filings since 11 Aug 1995

SEC filing history

Showing 1-25 of 56 matching filings.

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SC 13G/A File 005-39145

SC 13G/A

Filing date
06 Dec 2024
Reporting date
Not listed
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SC 13G/A File 005-39145

SC 13G/A filing

Filing date
13 Feb 2024
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SC 13G/A File 005-39145

SC 13G/A

Filing date
02 Feb 2024
Reporting date
Not listed
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SC 13G File 005-39145

SC 13G

Filing date
14 Dec 2023
Reporting date
Not listed
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SC 13G/A File 005-39145

FORM SC 13G/A

Filing date
14 Feb 2023
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Not listed
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SC 13G/A File 005-39145

SC 13G/A filing

Filing date
13 Feb 2023
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Not listed
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SC 13G/A File 005-39145

SC 13G/A

Filing date
14 Feb 2022
Reporting date
Not listed
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SC 13G/A File 005-39145

SC 13G/A filing

Filing date
14 Feb 2022
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Not listed
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SC 13G/A File 005-39145

SC 13G/A filing

Filing date
11 Feb 2022
Reporting date
Not listed
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SC 13G/A File 005-39145

AMENDED 13G FOR PSYCHEMEDICS CORPORATION

Filing date
16 Feb 2021
Reporting date
Not listed
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SC 13G/A File 005-39145

SC 13G/A filing

Filing date
12 Feb 2021
Reporting date
Not listed
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SC 13G/A File 005-39145

SC 13G/A filing

Filing date
11 Feb 2021
Reporting date
Not listed
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SC 13G File 005-39145

FORM SC 13G

Filing date
02 Feb 2021
Reporting date
Not listed
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SC 13G/A File 005-39145

TIETON CAPITAL MANAGEMENT 13G/A

Filing date
03 Mar 2020
Reporting date
Not listed
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SC 13G/A File 005-39145

SC 13G/A filing

Filing date
14 Feb 2020
Reporting date
Not listed
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SC 13G/A File 005-39145

AMENDED 13G FOR PSYCHEMEDICS CORPORATION

Filing date
14 Feb 2020
Reporting date
Not listed
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SC 13G/A File 005-39145

SC 13G/A filing

Filing date
13 Feb 2020
Reporting date
Not listed
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SC 13G/A File 005-39145

SCHEDULE 13G/A

Filing date
03 Feb 2020
Reporting date
Not listed
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SC 13G File 005-39145

TIETON CAPITAL MANAGEMENT 13G/A

Filing date
27 Jan 2020
Reporting date
Not listed
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SC 13G File 005-39145

SC 13G filing

Filing date
14 Feb 2019
Reporting date
Not listed
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SC 13G/A File 005-39145

SC 13G/A filing

Filing date
13 Feb 2019
Reporting date
Not listed
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SC 13G File 005-39145

SCHEDULE 13G HOLDINGS REPORT

Filing date
25 Jan 2019
Reporting date
Not listed
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SC 13G/A File 005-39145

SC 13G/A filing

Filing date
14 Feb 2018
Reporting date
Not listed
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SC 13G/A File 005-39145

TIETON CAPITAL MANAGEMENT 13G/A

Filing date
01 Jun 2017
Reporting date
Not listed
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SC 13G/A File 005-39145

13G/A

Filing date
14 Feb 2017
Reporting date
Not listed
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