Kenneth Fletcher Olson

Business address
C/O Harvard Bioscience, Inc., 84 October Hill Road #10, Holliston, MA, 01746
Top holdings (ownership)
HBIO
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Kenneth Fletcher Olson has filed 9 SEC EDGAR filings since 06 Nov 2019

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing OWNERSHIP DOCUMENT 30 Dec 2021 29 Dec 2021 001-33957
4 Open Document Open Filing OWNERSHIP DOCUMENT 03 Nov 2021 01 Nov 2021 001-33957
4 Open Document Open Filing OWNERSHIP DOCUMENT 15 Jun 2021 11 Jun 2021 001-33957
4 Open Document Open Filing OWNERSHIP DOCUMENT 03 Mar 2021 01 Mar 2021 001-33957
4 Open Document Open Filing OWNERSHIP DOCUMENT 05 Jan 2021 31 Dec 2020 001-33957
4 Open Document Open Filing FORM 4 SUBMISSION 03 Nov 2020 01 Nov 2020 001-33957
4 Open Document Open Filing FORM 4 SUBMISSION 15 Jun 2020 11 Jun 2020 001-33957
4 Open Document Open Filing FORM 4 SUBMISSION 06 Nov 2019 01 Nov 2019 001-33957
3 Open Document Open Filing FORM 3 SUBMISSION 06 Nov 2019 01 Nov 2019 001-33957